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  • Timeout Considerations for Solicit Response

    - by Michael Stephenson
    Background One of the clients I work with had been experiencing some issues for a while surrounding web service timeouts.  It's been a little challenging to work through the problems due to limitations in the diagnostic information available from one of the applications, but I learned some interesting things while troubleshooting the problem which don't seem to have been discussed much in the community so I thought I'd share my findings. In the scenario we have BizTalk trying to make calls to a .net web service which was exposed as a WSE 2 endpoint.  In the process BizTalk will try to make a large number of concurrent web service calls to the application, and the backend application has more than enough infrastructure and capability to handle the load. We have configured the <ConnectionManagement> section of the BizTalk configuration file to support up to 100 concurrent connections from each of our 2 BizTalk send servers to the web servers of the application. The problem we were facing was that the BizTalk side was reporting a significant number of timeouts when calling the web service.   One of the biggest issues was the challenge of being able to correlate a message from BizTalk to the IIS log in the .net application and the custom logs in the application especially when there was a fairly large number of servers hosting the web services.  However the key moment came when we were able to identify a specific call which had taken 40 seconds to execute on the server (yes a long time I know but that's a different story!).  Anyway we were able to identify that this had timed out on the BizTalk side.  Based on the normal 2 minute timeout we knew something unexpected was going on. From here I decided to do some experimentation and I wanted to start outside of BizTalk because my hunch was this was not a BizTalk behaviour but something which was being highlighted by BizTalk because of our large load.     Server-side - Sample Web Service To begin with I created a sample web service.  Nothing special just a vanilla asmx web service hosted in IIS6 on Windows 2003 Standard Edition.  The web service is just a hello world style web service as shown in the below picture.  The only key feature is that the server side web method has a 30 second sleep in it and will trace out some information before and after the thread is set to sleep.      In the configuration for this web service there again is nothing special it's pretty much the most plain simple web service you could build. Client-Side To begin looking at what was happening with our example I created a number of different ways to consume the web service. SoapHttpClientProtocol Example I created a small application which would use a normal proxy generated to call the web service.  It would iterate around a loop and make calls using the begin/end methods so I can do this asynchronously.  I would do a loop of 20 calls with the ConnectionManager configuration section supporting only 5 concurrent connections to the server.     <connectionManagement> <remove address="*"/> <add address = "*" maxconnection = "12" /> <add address = "http://<ServerName>" maxconnection = "5" />                         </connectionManagement> </system.net>     The below picture shows an example of the service calling code, key points are: I have configured the timeout of 40 seconds for the proxy I am using the asynchronous methods on the proxy to call the web service         The Test I would run the client and execute 21 calls to the web service.   The Results  Below is the client side trace showing what's happening on the client. In the below diagram is the web service side trace showing what's happening on the server Some observations on the results are: All of the calls were successful from the clients perspective You could see the next call starting on the server as soon as the previous one had completed Calls took significantly longer than 40 seconds from the start of our call to the return. In fact call 20 took 2 minutes and 30 seconds from the perspective of my code to execute even though I had set the timeout to 40 seconds     WSE 2 Sample In the second example I used the exact same code to call the web service again with a single exception that I modified the web service proxy to derive from WebServiceClient protocol which is part of WSE 2 (using SP3).  The below picture shows the basic code and the key points are: I have configured the timeout of 40 seconds for the proxy I am using the asynchronous methods on the proxy to call the web service        The Test This test would execute 21 calls from the client to the web service.   The Results  The below trace is from the client side: The below trace is from the server side:   Some observations on the trace results for this scenario are: With call 4 if you look at the server side trace it did not start executing on the server for a number of seconds after the other 4 initial calls which were accepted by the server. I re-ran the test and this happened a couple of times and not on most others so at this point I'm just putting this down to something unexpected happening on the development machine and we will leave this observation out of scope of this article. You can see that the client side trace statement executed almost immediately in all cases All calls after the initial few calls would timeout On the client side the calls that did timeout; timed out in a longer duration than the 40 seconds we set as the timeout You can see that as calls were completing on the server the next calls were starting to come through The calls that timed out on the client did actually connect to the server and their server side execution completed successfully     Elaboration on the findings Based on the above observations I have drawn the below sequence diagram to illustrate conceptually what is happening.  Everything except the final web service object is on the client side of the call. In the diagram below I've put two notes on the Web Service Proxy to show the two different places where the different base classes seem to start their timeout counters. From the earlier samples we can work out that the timeout counter for the WSE web service proxy starts before the one for the SoapHttpClientProtocol proxy and the WSE one includes the time to get a connection from the pool; whereas the Soap proxy timeout just covers the method execution. One interesting observation is if we rerun the above sample and increase the number of calls from 21 to 100,000 then for the WSE sample we will see a similar pattern where everything after the first few calls will timeout on the client as soon as it makes a connection to the server whereas the soap proxy will happily plug away and process all of the calls without a single timeout. I have actually set the sample running overnight and this did happen. At this point you are probably thinking the same thoughts I was at the time about the differences in behaviour and which is right and why are they different? I'm not sure there is a definitive answer to this in the documentation, or at least not that I could find! I think you just have to consider that they are different and they could have different effects depending on your messaging solution. In lots of situations this is just not an issue as your concurrent requests doesn't get to the situation where you end up throttling the web service calls on the client side, however this is definitely more common with an integration broker such as BizTalk where you often have high throughput requirements.  Some of the considerations you should make Based on this behaviour you should be aware of the following: In a .net application if you are making lots of concurrent web service calls from an application in an asynchronous manner your user may thing they are experiencing poor performance but you think your web service is working well. The problem could be that the client will have a default of 2 connections to remote servers so you should bear this in mind When you are developing a BizTalk solution or a .net solution with the WSE 2 stack you may experience timeouts under load and throttling the number of connections using the max connections element in the configuration file will not help you For an application using WSE2 or SoapHttpClientProtocol an expired timeout will not throw an error until after a connection to the server has been made so you should consider this in your transaction and durability patterns     Our Work Around In the short term for our specific scenario we know that we can handle this by just increasing our timeout value.  There is only a specific small window when we get lots of concurrent traffic that causes this scenario so we should be able to increase the timeout to take into consideration the additional client side wait, and on the odd occasion where we do get a timeout the BizTalk send port retry will handle this. What was causing our original problem was that for that short window we were getting a lot of retries which significantly increased the load on our send servers and highlighted the issue.  Longer Term Solution As a longer term solution this really gives us more ammunition to argue a migration to WCF. The application we are calling has some factors which limit the protocols we can use but with WCF we would have more control on the various timeout options because in WCF you can configure specific parts of the timeout. Summary I've had this blog post on my to do list for ages but hopefully it will be useful to some people to just understand this behaviour and to possibly help you with some performance issues you may have. I do not believe there is too much in the way of documentation particularly around WSE2 and ASMX in this area so again another bit of ammunition for migrating to WCF. I'll try to do a follow up post with the sample for WCF to show how this changes things.

