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  • Gigabyte GA-Z77X-D3H MB problems

    - by Hans
    I installed a new system last week. I've some issues with it. The system consists of a: Gigabyte GA-Z77X-D3H with F9 BIOS (latest) Intel Core i5 3570K proccesor Sapphire Radeon HD7850 2x 8GB Corsair 1600MHz memory OCZ Vertex 2 120G SSD Connected peripherals : 2 Samsung 940BF (1 via DVI on GFX card, 1 via an Displayport to DVI adapter) 1 Dell U2312HM monitor (displayport) Dell USB Hub (monitor) Wired mouse, wireless keyboard (logitech) Logitch G25 wheel Canon MP800 printer Okay, my issues are the following: if I plug in 1 or more monitor at DisplayPort during boot, most of the time it won't boot properly. I get an empty message screen of UEFI: only the header GIGABYTE DUEL BIOS appears. The system reboots itself, turns on for a few seconds (no video) and then reboots again. Now it starts all over again. This repeats until I remove all displayport monitors. Windows boots, and I can use them when I replug them. The graphics card has been running fine for a few weeks on an older system (intel Q6600). Another issue is; if I plug in my G25 steering wheel, the UEFI BIOS is inaccessible. It either gives the same empty UEFI screen, or the BIOS screen is rendering but crashes half way (so pieces of text and graphics are missing, and it has crashed). If I remove the G25, all is fine. To verify the graphics card is OK and the motherboard is causing these issues, I tried an NVIDIA 8800GT graphics card. This hasn't got Displayport, but it also cannot boot the BIOS with the G25 wheel plugged in. The PC also refuses to go into or out of standby. It just hangs when going into standby, and in other occasions (when it does succesfully do so) get out of standby. Power supply is OCZ StealthXStream 600W. Proccesor is 25 - 30C idle, ~55C stressed (Scythe Mugen 2). I am really puzzled what can be done to resolve this. I am not really waiting for an RMA request (otherwise I will return the MB for another type), because it will likely mean I have to wait very long before I get a replacement. Anyone else with a similar experience on this board/chipset or can help me troubleshoot this?

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  • Nvidia Drivers on Debian / Lenny (Stable) -> Installation successful -> Monitors gets black

    - by David
    I have successfully installed the proprietary drivers for my nvidia (geforce 7300 gt) graphics card on debian/lenny. I know its not the best way to chose for driver installation ( see this link: http://wiki.debian.org/NvidiaGraphicsDrivers#non-freedrivers ). but the two ways seem to be possible for me (nvidia-kernel module compilation). Now the problem is that the monitors gets black, the power light starts blinking after i launch the x-server. Have a short look a the logs (output truncated from /var/log/Xorg.0.log): (II) Setting vga for screen 0. (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32 (==) NVIDIA(0): RGB weight 888 (==) NVIDIA(0): Default visual is TrueColor (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0) (**) Jul 28 17:10:11 NVIDIA(0): Enabling RENDER acceleration (II) Jul 28 17:10:11 NVIDIA(0): Support for GLX with the Damage and Composite X extensions is (II) Jul 28 17:10:11 NVIDIA(0): enabled. (II) Jul 28 17:10:11 NVIDIA(0): NVIDIA GPU GeForce 7300 GT (G73) at PCI:1:0:0 (GPU-0) (--) Jul 28 17:10:11 NVIDIA(0): Memory: 262144 kBytes (--) Jul 28 17:10:11 NVIDIA(0): VideoBIOS: 05.73.22.25.00 (II) Jul 28 17:10:11 NVIDIA(0): Detected PCI Express Link width: 16X (--) Jul 28 17:10:11 NVIDIA(0): Interlaced video modes are supported on this GPU (--) Jul 28 17:10:11 NVIDIA(0): Connected display device(s) on GeForce 7300 GT at PCI:1:0:0: (--) Jul 28 17:10:11 NVIDIA(0): Samsung SyncMaster (CRT-0) (--) Jul 28 17:10:11 NVIDIA(0): Samsung SyncMaster (DFP-0) (--) Jul 28 17:10:11 NVIDIA(0): Samsung SyncMaster (CRT-0): 400.0 MHz maximum pixel clock (--) Jul 28 17:10:11 NVIDIA(0): Samsung SyncMaster (DFP-0): 165.0 MHz maximum pixel clock (--) Jul 28 17:10:11 NVIDIA(0): Samsung SyncMaster (DFP-0): Internal Single Link TMDS (II) Jul 28 17:10:11 NVIDIA(0): Assigned Display Device: CRT-0 (==) Jul 28 17:10:11 NVIDIA(0): (==) Jul 28 17:10:11 NVIDIA(0): No modes were requested; the default mode "nvidia-auto-select" (==) Jul 28 17:10:11 NVIDIA(0): will be used as the requested mode. (==) Jul 28 17:10:11 NVIDIA(0): (II) Jul 28 17:10:11 NVIDIA(0): Validated modes: (II) Jul 28 17:10:11 NVIDIA(0): "nvidia-auto-select" (II) Jul 28 17:10:11 NVIDIA(0): Virtual screen size determined to be 1280 x 1024 (--) Jul 28 17:10:11 NVIDIA(0): DPI set to (85, 86); computed from "UseEdidDpi" X config (--) Jul 28 17:10:11 NVIDIA(0): option (==) Jul 28 17:10:11 NVIDIA(0): Enabling 32-bit ARGB GLX visuals. (--) Depth 24 pixmap format is 32 bpp Here is the complete /etc/X11/xorg.conf file as generated by nvidia-xconfig: # nvidia-xconfig: X configuration file generated by nvidia-xconfig # nvidia-xconfig: version 256.35 (buildmeister@builder101) Wed Jun 16 19:25:59 PDT 2010 Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" EndSection Section "Files" EndSection Section "Module" Load "dbe" Load "extmod" Load "type1" Load "freetype" Load "glx" EndSection Section "InputDevice" # generated from default Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/psaux" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" # generated from default Identifier "Keyboard0" Driver "kbd" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Unknown" ModelName "Unknown" Hor

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  • routing through multiple subinterfaces in debian

    - by Kstro21
    my question is as simple as the title, i have a debian 6 , 2 NICs, 3 different subnets in a single interface, just like this: auto eth0 iface eth0 inet static address 192.168.106.254 netmask 255.255.255.0 auto eth0:0 iface eth0:0 inet static address 172.19.221.81 netmask 255.255.255.248 auto eth0:1 iface eth0:1 inet static address 192.168.254.1 netmask 255.255.255.248 auto eth1 iface eth1 inet static address 172.19.216.3 netmask 255.255.255.0 gateway 172.19.216.13 eth0 is conected to a swith with 3 differents vlans, eth1 is conected to a router. No iptables DROP, so, all traffic is allowed. Now, passing the traffic through eth0 is OK, passing the traffic through eth0:0 is OK, but, passing the traffic through eth0:1 is not working, i can ping the ip address of that sub interface from a pc where this ip is the default gateway, but can't get to servers in the subnet of the eth1 interface, the traffic is not passing, even when i set the iptables to log all the traffic in the FORWARD chain and i can see the traffic there, but, the traffic is not really passing. And the funny is i can do any the other way around, i mean, passing from eth1 to eth0:1, RDP, telnet, ping, etc, doing some work with the iptable, i manage to pass some traffic from eth0:1 to eth1, the iptables look like this: iptables -t nat PREROUTING -d 192.168.254.1/32 -p tcp -m multiport --dports 25,110,5269 -j DNAT --to-destination 172.19.216.1 iptables -t nat PREROUTING -d 192.168.254.1/32 -p udp -m udp --dport 53 -j DNAT --to-destination 172.19.216.9 iptables -t nat PREROUTING -d 192.168.254.1/32 -p tcp -m tcp --dport 21 -j DNAT --to-destination 172.19.216.11 iptables -t nat POSTROUTING -s 172.19.216.0/24 -d 172.19.221.80/29 -j SNAT --to-source 172.19.221.81 iptables -t nat POSTROUTING -s 172.19.216.0/24 -d 192.168.254.0/29 -j SNAT --to-source 192.168.254.1 iptables -t nat POSTROUTING -s 172.19.216.0/24 -o eth0 -j SNAT --to-source 192.168.106.254 dong this is working, but,it is really a headache have to map each port with the server, imagine if i move the service from server, so, now i have doubts: can debian route through multiple subinterfaces?? exist a limit for this?? if not, what i'm doing wrong when i have the same setup with other subnets and it is working ok?? without the iptables rules in the nat, it doesn't work thanks and i hope good comments/answers

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  • How to poll the username, when having the UID?

    - by JMW
    we're using ldap with sssd for the usermanagement, so our users are not in the "/etc/passwd" Unfortunately, ps just shows the UIDs: [root@xyz ~]# id jmw uid=1582(jmw) gid=1582(jmw) groups=1582(jmw), 1000(admins) [root@xyz ~]# ps aux [..cutting some output..] 1582 26794 25.0 0.4 190420 38508 ? S 12:15 0:00 /usr/bin/php-cgi -c php.ini [..cutting some output..] How can i poll the username, that belongs to a UID? ( a grep ':1582:' /etc/passwd doesn't work ;-) )

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  • many unknow process name as "sudo"

    - by joaner
    my server free memoney is less and less, And many process COMMAND are"sudo" when use top and enter M. I don't understand root user need to use "sudo". I want to know the way these processes are generated ? Can I kill ? Tasks: 185 total, 1 running, 184 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 3967848k total, 3484196k used, 483652k free, 218532k buffers Swap: 4112376k total, 0k used, 4112376k free, 2932864k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 22219 mysql 20 0 582m 67m 5492 S 0.0 1.7 0:01.75 mysqld 22337 daemon 20 0 327m 31m 3440 S 0.0 0.8 0:01.58 httpd 22252 daemon 20 0 321m 26m 3416 S 0.0 0.7 0:01.25 httpd 22263 daemon 20 0 319m 23m 3396 S 0.0 0.6 0:00.71 httpd 22253 daemon 20 0 310m 18m 3444 S 0.0 0.5 0:00.69 httpd 22251 root 20 0 28392 12m 3640 S 0.0 0.3 0:00.09 httpd 2422 root 20 0 9192 3608 2184 S 0.0 0.1 0:00.32 ssh 13613 root 20 0 38220 3572 1044 S 0.0 0.1 0:22.31 rsyslogd 2423 root 20 0 11556 3420 2692 S 0.0 0.1 0:00.11 sshd 22570 root 20 0 11716 3408 2676 S 0.0 0.1 0:00.08 sshd 3351 root 20 0 10384 2540 2000 S 0.0 0.1 0:00.06 sudo 30870 root 20 0 10384 2528 2000 S 0.0 0.1 0:00.06 sudo 14356 dkim-mil 20 0 49664 2444 1468 S 0.0 0.1 0:03.91 dkim-filter 2085 root 20 0 10376 2344 1824 S 0.0 0.1 0:00.00 sudo 7741 root 20 0 10376 2344 1824 S 0.0 0.1 0:00.00 sudo 29838 root 20 0 10376 2344 1824 S 0.0 0.1 0:00.00 sudo 2006 root 20 0 10376 2340 1824 S 0.0 0.1 0:00.00 sudo 29747 root 20 0 10376 2340 1824 S 0.0 0.1 0:00.00 sudo 30602 root 20 0 10376 2340 1824 S 0.0 0.1 0:00.00 sudo 30935 root 20 0 10376 2340 1824 S 0.0 0.1 0:00.00 sudo 2259 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 2503 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 2515 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 7718 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 7745 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 29845 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 30172 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 30352 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 30548 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 30598 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 30897 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo 30899 root 20 0 10376 2336 1824 S 0.0 0.1 0:00.00 sudo

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  • VIM "upgraded" to expandtab and tabstop=8 on Python files

    - by dotancohen
    After reinstalling my OS from Kubuntu 12.10 to Kubuntu 14.04, VIM has changed its behaviour when editing Python files. Though before the reinstall all file types had noexpandtab and tabstop=4 set, now in Python those values are expandtab and tabstop=8, checked also via VIM behaviour and also via asking VIM set foo?. Non-Python files retain the noexpandtab and tabstop=4 behaviour that I prefer. The .vim direcotry and .vimrc were not touched during the reinstall. It can be seen that no files in .vimrc have been touched in months (with the exception of the irrelevant .netrwhist): - bruno():~$ ls -lat ~/.vim total 68 drwxr-xr-x 85 dotancohen dotancohen 12288 Aug 25 13:00 .. drwxr-xr-x 12 dotancohen dotancohen 4096 Aug 21 11:11 . -rw-r--r-- 1 dotancohen dotancohen 268 Aug 21 11:11 .netrwhist drwxr-xr-x 2 dotancohen dotancohen 4096 Mar 6 18:31 plugin drwxr-xr-x 2 dotancohen dotancohen 4096 Mar 6 18:31 doc drwxrwxr-x 2 dotancohen dotancohen 4096 Nov 29 2013 syntax drwxrwxr-x 2 dotancohen dotancohen 4096 Nov 29 2013 ftplugin drwxr-xr-x 4 dotancohen dotancohen 4096 Nov 29 2013 autoload drwxrwxr-x 5 dotancohen dotancohen 4096 May 27 2013 after drwxr-xr-x 2 dotancohen dotancohen 4096 Nov 1 2012 spell -rw------- 1 dotancohen dotancohen 138 Aug 14 2012 .directory -rw-rw-r-- 1 dotancohen dotancohen 190 Jul 3 2012 .VimballRecord drwxrwxr-x 2 dotancohen dotancohen 4096 May 12 2012 colors drwxrwxr-x 2 dotancohen dotancohen 4096 Mar 16 2012 mytags drwxrwxr-x 2 dotancohen dotancohen 4096 Feb 14 2012 keymap Though .vimrc has been touched since the reinstall, it was only me testing to see where the problem is. How can I tell what is settingexpandtab and tabstop? Side note: I'm not even sure what I should read in the built-in help for this issue. I started with ":h plugin" but that did not help other than showing me that the following plugins are loaded (possibly relevant): standard-plugin-list Standard plugins pi_getscript.txt Downloading latest version of Vim scripts pi_gzip.txt Reading and writing compressed files pi_netrw.txt Reading and writing files over a network pi_paren.txt Highlight matching parens pi_tar.txt Tar file explorer pi_vimball.txt Create a self-installing Vim script pi_zip.txt Zip archive explorer LOCAL ADDITIONS: local-additions DynamicSigns.txt - Using Signs for different things NrrwRgn.txt A Narrow Region Plugin (similar to Emacs) fugitive.txt A Git wrapper so awesome, it should be illegal indent-object.txt Text objects based on indent levels. taglist.txt Plugin for browsing source code vimwiki.txt A Personal Wiki for Vim

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  • Excel data range - to sum series within date range

    - by Mark
    I have a set of data that I would like to manipulate but my problem is not straight forward. In this data I have date ranges that include multiple entries of the same date on some days and not on others. What I need to accomplish is to manage a trading account so that no more than 1% of the account is put at risk on any given day (retrospectively). To do this, when a series of trades falls on the same day, I need to total the risk associated with each of those trades so that I can limit the total risk of the combined trades by limiting the position size I take in each. Here is a sample set of the data I am working with. As you can see, there are 5 trades on Jan 3. Each of these trades comes with a risk value. I need to add the risk values of these 5 trades so that I can compare it to an account value and then determine if I should take more than 1 position in each trade. As you can see there are different numbers of trades that occur on the 4th, 5th 6th and 9th. I need the values returned in each row so that I can further manipulate them in the spreadsheet. I am not new to Excel, but cannot come up with a solution here - your input is much appreciated. Forgive the presentation below - I cannot upload a pic (new user) and the format does not carry across from excel. I have aligned the first several lines manually. Thx. Date ............. Pair ....... L/S ...... Initial Risk .......Win ......Loss ....BE. ....Avg Gain Avg Loss pips/swing 1/3/2012 ....EUR/USD ....S .............15 ................1 ..................................10 ..........................15. .. 1/3/2012 ....USD/CHF .....L ............15 ..........................................1 ..........0 1/3/2012 ....AUD/USD ....S .............15 ................1 .................................16 ...........................18 1/3/2012 ....NZD/USD ....S .............15 ................1 ...................................7 .............................8 1/3/2012 ....AUD/JPY .... S .............10 ................1 .................................25 ............................20 1/4/2012 ....EUR/USD ....L .............20 ................1 .................................19 ...........................19 1/4/2012 ....USD/CHF ....S ............ 15 ................1 .................................17 ...........................20 1/4/2012 EUR/JPY L 20 1 0 1/5/2012 EUR/USD L 15 1 10 20 1/5/2012 GBP/USD L 20 1 15 20 1/5/2012 USD/CHF S 15 1 0 1/5/2012 USD/JPY S 10 1 7 10 1/5/2012 USD/CAD S 15 1 28 36 1/5/2012 AUD/USD L 15 1 20 20 1/6/2012 USD/CAD S 15 1 5 -10 1/6/2012 EUR/JPY L 15 1 7 7 1/9/2012 AUD/USD S 15 1 22 30 1/9/2012 NZD/USD S 15 1 10 15

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  • SSH Connection Refused - Debug using Recovery Console

    - by olrehm
    Hey everyone, I have found a ton of questions answered about debugging why one cannot connect via SSH, but they all seem to require that you can still access the system - or say that without that nothing can be done. In my case, I cannot access the system directly, but I do have access to the filesystem using a recovery console. So this is the situation: My provider made some kernel update today and in the process also rebooted my server. For some reason, I cannot connect via SSH anymore, but instead get a ssh: connect to host mydomain.de port 22: Connection refused I do not know whether sshd is just not running, or whether something (e.g. iptables) blocks my ssh connection attempts. I looked at the logfiles, none of the files in /var/log contain any mentioning on ssh, and /var/log/auth.log is empty. Before the kernel update, I could log in just fine and used certificates so that I would not need a password everytime I connect from my local machine. What I tried so far: I looked in /etc/rc*.d/ for a link to the /etc/init.d/ssh script and found none. So I am expecting that sshd is not started properly on boot. Since I cannot run any programs in my system, I cannot use update-rc to change this. I tried to make a link manually using ln -s /etc/init.d/ssh /etc/rc6.d/K09sshd and restarted the server - this did not fix the problem. I do not know wether it is at all possible to do it like this and whether it is correct to create it in rc6.d and whether the K09 is correct. I just copied that from apache. I also tried to change my /etc/iptables.rules file to allow everything: # Generated by iptables-save v1.4.0 on Thu Dec 10 18:05:32 2009 *mangle :PREROUTING ACCEPT [7468813:1758703692] :INPUT ACCEPT [7468810:1758703548] :FORWARD ACCEPT [3:144] :OUTPUT ACCEPT [7935930:3682829426] :POSTROUTING ACCEPT [7935933:3682829570] COMMIT # Completed on Thu Dec 10 18:05:32 2009 # Generated by iptables-save v1.4.0 on Thu Dec 10 18:05:32 2009 *filter :INPUT ACCEPT [7339662:1665166559] :FORWARD ACCEPT [3:144] :OUTPUT ACCEPT [7935930:3682829426] -A INPUT -i lo -j ACCEPT -A INPUT -p tcp -m tcp --dport 25 -j ACCEPT -A INPUT -p tcp -m tcp --dport 993 -j ACCEPT -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT -p tcp -m tcp --dport 143 -j ACCEPT -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT -A INPUT -p tcp --dport 8080 -s localhost -j ACCEPT -A INPUT -m limit --limit 5/min -j LOG --log-prefix "iptables denied: " --log-level 7 -A INPUT -j ACCEPT -A FORWARD -j ACCEPT -A OUTPUT -j ACCEPT COMMIT # Completed on Thu Dec 10 18:05:32 2009 # Generated by iptables-save v1.4.0 on Thu Dec 10 18:05:32 2009 *nat :PREROUTING ACCEPT [101662:5379853] :POSTROUTING ACCEPT [393275:25394346] :OUTPUT ACCEPT [393273:25394250] COMMIT # Completed on Thu Dec 10 18:05:32 2009 I am not sure this is done correctly or has any effect at all. I also did not find any mentioning of iptables in any file in /var/log. So what else can I do? Thank you for your help.