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  • How can I solve the apache2 httpd error "mixing * ports and non-* ports with a NameVirtualHost addre

    - by rrc7cz
    Here is the error I get when booting up Apache2: * Starting web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName [Wed Oct 21 16:37:26 2009] [error] VirtualHost *:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results [Wed Oct 21 16:37:26 2009] [error] VirtualHost *:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results [Wed Oct 21 16:37:26 2009] [error] VirtualHost *:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results [Wed Oct 21 16:37:26 2009] [error] VirtualHost *:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results [Wed Oct 21 16:37:26 2009] [warn] NameVirtualHost *:80 has no VirtualHosts I first followed this guide on setting up Apache to host multiple sites: http://www.debian-administration.org/articles/412 I then found a similar question on ServerFault and tried applying the solution, but it didn't help. Here is an example of my final VirtualHost config: <VirtualHost *:80> ServerAdmin [email protected] ServerName www.xxx.com ServerAlias xxx.com # Indexes + Directory Root. DirectoryIndex index.html DocumentRoot /var/www/www.xxx.com # Logfiles ErrorLog /var/www/www.xxx.com/logs/error.log CustomLog /var/www/www.xxx.com/logs/access.log combined </VirtualHost> with the domain X'd out to protect the innocent :-) Also, I have the conf.d/virtual.conf file mentioned in the guide looking like this: NameVirtualHost * The odd thing is that everything appears to work fine for two of the three sites.