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  • can't send with postfix but I can whith one user

    - by CvR_XX
    I have a postfix and dovecot server but when i try to send an email i get an time -out. Im trying to send with the email [email protected]. A telnet session isn't helping much ether. I get a blank screen. Local it's working fine. My smtp service is running on treadity.com:25. The strange thing is that the logs are completely empty with any info regarding sending emails. Receiving is working alright. Another strange thing is that i've send some message's and that it worked. But that is only with one email. I can still send from that account but other emails are failing any idea's? config file: # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters #smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem #smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key #smtpd_use_tls=yes #smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache #smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_tls_cert_file=/etc/ssl/certs/dovecot.pem smtpd_tls_key_file=/etc/ssl/private/dovecot.pem smtpd_use_tls=yes # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters #smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem #smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key #smtpd_use_tls=yes #smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache #smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_tls_cert_file=/etc/ssl/certs/dovecot.pem smtpd_tls_key_file=/etc/ssl/private/dovecot.pem smtpd_use_tls=yes # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters #smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem #smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key #smtpd_use_tls=yes #smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache #smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_tls_cert_file=/etc/ssl/certs/dovecot.pem smtpd_tls_key_file=/etc/ssl/private/dovecot.pem smtpd_use_tls=yes smtpd_tls_auth_only = yes #Enabling SMTP for authenticated users, and handing off authentication to Dovecot smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes 1,1 Top

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  • I can't connect to mysql on a remote server

    - by eisaacson
    I'm trying to connect from an Ubuntu server to a RHEL6 server using mysql. I've tried telneting into the server as well as trying to connect with mysql. I've tried commenting out the bind-address but didn't have any success with that either. I don't get an error code or anything with telnet. It just fails after a minute or so. With mysql, I get this error code ERROR 2003 (HY000): Can't connect to MySQL server on 'SERVER_IP' (111). "SERVER_IP" is of course a placeholder where actual error gives that actual IP. I've included my my.cnf as well as well as my iptables from the destination server. On Destination Server... my.cnf: [mysqld] bind-address=0.0.0.0 tmp_table_size=512M max_heap_table_size=512M sort_buffer_size=32M read_buffer_size=128K read_rnd_buffer_size=256K table_cache=2048 key_buffer_size=512M thread_cache_size=50 query_cache_type=1 query_cache_size=256M query_cache_limit=24M #query_alloc_block_size=128 #query_cache_min_res_unit=128 innodb_log_buffer_size=16M innodb_flush_log_at_trx_commit=2 innodb_file_per_table innodb_log_files_in_group=2 innodb_buffer_pool_size=32G innodb_log_file_size=512M innodb_additional_mem_pool_size=20M join_buffer_size=128K max_allowed_packet=100M max_connections=256 wait_timeout=28800 interactive_timeout=3600 # modify isolation method for faster inserting. # Do not uncomment the line below unless you understand what this does. # transaction-isolation = READ-COMMITTED # do not reverse lookup clients skip-name-resolve #long_query_time=6 #log_slow_queries=/var/log/mysqld-slow.log #log_queries_not_using_indexes=On #log_slow_admin_statements=On datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 #Added by Magento ECG long_query_time=1 slow_query_log [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid iptables: :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 225 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp -i eth1 --dport 11211 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT sudo netstat -ntpl Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:11211 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:2123 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:1581 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN - tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN - tcp 0 0 :::11211 :::* LISTEN - tcp 0 0 :::22 :::* LISTEN - tcp 0 0 :::225 :::* LISTEN -

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  • What would cause my SendMail server not to acknowledge receiving a TCP Sequence?

    - by Mike B
    My TCP/IP Stack knowledge is a little rusty so please bear with me.... I have a CentOS 5.7 server with SendMail and am having seeing intermittent timeout issues sending email (particularly larger email) to other remote domains. It doesn't happen with all attachments or recipient domains. Just some. After some extended troubleshooting, I think I've narrowed it down to TCP Sequences not being acknowledged. Here's a breakdown of the TCP session from a packet capture I collected directly on my MTA (fooMTA): Packet 1 - 11: Standard TCP handshake followed by initial SMTP conversation. No errors. Packet #12 Recipient MTA: TCP sequence 231. Ack 91. Packet #13 FooMTA: TCP sequence 91. Ack 305. Packet #14 FooMTA: TCP sequence 1115. Ack 305. Packet #15 Recipient MTA: TCP sequence 305. Ack 2495. Packet #16 FooMTA: TCP sequence 2495. Ack 305. Packet #17 FooMTA: TCP sequence 5255. Ack 305. Packet #18: Recipient MTA: TCP sequence 305. Ack 5255. Packet #19: FooMTA: TCP sequence 6635. Ack 305. Packet #20: FooMTA: TCP sequence 8015. Ack 305. Packet #21: Recipient MTA: TCP Sequence 305. Ack 8015. Packet #22: FooMTA: TCP Sequence 10775. Ack 305. Packet #23: FooMTA: TCP Sequence 13535. Ack 305. Packet #24: Recipient MTA: TCP sequence 305. Ack 10775 Packet #25: FooMTA: TCP Sequence 14915. Ack 305 It keeps going like this with my server still thinking it hasn’t received sequence 305… in response the remote side eventually retransmits its prior data thinking that it never arrived. Eventually the gap gets so large that no new data is sent and the remote MTA keeps retransmitting old stuff. This contributes to an exponential backoff and eventually the remote side gives up. What’s strange to me is that I see the “missing” TCP sequence (305 in this case) arriving back to my server (via a packet capture collected directly from fooMTA) So I don’t get why my server keeps asking for it. Could this be firewall related? What would be the next step in troubleshooting?

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  • Linux clock loses 10 minutes every week

    - by PaKempf
    One of my linux server's clock loses 10 minutes every now and then, nearly every week. I update the time so it stays correct, and although it doesn't really bother me, i'd like to fix it. I've been searching around a bit. Nothing can be responsible in the crontab, and i can't find any related message in the logs. Some people seem to use ntp to fix that kind of issue, but i'd prefer not to use an unecessary component on it. Uname result : Linux unis-monitor 2.6.32-5-686 #1 SMP Mon Feb 25 01:04:36 UTC 2013 i686 GNU/Linux Cat message : cat messages Jul 14 06:25:06 unis-monitor rsyslogd: [origin software="rsyslogd" swVersion="4.6.4" x-pid="882" x-info="http://www.rsyslog.com"] rsyslogd was HUPed, type 'lightweight'. Jul 15 06:25:05 unis-monitor rsyslogd: [origin software="rsyslogd" swVersion="4.6.4" x-pid="882" x-info="http://www.rsyslog.com"] rsyslogd was HUPed, type 'lightweight'. Cat syslog cat syslog Jul 15 06:25:05 unis-monitor rsyslogd: [origin software="rsyslogd" swVersion="4.6.4" x-pid="882" x-info="http://www.rsyslog.com"] rsyslogd was HUPed, type 'lightweight'. Jul 15 06:39:01 unis-monitor /USR/SBIN/CRON[15272]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 07:09:01 unis-monitor /USR/SBIN/CRON[15465]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 07:17:01 unis-monitor /USR/SBIN/CRON[15521]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Jul 15 07:39:01 unis-monitor /USR/SBIN/CRON[15662]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 08:09:01 unis-monitor /USR/SBIN/CRON[15855]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 08:17:01 unis-monitor /USR/SBIN/CRON[15911]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Jul 15 08:39:01 unis-monitor /USR/SBIN/CRON[16052]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 09:09:01 unis-monitor /USR/SBIN/CRON[16273]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) So if you have any clue of where to look or what i could use to monitor those date change ? Here is some more infos : the server is a virtual server hosted on HyperV on a win 2012 server. Don't know if it changes anything, seen the other servers hosted don't have this issue...

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  • Apache's htcacheclean doesn't scale: How to tame a huge Apache disk_cache?

    - by flight
    We have an Apache setup with a huge disk_cache (500.000 entries, 50 GB disk space used). The cache grows by 16 GB every day. My problem is that the cache seems to be growing nearly as fast as it's possible to remove files and directories from the cache filesystem! The cache partition is an ext3 filesystem (100GB, "-t news") on an iSCSI storage. The Apache server (which acts as a caching proxy) is a VM. The disk_cache is configured with CacheDirLevels=2 and CacheDirLength=1, and includes variants. A typical file path is "/htcache/B/x/i_iGfmmHhxJRheg8NHcQ.header.vary/A/W/oGX3MAV3q0bWl30YmA_A.header". When I try to call htcacheclean to tame the cache (non-daemon mode, "htcacheclean-t -p/htcache -l15G"), IOwait is going through the roof for several hours. Without any visible action. Only after hours, htcacheclean starts to delete files from the cache partition, which takes a couple more hours. (A similar problem was brought up in the Apache mailing list in 2009, without a solution: http://www.mail-archive.com/[email protected]/msg42683.html) The high IOwait leads to problems with the stability of the web server (the bridge to the Tomcat backend server sometimes stalls). I came up with my own prune script, which removes files and directories from random subdirectories of the cache. Only to find that the deletion rate of the script is just slightly higher than the cache growth rate. The script takes ~10 seconds to read the a subdirectory (e.g. /htcache/B/x) and frees some 5 MB of disk space. In this 10 seconds, the cache has grown by another 2 MB. As with htcacheclean, IOwait goes up to 25% when running the prune script continuously. Any idea? Is this a problem specific to the (rather slow) iSCSI storage? Should I choose a different file system for a huge disk_cache? ext2? ext4? Are there any kernel parameter optimizations for this kind of scenario? (I already tried the deadline scheduler and a smaller read_ahead_kb, without effect).

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  • Ubuntu + SSL ports + AVAST

    - by jurajvt
    I have an interesting problem with communication via standard SSL ports. Fresh installed Ubuntu 14.04 server + Postfix + Dovecot, SASL authentication provided by Dovecot, self-signed certificate generated trough the Dovecot script mkcert.sh. Redirected ports on ZyWALL USG 200. I can send and receive e-mails from outside with standard ports 25 and 110, but not over 587. I am connecting to my server from machine with Windows 8.1 + VMWare Player + Ubuntu 14.04 Desktop + ssh. On Windows host I have installed Avast! antivirus. When I am trying to telnet from virtual machine to server over 587, it refused connection. But when I turn on Avast! it let me in to message Connected to... Same with nmap. When Avast! is turned on it is show me all SSL ports. When I turned it off, only standard ports appeared. OpenSSL shows me CONNECTED(00000003). But outside virtual machine directly in Windows 8.1 using nmap with zenmap there are not opened SSL ports in both Avast! states. From other external linux machines are problems with touching SSL ports same - refused. I have turned on submission in master.cf and 587 port is correctly listening on 0.0.0.0 in process master.pid which belongs to Postfix. I can telnet, or nmap over port 587 to my domain directly from server. Other ports like 995, 993 are OK on localhost, too. It is true, that I can't send emails via 587 anyway (Avast! turned on/off), but I can see ports opened. It is possible, that I have simply bad certificate and Avast! has right one, so with turned it on I can see opened ports? EDIT: To be more clear, I can't see or using port 587 everywhere from outside (tried Thunderbird, telnet, openssl, nmap, putty, swaks; both from Linux or Windows machines) and that is my problem. It was only by chance that I saw opened ports when Avast! is turned on.

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  • $.post is not working

    - by BEBO
    i am trying to post data to Mysql using jquery $.post and php page. my code is not running and nothing is added to the mysql table. I am not sure if the path i am creating is wrong but any help would be appreciated. Jquery location: f_js/tasks/TaskTest.js <script type="text/javascript"> $(document).ready(function(){ $("#AddTask").click(function(){ var acct = $('#acct').val(); var quicktask = $('#quicktask').val(); var user = $('#user').val(); $.post('addTask.php',{acct:acct,quicktask:quicktask,user:user}, function(data){ $('#result').fadeIn('slow').html(data); }); }); }); </script> addTask.php (runs the jqeury code) <?php include 'dbconnect.php'; include 'sessions.php'; $acct = $_POST['acct']; $task = $_POST['quicktask']; $taskstatus = 'Active'; //get task Creator $user = $_POST['user']; //query task creator from users table $allusers = mysql_query("SELECT * FROM users WHERE username = '$user'"); while ($rows = mysql_fetch_array($allusers)) { //get first and last name for task creator $taskOwner = $rows['user_firstname']; $taskOwnerLast = $rows['user_lastname']; $taskOwnerFull = $taskOwner." ".$taskOwnerLast; mysql_query("INSERT INTO tasks (taskresource, tasktitle, taskdetail, taskstatus, taskowner, taskOwnerFullName) VALUES ('$acct', '$task', '$task', '$taskstatus', '$user', '$taskOwnerFull' )"); echo "inserted"; } ?> Accountview.php finally the front page <html> <div class="input-cont "> <input type="text" class="form-control col-lg-12" placeholder="Add a quick Task..." name ="quicktask" id="quicktask"> </div> <div class="form-group"> <div class="pull-right chat-features"> <a href="javascript:;"> <i class="icon-camera"></i> </a> <a href="javascript:;"> <i class="icon-link"></i> </a> <input type="button" class="btn btn-danger" name="AddTask" id="AddTask" value="Add" /> <input type="hidden" name="acct" id="acct" value="<?php echo $_REQUEST['acctname']?>"/> <input type="hidden" name="user" id="user" value="<?php $username = $_SESSION['username']; echo $username?>"/> <div id="result">result</div> </div> </div> <!-- js placed at the end of the document so the pages load faster --> <script src="js/jquery.js"></script> <script src="f_js/tasks/TaskTest.js"></script> <!--common script for all pages--> <script src="js/common-scripts.js"></script> <script type="text/javascript" src="assets/gritter/js/jquery.gritter.js"></script> <script src="js/gritter.js" type="text/javascript"></script> <script> </html> Firebug reponse: Response Headers Connection Keep-Alive Content-Length 0 Content-Type text/html Date Fri, 08 Nov 2013 21:48:50 GMT Keep-Alive timeout=5, max=100 Server Apache/2.4.4 (Win32) OpenSSL/0.9.8y PHP/5.4.16 X-Powered-By PHP/5.4.16 refresh 5; URL=index.php Request Headers Accept */* Accept-Encoding gzip, deflate Accept-Language en-US,en;q=0.5 Content-Length 13 Content-Type application/x-www-form-urlencoded; charset=UTF-8 Cookie PHPSESSID=6gufl3guiiddreg8cdlc0htnc6 Host localhost Referer http://localhost/betahtml/AccountView.php?acctname=client%201 User-Agent Mozilla/5.0 (Windows NT 6.3; WOW64; rv:25.0) Gecko/20100101 Firefox/25.0 X-Requested-With XMLHttpRequest

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  • Unable to install Xdebug