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  • Lighttpd getting 403 forbidden page

    - by Ramesh
    i have newly installed lighttpd in ubuntu 9.10 first it showed the detault page and i changed the permission of /var/www/ directory to 777 and now its saying 404 forbidden my php-cgi -v PHP 5.2.10-2ubuntu6.4 with Suhosin-Patch 0.9.7 (cgi-fcgi) (built: Jan 6 2010 22:34:28) Copyright (c) 1997-2009 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2009 Zend Technologies php -v PHP 5.2.10-2ubuntu6.4 with Suhosin-Patch 0.9.7 (cli) (built: J 6) Copyright (c) 1997-2009 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2009 Zend Technologies and i have added these line in lighttpd.conf file fastcgi.server = ( ".php" = (( "bin-path" = "/usr/bin/php-cgi", "socket" = "/tmp/php.socket" ))) still getting same error....

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  • mod_fcgid process doesn't respawn

    - by aaronsw
    I have a Python script running on my server as a FastCGI using Apache2 and mod_fcgid. I let it spawn up to five processes. But I soon get messages like these in the Apache logs: [Wed Sep 02 23:16:34 2009] [warn] (103)Software caused connection abort: mod_fcgid: ap_pass_brigade failed in handle_request function [Wed Sep 02 23:16:35 2009] [warn] (103)Software caused connection abort: mod_fcgid: ap_pass_brigade failed in handle_request function and then Apache doesn't seem to recognize that all its processes are dead (I have a max of 5 backends) and refuses to spawn new ones: [Wed Sep 02 23:26:16 2009] [notice] mod_fcgid: /var/www/hacks.og.theinfo.org/picker.fcgi total process count 5 >= 5, skip the spawn request [Wed Sep 02 23:26:17 2009] [notice] mod_fcgid: /var/www/hacks.og.theinfo.org/picker.fcgi total process count 5 >= 5, skip the spawn request at which point it refuses to respond to requests from the outside world. This doesn't seem to happen with my other FastCGIs, which all use the same Apache config: <IfModule mod_fcgid.c> AddHandler fcgid-script .fcgi IPCConnectTimeout 20 MaxProcessCount 5 DefaultMaxClassProcessCount 2 DefaultMinClassProcessCount 1 </IfModule> Any idea what causes it?

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  • Solaris Non global Zone x server

    - by ankimal
    I am not even sure if this is possible but how can I start an X server on a non-global zone? If I run startx from within my zone. I created the xorg.conf by running /usr/X11/bin/xorgconfig root@foo:/usr/X11/bin# startx xauth: creating new authority file /root/.serverauth.20957 X.Org X Server 1.5.3 Release Date: 5 November 2008 X Protocol Version 11, Revision 0 Build Operating System: SunOS 5.11 snv_108 i86pc Current Operating System: SunOS dsol101 5.11 snv_111b i86pc Build Date: 07 May 2009 04:44:56PM Solaris ABI: 64-bit SUNWxorg-server package version: 6.9.0.5.11.11100,REV=0.2009.05.07 SUNWxorg-mesa package version: 6.9.0.5.11.11100,REV=0.2009.04.02 Before reporting problems, check http://sunsolve.sun.com/ to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Tue Nov 10 19:17:53 2009 (==) Using config file: "/etc/X11/xorg.conf" Fatal server error: xf86OpenConsole: Cannot open /dev/fb (No such file or directory)

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  • mod_fcgid process doesn't respawn

    - by aaronsw
    I have a Python script running on my server as a FastCGI using Apache2 and mod_fcgid. I let it spawn up to five processes. But I soon get messages like these in the Apache logs: [Wed Sep 02 23:16:34 2009] [warn] (103)Software caused connection abort: mod_fcgid: ap_pass_brigade failed in handle_request function [Wed Sep 02 23:16:35 2009] [warn] (103)Software caused connection abort: mod_fcgid: ap_pass_brigade failed in handle_request function and then Apache doesn't seem to recognize that all its processes are dead (I have a max of 5 backends) and refuses to spawn new ones: [Wed Sep 02 23:26:16 2009] [notice] mod_fcgid: /var/www/hacks.og.theinfo.org/picker.fcgi total process count 5 >= 5, skip the spawn request [Wed Sep 02 23:26:17 2009] [notice] mod_fcgid: /var/www/hacks.og.theinfo.org/picker.fcgi total process count 5 >= 5, skip the spawn request at which point it refuses to respond to requests from the outside world. This doesn't seem to happen with my other FastCGIs, which all use the same Apache config: <IfModule mod_fcgid.c> AddHandler fcgid-script .fcgi IPCConnectTimeout 20 MaxProcessCount 5 DefaultMaxClassProcessCount 2 DefaultMinClassProcessCount 1 </IfModule> Any idea what causes it?

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  • 403 Forbidden Error when trying to view localhost on Apache

    - by misbehavens
    I think my Apache must be all screwed up. I don't know if it ever worked. I just upgraded to Snow Leopard, and the first step on this tutorial is to start apache and check that it's working by opening http://localhost. It starts fine but when I go to localhost I get a 403 forbidden error. I don't know where to start figuring out how to fix it, so I wonder if a fresh install of Apache would do the trick. What do you think? Update: I found some error logs in /private/var/log/apache2/. Found this in one of the logs. Not sure what it means: [Tue Nov 10 17:53:08 2009] [notice] caught SIGTERM, shutting down [Tue Nov 10 21:49:17 2009] [warn] Init: Session Cache is not configured [hint: SSLSessionCache] Warning: DocumentRoot [/usr/docs/dummy-host.example.com] does not exist Warning: DocumentRoot [/usr/docs/dummy-host2.example.com] does not exist httpd: Could not reliably determine the server's fully qualified domain name, using Andrews-Mac-Pro.local for ServerName mod_bonjour: Skipping user 'andrew' - cannot read index file '/Users/andrew/Sites/index.html'. [Tue Nov 10 21:49:19 2009] [notice] Digest: generating secret for digest authentication ... [Tue Nov 10 21:49:19 2009] [notice] Digest: done [Tue Nov 10 21:49:19 2009] [notice] Apache/2.2.11 (Unix) mod_ssl/2.2.11 OpenSSL/0.9.8k DAV/2 PHP/5.3.0 configured -- resuming normal operations Update: I also found something in the dummy-host.example.com-error_log file. I didn't set these dummy-host things by the way. Is this the default configuration? [Tue Nov 10 21:59:57 2009] [error] [client ::1] client denied by server configuration: /usr/docs Update: Woohoo! I found the file that had the virtual host definitions. It was in /etc/apache2/extra/httpd-vhosts.conf. It had those two dummy virtual host settings in there. I added a localhost virtual host. Not sure if this is necessary, but since it wasn't working before, decided to do it anyway. After removing the old virtual hosts, adding my new localhost virtual host, and restarting apache, it seems to work. So I guess whenever I want to add a virtual host, I only need to add them to this file? Or is there a hosts file somewhere, like there is on Linux? Update: Yes, there is an /etc/hosts file that need to be changed to. Add the virtual host name to that file.

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  • Symlinks are inaccessible by their full path on OS X

    - by Computer Guru
    Hi, I have symlinks pointing to applications placed in /usr/local/bin which is in the path. However, I can't run these applications from other folders. Even more weird, I can't access them by the full path to the symlink. [mqudsi@iqudsi:Desktop/EasyBCD]$ echo $path (03-26 13:42) /opt/local/bin /opt/local/sbin /usr/local/bin /usr/local/sbin/ /usr/local/CrossPack-AVR/bin /usr/bin /bin /usr/sbin /sbin /usr/local/bin /usr/X11/bin [mqudsi@iqudsi:local/bin]$ ls -l /usr/local/bin (03-26 13:47) total 24280 -rwxr-xr-x 1 mqudsi wheel 18464 May 14 2009 ascii-xfr -rwxr-xr-x 1 mqudsi wheel 12567 Mar 25 04:50 brew -rwxr-xr-x 1 mqudsi wheel 17768 Dec 11 12:41 bsdiff -rwxr-xr-x 1 mqudsi wheel 43024 Mar 28 2009 dumpsexp -rwxr-xr-x 1 mqudsi wheel 280 Sep 10 2009 easy_install -rwxr-xr-x 1 mqudsi wheel 288 Sep 10 2009 easy_install-2.6 -rwxr-xr-x 1 mqudsi wheel 39696 Apr 5 2009 fuse_wait lrwxr-xr-x 1 mqudsi wheel 29 Mar 25 04:53 git -> ../Cellar/git/1.7.0.3/bin/git [mqudsi@iqudsi:local/bin]$ /usr/local/bin/git (03-26 13:47) zsh: no such file or directory: /usr/local/bin/git Clearly the link is there, but I'm not able to get it to it :S

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  • uname -a gives wrong version of kernel in gentoo?