    - by burnt1ce
    I've registered xdebug in php.ini (as per http://xdebug.org/docs/install) but it's not showing up when i run "php -m" or when i get a test page to run "phpinfo()". I've just installed the latest version of XAMPP. Can anyone provide any suggestions in getting xdebug to show up? This is what i get when i run phpinfo(). **PHP Version 5.3.1** System Windows NT ANDREW_LAPTOP 5.1 build 2600 (Windows XP Professional Service Pack 3) i586 Build Date Nov 20 2009 17:20:57 Compiler MSVC6 (Visual C++ 6.0) Architecture x86 Configure Command cscript /nologo configure.js "--enable-snapshot-build" Server API Apache 2.0 Handler Virtual Directory Support enabled Configuration File (php.ini) Path no value Loaded Configuration File C:\xampp\php\php.ini Scan this dir for additional .ini files (none) Additional .ini files parsed (none) PHP API 20090626 PHP Extension 20090626 Zend Extension 220090626 Zend Extension Build API220090626,TS,VC6 PHP Extension Build API20090626,TS,VC6 Debug Build no Thread Safety enabled Zend Memory Manager enabled Zend Multibyte Support disabled IPv6 Support enabled Registered PHP Streams https, ftps, php, file, glob, data, http, ftp, compress.zlib, compress.bzip2, phar, zip Registered Stream Socket Transports tcp, udp, ssl, sslv3, sslv2, tls Registered Stream Filters convert.iconv.*, string.rot13, string.toupper, string.tolower, string.strip_tags, convert.*, consumed, dechunk, zlib.*, bzip2.* This program makes use of the Zend Scripting Language Engine: Zend Engine v2.3.0, Copyright (c) 1998-2009 Zend Technologies PHP Credits Configuration apache2handler Apache Version Apache/2.2.14 (Win32) DAV/2 mod_ssl/2.2.14 OpenSSL/0.9.8l mod_autoindex_color PHP/5.3.1 mod_apreq2-20090110/2.7.1 mod_perl/2.0.4 Perl/v5.10.1 Apache API Version 20051115 Server Administrator postmaster@localhost Hostname:Port localhost:80 Max Requests Per Child: 0 - Keep Alive: on - Max Per Connection: 100 Timeouts Connection: 300 - Keep-Alive: 5 Virtual Server No Server Root C:/xampp/apache Loaded Modules core mod_win32 mpm_winnt http_core mod_so mod_actions mod_alias mod_asis mod_auth_basic mod_auth_digest mod_authn_default mod_authn_file mod_authz_default mod_authz_groupfile mod_authz_host mod_authz_user mod_cgi mod_dav mod_dav_fs mod_dav_lock mod_dir mod_env mod_headers mod_include mod_info mod_isapi mod_log_config mod_mime mod_negotiation mod_rewrite mod_setenvif mod_ssl mod_status mod_autoindex_color mod_php5 mod_perl mod_apreq2 Directive Local Value Master Value engine 1 1 last_modified 0 0 xbithack 0 0 Apache Environment Variable Value MIBDIRS C:/xampp/php/extras/mibs MYSQL_HOME C:\xampp\mysql\bin OPENSSL_CONF C:/xampp/apache/bin/openssl.cnf PHP_PEAR_SYSCONF_DIR C:\xampp\php PHPRC C:\xampp\php TMP C:\xampp\tmp HTTP_HOST localhost HTTP_CONNECTION keep-alive HTTP_USER_AGENT Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.8 Safari/533.2 HTTP_CACHE_CONTROL max-age=0 HTTP_ACCEPT application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 HTTP_ACCEPT_ENCODING gzip,deflate,sdch HTTP_ACCEPT_LANGUAGE en-US,en;q=0.8 HTTP_ACCEPT_CHARSET ISO-8859-1,utf-8;q=0.7,*;q=0.3 PATH C:\Documents and Settings\Andrew\Local Settings\Application Data\Google\Chrome\Application;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;c:\Program Files\Microsoft SQL Server\100\Tools\Binn\;c:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files\QuickTime\QTSystem\;C:\Program Files\Common Files\DivX Shared\;C:\Program Files\WiTopia.Net\bin SystemRoot C:\WINDOWS COMSPEC C:\WINDOWS\system32\cmd.exe PATHEXT .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH WINDIR C:\WINDOWS SERVER_SIGNATURE <address>Apache/2.2.14 (Win32) DAV/2 mod_ssl/2.2.14 OpenSSL/0.9.8l mod_autoindex_color PHP/5.3.1 mod_apreq2-20090110/2.7.1 mod_perl/2.0.4 Perl/v5.10.1 Server at localhost Port 80</address> SERVER_SOFTWARE Apache/2.2.14 (Win32) DAV/2 mod_ssl/2.2.14 OpenSSL/0.9.8l mod_autoindex_color PHP/5.3.1 mod_apreq2-20090110/2.7.1 mod_perl/2.0.4 Perl/v5.10.1 SERVER_NAME localhost SERVER_ADDR 127.0.0.1 SERVER_PORT 80 REMOTE_ADDR 127.0.0.1 DOCUMENT_ROOT C:/xampp/htdocs SERVER_ADMIN postmaster@localhost SCRIPT_FILENAME C:/xampp/htdocs/test.php REMOTE_PORT 3275 GATEWAY_INTERFACE CGI/1.1 SERVER_PROTOCOL HTTP/1.1 REQUEST_METHOD GET QUERY_STRING no value REQUEST_URI /test.php SCRIPT_NAME /test.php HTTP Headers Information HTTP Request Headers HTTP Request GET /test.php HTTP/1.1 Host localhost Connection keep-alive User-Agent Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.8 Safari/533.2 Cache-Control max-age=0 Accept application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 Accept-Encoding gzip,deflate,sdch Accept-Language en-US,en;q=0.8 Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.3 HTTP Response Headers X-Powered-By PHP/5.3.1 Keep-Alive timeout=5, max=80 Connection Keep-Alive Transfer-Encoding chunked Content-Type text/html bcmath BCMath support enabled Directive Local Value Master Value bcmath.scale 0 0 bz2 BZip2 Support Enabled Stream Wrapper support compress.bz2:// Stream Filter support bzip2.decompress, bzip2.compress BZip2 Version 1.0.5, 10-Dec-2007 calendar Calendar support enabled com_dotnet COM support enabled DCOM support disabled .Net support enabled Directive Local Value Master Value com.allow_dcom 0 0 com.autoregister_casesensitive 1 1 com.autoregister_typelib 0 0 com.autoregister_verbose 0 0 com.code_page no value no value com.typelib_file no value no value Core PHP Version 5.3.1 Directive Local Value Master Value allow_call_time_pass_reference On On allow_url_fopen On On allow_url_include Off Off always_populate_raw_post_data Off Off arg_separator.input & & arg_separator.output &amp; &amp; asp_tags Off Off auto_append_file no value no value auto_globals_jit On On auto_prepend_file no value no value browscap C:\xampp\php\extras\browscap.ini C:\xampp\php\extras\browscap.ini default_charset no value no value default_mimetype text/html text/html define_syslog_variables Off Off disable_classes no value no value disable_functions no value no value display_errors On On display_startup_errors On On doc_root no value no value docref_ext no value no value docref_root no value no value enable_dl On On error_append_string no value no value error_log no value no value error_prepend_string no value no value error_reporting 22519 22519 exit_on_timeout Off Off expose_php On On extension_dir C:\xampp\php\ext C:\xampp\php\ext file_uploads On On highlight.bg #FFFFFF #FFFFFF highlight.comment #FF8000 #FF8000 highlight.default #0000BB #0000BB highlight.html #000000 #000000 highlight.keyword #007700 #007700 highlight.string #DD0000 #DD0000 html_errors On On ignore_repeated_errors Off Off ignore_repeated_source Off Off ignore_user_abort Off Off implicit_flush Off Off include_path .;C:\xampp\php\PEAR .;C:\xampp\php\PEAR log_errors Off Off log_errors_max_len 1024 1024 magic_quotes_gpc Off Off magic_quotes_runtime Off Off magic_quotes_sybase Off Off mail.add_x_header Off Off mail.force_extra_parameters no value no value mail.log no value no value max_execution_time 60 60 max_file_uploads 20 20 max_input_nesting_level 64 64 max_input_time 60 60 memory_limit 128M 128M open_basedir no value no value output_buffering no value no value output_handler no value no value post_max_size 128M 128M precision 14 14 realpath_cache_size 16K 16K realpath_cache_ttl 120 120 register_argc_argv On On register_globals Off Off register_long_arrays Off Off report_memleaks On On report_zend_debug On On request_order no value no value safe_mode Off Off safe_mode_exec_dir no value no value safe_mode_gid Off Off safe_mode_include_dir no value no value sendmail_from no value no value sendmail_path no value no value serialize_precision 100 100 short_open_tag Off Off SMTP localhost localhost smtp_port 25 25 sql.safe_mode Off Off track_errors Off Off unserialize_callback_func no value no value upload_max_filesize 128M 128M upload_tmp_dir C:\xampp\tmp C:\xampp\tmp user_dir no value no value user_ini.cache_ttl 300 300 user_ini.filename .user.ini .user.ini variables_order GPCS GPCS xmlrpc_error_number 0 0 xmlrpc_errors Off Off y2k_compliance On On zend.enable_gc On On ctype ctype functions enabled date date/time support enabled "Olson" Timezone Database Version 2009.18 Timezone Database internal Default timezone America/New_York Directive Local Value Master Value date.default_latitude 31.7667 31.7667 date.default_longitude 35.2333 35.2333 date.sunrise_zenith 90.583333 90.583333 date.sunset_zenith 90.583333 90.583333 date.timezone America/New_York America/New_York dom DOM/XML enabled DOM/XML API Version 20031129 libxml Version 2.7.6 HTML Support enabled XPath Support enabled XPointer Support enabled Schema Support enabled RelaxNG Support enabled ereg Regex Library System library enabled exif EXIF Support enabled EXIF Version 1.4 $Id: exif.c 287372 2009-08-16 14:32:32Z iliaa $ Supported EXIF Version 0220 Supported filetypes JPEG,TIFF Directive Local Value Master Value exif.decode_jis_intel JIS JIS exif.decode_jis_motorola JIS JIS exif.decode_unicode_intel UCS-2LE UCS-2LE exif.decode_unicode_motorola UCS-2BE UCS-2BE exif.encode_jis no value no value exif.encode_unicode ISO-8859-15 ISO-8859-15 fileinfo fileinfo support enabled version 1.0.5-dev filter Input Validation and Filtering enabled Revision $Revision: 289434 $ Directive Local Value Master Value filter.default unsafe_raw unsafe_raw filter.default_flags no value no value ftp FTP support enabled gd GD Support enabled GD Version bundled (2.0.34 compatible) FreeType Support enabled FreeType Linkage with freetype FreeType Version 2.3.11 T1Lib Support enabled GIF Read Support enabled GIF Create Support enabled JPEG Support enabled libJPEG Version 7 PNG Support enabled libPNG Version 1.2.40 WBMP Support enabled XBM Support enabled JIS-mapped Japanese Font Support enabled Directive Local Value Master Value gd.jpeg_ignore_warning 0 0 gettext GetText Support enabled hash hash support enabled Hashing Engines md2 md4 md5 sha1 sha224 sha256 sha384 sha512 ripemd128 ripemd160 ripemd256 ripemd320 whirlpool tiger128,3 tiger160,3 tiger192,3 tiger128,4 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Directive Local Value Master Value phar.cache_list no value no value phar.readonly On On phar.require_hash On On Reflection Reflection enabled Version $Revision: 287991 $ session Session Support enabled Registered save handlers files user sqlite Registered serializer handlers php php_binary wddx Directive Local Value Master Value session.auto_start Off Off session.bug_compat_42 On On session.bug_compat_warn On On session.cache_expire 180 180 session.cache_limiter nocache nocache session.cookie_domain no value no value session.cookie_httponly Off Off session.cookie_lifetime 0 0 session.cookie_path / / session.cookie_secure Off Off session.entropy_file no value no value session.entropy_length 0 0 session.gc_divisor 100 100 session.gc_maxlifetime 1440 1440 session.gc_probability 1 1 session.hash_bits_per_character 5 5 session.hash_function 0 0 session.name PHPSESSID PHPSESSID session.referer_check no value no value session.save_handler files files session.save_path C:\xampp\tmp C:\xampp\tmp session.serialize_handler php php session.use_cookies On On session.use_only_cookies Off Off session.use_trans_sid 0 0 SimpleXML Simplexml support enabled Revision $Revision: 281953 $ Schema support enabled soap Soap Client enabled Soap Server enabled Directive Local Value Master Value soap.wsdl_cache 1 1 soap.wsdl_cache_dir /tmp /tmp soap.wsdl_cache_enabled 1 1 soap.wsdl_cache_limit 5 5 soap.wsdl_cache_ttl 86400 86400 sockets Sockets Support enabled SPL SPL support enabled Interfaces Countable, OuterIterator, RecursiveIterator, SeekableIterator, SplObserver, SplSubject Classes AppendIterator, ArrayIterator, ArrayObject, BadFunctionCallException, BadMethodCallException, CachingIterator, DirectoryIterator, DomainException, EmptyIterator, FilesystemIterator, FilterIterator, GlobIterator, InfiniteIterator, InvalidArgumentException, IteratorIterator, LengthException, LimitIterator, LogicException, MultipleIterator, NoRewindIterator, OutOfBoundsException, OutOfRangeException, OverflowException, ParentIterator, RangeException, RecursiveArrayIterator, RecursiveCachingIterator, RecursiveDirectoryIterator, RecursiveFilterIterator, RecursiveIteratorIterator, RecursiveRegexIterator, RecursiveTreeIterator, RegexIterator, RuntimeException, SplDoublyLinkedList, SplFileInfo, SplFileObject, SplFixedArray, SplHeap, SplMinHeap, SplMaxHeap, SplObjectStorage, SplPriorityQueue, SplQueue, SplStack, SplTempFileObject, UnderflowException, UnexpectedValueException SQLite SQLite support enabled PECL Module version 2.0-dev $Id: sqlite.c 289598 2009-10-12 22:37:52Z pajoye $ SQLite Library 2.8.17 SQLite Encoding iso8859 Directive Local Value Master Value sqlite.assoc_case 0 0 sqlite3 SQLite3 support enabled SQLite3 module version 0.7-dev SQLite Library 3.6.20 Directive Local Value Master Value sqlite3.extension_dir no value no value standard Dynamic Library Support enabled Internal Sendmail Support for Windows enabled Directive Local Value Master Value assert.active 1 1 assert.bail 0 0 assert.callback no value no value assert.quiet_eval 0 0 assert.warning 1 1 auto_detect_line_endings 0 0 default_socket_timeout 60 60 safe_mode_allowed_env_vars PHP_ PHP_ safe_mode_protected_env_vars LD_LIBRARY_PATH LD_LIBRARY_PATH url_rewriter.tags a=href,area=href,frame=src,input=src,form=,fieldset= a=href,area=href,frame=src,input=src,form=,fieldset= user_agent no value no value tokenizer Tokenizer Support enabled wddx WDDX Support enabled WDDX Session Serializer enabled xml XML Support active XML Namespace Support active libxml2 Version 2.7.6 xmlreader XMLReader enabled xmlrpc core library version xmlrpc-epi v. 0.54 php extension version 0.51 author Dan Libby homepage http://xmlrpc-epi.sourceforge.net open sourced by Epinions.com xmlwriter XMLWriter enabled xsl XSL enabled libxslt Version 1.1.26 libxslt compiled against libxml Version 2.7.6 EXSLT enabled libexslt Version 1.1.26 zip Zip enabled Extension Version $Id: php_zip.c 276389 2009-02-24 23:55:14Z iliaa $ Zip version 1.9.1 Libzip version 0.9.0 zlib ZLib Support enabled Stream Wrapper support compress.zlib:// Stream Filter support zlib.inflate, zlib.deflate Compiled Version 1.2.3 Linked Version 1.2.3 Directive Local Value Master Value zlib.output_compression Off Off zlib.output_compression_level -1 -1 zlib.output_handler no value no value Additional Modules Module Name Environment Variable Value no value ::=::\ no value C:=C:\xampp ALLUSERSPROFILE C:\Documents and Settings\All Users APPDATA C:\Documents and Settings\Andrew\Application Data CHROME_RESTART Google Chrome|Whoa! Google Chrome has crashed. Restart now?|LEFT_TO_RIGHT CHROME_VERSION 5.0.342.8 CLASSPATH .;C:\Program Files\QuickTime\QTSystem\QTJava.zip CommonProgramFiles C:\Program Files\Common Files COMPUTERNAME ANDREW_LAPTOP ComSpec C:\WINDOWS\system32\cmd.exe FP_NO_HOST_CHECK NO HOMEDRIVE C: HOMEPATH \Documents and Settings\Andrew LOGONSERVER \\ANDREW_LAPTOP NUMBER_OF_PROCESSORS 2 OS Windows_NT PATH C:\Documents and Settings\Andrew\Local Settings\Application Data\Google\Chrome\Application;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;c:\Program Files\Microsoft SQL Server\100\Tools\Binn\;c:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files\QuickTime\QTSystem\;C:\Program Files\Common Files\DivX Shared\;C:\Program Files\WiTopia.Net\bin PATHEXT .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH PROCESSOR_ARCHITECTURE x86 PROCESSOR_IDENTIFIER x86 Family 6 Model 15 Stepping 10, GenuineIntel PROCESSOR_LEVEL 6 PROCESSOR_REVISION 0f0a ProgramFiles C:\Program Files PROMPT $P$G QTJAVA C:\Program Files\QuickTime\QTSystem\QTJava.zip SESSIONNAME Console sfxcmd "C:\Documents and Settings\Andrew\My Documents\Downloads\xampp-win32-1.7.3.exe" sfxname C:\Documents and Settings\Andrew\My Documents\Downloads\xampp-win32-1.7.3.exe SystemDrive C: SystemRoot C:\WINDOWS TEMP C:\DOCUME~1\Andrew\LOCALS~1\Temp TMP C:\DOCUME~1\Andrew\LOCALS~1\Temp USERDOMAIN ANDREW_LAPTOP USERNAME Andrew USERPROFILE C:\Documents and Settings\Andrew VS100COMNTOOLS C:\Program Files\Microsoft Visual Studio 10.0\Common7\Tools\ windir C:\WINDOWS AP_PARENT_PID 2216 PHP Variables Variable Value _SERVER["MIBDIRS"] C:/xampp/php/extras/mibs _SERVER["MYSQL_HOME"] C:\xampp\mysql\bin _SERVER["OPENSSL_CONF"] C:/xampp/apache/bin/openssl.cnf _SERVER["PHP_PEAR_SYSCONF_DIR"] C:\xampp\php _SERVER["PHPRC"] C:\xampp\php _SERVER["TMP"] C:\xampp\tmp _SERVER["HTTP_HOST"] localhost _SERVER["HTTP_CONNECTION"] keep-alive _SERVER["HTTP_USER_AGENT"] Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.8 Safari/533.2 _SERVER["HTTP_CACHE_CONTROL"] max-age=0 _SERVER["HTTP_ACCEPT"] application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 _SERVER["HTTP_ACCEPT_ENCODING"] gzip,deflate,sdch _SERVER["HTTP_ACCEPT_LANGUAGE"] en-US,en;q=0.8 _SERVER["HTTP_ACCEPT_CHARSET"] ISO-8859-1,utf-8;q=0.7,*;q=0.3 _SERVER["PATH"] C:\Documents and Settings\Andrew\Local Settings\Application Data\Google\Chrome\Application;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;c:\Program Files\Microsoft SQL Server\100\Tools\Binn\;c:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files\QuickTime\QTSystem\;C:\Program Files\Common Files\DivX Shared\;C:\Program Files\WiTopia.Net\bin _SERVER["SystemRoot"] C:\WINDOWS _SERVER["COMSPEC"] C:\WINDOWS\system32\cmd.exe _SERVER["PATHEXT"] .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH _SERVER["WINDIR"] C:\WINDOWS _SERVER["SERVER_SIGNATURE"] <address>Apache/2.2.14 (Win32) DAV/2 mod_ssl/2.2.14 OpenSSL/0.9.8l mod_autoindex_color PHP/5.3.1 mod_apreq2-20090110/2.7.1 mod_perl/2.0.4 Perl/v5.10.1 Server at localhost Port 80</address> _SERVER["SERVER_SOFTWARE"] Apache/2.2.14 (Win32) DAV/2 mod_ssl/2.2.14 OpenSSL/0.9.8l mod_autoindex_color PHP/5.3.1 mod_apreq2-20090110/2.7.1 mod_perl/2.0.4 Perl/v5.10.1 _SERVER["SERVER_NAME"] localhost _SERVER["SERVER_ADDR"] 127.0.0.1 _SERVER["SERVER_PORT"] 80 _SERVER["REMOTE_ADDR"] 127.0.0.1 _SERVER["DOCUMENT_ROOT"] C:/xampp/htdocs _SERVER["SERVER_ADMIN"] postmaster@localhost _SERVER["SCRIPT_FILENAME"] C:/xampp/htdocs/test.php _SERVER["REMOTE_PORT"] 3275 _SERVER["GATEWAY_INTERFACE"] CGI/1.1 _SERVER["SERVER_PROTOCOL"] HTTP/1.1 _SERVER["REQUEST_METHOD"] GET _SERVER["QUERY_STRING"] no value _SERVER["REQUEST_URI"] /test.php _SERVER["SCRIPT_NAME"] /test.php _SERVER["PHP_SELF"] /test.php _SERVER["REQUEST_TIME"] 1270600868 _SERVER["argv"] Array ( ) _SERVER["argc"] 0 PHP License This program is free software; you can redistribute it and/or modify it under the terms of the PHP License as published by the PHP Group and included in the distribution in the file: LICENSE This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. If you did not receive a copy of the PHP license, or have any questions about PHP licensing, please contact [email protected].

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  • Zen and the Art of File and Folder Organization

    - by Mark Virtue
    Is your desk a paragon of neatness, or does it look like a paper-bomb has gone off? If you’ve been putting off getting organized because the task is too huge or daunting, or you don’t know where to start, we’ve got 40 tips to get you on the path to zen mastery of your filing system. For all those readers who would like to get their files and folders organized, or, if they’re already organized, better organized—we have compiled a complete guide to getting organized and staying organized, a comprehensive article that will hopefully cover every possible tip you could want. Signs that Your Computer is Poorly Organized If your computer is a mess, you’re probably already aware of it.  But just in case you’re not, here are some tell-tale signs: Your Desktop has over 40 icons on it “My Documents” contains over 300 files and 60 folders, including MP3s and digital photos You use the Windows’ built-in search facility whenever you need to find a file You can’t find programs in the out-of-control list of programs in your Start Menu You save all your Word documents in one folder, all your spreadsheets in a second folder, etc Any given file that you’re looking for may be in any one of four different sets of folders But before we start, here are some quick notes: We’re going to assume you know what files and folders are, and how to create, save, rename, copy and delete them The organization principles described in this article apply equally to all computer systems.  However, the screenshots here will reflect how things look on Windows (usually Windows 7).  We will also mention some useful features of Windows that can help you get organized. Everyone has their own favorite methodology of organizing and filing, and it’s all too easy to get into “My Way is Better than Your Way” arguments.  The reality is that there is no perfect way of getting things organized.  When I wrote this article, I tried to keep a generalist and objective viewpoint.  I consider myself to be unusually well organized (to the point of obsession, truth be told), and I’ve had 25 years experience in collecting and organizing files on computers.  So I’ve got a lot to say on the subject.  But the tips I have described here are only one way of doing it.  Hopefully some of these tips will work for you too, but please don’t read this as any sort of “right” way to do it. At the end of the article we’ll be asking you, the reader, for your own organization tips. Why Bother Organizing At All? For some, the answer to this question is self-evident. And yet, in this era of powerful desktop search software (the search capabilities built into the Windows Vista and Windows 7 Start Menus, and third-party programs like Google Desktop Search), the question does need to be asked, and answered. I have a friend who puts every file he ever creates, receives or downloads into his My Documents folder and doesn’t bother filing them into subfolders at all.  He relies on the search functionality built into his Windows operating system to help him find whatever he’s looking for.  And he always finds it.  He’s a Search Samurai.  For him, filing is a waste of valuable time that could be spent enjoying life! It’s tempting to follow suit.  On the face of it, why would anyone bother to take the time to organize their hard disk when such excellent search software is available?  Well, if all you ever want to do with the files you own is to locate and open them individually (for listening, editing, etc), then there’s no reason to ever bother doing one scrap of organization.  But consider these common tasks that are not achievable with desktop search software: Find files manually.  Often it’s not convenient, speedy or even possible to utilize your desktop search software to find what you want.  It doesn’t work 100% of the time, or you may not even have it installed.  Sometimes its just plain faster to go straight to the file you want, if you know it’s in a particular sub-folder, rather than trawling through hundreds of search results. Find groups of similar files (e.g. all your “work” files, all the photos of your Europe holiday in 2008, all your music videos, all the MP3s from Dark Side of the Moon, all your letters you wrote to your wife, all your tax returns).  Clever naming of the files will only get you so far.  Sometimes it’s the date the file was created that’s important, other times it’s the file format, and other times it’s the purpose of the file.  How do you name a collection of files so that they’re easy to isolate based on any of the above criteria?  Short answer, you can’t. Move files to a new computer.  It’s time to upgrade your computer.  How do you quickly grab all the files that are important to you?  Or you decide to have two computers now – one for home and one for work.  How do you quickly isolate only the work-related files to move them to the work computer? Synchronize files to other computers.  If you have more than one computer, and you need to mirror some of your files onto the other computer (e.g. your music collection), then you need a way to quickly determine which files are to be synced and which are not.  Surely you don’t want to synchronize everything? Choose which files to back up.  If your backup regime calls for multiple backups, or requires speedy backups, then you’ll need to be able to specify which files are to be backed up, and which are not.  This is not possible if they’re all in the same folder. Finally, if you’re simply someone who takes pleasure in being organized, tidy and ordered (me! me!), then you don’t even need a reason.  Being disorganized is simply unthinkable. Tips on Getting Organized Here we present our 40 best tips on how to get organized.  Or, if you’re already organized, to get better organized. Tip #1.  Choose Your Organization System Carefully The reason that most people are not organized is that it takes time.  And the first thing that takes time is deciding upon a system of organization.  This is always a matter of personal preference, and is not something that a geek on a website can tell you.  You should always choose your own system, based on how your own brain is organized (which makes the assumption that your brain is, in fact, organized). We can’t instruct you, but we can make suggestions: You may want to start off with a system based on the users of the computer.  i.e. “My Files”, “My Wife’s Files”, My Son’s Files”, etc.  Inside “My Files”, you might then break it down into “Personal” and “Business”.  You may then realize that there are overlaps.  For example, everyone may want to share access to the music library, or the photos from the school play.  So you may create another folder called “Family”, for the “common” files. You may decide that the highest-level breakdown of your files is based on the “source” of each file.  In other words, who created the files.  You could have “Files created by ME (business or personal)”, “Files created by people I know (family, friends, etc)”, and finally “Files created by the rest of the world (MP3 music files, downloaded or ripped movies or TV shows, software installation files, gorgeous desktop wallpaper images you’ve collected, etc).”  This system happens to be the one I use myself.  See below:  Mark is for files created by meVC is for files created by my company (Virtual Creations)Others is for files created by my friends and familyData is the rest of the worldAlso, Settings is where I store the configuration files and other program data files for my installed software (more on this in tip #34, below). Each folder will present its own particular set of requirements for further sub-organization.  For example, you may decide to organize your music collection into sub-folders based on the artist’s name, while your digital photos might get organized based on the date they were taken.  It can be different for every sub-folder! Another strategy would be based on “currentness”.  Files you have yet to open and look at live in one folder.  Ones that have been looked at but not yet filed live in another place.  Current, active projects live in yet another place.  All other files (your “archive”, if you like) would live in a fourth folder. (And of course, within that last folder you’d need to create a further sub-system based on one of the previous bullet points). Put some thought into this – changing it when it proves incomplete can be a big hassle!  Before you go to the trouble of implementing any system you come up with, examine a wide cross-section of the files you own and see if they will all be able to find a nice logical place to sit within your system. Tip #2.  When You Decide on Your System, Stick to It! There’s nothing more pointless than going to all the trouble of creating a system and filing all your files, and then whenever you create, receive or download a new file, you simply dump it onto your Desktop.  You need to be disciplined – forever!  Every new file you get, spend those extra few seconds to file it where it belongs!  Otherwise, in just a month or two, you’ll be worse off than before – half your files will be organized and half will be disorganized – and you won’t know which is which! Tip #3.  Choose the Root Folder of Your Structure Carefully Every data file (document, photo, music file, etc) that you create, own or is important to you, no matter where it came from, should be found within one single folder, and that one single folder should be located at the root of your C: drive (as a sub-folder of C:\).  In other words, do not base your folder structure in standard folders like “My Documents”.  If you do, then you’re leaving it up to the operating system engineers to decide what folder structure is best for you.  And every operating system has a different system!  In Windows 7 your files are found in C:\Users\YourName, whilst on Windows XP it was C:\Documents and Settings\YourName\My Documents.  In UNIX systems it’s often /home/YourName. These standard default folders tend to fill up with junk files and folders that are not at all important to you.  “My Documents” is the worst offender.  Every second piece of software you install, it seems, likes to create its own folder in the “My Documents” folder.  These folders usually don’t fit within your organizational structure, so don’t use them!  In fact, don’t even use the “My Documents” folder at all.  Allow it to fill up with junk, and then simply ignore it.  It sounds heretical, but: Don’t ever visit your “My Documents” folder!  Remove your icons/links to “My Documents” and replace them with links to the folders you created and you care about! Create your own file system from scratch!  Probably the best place to put it would be on your D: drive – if you have one.  This way, all your files live on one drive, while all the operating system and software component files live on the C: drive – simply and elegantly separated.  The benefits of that are profound.  Not only are there obvious organizational benefits (see tip #10, below), but when it comes to migrate your data to a new computer, you can (sometimes) simply unplug your D: drive and plug it in as the D: drive of your new computer (this implies that the D: drive is actually a separate physical disk, and not a partition on the same disk as C:).  You also get a slight speed improvement (again, only if your C: and D: drives are on separate physical disks). Warning:  From tip #12, below, you will see that it’s actually a good idea to have exactly the same file system structure – including the drive it’s filed on – on all of the computers you own.  So if you decide to use the D: drive as the storage system for your own files, make sure you are able to use the D: drive on all the computers you own.  If you can’t ensure that, then you can still use a clever geeky trick to store your files on the D: drive, but still access them all via the C: drive (see tip #17, below). If you only have one hard disk (C:), then create a dedicated folder that will contain all your files – something like C:\Files.  The name of the folder is not important, but make it a single, brief word. There are several reasons for this: When creating a backup regime, it’s easy to decide what files should be backed up – they’re all in the one folder! If you ever decide to trade in your computer for a new one, you know exactly which files to migrate You will always know where to begin a search for any file If you synchronize files with other computers, it makes your synchronization routines very simple.   It also causes all your shortcuts to continue to work on the other machines (more about this in tip #24, below). Once you’ve decided where your files should go, then put all your files in there – Everything!  Completely disregard the standard, default folders that are created for you by the operating system (“My Music”, “My Pictures”, etc).  In fact, you can actually relocate many of those folders into your own structure (more about that below, in tip #6). The more completely you get all your data files (documents, photos, music, etc) and all your configuration settings into that one folder, then the easier it will be to perform all of the above tasks. Once this has been done, and all your files live in one folder, all the other folders in C:\ can be thought of as “operating system” folders, and therefore of little day-to-day interest for us. Here’s a screenshot of a nicely organized C: drive, where all user files are located within the \Files folder:   Tip #4.  Use Sub-Folders This would be our simplest and most obvious tip.  It almost goes without saying.  Any organizational system you decide upon (see tip #1) will require that you create sub-folders for your files.  Get used to creating folders on a regular basis. Tip #5.  Don’t be Shy About Depth Create as many levels of sub-folders as you need.  Don’t be scared to do so.  Every time you notice an opportunity to group a set of related files into a sub-folder, do so.  Examples might include:  All the MP3s from one music CD, all the photos from one holiday, or all the documents from one client. It’s perfectly okay to put files into a folder called C:\Files\Me\From Others\Services\WestCo Bank\Statements\2009.  That’s only seven levels deep.  Ten levels is not uncommon.  Of course, it’s possible to take this too far.  If you notice yourself creating a sub-folder to hold only one file, then you’ve probably become a little over-zealous.  On the other hand, if you simply create a structure with only two levels (for example C:\Files\Work) then you really haven’t achieved any level of organization at all (unless you own only six files!).  Your “Work” folder will have become a dumping ground, just like your Desktop was, with most likely hundreds of files in it. Tip #6.  Move the Standard User Folders into Your Own Folder Structure Most operating systems, including Windows, create a set of standard folders for each of its users.  These folders then become the default location for files such as documents, music files, digital photos and downloaded Internet files.  In Windows 7, the full list is shown below: Some of these folders you may never use nor care about (for example, the Favorites folder, if you’re not using Internet Explorer as your browser).  Those ones you can leave where they are.  But you may be using some of the other folders to store files that are important to you.  Even if you’re not using them, Windows will still often treat them as the default storage location for many types of files.  When you go to save a standard file type, it can become annoying to be automatically prompted to save it in a folder that’s not part of your own file structure. But there’s a simple solution:  Move the folders you care about into your own folder structure!  If you do, then the next time you go to save a file of the corresponding type, Windows will prompt you to save it in the new, moved location. Moving the folders is easy.  Simply drag-and-drop them to the new location.  Here’s a screenshot of the default My Music folder being moved to my custom personal folder (Mark): Tip #7.  Name Files and Folders Intelligently This is another one that almost goes without saying, but we’ll say it anyway:  Do not allow files to be created that have meaningless names like Document1.doc, or folders called New Folder (2).  Take that extra 20 seconds and come up with a meaningful name for the file/folder – one that accurately divulges its contents without repeating the entire contents in the name. Tip #8.  Watch Out for Long Filenames Another way to tell if you have not yet created enough depth to your folder hierarchy is that your files often require really long names.  If you need to call a file Johnson Sales Figures March 2009.xls (which might happen to live in the same folder as Abercrombie Budget Report 2008.xls), then you might want to create some sub-folders so that the first file could be simply called March.xls, and living in the Clients\Johnson\Sales Figures\2009 folder. A well-placed file needs only a brief filename! Tip #9.  Use Shortcuts!  Everywhere! This is probably the single most useful and important tip we can offer.  A shortcut allows a file to be in two places at once. Why would you want that?  Well, the file and folder structure of every popular operating system on the market today is hierarchical.  This means that all objects (files and folders) always live within exactly one parent folder.  It’s a bit like a tree.  A tree has branches (folders) and leaves (files).  Each leaf, and each branch, is supported by exactly one parent branch, all the way back to the root of the tree (which, incidentally, is exactly why C:\ is called the “root folder” of the C: drive). That hard disks are structured this way may seem obvious and even necessary, but it’s only one way of organizing data.  There are others:  Relational databases, for example, organize structured data entirely differently.  The main limitation of hierarchical filing structures is that a file can only ever be in one branch of the tree – in only one folder – at a time.  Why is this a problem?  Well, there are two main reasons why this limitation is a problem for computer users: The “correct” place for a file, according to our organizational rationale, is very often a very inconvenient place for that file to be located.  Just because it’s correctly filed doesn’t mean it’s easy to get to.  Your file may be “correctly” buried six levels deep in your sub-folder structure, but you may need regular and speedy access to this file every day.  You could always move it to a more convenient location, but that would mean that you would need to re-file back to its “correct” location it every time you’d finished working on it.  Most unsatisfactory. A file may simply “belong” in two or more different locations within your file structure.  For example, say you’re an accountant and you have just completed the 2009 tax return for John Smith.  It might make sense to you to call this file 2009 Tax Return.doc and file it under Clients\John Smith.  But it may also be important to you to have the 2009 tax returns from all your clients together in the one place.  So you might also want to call the file John Smith.doc and file it under Tax Returns\2009.  The problem is, in a purely hierarchical filing system, you can’t put it in both places.  Grrrrr! Fortunately, Windows (and most other operating systems) offers a way for you to do exactly that:  It’s called a “shortcut” (also known as an “alias” on Macs and a “symbolic link” on UNIX systems).  Shortcuts allow a file to exist in one place, and an icon that represents the file to be created and put anywhere else you please.  In fact, you can create a dozen such icons and scatter them all over your hard disk.  Double-clicking on one of these icons/shortcuts opens up the original file, just as if you had double-clicked on the original file itself. Consider the following two icons: The one on the left is the actual Word document, while the one on the right is a shortcut that represents the Word document.  Double-clicking on either icon will open the same file.  There are two main visual differences between the icons: The shortcut will have a small arrow in the lower-left-hand corner (on Windows, anyway) The shortcut is allowed to have a name that does not include the file extension (the “.docx” part, in this case) You can delete the shortcut at any time without losing any actual data.  The original is still intact.  All you lose is the ability to get to that data from wherever the shortcut was. So why are shortcuts so great?  Because they allow us to easily overcome the main limitation of hierarchical file systems, and put a file in two (or more) places at the same time.  You will always have files that don’t play nice with your organizational rationale, and can’t be filed in only one place.  They demand to exist in two places.  Shortcuts allow this!  Furthermore, they allow you to collect your most often-opened files and folders together in one spot for convenient access.  The cool part is that the original files stay where they are, safe forever in their perfectly organized location. So your collection of most often-opened files can – and should – become a collection of shortcuts! If you’re still not convinced of the utility of shortcuts, consider the following well-known areas of a typical Windows computer: The Start Menu (and all the programs that live within it) The Quick Launch bar (or the Superbar in Windows 7) The “Favorite folders” area in the top-left corner of the Windows Explorer window (in Windows Vista or Windows 7) Your Internet Explorer Favorites or Firefox Bookmarks Each item in each of these areas is a shortcut!  Each of those areas exist for one purpose only:  For convenience – to provide you with a collection of the files and folders you access most often. It should be easy to see by now that shortcuts are designed for one single purpose:  To make accessing your files more convenient.  Each time you double-click on a shortcut, you are saved the hassle of locating the file (or folder, or program, or drive, or control panel icon) that it represents. Shortcuts allow us to invent a golden rule of file and folder organization: “Only ever have one copy of a file – never have two copies of the same file.  Use a shortcut instead” (this rule doesn’t apply to copies created for backup purposes, of course!) There are also lesser rules, like “don’t move a file into your work area – create a shortcut there instead”, and “any time you find yourself frustrated with how long it takes to locate a file, create a shortcut to it and place that shortcut in a convenient location.” So how to we create these massively useful shortcuts?  There are two main ways: “Copy” the original file or folder (click on it and type Ctrl-C, or right-click on it and select Copy):  Then right-click in an empty area of the destination folder (the place where you want the shortcut to go) and select Paste shortcut: Right-drag (drag with the right mouse button) the file from the source folder to the destination folder.  When you let go of the mouse button at the destination folder, a menu pops up: Select Create shortcuts here. Note that when shortcuts are created, they are often named something like Shortcut to Budget Detail.doc (windows XP) or Budget Detail – Shortcut.doc (Windows 7).   If you don’t like those extra words, you can easily rename the shortcuts after they’re created, or you can configure Windows to never insert the extra words in the first place (see our article on how to do this). And of course, you can create shortcuts to folders too, not just to files! Bottom line: Whenever you have a file that you’d like to access from somewhere else (whether it’s convenience you’re after, or because the file simply belongs in two places), create a shortcut to the original file in the new location. Tip #10.  Separate Application Files from Data Files Any digital organization guru will drum this rule into you.  Application files are the components of the software you’ve installed (e.g. Microsoft Word, Adobe Photoshop or Internet Explorer).  Data files are the files that you’ve created for yourself using that software (e.g. Word Documents, digital photos, emails or playlists). Software gets installed, uninstalled and upgraded all the time.  Hopefully you always have the original installation media (or downloaded set-up file) kept somewhere safe, and can thus reinstall your software at any time.  This means that the software component files are of little importance.  Whereas the files you have created with that software is, by definition, important.  It’s a good rule to always separate unimportant files from important files. So when your software prompts you to save a file you’ve just created, take a moment and check out where it’s suggesting that you save the file.  If it’s suggesting that you save the file into the same folder as the software itself, then definitely don’t follow that suggestion.  File it in your own folder!  In fact, see if you can find the program’s configuration option that determines where files are saved by default (if it has one), and change it. Tip #11.  Organize Files Based on Purpose, Not on File Type If you have, for example a folder called Work\Clients\Johnson, and within that folder you have two sub-folders, Word Documents and Spreadsheets (in other words, you’re separating “.doc” files from “.xls” files), then chances are that you’re not optimally organized.  It makes little sense to organize your files based on the program that created them.  Instead, create your sub-folders based on the purpose of the file.  For example, it would make more sense to create sub-folders called Correspondence and Financials.  It may well be that all the files in a given sub-folder are of the same file-type, but this should be more of a coincidence and less of a design feature of your organization system. Tip #12.  Maintain the Same Folder Structure on All Your Computers In other words, whatever organizational system you create, apply it to every computer that you can.  There are several benefits to this: There’s less to remember.  No matter where you are, you always know where to look for your files If you copy or synchronize files from one computer to another, then setting up the synchronization job becomes very simple Shortcuts can be copied or moved from one computer to another with ease (assuming the original files are also copied/moved).  There’s no need to find the target of the shortcut all over again on the second computer Ditto for linked files (e.g Word documents that link to data in a separate Excel file), playlists, and any files that reference the exact file locations of other files. This applies even to the drive that your files are stored on.  If your files are stored on C: on one computer, make sure they’re stored on C: on all your computers.  Otherwise all your shortcuts, playlists and linked files will stop working! Tip #13.  Create an “Inbox” Folder Create yourself a folder where you store all files that you’re currently working on, or that you haven’t gotten around to filing yet.  You can think of this folder as your “to-do” list.  You can call it “Inbox” (making it the same metaphor as your email system), or “Work”, or “To-Do”, or “Scratch”, or whatever name makes sense to you.  It doesn’t matter what you call it – just make sure you have one! Once you have finished working on a file, you then move it from the “Inbox” to its correct location within your organizational structure. You may want to use your Desktop as this “Inbox” folder.  Rightly or wrongly, most people do.  It’s not a bad place to put such files, but be careful:  If you do decide that your Desktop represents your “to-do” list, then make sure that no other files find their way there.  In other words, make sure that your “Inbox”, wherever it is, Desktop or otherwise, is kept free of junk – stray files that don’t belong there. So where should you put this folder, which, almost by definition, lives outside the structure of the rest of your filing system?  Well, first and foremost, it has to be somewhere handy.  This will be one of your most-visited folders, so convenience is key.  Putting it on the Desktop is a great option – especially if you don’t have any other folders on your Desktop:  the folder then becomes supremely easy to find in Windows Explorer: You would then create shortcuts to this folder in convenient spots all over your computer (“Favorite Links”, “Quick Launch”, etc). Tip #14.  Ensure You have Only One “Inbox” Folder Once you’ve created your “Inbox” folder, don’t use any other folder location as your “to-do list”.  Throw every incoming or created file into the Inbox folder as you create/receive it.  This keeps the rest of your computer pristine and free of randomly created or downloaded junk.  The last thing you want to be doing is checking multiple folders to see all your current tasks and projects.  Gather them all together into one folder. Here are some tips to help ensure you only have one Inbox: Set the default “save” location of all your programs to this folder. Set the default “download” location for your browser to this folder. If this folder is not your desktop (recommended) then also see if you can make a point of not putting “to-do” files on your desktop.  This keeps your desktop uncluttered and Zen-like: (the Inbox folder is in the bottom-right corner) Tip #15.  Be Vigilant about Clearing Your “Inbox” Folder This is one of the keys to staying organized.  If you let your “Inbox” overflow (i.e. allow there to be more than, say, 30 files or folders in there), then you’re probably going to start feeling like you’re overwhelmed:  You’re not keeping up with your to-do list.  Once your Inbox gets beyond a certain point (around 30 files, studies have shown), then you’ll simply start to avoid it.  You may continue to put files in there, but you’ll be scared to look at it, fearing the “out of control” feeling that all overworked, chaotic or just plain disorganized people regularly feel. So, here’s what you can do: Visit your Inbox/to-do folder regularly (at least five times per day). Scan the folder regularly for files that you have completed working on and are ready for filing.  File them immediately. Make it a source of pride to keep the number of files in this folder as small as possible.  If you value peace of mind, then make the emptiness of this folder one of your highest (computer) priorities If you know that a particular file has been in the folder for more than, say, six weeks, then admit that you’re not actually going to get around to processing it, and move it to its final resting place. Tip #16.  File Everything Immediately, and Use Shortcuts for Your Active Projects As soon as you create, receive or download a new file, store it away in its “correct” folder immediately.  Then, whenever you need to work on it (possibly straight away), create a shortcut to it in your “Inbox” (“to-do”) folder or your desktop.  That way, all your files are always in their “correct” locations, yet you still have immediate, convenient access to your current, active files.  When you finish working on a file, simply delete the shortcut. Ideally, your “Inbox” folder – and your Desktop – should contain no actual files or folders.  They should simply contain shortcuts. Tip #17.  