    - by freedrull
    Hi I'm running gentoo and doing uname -a gives the wrong kernel version. tony@P_P-o ~ $ uname -a Linux P_P-o 2.6.27-gentoo-r8 #12 SMP PREEMPT Sun Nov 8 19:46:59 PST 2009 i686 Genuine Intel(R) CPU T2060 @ 1.60GHz GenuineIntel GNU/Linux Running eix gentoo-sources shows that I have a later version than that installed: tony@P_P-o ~ $ eix gentoo-sources [U] sys-kernel/gentoo-sources Available versions: (2.6.16-r13) 2.6.16-r13!b!s (2.6.25-r9) 2.6.25-r9!b!s (2.6.26-r4) 2.6.26-r4!b!s (2.6.27-r8) 2.6.27-r8!b!s (2.6.27-r10) 2.6.27-r10!b!s (2.6.28-r5) 2.6.28-r5!b!s (2.6.28-r6) 2.6.28-r6!b!s (2.6.29-r5) 2.6.29-r5!b!s (2.6.29-r6) 2.6.29-r6!b!s (2.6.30) ~2.6.30!b!s (2.6.30-r3) ~2.6.30-r3!b!s (2.6.30-r4) 2.6.30-r4!b!s (2.6.30-r5) 2.6.30-r5!b!s (2.6.30-r6) 2.6.30-r6!b!s (2.6.30-r7) 2.6.30-r7!b!s (2.6.30-r8) 2.6.30-r8!b!s (2.6.31) ~2.6.31!b!s (2.6.31-r1) ~2.6.31-r1!b!s (2.6.31-r2) ~2.6.31-r2!b!s (2.6.31-r3) ~2.6.31-r3!b!s (2.6.31-r4) ~2.6.31-r4!b!s {build symlink ultra1} Installed versions: 2.6.27-r8(2.6.27-r8)!b!s(07:48:25 PM 06/19/2009)(-build -symlink) 2.6.28-r5(2.6.28-r5)!b!s(12:35:17 PM 06/08/2009)(-build -symlink) 2.6.29-r5(2.6.29-r5)!b!s(07:44:33 PM 06/19/2009)(-build -symlink) 2.6.30-r6(2.6.30-r6)!b!s(11:14:45 PM 10/02/2009)(-build -symlink) Homepage: http://dev.gentoo.org/~dsd/genpatches Description: Full sources including the Gentoo patchset for the 2.6 kernel tree What gives?

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  • CentOS iscsi initiator has session but there is no block device

    - by jcalfee314
    I have installed the scsi-target-utils package on CentOS and I used it to perform a discovery. The discovery did give me an active session. I restarted the iscsi service but I do not see any new devices (fdisk -l). I see in /var/log/messages that my connection is operational now. I'm not sure how to debug this further. Can someone direct me into fixing this? discovery: iscsiadm -m discovery -t sendtargets -p 192.168.0.155 returns: 192.168.0.155:3260,-1 iqn.2009-02.com.twinstrata:cloudarray:sn-1d07c1b62d4ec8f3 Just to verify it actually worked: iscsiadm -m session returns tcp: [1] 192.168.0.155:3260,1 iqn.2009-02.com.twinstrata:cloudarray:sn-1d07c1b62d4ec8f3 restarting as the directions say to do: service iscsi restart output written to /var/log/message Stopping iscsi: Sep 20 12:14:22 localhost kernel: connection1:0: detected conn error (1020) [ OK ] Starting iscsi: Sep 20 12:14:22 localhost kernel: scsi1 : iSCSI Initiator over TCP/IP Sep 20 12:14:22 localhost iscsid: Connection1:0 to [target: iqn.2009-02.com.twinstrata:cloudarray:sn-1d07c1b62d4ec8f3, portal: 192.168.0.155,3260] through [iface: default] is shutdown. Sep 20 12:14:22 localhost iscsid: Could not set session2 priority. READ/WRITE throughout and latency could be affected. [ OK ] [root@db iscsi]# Sep 20 12:14:23 localhost iscsid: Connection2:0 to [target: iqn.2009-02.com.twinstrata:cloudarray:sn-1d07c1b62d4ec8f3, portal: 192.168.0.155,3260] through [iface: default] is operational now Ran a login command: iscsiadm -m node -T iqn.2009-02.com.twinstrata:cloudarray:sn-1d07c1b62d4ec8f3 -p 192.168.0.155 -l No errors, no logging occurred. Next I compared the output from "fdisk -l|egrep dev" both with the iscsi session and without. There is no difference. I suppose I could just look in /etc/mtab. Any ideas on how I can get an iscsi device?

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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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  • CodePlex Daily Summary for Sunday, March 14, 2010

    CodePlex Daily Summary for Sunday, March 14, 2010New ProjectsBeerMath.net: BeerMath.net lets brewers calculate expected values for their recipes. Written entirely in C#, it can be used in any .Net language.Bible Study: Данный проект предусматривает создание программного обеспечения, предоставляющего пользователю гибкие и мощные инструменты для чтения и изучения Пи...E-Messenger: Description détaillé du sujet : Développement d'une application (client lourd) de messagerie instantané et de partage de fichier interne à ESPRIT....Facebook Azure Toolkit: The Facebook Azure Toolit provides a flexible and scalable hosting platform for the smallest and largest of Facebook applications. This toolkit hel...Gherkin editor: A simple text editor to write specifications using Gherkin. The editor supports code completion, syntax highlighting, spell checker and more.Mydra Center: Mydra Center is a Media center with the particularity to be very flexible, allowing developers to extend it and add new features. The philosophy be...MyTwits - A rich Twitter client for Windows powered by WPF: MyTwits is a free Twitter client for Windows XP/Vista/7 powered by WPF which gives you freedom to twit right from your desktop. You can do almost a...na laborke: aaaaaaaaaaaaaaasssssssssssssssddddddddddddddddddddfffffffffffffNMTools: The "Network Management Tools" (NMTools) complete OpenSLIM CMDB capa­bil­i­ties with Network Discovery, Automa­tion and Con­fig­u­ra­tion Man­age­m...orionSRO: This project aims to make a fully functional server.Project Naduvar: Project Naduvar, is a centralized Locking Service in distribute systems. You can use this service in any of your existing distributed application. ...Silverlight Input Keyboard: Silverlight Input Keyboard and Behaviorsuh: uh.py is a command line tool that helps developers porting native projects from a case-insensitive filesystem to a case-sensitive filesystem by sea...New ReleasesAmiBroker Plug-ins with C#. A non official AmiBroker Plug-in SDK: AmiBroker Plug-in SDK v0.0.3: Small changesAmiBroker Plug-ins with C#. A non official AmiBroker Plug-in SDK: AmiBroker Plug-in SDK v0.0.4: Small updatesAStyle AddIn for SharpDevelop (Alex): 2.0 Production: #D 3.* add in with updated GUI elements.Coding Cockerel code samples: Validation with ASP .NET MVC and jQuery: Code sample related to the following blog post, http://codingcockerel.co.uk/consistent-validation-with-asp-net-mvc-and-jquery/.CoreSystem Library: Release - 1.0.3725.10575: This release contains a new class Crypto which makes encryption and descryption of string easy, it uses TripleDESCrystal Mapper: Release - 2.0.3725.11614: This is preview if release 2.0* that I promised, it contains following new features Tracking dirty entities and provide Save function to save all ...Digital Media Processing Project 1: Image Processor: Image Processor Alpha: First Release Features Include: Curve Adjustment Tool Region Growing Segmetation Threshold Segmentation Guassian/Butterworth High/Low pass filter...Exepack.NET: Exepack.NET version 0.03 beta: Exepack.NET is executable file compressor for .NET Framework. It allows to package your .NET application consisting of an executable file and sever...Export code as Code Snippet - Addin for Visual Studio 2008/2010 RC: VS 2010 Release Candidate: This release targets Visual Studio 2010 Release Candidate. It includes full Visual Basic 2010 source code. Fixes already available in previous ve...Facebook Azure Toolkit: 0.9 Beta: This is the initial beta releaseFamily Tree Analyzer: Version 1.0.5.0: Version 1.0.5.0 Change the way Census & Individual reports columns are sized so that user can resize later. Add filter to exclude individuals over...Home Access Plus+: v3.1.2.1: Version 3.1.2.1 Release Change Log: Added SSL SMTP Added SSL Authentication File Changes: ~/bin/CHS Extranet.dll ~/bin/CHS Extranet.pdb ~/we...Home Access Plus+: v3.1.3.1: Version 