Use Directory Symbolic Links (or Junctions) to Maintain One Unified Folder Structure Using this tip, we can get around a potential hiccup that we can run into when creating our organizational structure – the issue of having more than one drive on our computer (C:, D:, etc).  We might have files we need to store on the D: drive for space reasons, and yet want to base our organized folder structure on the C: drive (or vice-versa). Your chosen organizational structure may dictate that all your files must be accessed from the C: drive (for example, the root folder of all your files may be something like C:\Files).  And yet you may still have a D: drive and wish to take advantage of the hundreds of spare Gigabytes that it offers.  Did you know that it’s actually possible to store your files on the D: drive and yet access them as if they were on the C: drive?  And no, we’re not talking about shortcuts here (although the concept is very similar). By using the shell command mklink, you can essentially take a folder that lives on one drive and create an alias for it on a different drive (you can do lots more than that with mklink – for a full rundown on this programs capabilities, see our dedicated article).  These aliases are called directory symbolic links (and used to be known as junctions).  You can think of them as “virtual” folders.  They function exactly like regular folders, except they’re physically located somewhere else. For example, you may decide that your entire D: drive contains your complete organizational file structure, but that you need to reference all those files as if they were on the C: drive, under C:\Files.  If that was the case you could create C:\Files as a directory symbolic link – a link to D:, as follows: mklink /d c:\files d:\ Or it may be that the only files you wish to store on the D: drive are your movie collection.  You could locate all your movie files in the root of your D: drive, and then link it to C:\Files\Media\Movies, as follows: mklink /d c:\files\media\movies d:\ (Needless to say, you must run these commands from a command prompt – click the Start button, type cmd and press Enter) Tip #18. Customize Your Folder Icons This is not strictly speaking an organizational tip, but having unique icons for each folder does allow you to more quickly visually identify which folder is which, and thus saves you time when you’re finding files.  An example is below (from my folder that contains all files downloaded from the Internet): To learn how to change your folder icons, please refer to our dedicated article on the subject. Tip #19.  Tidy Your Start Menu The Windows Start Menu is usually one of the messiest parts of any Windows computer.  Every program you install seems to adopt a completely different approach to placing icons in this menu.  Some simply put a single program icon.  Others create a folder based on the name of the software.  And others create a folder based on the name of the software manufacturer.  It’s chaos, and can make it hard to find the software you want to run. Thankfully we can avoid this chaos with useful operating system features like Quick Launch, the Superbar or pinned start menu items. Even so, it would make a lot of sense to get into the guts of the Start Menu itself and give it a good once-over.  All you really need to decide is how you’re going to organize your applications.  A structure based on the purpose of the application is an obvious candidate.  Below is an example of one such structure: In this structure, Utilities means software whose job it is to keep the computer itself running smoothly (configuration tools, backup software, Zip programs, etc).  Applications refers to any productivity software that doesn’t fit under the headings Multimedia, Graphics, Internet, etc. In case you’re not aware, every icon in your Start Menu is a shortcut and can be manipulated like any other shortcut (copied, moved, deleted, etc). With the Windows Start Menu (all version of Windows), Microsoft has decided that there be two parallel folder structures to store your Start Menu shortcuts.  One for you (the logged-in user of the computer) and one for all users of the computer.  Having two parallel structures can often be redundant:  If you are the only user of the computer, then having two parallel structures is totally redundant.  Even if you have several users that regularly log into the computer, most of your installed software will need to be made available to all users, and should thus be moved out of the “just you” version of the Start Menu and into the “all users” area. To take control of your Start Menu, so you can start organizing it, you’ll need to know how to access the actual folders and shortcut files that make up the Start Menu (both versions of it).  To find these folders and files, click the Start button and then right-click on the All Programs text (Windows XP users should right-click on the Start button itself): The Open option refers to the “just you” version of the Start Menu, while the Open All Users option refers to the “all users” version.  Click on the one you want to organize. A Windows Explorer window then opens with your chosen version of the Start Menu selected.  From there it’s easy.  Double-click on the Programs folder and you’ll see all your folders and shortcuts.  Now you can delete/rename/move until it’s just the way you want it. Note:  When you’re reorganizing your Start Menu, you may want to have two Explorer windows open at the same time – one showing the “just you” version and one showing the “all users” version.  You can drag-and-drop between the windows. Tip #20.  Keep Your Start Menu Tidy Once you have a perfectly organized Start Menu, try to be a little vigilant about keeping it that way.  Every time you install a new piece of software, the icons that get created will almost certainly violate your organizational structure. So to keep your Start Menu pristine and organized, make sure you do the following whenever you install a new piece of software: Check whether the software was installed into the “just you” area of the Start Menu, or the “all users” area, and then move it to the correct area. Remove all the unnecessary icons (like the “Read me” icon, the “Help” icon (you can always open the help from within the software itself when it’s running), the “Uninstall” icon, the link(s)to the manufacturer’s website, etc) Rename the main icon(s) of the software to something brief that makes sense to you.  For example, you might like to rename Microsoft Office Word 2010 to simply Word Move the icon(s) into the correct folder based on your Start Menu organizational structure And don’t forget:  when you uninstall a piece of software, the software’s uninstall routine is no longer going to be able to remove the software’s icon from the Start Menu (because you moved and/or renamed it), so you’ll need to remove that icon manually. Tip #21.  Tidy C:\ The root of your C: drive (C:\) is a common dumping ground for files and folders – both by the users of your computer and by the software that you install on your computer.  It can become a mess. There’s almost no software these days that requires itself to be installed in C:\.  99% of the time it can and should be installed into C:\Program Files.  And as for your own files, well, it’s clear that they can (and almost always should) be stored somewhere else. In an ideal world, your C:\ folder should look like this (on Windows 7): Note that there are some system files and folders in C:\ that are usually and deliberately “hidden” (such as the Windows virtual memory file pagefile.sys, the boot loader file bootmgr, and the System Volume Information folder).  Hiding these files and folders is a good idea, as they need to stay where they are and are almost never needed to be opened or even seen by you, the user.  Hiding them prevents you from accidentally messing with them, and enhances your sense of order and well-being when you look at your C: drive folder. Tip #22.  Tidy Your Desktop The Desktop is probably the most abused part of a Windows computer (from an organization point of view).  It usually serves as a dumping ground for all incoming files, as well as holding icons to oft-used applications, plus some regularly opened files and folders.  It often ends up becoming an uncontrolled mess.  See if you can avoid this.  Here’s why… Application icons (Word, Internet Explorer, etc) are often found on the Desktop, but it’s unlikely that this is the optimum place for them.  The “Quick Launch” bar (or the Superbar in Windows 7) is always visible and so represents a perfect location to put your icons.  You’ll only be able to see the icons on your Desktop when all your programs are minimized.  It might be time to get your application icons off your desktop… You may have decided that the Inbox/To-do folder on your computer (see tip #13, above) should be your Desktop.  If so, then enough said.  Simply be vigilant about clearing it and preventing it from being polluted by junk files (see tip #15, above).  On the other hand, if your Desktop is not acting as your “Inbox” folder, then there’s no reason for it to have any data files or folders on it at all, except perhaps a couple of shortcuts to often-opened files and folders (either ongoing or current projects).  Everything else should be moved to your “Inbox” folder. In an ideal world, it might look like this: Tip #23.  Move Permanent Items on Your Desktop Away from the Top-Left Corner When files/folders are dragged onto your desktop in a Windows Explorer window, or when shortcuts are created on your Desktop from Internet Explorer, those icons are always placed in the top-left corner – or as close as they can get.  If you have other files, folders or shortcuts that you keep on the Desktop permanently, then it’s a good idea to separate these permanent icons from the transient ones, so that you can quickly identify which ones the transients are.  An easy way to do this is to move all your permanent icons to the right-hand side of your Desktop.  That should keep them separated from incoming items. Tip #24.  Synchronize If you have more than one computer, you’ll almost certainly want to share files between them.  If the computers are permanently attached to the same local network, then there’s no need to store multiple copies of any one file or folder – shortcuts will suffice.  However, if the computers are not always on the same network, then you will at some point need to copy files between them.  For files that need to permanently live on both computers, the ideal way to do this is to synchronize the files, as opposed to simply copying them. We only have room here to write a brief summary of synchronization, not a full article.  In short, there are several different types of synchronization: Where the contents of one folder are accessible anywhere, such as with Dropbox Where the contents of any number of folders are accessible anywhere, such as with Windows Live Mesh Where any files or folders from anywhere on your computer are synchronized with exactly one other computer, such as with the Windows “Briefcase”, Microsoft SyncToy, or (much more powerful, yet still free) SyncBack from 2BrightSparks.  This only works when both computers are on the same local network, at least temporarily. A great advantage of synchronization solutions is that once you’ve got it configured the way you want it, then the sync process happens automatically, every time.  Click a button (or schedule it to happen automatically) and all your files are automagically put where they’re supposed to be. If you maintain the same file and folder structure on both computers, then you can also sync files depend upon the correct location of other files, like shortcuts, playlists and office documents that link to other office documents, and the synchronized files still work on the other computer! Tip #25.  Hide Files You Never Need to See If you have your files well organized, you will often be able to tell if a file is out of place just by glancing at the contents of a folder (for example, it should be pretty obvious if you look in a folder that contains all the MP3s from one music CD and see a Word document in there).  This is a good thing – it allows you to determine if there are files out of place with a quick glance.  Yet sometimes there are files in a folder that seem out of place but actually need to be there, such as the “folder art” JPEGs in music folders, and various files in the root of the C: drive.  If such files never need to be opened by you, then a good idea is to simply hide them.  Then, the next time you glance at the folder, you won’t have to remember whether that file was supposed to be there or not, because you won’t see it at all! To hide a file, simply right-click on it and choose Properties: Then simply tick the Hidden tick-box:   Tip #26.  Keep Every Setup File These days most software is downloaded from the Internet.  Whenever you download a piece of software, keep it.  You’ll never know when you need to reinstall the software. Further, keep with it an Internet shortcut that links back to the website where you originally downloaded it, in case you ever need to check for updates. See tip #33 below for a full description of the excellence of organizing your setup files. Tip #27.  Try to Minimize the Number of Folders that Contain Both Files and Sub-folders Some of the folders in your organizational structure will contain only files.  Others will contain only sub-folders.  And you will also have some folders that contain both files and sub-folders.  You will notice slight improvements in how long it takes you to locate a file if you try to avoid this third type of folder.  It’s not always possible, of course – you’ll always have some of these folders, but see if you can avoid it. One way of doing this is to take all the leftover files that didn’t end up getting stored in a sub-folder and create a special “Miscellaneous” or “Other” folder for them. Tip #28.  Starting a Filename with an Underscore Brings it to the Top of a List Further to the previous tip, if you name that “Miscellaneous” or “Other” folder in such a way that its name begins with an underscore “_”, then it will appear at the top of the list of files/folders. The screenshot below is an example of this.  Each folder in the list contains a set of digital photos.  The folder at the top of the list, _Misc, contains random photos that didn’t deserve their own dedicated folder: Tip #29.  Clean Up those CD-ROMs and (shudder!) Floppy Disks Have you got a pile of CD-ROMs stacked on a shelf of your office?  Old photos, or files you archived off onto CD-ROM (or even worse, floppy disks!) because you didn’t have enough disk space at the time?  In the meantime have you upgraded your computer and now have 500 Gigabytes of space you don’t know what to do with?  If so, isn’t it time you tidied up that stack of disks and filed them into your gorgeous new folder structure? So what are you waiting for?  Bite the bullet, copy them all back onto your computer, file them in their appropriate folders, and then back the whole lot up onto a shiny new 1000Gig external hard drive! Useful Folders to Create This next section suggests some useful folders that you might want to create within your folder structure.  I’ve personally found them to be indispensable. The first three are all about convenience – handy folders to create and then put somewhere that you can always access instantly.  For each one, it’s not so important where the actual folder is located, but it’s very important where you put the shortcut(s) to the folder.  You might want to locate the shortcuts: On your Desktop In your “Quick Launch” area (or pinned to your Windows 7 Superbar) In your Windows Explorer “Favorite Links” area Tip #30.  Create an “Inbox” (“To-Do”) Folder This has already been mentioned in depth (see tip #13), but we wanted to reiterate its importance here.  This folder contains all the recently created, received or downloaded files that you have not yet had a chance to file away properly, and it also may contain files that you have yet to process.  In effect, it becomes a sort of “to-do list”.  It doesn’t have to be called “Inbox” – you can call it whatever you want. Tip #31.  Create a Folder where Your Current Projects are Collected Rather than going hunting for them all the time, or dumping them all on your desktop, create a special folder where you put links (or work folders) for each of the projects you’re currently working on. You can locate this folder in your “Inbox” folder, on your desktop, or anywhere at all – just so long as there’s a way of getting to it quickly, such as putting a link to it in Windows Explorer’s “Favorite Links” area: Tip #32.  Create a Folder for Files and Folders that You Regularly Open You will always have a few files that you open regularly, whether it be a spreadsheet of your current accounts, or a favorite playlist.  These are not necessarily “current projects”, rather they’re simply files that you always find yourself opening.  Typically such files would be located on your desktop (or even better, shortcuts to those files).  Why not collect all such shortcuts together and put them in their own special folder? As with the “Current Projects” folder (above), you would want to locate that folder somewhere convenient.  Below is an example of a folder called “Quick links”, with about seven files (shortcuts) in it, that is accessible through the Windows Quick Launch bar: See tip #37 below for a full explanation of the power of the Quick Launch bar. Tip #33.  Create a “Set-ups” Folder A typical computer has dozens of applications installed on it.  For each piece of software, there are often many different pieces of information you need to keep track of, including: The original installation setup file(s).  This can be anything from a simple 100Kb setup.exe file you downloaded from a website, all the way up to a 4Gig ISO file that you copied from a DVD-ROM that you purchased. The home page of the software manufacturer (in case you need to look up something on their support pages, their forum or their online help) The page containing the download link for your actual file (in case you need to re-download it, or download an upgraded version) The serial number Your proof-of-purchase documentation Any other template files, plug-ins, themes, etc that also need to get installed For each piece of software, it’s a great idea to gather all of these files together and put them in a single folder.  The folder can be the name of the software (plus possibly a very brief description of what it’s for – in case you can’t remember what the software does based in its name).  Then you would gather all of these folders together into one place, and call it something like “Software” or “Setups”. If you have enough of these folders (I have several hundred, being a geek, collected over 20 years), then you may want to further categorize them.  My own categorization structure is based on “platform” (operating system): The last seven folders each represents one platform/operating system, while _Operating Systems contains set-up files for installing the operating systems themselves.  _Hardware contains ROMs for hardware I own, such as routers. Within the Windows folder (above), you can see the beginnings of the vast library of software I’ve compiled over the years: An example of a typical application folder looks like this: Tip #34.  Have a “Settings” Folder We all know that our documents are important.  So are our photos and music files.  We save all of these files into folders, and then locate them afterwards and double-click on them to open them.  But there are many files that are important to us that can’t be saved into folders, and then searched for and double-clicked later on.  These files certainly contain important information that we need, but are often created internally by an application, and saved wherever that application feels is appropriate. A good example of this is the “PST” file that Outlook creates for us and uses to store all our emails, contacts, appointments and so forth.  Another example would be the collection of Bookmarks that Firefox stores on your behalf. And yet another example would be the customized settings and configuration files of our all our software.  Granted, most Windows programs store their configuration in the Registry, but there are still many programs that use configuration files to store their settings. Imagine if you lost all of the above files!  And yet, when people are backing up their computers, they typically only back up the files they know about – those that are stored in the “My Documents” folder, etc.  If they had a hard disk failure or their computer was lost or stolen, their backup files would not include some of the most vital files they owned.  Also, when migrating to a new computer, it’s vital to ensure that these files make the journey. It can be a very useful idea to create yourself a folder to store all your “settings” – files that are important to you but which you never actually search for by name and double-click on to open them.  Otherwise, next time you go to set up a new computer just the way you want it, you’ll need to spend hours recreating the configuration of your previous computer! So how to we get our important files into this folder?  Well, we have a few options: Some programs (such as Outlook and its PST files) allow you to place these files wherever you want.  If you delve into the program’s options, you will find a setting somewhere that controls the location of the important settings files (or “personal storage” – PST – when it comes to Outlook) Some programs do not allow you to change such locations in any easy way, but if you get into the Registry, you can sometimes find a registry key that refers to the location of the file(s).  Simply move the file into your Settings folder and adjust the registry key to refer to the new location. Some programs stubbornly refuse to allow their settings files to be placed anywhere other then where they stipulate.  When faced with programs like these, you have three choices:  (1) You can ignore those files, (2) You can copy the files into your Settings folder (let’s face it – settings don’t change very often), or (3) you can use synchronization software, such as the Windows Briefcase, to make synchronized copies of all your files in your Settings folder.  All you then have to do is to remember to run your sync software periodically (perhaps just before you run your backup software!). There are some other things you may decide to locate inside this new “Settings” folder: Exports of registry keys (from the many applications that store their configurations in the Registry).  This is useful for backup purposes or for migrating to a new computer Notes you’ve made about all the specific customizations you have made to a particular piece of software (so that you’ll know how to do it all again on your next computer) Shortcuts to webpages that detail how to tweak certain aspects of your operating system or applications so they are just the way you like them (such as how to remove the words “Shortcut to” from the beginning of newly created shortcuts).  In other words, you’d want to create shortcuts to half the pages on the How-To Geek website! Here’s an example of a “Settings” folder: Windows Features that Help with Organization This section details some of the features of Microsoft Windows that are a boon to anyone hoping to stay optimally organized. Tip #35.  Use the “Favorite Links” Area to Access Oft-Used Folders Once you’ve created your great new filing system, work out which folders you access most regularly, or which serve as great starting points for locating the rest of the files in your folder structure, and then put links to those folders in your “Favorite Links” area of the left-hand side of the Windows Explorer window (simply called “Favorites” in Windows 7):   Some ideas for folders you might want to add there include: Your “Inbox” folder (or whatever you’ve called it) – most important! The base of your filing structure (e.g. C:\Files) A folder containing shortcuts to often-accessed folders on other computers around the network (shown above as Network Folders) A folder containing shortcuts to your current projects (unless that folder is in your “Inbox” folder) Getting folders into this area is very simple – just locate the folder you’re interested in and drag it there! Tip #36.  Customize the Places Bar in the File/Open and File/Save Boxes Consider the screenshot below: The highlighted icons (collectively known as the “Places Bar”) can be customized to refer to any folder location you want, allowing instant access to any part of your organizational structure. Note:  These File/Open and File/Save boxes have been superseded by new versions that use the Windows Vista/Windows 7 “Favorite Links”, but the older versions (shown above) are still used by a surprisingly large number of applications. The easiest way to customize these icons is to use the Group Policy Editor, but not everyone has access to this program.  If you do, open it up and navigate to: User Configuration > Administrative Templates > Windows Components > Windows Explorer > Common Open File Dialog If you don’t have access to the Group Policy Editor, then you’ll need to get into the Registry.  Navigate to: HKEY_CURRENT_USER \ Software \ Microsoft  \ Windows \ CurrentVersion \ Policies \ comdlg32 \ Placesbar It should then be easy to make the desired changes.  Log off and log on again to allow the changes to take effect. Tip #37.  Use the Quick Launch Bar as a Application and File Launcher That Quick Launch bar (to the right of the Start button) is a lot more useful than people give it credit for.  Most people simply have half a dozen icons in it, and use it to start just those programs.  But it can actually be used to instantly access just about anything in your filing system: For complete instructions on how to set this up, visit our dedicated article on this topic. Tip #38.  Put a Shortcut to Windows Explorer into Your Quick Launch Bar This is only necessary in Windows Vista and Windows XP.  The Microsoft boffins finally got wise and added it to the Windows 7 Superbar by default. Windows Explorer – the program used for managing your files and folders – is one of the most useful programs in Windows.  Anyone who considers themselves serious about being organized needs instant access to this program at any time.  A great place to create a shortcut to this program is in the Windows XP and Windows Vista “Quick Launch” bar: To get it there, locate it in your Start Menu (usually under “Accessories”) and then right-drag it down into your Quick Launch bar (and create a copy). Tip #39.  Customize the Starting Folder for Your Windows 7 Explorer Superbar Icon If you’re on Windows 7, your Superbar will include a Windows Explorer icon.  Clicking on the icon will launch Windows Explorer (of course), and will start you off in your “Libraries” folder.  Libraries may be fine as a starting point, but if you have created yourself an “Inbox” folder, then it would probably make more sense to start off in this folder every time you launch Windows Explorer. To change this default/starting folder location, then first right-click the Explorer icon in the Superbar, and then right-click Properties:Then, in Target field of the Windows Explorer Properties box that appears, type %windir%\explorer.exe followed by the path of the folder you wish to start in.  For example: %windir%\explorer.exe C:\Files If that folder happened to be on the Desktop (and called, say, “Inbox”), then you would use the following cleverness: %windir%\explorer.exe shell:desktop\Inbox Then click OK and test it out. Tip #40.  Ummmmm…. No, that’s it.  I can’t think of another one.  That’s all of the tips I can come up with.  I only created this one because 40 is such a nice round number… Case Study – An Organized PC To finish off the article, I have included a few screenshots of my (main) computer (running Vista).  The aim here is twofold: To give you a sense of what it looks like when the above, sometimes abstract, tips are applied to a real-life computer, and To offer some ideas about folders and structure that you may want to steal to use on your own PC. Let’s start with the C: drive itself.  Very minimal.  All my files are contained within C:\Files.  I’ll confine the rest of the case study to this folder: That folder contains the following: Mark: My personal files VC: My business (Virtual Creations, Australia) Others contains files created by friends and family Data contains files from the rest of the world (can be thought of as “public” files, usually downloaded from the Net) Settings is described above in tip #34 The Data folder contains the following sub-folders: Audio:  Radio plays, audio books, podcasts, etc Development:  Programmer and developer resources, sample source code, etc (see below) Humour:  Jokes, funnies (those emails that we all receive) Movies:  Downloaded and ripped movies (all legal, of course!), their scripts, DVD covers, etc. Music:  (see below) Setups:  Installation files for software (explained in full in tip #33) System:  (see below) TV:  Downloaded TV shows Writings:  Books, instruction manuals, etc (see below) The Music folder contains the following sub-folders: Album covers:  JPEG scans Guitar tabs:  Text files of guitar sheet music Lists:  e.g. “Top 1000 songs of all time” Lyrics:  Text files MIDI:  Electronic music files MP3 (representing 99% of the Music folder):  MP3s, either ripped from CDs or downloaded, sorted by artist/album name Music Video:  Video clips Sheet Music:  usually PDFs The Data\Writings folder contains the following sub-folders: (all pretty self-explanatory) The Data\Development folder contains the following sub-folders: Again, all pretty self-explanatory (if you’re a geek) The Data\System folder contains the following sub-folders: These are usually themes, plug-ins and other downloadable program-specific resources. The Mark folder contains the following sub-folders: From Others:  Usually letters that other people (friends, family, etc) have written to me For Others:  Letters and other things I have created for other people Green Book:  None of your business Playlists:  M3U files that I have compiled of my favorite songs (plus one M3U playlist file for every album I own) Writing:  Fiction, philosophy and other musings of mine Mark Docs:  Shortcut to C:\Users\Mark Settings:  Shortcut to C:\Files\Settings\Mark The Others folder contains the following sub-folders: The VC (Virtual Creations, my business – I develop websites) folder contains the following sub-folders: And again, all of those are pretty self-explanatory. Conclusion These tips have saved my sanity and helped keep me a productive geek, but what about you? What tips and tricks do you have to keep your files organized?  Please share them with us in the comments.  Come on, don’t be shy… Similar Articles Productive Geek Tips Fix For When Windows Explorer in Vista Stops Showing File NamesWhy Did Windows Vista’s Music Folder Icon Turn Yellow?Print or Create a Text File List of the Contents in a Directory the Easy WayCustomize the Windows 7 or Vista Send To MenuAdd Copy To / Move To on Windows 7 or Vista Right-Click Menu TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Acronis Online Backup DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows Track Daily Goals With 42Goals Video Toolbox is a Superb Online Video Editor Fun with 47 charts and graphs Tomorrow is Mother’s Day Check the Average Speed of YouTube Videos You’ve Watched OutlookStatView Scans and Displays General Usage Statistics

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  • Top 20 Daily Deal Sites In India

    - by Damodhar
    If you have never heard of Groupon recently, you probably are not working in the tech industry because it is all over the blogosphere. After all, growing from zero to US$1.35 billion valuation in 18 months is pretty AMAZING. Inspired by this, the following bunch of Groupon clone’s are already rising in India. Definitely this business model is emerging and changes the way online shopping happens in India. SnapDeal SnapDeal features a Best deals Coupons at an unbeatable price on the best stuff to do, see, eat, and buy in our city. It provides vouchers and discounts in all the major cities like Delhi, Mumbai, Chennai and Bangalore. KhojGuru Exclusive Discount coupons from hundreds of brands and retailers. These discounts can be easily downloaded as an SMS on to the mobile phone or their print out can be taken. MyDala A platform which gets us great deals in our city.Leveraging the “power of group buying”. Group buying happens when like minded people come together to get deals that we can never get on our own as individuals. SoSasta Great place which would not only tell us about the hidden treasures of our city — but also made them affordable to us at the end of the month. DealsAndYou Deals and You is a group buying portal that features a daily deal on the best stuff in some of India’s leading cities. AajKaCatch Its concept is to provide you the most unique, useful and qualitative product at a very low price. So you can now shop without the hassles of clustered products. BindassBargain Bindaas Bargain offers a new deal every day! Great stuff ranging from cool gadgets, home theatres, luxury watches, smash games. MasthiDeals It get you a great deal on a great stuff to do, eat, buy or see in your city. They have a team of about 25 wonderful people working in Chennai office working side by side with folks in MasthiDeal’s other cities. Koovs Founded by a team of IIT alumni who have brought in their expertise from the internet industry. Koovs is a Bangalore based start up and one point solution for all your desires. Taggle It brings you a variety of offers from some of the most respected brands in the country.This website uses collective buying to create a win-win for local businesses and their customers. BuzzInTown Buzzintown.com is a portal owned by Wortal Inc. There are a US headquartered company, with a presence pan-India through their India subsidiary, managed by a vastly experienced set of global leaders from the media, entertainment and technology industries. BuyThePrice It lines up the best win – win deals for both consumers and vendors and also ensures that each of the orders are dispatched in the shortest time possible. 24HoursLoot 24hoursLoot is an online store for selling a new t-shirt (sometime other products) everyday at deep discounted price in limited quantity/stock. DealMagic Customers get exposure to the best their city has to offer, at unbeatable prices (50-90% off).  We never feature more than one business on our website on any given day, so we have to be very very selective on who gets featured. Dealivore ICUMI Technologies Pvt Ltd is the company operating the Dealivore service. Founded in December 2009, ICUMI is privately owned and funded. LootMore An online store that exclusively focuses on selling cool quality stuff at cheap prices. Here you’ll always find the latest and greatest brands at prices you can afford. Foodome The deals features the best coupons at an unbeatable price on restaurants, fine dining on where to spend your birthday party.They provide coupon only in Chennai as of now. Top Online Shopping Sites- Nation Wide ebay.in eBay is The World’s Online Marketplace, enabling trade on a local, national and international basis. With a diverse and passionate community of individuals and small businesses, eBay offers an online platform where millions of items are traded each day. FutureBazzar Future Group, led by its founder and Group CEO, Mr. Kishore Biyani, is one of India’s leading business houses with multiple businesses spanning across the consumption space. TradeUs Launched in July 2009 and in a short span of time it has turned into one of India’s foremost shopping portals setting the Indian e-commerce abode aflame. BigShoeBazzar (BSB) is the largest online authorized shoe store in South Asia. Croma Promoted by Infiniti Retail Ltd, a 100% subsidiary of Tata Sons.One of the world’s leading retailers, ensuring that you buy nothing but the best. This article titled,Top 20 Daily Deal Sites In India, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • MVC Portable Areas Enhancement &ndash; Embedded Resource Controller

    - by Steve Michelotti
    MvcContrib contains a feature called Portable Areas which I’ve recently blogged about. In short, portable areas provide a way to distribute MVC binary components as simple .NET assemblies where the aspx/ascx files are actually compiled into the assembly as embedded resources. This is an extremely cool feature but once you start building robust portable areas, you’ll also want to be able to access other external files like css and javascript.  After my recent post suggesting portable areas be expanded to include other embedded resources, Eric Hexter asked me if I’d like to contribute the code to MvcContrib (which of course I did!). Embedded resources are stored in a case-sensitive way in .NET assemblies and the existing embedded view engine inside MvcContrib already took this into account. Obviously, we’d want the same case sensitivity handling to be taken into account for any embedded resource so my job consisted of 1) adding the Embedded Resource Controller, and 2) a little refactor to extract the logic that deals with embedded resources so that the embedded view engine and the embedded resource controller could both leverage it and, therefore, keep the code DRY. The embedded resource controller targets these scenarios: External image files that are referenced in an <img> tag External files referenced like css or JavaScript files Image files referenced inside css files Embedded Resources Walkthrough This post will describe a walkthrough of using the embedded resource controller in your portable areas to include the scenarios outlined above. I will build a trivial “Quick Links” widget to illustrate the concepts. The portable area registration is the starting point for all portable areas. The MvcContrib.PortableAreas.EmbeddedResourceController is optional functionality – you must opt-in if you want to use it.  To do this, you simply “register” it by providing a route in your area registration that uses it like this: 1: context.MapRoute("ResourceRoute", "quicklinks/resource/{resourceName}", 2: new { controller = "EmbeddedResource", action = "Index" }, 3: new string[] { "MvcContrib.PortableAreas" }); First, notice that I can specify any route I want (e.g., “quicklinks/resources/…”).  Second, notice that I need to include the “MvcContrib.PortableAreas” namespace as the fourth parameter so that the framework is able to find the EmbeddedResourceController at runtime. The handling of embedded views and embedded resources have now been merged.  Therefore, the call to: 1: RegisterTheViewsInTheEmmeddedViewEngine(GetType()); has now been removed (breaking change).  It has been replaced with: 1: RegisterAreaEmbeddedResources(); Other than that, the portable area registration remains unchanged. The solution structure for the static files in my portable area looks like this: I’ve got a css file in a folder called “Content” as well as a couple of image files in a folder called “images”. To reference these in my aspx/ascx code, all of have to do is this: 1: <link href="<%= Url.Resource("Content.QuickLinks.css") %>" rel="stylesheet" type="text/css" /> 2: <img src="<%= Url.Resource("images.globe.png") %>" /> This results in the following HTML mark up: 1: <link href="/quicklinks/resource/Content.QuickLinks.css" rel="stylesheet" type="text/css" /> 2: <img src="/quicklinks/resource/images.globe.png" /> The Url.Resource() method is now included in MvcContrib as well. Make sure you import the “MvcContrib” namespace in your views. Next, I have to following html to render the quick links: 1: <ul class="links"> 2: <li><a href="http://www.google.com">Google</a></li> 3: <li><a href="http://www.bing.com">Bing</a></li> 4: <li><a href="http://www.yahoo.com">Yahoo</a></li> 5: </ul> Notice the <ul> tag has a class called “links”. This is defined inside my QuickLinks.css file and looks like this: 1: ul.links li 2: { 3: background: url(/quicklinks/resource/images.navigation.png) left 4px no-repeat; 4: padding-left: 20px; 5: margin-bottom: 4px; 6: } On line 3 we’re able to refer to the url for the background property. As a final note, although we already have complete control over the location of the embedded resources inside the assembly, what if we also want control over the physical URL routes as well. This point was raised by John Nelson in this post. This has been taken into account as well. For example, suppose you want your physical url to look like this: 1: <img src="/quicklinks/images/globe.png" /> instead of the same corresponding URL shown above (i.e., “/quicklinks/resources/images.globe.png”). You can do this easily by specifying another route for it which includes a “resourcePath” parameter that is pre-pended. Here is the complete code for the area registration with the custom route for the images shown on lines 9-11: 1: public class QuickLinksRegistration : PortableAreaRegistration 2: { 3: public override void RegisterArea(System.Web.Mvc.AreaRegistrationContext context, IApplicationBus bus) 4: { 5: context.MapRoute("ResourceRoute", "quicklinks/resource/{resourceName}", 6: new { controller = "EmbeddedResource", action = "Index" }, 7: new string[] { "MvcContrib.PortableAreas" }); 8:   9: context.MapRoute("ResourceImageRoute", "quicklinks/images/{resourceName}", 10: new { controller = "EmbeddedResource", action = "Index", resourcePath = "images" }, 11: new string[] { "MvcContrib.PortableAreas" }); 12:   13: context.MapRoute("quicklink", "quicklinks/{controller}/{action}", 14: new {controller = "links", action = "index"}); 15:   16: this.RegisterAreaEmbeddedResources(); 17: } 18:   19: public override string AreaName 20: { 21: get 22: { 23: return "QuickLinks"; 24: } 25: } 26: } The Quick Links portable area results in the following requests (including custom route formats): The complete code for this post is now included in the Portable Areas sample solution in the latest MvcContrib source code. You can get the latest code now.  Portable Areas open up exciting new possibilities for MVC development!

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  • C#: System.Lazy&lt;T&gt; and the Singleton Design Pattern

    - by James Michael Hare
    So we've all coded a Singleton at one time or another.  It's a really simple pattern and can be a slightly more elegant alternative to global variables.  Make no mistake, Singletons can be abused and are often over-used -- but occasionally you find a Singleton is the most elegant solution. For those of you not familiar with a Singleton, the basic Design Pattern is that a Singleton class is one where there is only ever one instance of the class created.  This means that constructors must be private to avoid users creating their own instances, and a static property (or method in languages without properties) is defined that returns a single static instance. 1: public class Singleton 2: { 3: // the single instance is defined in a static field 4: private static readonly Singleton _instance = new Singleton(); 5:  6: // constructor private so users can't instantiate on their own 7: private Singleton() 8: { 9: } 10:  11: // read-only property that returns the static field 12: public static Singleton Instance 13: { 14: get 15: { 16: return _instance; 17: } 18: } 19: } This is the most basic singleton, notice the key features: Static readonly field that contains the one and only instance. Constructor is private so it can only be called by the class itself. Static property that returns the single instance. Looks like it satisfies, right?  There's just one (potential) problem.  C# gives you no guarantee of when the static field _instance will be created.  This is because the C# standard simply states that classes (which are marked in the IL as BeforeFieldInit) can have their static fields initialized any time before the field is accessed.  This means that they may be initialized on first use, they may be initialized at some other time before, you can't be sure when. So what if you want to guarantee your instance is truly lazy.  That is, that it is only created on first call to Instance?  Well, there's a few ways to do this.  First we'll show the old ways, and then talk about how .Net 4.0's new System.Lazy<T> type can help make the lazy-Singleton cleaner. Obviously, we could take on the lazy construction ourselves, but being that our Singleton may be accessed by many different threads, we'd need to lock it down. 1: public class LazySingleton1 2: { 3: // lock for thread-safety laziness 4: private static readonly object _mutex = new object(); 5:  6: // static field to hold single instance 7: private static LazySingleton1 _instance = null; 8:  9: // property that does some locking and then creates on first call 10: public static LazySingleton1 Instance 11: { 12: get 13: { 14: if (_instance == null) 15: { 16: lock (_mutex) 17: { 18: if (_instance == null) 19: { 20: _instance = new LazySingleton1(); 21: } 22: } 23: } 24:  25: return _instance; 26: } 27: } 28:  29: private LazySingleton1() 30: { 31: } 32: } This is a standard double-check algorithm so that you don't lock if the instance has already been created.  However, because it's possible two threads can go through the first if at the same time the first time back in, you need to check again after the lock is acquired to avoid creating two instances. Pretty straightforward, but ugly as all heck.  Well, you could also take advantage of the C# standard's BeforeFieldInit and define your class with a static constructor.  It need not have a body, just the presence of the static constructor will remove the BeforeFieldInit attribute on the class and guarantee that no fields are initialized until the first static field, property, or method is called.   1: public class LazySingleton2 2: { 3: // because of the static constructor, this won't get created until first use 4: private static readonly LazySingleton2 _instance = new LazySingleton2(); 5:  6: // Returns the singleton instance using lazy-instantiation 7: public static LazySingleton2 Instance 8: { 9: get { return _instance; } 10: } 11:  12: // private to prevent direct instantiation 13: private LazySingleton2() 14: { 15: } 16:  17: // removes BeforeFieldInit on class so static fields not 18: // initialized before they are used 19: static LazySingleton2() 20: { 21: } 22: } Now, while this works perfectly, I hate it.  Why?  Because it's relying on a non-obvious trick of the IL to guarantee laziness.  Just looking at this code, you'd have no idea that it's doing what it's doing.  Worse yet, you may decide that the empty static constructor serves no purpose and delete it (which removes your lazy guarantee).  Worse-worse yet, they may alter the rules around BeforeFieldInit in the future which could change this. So, what do I propose instead?  .Net 4.0 adds the System.Lazy type which guarantees thread-safe lazy-construction.  Using System.Lazy<T>, we get: 1: public class LazySingleton3 2: { 3: // static holder for instance, need to use lambda to construct since constructor private 4: private static readonly Lazy<LazySingleton3> _instance 5: = new Lazy<LazySingleton3>(() => new LazySingleton3()); 6:  7: // private to prevent direct instantiation. 8: private LazySingleton3() 9: { 10: } 11:  12: // accessor for instance 13: public static LazySingleton3 Instance 14: { 15: get 16: { 17: return _instance.Value; 18: } 19: } 20: } Note, you need your lambda to call the private constructor as Lazy's default constructor can only call public constructors of the type passed in (which we can't have by definition of a Singleton).  But, because the lambda is defined inside our type, it has access to the private members so it's perfect. Note how the Lazy<T> makes it obvious what you're doing (lazy construction), instead of relying on an IL generation side-effect.  This way, it's more maintainable.  Lazy<T> has many other uses as well, obviously, but I really love how elegant and readable it makes the lazy Singleton.

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  • Please help rails problem with stringify_keys error

    - by richard moss
    I have been trying to solve this for ages and can't figure it out. I have a form like so (taking out a lot of other fields) <% form_for @machine_enquiry, machine_enquiry_path(@machine_enquiry) do|me_form| %> <% me_form.fields_for :messages_attributes do |f| %> <%= f.text_field :title -%> <% end %> <%= me_form.submit 'Send message' %> <% end %> And an update action like @machine_enquiry = MachineEnquiry.find(params[:id]) @machine_enquiry.update_attributes(params[:machine_enquiry] And a machine_enquiry class like so: class MachineEnquiry < ActiveRecord::Base has_many :messages, :as => :messagable, :dependent => :destroy accepts_nested_attributes_for :messages end I am getting an error like so: NoMethodError in Machine enquiriesController#update undefined method `stringify_keys' for "2":String RAILS_ROOT: C:/INSTAN~2/rails_apps/Macrotec28th Application Trace | Framework Trace | Full Trace C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:294:in `assign_nested_attributes_for_collection_association' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:293:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:293:in `assign_nested_attributes_for_collection_association' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:215:in `messages_attributes=' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2745:in `send' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2745:in `attributes=' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2741:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2741:in `attributes=' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2627:in `update_attributes' C:/INSTAN~2/rails_apps/Macrotec28th/app/controllers/machine_enquiries_controller.rb:74:in `update' C:/INSTAN~2/rails_apps/Macrotec28th/app/controllers/machine_enquiries_controller.rb:72:in `update' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:294:in `assign_nested_attributes_for_collection_association' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:293:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:293:in `assign_nested_attributes_for_collection_association' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:215:in `messages_attributes=' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2745:in `send' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2745:in `attributes=' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2741:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2741:in `attributes=' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2627:in `update_attributes' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/mime_responds.rb:106:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/mime_responds.rb:106:in `respond_to' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:1322:in `send' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:1322:in `perform_action_without_filters' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/filters.rb:617:in `call_filters' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/filters.rb:610:in `perform_action_without_benchmark' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/core_ext/benchmark.rb:17:in `ms' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/core_ext/benchmark.rb:10:in `realtime' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/core_ext/benchmark.rb:17:in `ms' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/rescue.rb:160:in `perform_action_without_flash' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/flash.rb:141:in `perform_action' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:523:in `send' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:523:in `process_without_filters' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/filters.rb:606:in `process' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:391:in `process' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:386:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/routing/route_set.rb:433:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:88:in `dispatch' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:111:in `_call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:82:in `initialize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/query_cache.rb:29:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/query_cache.rb:29:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/query_cache.rb:9:in `cache' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/query_cache.rb:28:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/head.rb:9:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/methodoverride.rb:24:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/params_parser.rb:15:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/rewindable_input.rb:25:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/session/cookie_store.rb:93:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/reloader.rb:9:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/failsafe.rb:11:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/lock.rb:11:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/lock.rb:11:in `synchronize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/lock.rb:11:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:106:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/cgi_process.rb:44:in `dispatch_cgi' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:102:in `dispatch_cgi' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:28:in `dispatch' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/rails.rb:76:in `process' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/rails.rb:74:in `synchronize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/rails.rb:74:in `process' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:159:in `process_client' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:158:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:158:in `process_client' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:285:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:285:in `initialize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:285:in `new' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:285:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:268:in `initialize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:268:in `new' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:268:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/configurator.rb:282:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/configurator.rb:281:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/configurator.rb:281:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/bin/mongrel_rails:128:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/command.rb:212:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/bin/mongrel_rails:281 C:/INSTAN~2/ruby/bin/mongrel_rails:19:in `load' C:/INSTAN~2/ruby/bin/mongrel_rails:19 C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:294:in `assign_nested_attributes_for_collection_association' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:293:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:293:in `assign_nested_attributes_for_collection_association' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/nested_attributes.rb:215:in `messages_attributes=' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2745:in `send' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2745:in `attributes=' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2741:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2741:in `attributes=' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/base.rb:2627:in `update_attributes' C:/INSTAN~2/rails_apps/Macrotec28th/app/controllers/machine_enquiries_controller.rb:74:in `update' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/mime_responds.rb:106:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/mime_responds.rb:106:in `respond_to' C:/INSTAN~2/rails_apps/Macrotec28th/app/controllers/machine_enquiries_controller.rb:72:in `update' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:1322:in `send' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:1322:in `perform_action_without_filters' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/filters.rb:617:in `call_filters' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/filters.rb:610:in `perform_action_without_benchmark' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/core_ext/benchmark.rb:17:in `ms' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/core_ext/benchmark.rb:10:in `realtime' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/core_ext/benchmark.rb:17:in `ms' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/rescue.rb:160:in `perform_action_without_flash' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/flash.rb:141:in `perform_action' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:523:in `send' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:523:in `process_without_filters' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/filters.rb:606:in `process' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:391:in `process' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/base.rb:386:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/routing/route_set.rb:433:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:88:in `dispatch' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:111:in `_call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:82:in `initialize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/query_cache.rb:29:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/query_cache.rb:29:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/query_cache.rb:9:in `cache' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/query_cache.rb:28:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/head.rb:9:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/methodoverride.rb:24:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/params_parser.rb:15:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/rewindable_input.rb:25:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/session/cookie_store.rb:93:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/reloader.rb:9:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/failsafe.rb:11:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/lock.rb:11:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/lock.rb:11:in `synchronize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/vendor/rack-1.0/rack/lock.rb:11:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:106:in `call' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/cgi_process.rb:44:in `dispatch_cgi' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:102:in `dispatch_cgi' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/dispatcher.rb:28:in `dispatch' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/rails.rb:76:in `process' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/rails.rb:74:in `synchronize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/rails.rb:74:in `process' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:159:in `process_client' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:158:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:158:in `process_client' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:285:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:285:in `initialize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:285:in `new' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:285:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:268:in `initialize' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:268:in `new' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel.rb:268:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/configurator.rb:282:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/configurator.rb:281:in `each' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/configurator.rb:281:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/bin/mongrel_rails:128:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/lib/mongrel/command.rb:212:in `run' C:/INSTAN~2/ruby/lib/ruby/gems/1.8/gems/mongrel-1.1.2-x86-mswin32/bin/mongrel_rails:281 C:/INSTAN~2/ruby/bin/mongrel_rails:19:in `load' C:/INSTAN~2/ruby/bin/mongrel_rails:19 Request Parameters: {"commit"=>"Send message", "_method"=>"put", "machine_enquiry"=>{"messages_attributes"=>{"message"=>"2", "title"=>"1", "message_type_id"=>"1", "contact_detail_ids"=>["1", "11"]}}, "id"=>"2", "datetime"=>""} Why am I getting this error? Can anyone help with this?

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  • Database model for keeping track of likes/shares/comments on blog posts over time

    - by gage
    My goal is to keep track of the popular posts on different blog sites based on social network activity at any given time. The goal is not to simply get the most popular now, but instead find posts that are popular compared to other posts on the same blog. For example, I follow a tech blog, a sports blog, and a gossip blog. The tech blog gets waaay more readership than the other two blogs, so in raw numbers every post on the tech blog will always out number views on the other two. So lets say the average tech blog post gets 500 facebook likes and the other two get an average of 50 likes per post. Then when there is a sports blog post that has 200 fb likes and a gossip blog post with 300 while the tech blog posts today have 500 likes I want to highlight the sports and gossip blog posts (more likes than average vs tech blog with more # of likes but just average for the blog) The approach I am thinking of taking is to make an entry in a database for each blog post. Every x minutes (say every 15 minutes) I will check how many likes/shares/comments an entry has received on all the social networks (facebook, twitter, google+, linkeIn). So over time there will be a history of likes for each blog post, i.e post 1234 after 15 min: 10 fb likes, 4 tweets, 6 g+ after 30 min: 15 fb likes, 15 tweets, 10 g+ ... ... after 48 hours: 200 fb likes, 25 tweets, 15 g+ By keeping a history like this for each blog post I can know the average number of likes/shares/tweets at any give time interval. So for example the average number of fb likes for all blog posts 48hrs after posting is 50, and a particular post has 200 I can mark that as a popular post and feature/highlight it. A consideration in the design is to be able to easily query the values (likes/shares) for a specific time-frame, i.e. fb likes after 30min or tweets after 24 hrs in-order to compute averages with which to compare against (or should averages be stored in it's own table?) If this approach is flawed or could use improvement please let me know, but it is not my main question. My main question is what should a database scheme for storing this info look like? Assuming that the above approach is taken I am trying to figure out what a database schema for storing the likes over time would look like. I am brand new to databases, in doing some basic reading I see that it is advisable to make a 3NF database. I have come up with the following possible schema. Schema 1 DB Popular Posts Table: Post post_id ( primary key(pk) ) url title Table: Social Activity activity_id (pk) url (fk) type (i.e. facebook,twitter,g+) value timestamp This was my initial instinct (base on my very limited db knowledge). As far as I under stand this schema would be 3NF? I searched for designs of similar database model, and found this question on stackoverflow, http://stackoverflow.com/questions/11216080/data-structure-for-storing-height-and-weight-etc-over-time-for-multiple-users . The scenario in that question is similar (recording weight/height of users overtime). Taking the accepted answer for that question and applying it to my model results in something like: Schema 2 (same as above, but break down the social activity into 2 tables) DB Popular Posts Table: Post post_id (pk) url title Table: Social Measurement measurement_id (pk) post_id (fk) timestamp Table: Social stat stat_id (pk) measurement_id (fk) type (i.e. facebook,twitter,g+) value The advantage I see in schema 2 is that I will likely want to access all the values for a given time, i.e. when making a measurement at 30min after a post is published I will simultaneous check number of fb likes, fb shares, fb comments, tweets, g+, linkedIn. So with this schema it may be easier get get all stats for a measurement_id corresponding to a certain time, i.e. all social stats for post 1234 at time x. Another thought I had is since it doesn't make sense to compare number of fb likes with number of tweets or g+ shares, maybe it makes sense to separate each social measurement into it's own table? Schema 3 DB Popular Posts Table: Post post_id (pk) url title Table: fb_likes fb_like_id (pk) post_id (fk) timestamp value Table: fb_shares fb_shares_id (pk) post_id (fk) timestamp value Table: tweets tweets__id (pk) post_id (fk) timestamp value Table: google_plus google_plus_id (pk) post_id (fk) timestamp value As you can see I am generally lost/unsure of what approach to take. I'm sure this typical type of database problem (storing measurements overtime, i.e temperature statistic) that must have a common solution. Is there a design pattern/model for this, does it have a name? I tried searching for "database periodic data collection" or "database measurements over time" but didn't find anything specific. What would be an appropriate model to solve the needs of this problem?

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  • Error "exit signal Bus error (7)" How to continue after making a backtrace?

    - by Mikel
    I have a Centos Server in 1and1 with Apache, Magento, MagentoBooster and Xcache installed. The server usually (1-8 times per day) prints this error "exit signal Bus error (7)" and sometimes this causes Apache not to respond. I have made a backtrace with GDB, but I don't know how to continue. gdb /usr/sbin/httpd core.XXXX --batch --quiet -ex "thread apply all bt full" backtrace.log The backtrace: [New Thread 15312] [Thread debugging using libthread_db enabled] Core was generated by `/usr/sbin/httpd'. Program terminated with signal 7, Bus error. #0 0x00002abcf6c7324e in memcpy () from /lib64/libc.so.6 Thread 1 (Thread 0x2abcf8c72300 (LWP 15312)): #0 0x00002abcf6c7324e in memcpy () from /lib64/libc.so.6 No symbol table info available. #1 0x00002abd02e6b9c7 in ?? () from /usr/lib64/php/modules//php_ioncube_loader_lin_5.2_x86_64.so No symbol table info available. #2 0x00002abd02ed4d47 in _zval_dup () from /usr/lib64/php/modules//php_ioncube_loader_lin_5.2_x86_64.so No symbol table info available. #3 0x00002abd02ecdffb in ?? () from /usr/lib64/php/modules//php_ioncube_loader_lin_5.2_x86_64.so No symbol table info available. #4 0x00002abd02c32636 in xc_compile_file (h=0x7fffc3e7e4f0, type=2) at /opt/xcache-1.3.2-rc1/xcache.c:1060 __orig_bailout = 0x7fffc3e88f10 __bailout = {{__jmpbuf = {46991244125792, 3379122525071325456, 46991369192208, 140736480142576, 140736480142656, 46991244125792, 3379207471940512272, 3379122524988693332}, __mask_was_saved = 0, __saved_mask = {__val = {46991369228841, 46991369206800, 46991369195208, 46991382361728, 46991369196536, 46991369206984, 46991369210744, 0, 46991240130544, 140733193388033, 0, 140736480142296, 46991240361284, 46991369207528, 46991369232128, 3}}}} sandbox = {alloc = 0, filename = 0x2abd078dd0e0 "/var/www/vhosts/DOMAIN/httpdocs/var/ait_rewrite/67b58abff9e6bd7b400bb2fc1903bf2f.php", orig_included_files = {nTableSize = 256, nTableMask = 255, nNumOfElements = 191, nNextFreeElement = 0, pInternalPointer = 0x2abcf4da53d0, pListHead = 0x2abcf4da53d0, pListTail = 0x2abd07dfeb28, arBuckets = 0x2abd0896d690, pDestructor = 0, persistent = 0 '\000', nApplyCount = 0 '\000', bApplyProtection = 1 '\001'}, tmp_included_files = 0x2abd0069e830, orig_zend_constants = 0x2abd0d630b60, tmp_zend_constants = {nTableSize = 2048, nTableMask = 2047, nNumOfElements = 1559, nNextFreeElement = 0, pInternalPointer = 0x2abd08283760, pListHead = 0x2abd08283760, pListTail = 0x2abd08320810, arBuckets = 0x2abd08302aa0, pDestructor = 0x2abd02c34850 <xc_free_zend_constant>, persistent = 1 '\001', nApplyCount = 0 '\000', bApplyProtection = 1 '\001'}, orig_function_table = 0x2abd0d61f340, orig_class_table = 0x2abd0d61f2b0, orig_auto_globals = 0x2abd0d618910, tmp_function_table = {nTableSize = 2048, nTableMask = 2047, nNumOfElements = 1555, nNextFreeElement = 0, pInternalPointer = 0x2abd08320ce0, pListHead = 0x2abd08320ce0, pListTail = 0x2abd0933fe60, arBuckets = 0x2abd079c8500, pDestructor = 0x2abd0033e1d0 <zend_function_dtor>, persistent = 1 '\001', nApplyCount = 0 '\000', bApplyProtection = 0 '\000'}, tmp_class_table = { nTableSize = 16, nTableMask = 15, nNumOfElements = 0, nNextFreeElement = 0, pInternalPointer = 0x0, pListHead = 0x0, pListTail = 0x0, arBuckets = 0x2abd079dbf60, pDestructor = 0x2abd0033dcf0 <destroy_zend_class>, persistent = 1 '\001', nApplyCount = 0 '\000', bApplyProtection = 0 '\000'}, tmp_auto_globals = {nTableSize = 16, nTableMask = 15, nNumOfElements = 9, nNextFreeElement = 0, pInternalPointer = 0x2abd0933ffc0, pListHead = 0x2abd0933ffc0, pListTail = 0x2abd093403e0, arBuckets = 0x2abd09340470, pDestructor = 0, persistent = 1 '\001', nApplyCount = 0 '\000', bApplyProtection = 0 '\000'}, tmp_internal_constant_tail = 0x2abd08320810, tmp_internal_function_tail = 0x2abd0933fe60, tmp_internal_class_tail = 0x0, orig_user_error_handler_error_reporting = 8191} op_array = <value optimized out> xce = {type = XC_TYPE_PHP, hvalue = 2460, next = 0x2abd0d939e60, cache = 0x2abd0d90b038, size = 10, refcount = 46991369191320, hits = 4, ctime = 46991362335072, atime = 8, dtime = 46991240673248, ttl = 46991369192096, name = {lval = 46991363920096, dval = 2.3216818564143281e-310, str = { val = 0x2abd078dd0e0 "/var/www/vhosts/DOMAIN/httpdocs/var/ait_rewrite/67b58abff9e6bd7b400bb2fc1903bf2f.php", len = 107}, ht = 0x2abd078dd0e0, obj = {handle = 126734560, handlers = 0x2abd0000006b}}, data = {php = 0x7fffc3e7e440, var = 0x7fffc3e7e440}, have_references = 0 '\000'} stored_xce = 0x0 php = {sourcesize = 8947, device = 64769, inode = 9907963, mtime = 1353055102, op_array = 0x2abd00344004, constinfo_cnt = 1, constinfos = 0x0, funcinfo_cnt = 132120232, funcinfos = 0x8, classinfo_cnt = 8, classinfos = 0x0, have_early_binding = 168 '\250', autoglobal_cnt = 10941, autoglobals = 0x8} cache = 0x2abd0d90b038 catched = <value optimized out> filename = <value optimized out> opened_path_buffer = "\000\000\000\000\000\000\000\000I\032\065\000\275*\000\000\300\347i\000\275*\000\000\001\000\000\000\000\000\000\000\377\377\377\377\000\000\000\000\000\000\000\000\003\000\000\000[\337\227\337,\002pr\n\000\000\000\000\000\000\000P\323\347\303\377\177\000\000\357\367\220\b\275*\000\000\243\002M\a\275*\000\000\005", '\000' <repeats 15 times>"\357, \367\220\b\275*\000\000\244\002M\a\275*\000\000Du0\000\275*\000\000\b\000\000\000\000\000\000\000\232b=\365\000\000\000\000\002\000\000\000\377\177\000\000\005\000\000\000\275*\000\000\220\322\347\303\377\177\000\000\000\020\000\000\000\000\000\000,\324\347\303\377\177\000\000`\321\347\303^", '\000' <repeats 27 times>, "\f\000\000 \001", '\000' <repeats 11 times>"\260, \322\347\303", '\000' <repeats 12 times>, "P\323\347\303\377\177\000\000x\225\332\364\004\000\000\000\001\000\000\000\031\000\000\000\300\331\336\a\275*\000\000\300\331\336\a\275*\000\000"... old_constinfo_cnt = 1559 old_funcinfo_cnt = 1555 old_classinfo_cnt = 0 #5 0x00002abd003290bf in compile_filename () from /etc/httpd/modules/libphp5.so No symbol table info available. #6 0x00002abd00398ded in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #7 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #8 0x00002abd0033b796 in zend_call_function () from /etc/httpd/modules/libphp5.so No symbol table info available. #9 0x00002abd0035b1e1 in zend_call_method () from /etc/httpd/modules/libphp5.so No symbol table info available. #10 0x00002abd00273bf4 in zif_spl_autoload_call () from /etc/httpd/modules/libphp5.so No symbol table info available. #11 0x00002abd0033b945 in zend_call_function () from /etc/httpd/modules/libphp5.so No symbol table info available. #12 0x00002abd0033c51e in zend_lookup_class_ex () from /etc/httpd/modules/libphp5.so No symbol table info available. #13 0x00002abd0033c728 in zend_fetch_class () from /etc/httpd/modules/libphp5.so No symbol table info available. #14 0x00002abd003a61ab in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #15 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #16 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #17 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #18 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #19 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #20 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #21 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #22 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #23 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #24 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #25 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #26 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #27 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #28 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #29 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #30 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #31 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #32 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #33 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #34 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #35 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #36 0x00002abd00366b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #37 0x00002abd0036628c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #38 0x00002abd00346943 in zend_execute_scripts () from /etc/httpd/modules/libphp5.so No symbol table info available. #39 0x00002abd00306898 in php_execute_script () from /etc/httpd/modules/libphp5.so No symbol table info available. #40 0x00002abd003cb09d in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #41 0x00002abcf4cfca0a in ap_run_handler () No symbol table info available. #42 0x00002abcf4cffe98 in ap_invoke_handler () No symbol table info available. #43 0x00002abcf4d0a74a in ap_internal_redirect () No symbol table info available. #44 0x00002abcfdb45bf0 in ap_make_dirstr_parent () from /etc/httpd/modules/mod_rewrite.so No symbol table info available. #45 0x00002abcf4cfca0a in ap_run_handler () No symbol table info available. #46 0x00002abcf4cffe98 in ap_invoke_handler () No symbol table info available. #47 0x00002abcf4d0a8f8 in ap_process_request () No symbol table info available. #48 0x00002abcf4d07b30 in ?? () No symbol table info available. #49 0x00002abcf4d03c92 in ap_run_process_connection () No symbol table info available. #50 0x00002abcf4d0e7a9 in ?? () No symbol table info available. #51 0x00002abcf4d0ea3a in ?? () No symbol table info available. #52 0x00002abcf4d0f29d in ap_mpm_run () No symbol table info available. #53 0x00002abcf4ce9e48 in main () No symbol table info available. Can anyone help me? ADITIONAL INFO php -v PHP 5.2.10 (cli) (built: Nov 13 2009 11:44:05) Copyright (c) 1997-2009 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2009 Zend Technologies with XCache v1.3.2-rc1, Copyright (c) 2005-2011, by mOo with the ionCube PHP Loader v3.1.28, Copyright (c) 2002-2007, by ionCube Ltd. httpd -v Server version: Apache/2.2.3 Server built: May 4 2011 06:51:15 Apache modules: core prefork http_core mod_so mod_auth_basic mod_auth_digest mod_authn_file mod_authn_alias mod_authn_anon mod_authn_dbm mod_authn_default mod_authz_host mod_authz_user mod_authz_owner mod_authz_groupfile mod_authz_dbm mod_authz_default util_ldap mod_authnz_ldap mod_include mod_log_config mod_logio mod_env mod_ext_filter mod_mime_magic mod_expires mod_deflate mod_headers mod_usertrack mod_setenvif mod_mime mod_dav mod_status mod_autoindex mod_info mod_dav_fs mod_vhost_alias mod_negotiation mod_dir mod_actions mod_speling mod_userdir mod_alias mod_rewrite mod_proxy mod_proxy_balancer mod_proxy_ftp mod_proxy_http mod_proxy_connect mod_cache mod_suexec mod_disk_cache mod_file_cache mod_mem_cache mod_cgi mod_version mod_fcgid mod_perl mod_php5 mod_proxy_ajp mod_python mod_ssl Aditional modules: dbase ionCube Loader sysvsem sysvshm EDIT (November 18) I have disabled some suspicious modules and the error persist. The new backtrace: [New Thread 12403] [Thread debugging using libthread_db enabled] Core was generated by `/usr/sbin/httpd'. Program terminated with signal 7, Bus error. #0 0x00002b0c5754a24e in memcpy () from /lib64/libc.so.6 Thread 1 (Thread 0x2b0c59549300 (LWP 12403)): #0 0x00002b0c5754a24e in memcpy () from /lib64/libc.so.6 No symbol table info available. #1 0x00002b0c558519c7 in ?? () from /usr/lib64/php/modules//php_ioncube_loader_lin_5.2_x86_64.so No symbol table info available. #2 0x00002b0c558bad47 in _zval_dup () from /usr/lib64/php/modules//php_ioncube_loader_lin_5.2_x86_64.so No symbol table info available. #3 0x00002b0c558b3ffb in ?? () from /usr/lib64/php/modules//php_ioncube_loader_lin_5.2_x86_64.so No symbol table info available. #4 0x00002b0c60d650bf in compile_filename () from /etc/httpd/modules/libphp5.so No symbol table info available. #5 0x00002b0c60dd4ded in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #6 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #7 0x00002b0c60d77796 in zend_call_function () from /etc/httpd/modules/libphp5.so No symbol table info available. #8 0x00002b0c60d971e1 in zend_call_method () from /etc/httpd/modules/libphp5.so No symbol table info available. #9 0x00002b0c60cafbf4 in zif_spl_autoload_call () from /etc/httpd/modules/libphp5.so No symbol table info available. #10 0x00002b0c60d77945 in zend_call_function () from /etc/httpd/modules/libphp5.so No symbol table info available. #11 0x00002b0c60d7851e in zend_lookup_class_ex () from /etc/httpd/modules/libphp5.so No symbol table info available. #12 0x00002b0c60d78728 in zend_fetch_class () from /etc/httpd/modules/libphp5.so No symbol table info available. #13 0x00002b0c60de21ab in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #14 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #15 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #16 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #17 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #18 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #19 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #20 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #21 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #22 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #23 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #24 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #25 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #26 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #27 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #28 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #29 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #30 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #31 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #32 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #33 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #34 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #35 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #36 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #37 0x00002b0c60da2b91 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #38 0x00002b0c60da228c in execute () from /etc/httpd/modules/libphp5.so No symbol table info available. #39 0x00002b0c60d82943 in zend_execute_scripts () from /etc/httpd/modules/libphp5.so No symbol table info available. #40 0x00002b0c60d42898 in php_execute_script () from /etc/httpd/modules/libphp5.so No symbol table info available. #41 0x00002b0c60e0709d in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #42 0x00002b0c555d3a0a in ap_run_handler () No symbol table info available. #43 0x00002b0c555d6e98 in ap_invoke_handler () No symbol table info available. #44 0x00002b0c555e174a in ap_internal_redirect () No symbol table info available. #45 0x00002b0c5e41cbf0 in ap_make_dirstr_parent () from /etc/httpd/modules/mod_rewrite.so No symbol table info available. #46 0x00002b0c555d3a0a in ap_run_handler () No symbol table info available. #47 0x00002b0c555d6e98 in ap_invoke_handler () No symbol table info available. #48 0x00002b0c555e18f8 in ap_process_request () No symbol table info available. #49 0x00002b0c555deb30 in ?? () No symbol table info available. #50 0x00002b0c555dac92 in ap_run_process_connection () No symbol table info available. #51 0x00002b0c555e57a9 in ?? () No symbol table info available. #52 0x00002b0c555e5a3a in ?? () No symbol table info available. #53 0x00002b0c555e629d in ap_mpm_run () No symbol table info available. #54 0x00002b0c555c0e48 in main () No symbol table info available.

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  • Infragistics UltraWebTab

    - by user354089
    Im using Infragistcs UltraWebTab. The code is shown below ` <div class="tab-content"> <asp:Panel ID="PnlGeneral" runat="server"> <table width="100%" border="0" cellspacing="0" cellpadding="0" class="tab-list"> <tr> <td style="border-bottom-color: White"> <asp:Label ID="LblErrors" runat="server" CssClass="ErrorMessage1"></asp:Label> <asp:Label ID="LblSuccessMsg" runat="server" CssClass="SuccessMessage1"></asp:Label> </td> </tr> <tr> <td> <table cellpadding="0" cellspacing="0" width="100%" border="0" class="tab-list"> <tr> <th width="205" class="FormLabel1"> Campaign Name <span class="ErrorMessage">*</span> </th> <td width="80%"> <asp:TextBox ID="TxtCampaignName" runat="server" CssClass="TextBox1"></asp:TextBox> </td> </tr> <tr> <th width="205" class="FormLabel1"> CRM Name <span class="ErrorMessage">*</span> </th> <td width="80%"> <asp:TextBox ID="TxtCRMName" runat="server" CssClass="TextBox1"></asp:TextBox> </td> </tr> <tr> <th class="FormLabel1"> Campaign Type <span class="ErrorMessage">*</span> </th> <td> <asp:DropDownList ID="DDLCampaignType" runat="server" CssClass="TextBox1" AutoPostBack="true" Width="117px" OnSelectedIndexChanged="DDLCampaignType_SelectedIndexChanged"> </asp:DropDownList> </td> </tr> <tr visible="false" id="trCompanyRow" runat="server"> <th class="FormLabel1"> Company <span class="ErrorMessage">*</span> </th> <td> <table cellpadding="0" cellspacing="0" border="0" width="100%"> <tr> <td class="style2" style="border-bottom-color: White"> <asp:DropDownList ID="DDLCompany" runat="server" CssClass="TextBox1" Width="117px" OnSelectedIndexChanged="DDLCompany_SelectedIndexChanged"> </asp:DropDownList> </td> <td class="style3" style="border-bottom-color: White"> <asp:LinkButton ID="btnlnknewCompany" runat="server" Style="font-size: 100%;" Text="Add New" OnClick="btnlnknewCompany_Click"></asp:LinkButton> </td> <td style="border-bottom-color: White"> <table cellpadding="0" cellspacing="0" border="0" width="100%" id="tdNewComapny" visible="false" runat="server"> <tr> <td class="style4" style="border-bottom-color: White"> <asp:TextBox ID="txtCompanyName" runat="server"></asp:TextBox> </td> <td style="border-bottom-color: White"> <asp:Button ID="btnCompanyAdd" runat="server" CssClass="btn1" Height="20px" Text="Add" Width="25%" OnClick="btnCompanyAdd_Click" /> </td> </tr> </table> </td> </tr> </table> </td> </tr> <tr id="trBannerImage" runat="server" visible="false"> <th class="FormLabel1"> Banner Image <span class="ErrorMessage">*</span> </th> <td> <asp:FileUpload ID="FileUploadBannerImage" runat="server" ToolTip="Add images for banner" /> </td> </tr> <tr> <th class="FormLabel1"> Start Date <span class="ErrorMessage">*</span> </th> <td> <asp:TextBox ID="TxtStartDate" runat="server" CssClass="TextBox1"></asp:TextBox><rjs:PopCalendar ID="CalStartDate" runat="server" Control="TxtStartDate" Format="dd mm yyyy" ShowErrorMessage="false" /> &nbsp;dd-mm-yyyy </td> </tr> <tr> <th class="FormLabel1"> End Date <span class="ErrorMessage">*</span> </th> <td> <asp:TextBox ID="TxtEndDate" runat="server" CssClass="TextBox1"></asp:TextBox><rjs:PopCalendar ID="CalEndDate" runat="server" Control="TxtEndDate" Format="dd mm yyyy" ShowErrorMessage="false" /> &nbsp;dd-mm-yyyy </td> </tr> <tr> <th class="FormLabel1"> Enabled? </th> <td> <asp:CheckBox ID="ChkEnabled" runat="server" /> </td> </tr> <tr style="border-bottom-color: White" id="tblVerificationFields" visible="false" runat="server"> <th style="border-bottom-color: White"> Company's Verification Fields </th> <td style="border-bottom-color: White"> <table border="0" cellspacing="0" cellpadding="0" class="tab-form" width="100%"> <tr> <td colspan="3" align="center"> <br /> <p> <label style="font-size: 14px; font-weight: bold; text-align: center;"> Select from existing verification fields below</label></p> </td> </tr> <tr> <td colspan="2"> <asp:Repeater ID="RptrVeriFieldsParamType" runat="server"> <HeaderTemplate> <table border="0" cellpadding="0" cellspacing="0" class="tab-grid" style="border: 0px"> <tr> <th> </th> <th> Field Name </th> <th> Type </th> <th> </th> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td style="border-bottom-color: White"> <asp:CheckBox ID="RptrChkVeriFields" runat="server" /> </td> <td style="border-bottom-color: White"> <asp:Label ID="RptrFieldName" runat="server" Text='<%# Eval("FieldName") %>'> </asp:Label> </td> <td style="border-bottom-color: White"> <asp:Label ID="RptrParamterTypeName" runat="server" Text='<%# Eval("PARAMETERTYPENAME") %>'> </asp:Label> </td> <td> <asp:Label ID="RptrHdnFieldId" runat="server" Text='<%# Eval("FIELDID") %>' Visible="false"></asp:Label> </td> </tr> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </asp:Repeater> </td> </tr> <tr> <td style="border-bottom-color: White"> </td> </tr> <tr> <td> <table border="0" cellpadding="0" cellspacing="0" width="100%" runat="server"> <tr> <td colspan="6" style="border-bottom-color: White" align="center"> <br /> <p> <label style="font-size: 14px; font-weight: bold; text-align: center; width: 100%;"> Or Add New verification field</label> </p> </td> </tr> <tr id="trVerifcationFields" runat="server" visible="false"> <th style="border-bottom-color: White" width="110px"> <strong>Verification Name</strong> </th> <td style="border-bottom-color: White" width="50px"> <asp:TextBox ID="TxtVeriField" runat="server"> </asp:TextBox> </td> <th style="border-bottom-color: White" width="100px"> <strong>Parameter Type</strong> </th> <td style="border-bottom-color: White" width="100px"> <asp:DropDownList ID="DDLParameterType" runat="server"> </asp:DropDownList> </td> <th> </th> <td align="left" style="border-bottom-color: White"> <asp:Button ID="BtnAddVeriField" runat="server" CssClass="btn1" Height="20px" Text="Add" OnClick="BtnAddVeriField_Click" Width="75%" /> </td> </tr> </table> </td> </tr> </table> </td> </tr> </table> </td> </tr> <tr> <td> <table cellpadding="0" cellspacing="0" width="100%" border="0" class="tab-list"> <tr align="right"> <td> </td> <td align="right" class="tab-list"> <asp:Button runat="server" ID="Next" Visible="true" Text="Next >" CssClass="btn" /> </td> </tr> </table> </td> </tr> </table> </asp:Panel> </div> </ContentTemplate> </igtab:Tab> <igtab:Tab Text="CRM Deals (Step-2)" Key="Tab2"> <ContentTemplate> <div style="clear: both"> </div> <div class="tab-content"> <asp:Panel ID="PnlCRMDeals" runat="server" ScrollBars="Vertical" Height="500px"> <table width="100%" border="0" cellspacing="0" cellpadding="0" class="tab-list"> <tr> <td> <asp:GridView ID="GridDeals" AutoGenerateColumns="False" runat="server" BorderStyle="none" BorderWidth="0" CellPadding="0" CellSpacing="0" GridLines="None" ShowFooter="false" HorizontalAlign="Left" CssClass="tab-grid" Width="100%"> <HeaderStyle CssClass="header" HorizontalAlign="Center" /> <PagerStyle CssClass="pager" /> <AlternatingRowStyle CssClass="odd" /> <Columns> <asp:TemplateField> <ItemStyle Width="5%" /> <ItemTemplate> <asp:CheckBox ID="ChkDeals" runat="server" Visible="true" /> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="Deal Name"> <ItemStyle Width="25%" /> <ItemTemplate> <asp:Label ID="DealName" runat="server" Text='<%# Eval("DealName") %>' /> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="Name in CRM"> <ItemTemplate> <asp:Label ID="CRMDealName" runat="server" Text='<%# Eval("CRM_NAME") %>' /> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="Deal Code"> <ItemTemplate> <asp:Label ID="PartNum" runat="server" Text='<%# Eval("PARTNUM") %>' /> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> </td> </tr> </table> </asp:Panel> </div> </ContentTemplate> </igtab:Tab> ` The problem im facing is after the "BtnAddVeriField" add button is clicked the Panel for the next tab gets displayed below the first tab's Panel. Furthermore, that Add button is not displayed as well.

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  • Does IntelliJ-Idea support Groovy 2.x?

    - by Freewind
    I just tried IntelliJ-Idea 11.x and 12.x (EPA), but when I use Groovy 2.0.1 or 2.0.5, the code can't be run and there are some errors out there. The Groovy plugin of idea has little information about which version of Groovy has been supported. Does idea support Groovy 2.x? I want to try the new @TypeChecked annotation of Groovy 2. UPDATE My groovy code: class X { def hello() { println("hello, groovy") } def static main(String[] args) { new X().hello() } } It uses groovy 2.0.5: And the error thrown: E:\java\jdk1.6.0_29_x64\bin\java -Didea.launcher.port=7532 "-Didea.launcher.bin.path=E:\java\IntelliJ IDEA 11.1.4\bin" -Dfile.encoding=UTF-8 -classpath "E:\java\jdk1.6.0_29_x64\jre\lib\charsets.jar;E:\java\jdk1.6.0_29_x64\jre\lib\deploy.jar;E:\java\jdk1.6.0_29_x64\jre\lib\javaws.jar;E:\java\jdk1.6.0_29_x64\jre\lib\jce.jar;E:\java\jdk1.6.0_29_x64\jre\lib\jsse.jar;E:\java\jdk1.6.0_29_x64\jre\lib\management-agent.jar;E:\java\jdk1.6.0_29_x64\jre\lib\plugin.jar;E:\java\jdk1.6.0_29_x64\jre\lib\resources.jar;E:\java\jdk1.6.0_29_x64\jre\lib\rt.jar;E:\java\jdk1.6.0_29_x64\jre\lib\ext\dcevm.jar;E:\java\jdk1.6.0_29_x64\jre\lib\ext\dnsns.jar;E:\java\jdk1.6.0_29_x64\jre\lib\ext\localedata.jar;E:\java\jdk1.6.0_29_x64\jre\lib\ext\sunjce_provider.jar;E:\WORKSPACE\TestGroovy2\out\production\TestGroovy2;E:\java\groovy-2.0.5\lib\ant-1.8.4.jar;E:\java\groovy-2.0.5\lib\ant-antlr-1.8.4.jar;E:\java\groovy-2.0.5\lib\ant-junit-1.8.4.jar;E:\java\groovy-2.0.5\lib\ant-launcher-1.8.4.jar;E:\java\groovy-2.0.5\lib\antlr-2.7.7.jar;E:\java\groovy-2.0.5\lib\asm-4.0.jar;E:\java\groovy-2.0.5\lib\asm-analysis-4.0.jar;E:\java\groovy-2.0.5\lib\asm-commons-4.0.jar;E:\java\groovy-2.0.5\lib\asm-tree-4.0.jar;E:\java\groovy-2.0.5\lib\asm-util-4.0.jar;E:\java\groovy-2.0.5\lib\bsf-2.4.0.jar;E:\java\groovy-2.0.5\lib\commons-cli-1.2.jar;E:\java\groovy-2.0.5\lib\commons-logging-1.1.1.jar;E:\java\groovy-2.0.5\lib\gpars-1.0-beta-3.jar;E:\java\groovy-2.0.5\lib\groovy-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-ant-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-bsf-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-console-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-docgenerator-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-groovydoc-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-groovysh-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-jmx-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-json-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-jsr223-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-servlet-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-sql-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-swing-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-templates-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-test-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-testng-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-xml-2.0.5.jar;E:\java\groovy-2.0.5\lib\hamcrest-core-1.1.jar;E:\java\groovy-2.0.5\lib\ivy-2.2.0.jar;E:\java\groovy-2.0.5\lib\jansi-1.6.jar;E:\java\groovy-2.0.5\lib\jcommander-1.12.jar;E:\java\groovy-2.0.5\lib\jline-1.0.jar;E:\java\groovy-2.0.5\lib\jsp-api-2.0.jar;E:\java\groovy-2.0.5\lib\jsr166y-1.7.0.jar;E:\java\groovy-2.0.5\lib\junit-4.10.jar;E:\java\groovy-2.0.5\lib\qdox-1.12.jar;E:\java\groovy-2.0.5\lib\servlet-api-2.4.jar;E:\java\groovy-2.0.5\lib\testng-6.5.2.jar;E:\java\groovy-2.0.5\lib\xmlpull-1.1.3.1.jar;E:\java\groovy-2.0.5\lib\xstream-1.4.2.jar;E:\java\IntelliJ IDEA 11.1.4\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain X Exception in thread "main" java.lang.IncompatibleClassChangeError: Found interface org.objectweb.asm.MethodVisitor, but class was expected at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.genConstructor(CallSiteGenerator.java:141) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.genPogoMetaMethodSite(CallSiteGenerator.java:162) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compilePogoMethod(CallSiteGenerator.java:215) at org.codehaus.groovy.reflection.CachedMethod.createPogoMetaMethodSite(CachedMethod.java:228) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.createCachedMethodSite(PogoMetaMethodSite.java:212) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.createPogoMetaMethodSite(PogoMetaMethodSite.java:188) at groovy.lang.MetaClassImpl.createPogoCallSite(MetaClassImpl.java:3035) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createPogoSite(CallSiteArray.java:147) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:112) at X.main(sta.groovy:6) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120) Process finished with exit code 1

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