3.1.3.1 Release Change Log: Fixed Help Desk File Changes: ~/bin/CHS Extranet.dll ~/bin/CHS Extranet.pdb ~/helpdesk/*.htmIceChat: IceChat 2009 Alpha 11.6 Full Install: IceChat 2009 Alpha 11.6 - Full Installer, installs IceChat 2009, and the Emoticons, and will also download .Net Framework 2.0 if needed.IceChat: IceChat 2009 Alpha 11.6 Simple Binaries: This simply the IceChat2009.exe and the IPluginIceChat.dll needed to run IceChat 2009. Is not an installer, does not include emoticons.IceChat: IceChat 2009 Alpha 11.6 Source Code: IceChat 2009 Alpha 11.6 Source CodeLunar Phase Silverlight Gadget: Lunar Phase RC: Stable release. 6 languages Auto refresh. Name / Light problem fixedMiracle OS: Miracle OS Alpha 0.001: Our first release is the Alpha 0.001. Miracle OS doens't work at all, but we work on it. You to? Please help us.MyTwits - A rich Twitter client for Windows powered by WPF: MyTwits BETA 1: I'm happy to release first BETA version of MyTwits. Just download the zip file attached and run setup.exe and you are done! If you've any problem...MyTwits - A rich Twitter client for Windows powered by WPF: MyTwits Source BETA 1: I'm providing you just a project file, I'll upload complete source code once I fine tuned the code.NMock3: NMock3 - Beta 5, .NET 3.5: Hilights of this releaseTutorials have been updated and are in a much better place now. (they compile) Public API is getting locked down. Void me...Project Naduvar: com.declum.naduvar.locking: First ReleaseQueryToGrid Module for DotNetNuke®: QueryToGrid Module version 01.00.01: This module is a proof of concept for both using AJAX in a DotNetNuke® module, and for using SQL in a module. »»» IMPORTANT NOTE ««« Using this mo...SCSI Interface for Multimedia and Block Devices: Release 10 - Almost like a commercial burner!!: I made many changes in the ISOBurn program in this version, making it much more user-friendly than before. You can now add, rename, and delete file...Silverlight Input Keyboard: Initial Release: For more information see http://www.orktane.com/Blog/post/2009/11/09/Virtual-Input-Keyboard-Behaviours-for-Silverlight.aspxThe Silverlight Hyper Video Player [http://slhvp.com]: RC: The release candidate is now in place. Unfortunately, because there are aspects of it that I'm not yet ready to discuss, the code for the RC will...twNowplaying: twNowplaying 1.0.0.3: Press the Twitter icon to get started, don't forget to submit bugs to the issue tracker. What's new This release has some minor UI fixes.uh: 1.0: This is the first stable release. It isn't super full featured but it does the basics.UriTree: UriTree 2.0.0: This release is the WPF version of this application.VCC: Latest build, v2.1.30313.0: Automatic drop of latest buildVr30 OS: Blackra1n: The software was made by blackra1n for jailbreak iphone and ipod touch. Is not the Vr30 OS Team ProjectVr30 OS: Vr30 Operating System Live Cd 1.0: The Operating system linux made by team. For more information go to http://vr30os.tuxfamily.orgWatchersNET.TagCloud: WatchersNET.TagCloud 01.01.00: Whats New Decide between Tags generated from the Search words, or create your own Tag List Custom Tag list changes Small BugfixesZeta Resource Editor: Source code release 2010-03-13: New sources, some small fixes.ZipStorer - A Pure C# Class to Store Files in Zip: ZipStorer 2.35: Improved UTF-8 Support Correct writting of modification time for extracted filesMost Popular ProjectsMetaSharpWBFS ManagerRawrAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)ASP.NET Ajax LibraryASP.NETMicrosoft SQL Server Community & SamplesMost Active ProjectsRawrN2 CMSBlogEngine.NETpatterns & practices – Enterprise LibrarySharePoint Team-MailerFasterflect - A Fast and Simple Reflection APICaliburn: An Application Framework for WPF and SilverlightjQuery Library for SharePoint Web ServicesCalcium: A modular application toolset leveraging PrismFarseer Physics Engine

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  • TFS Disk Structure - and "Add new folder" vs "Add solution"

    - by NealWalters
    Our organization recently got TFS 2008 set up ready for our use. I have a practice TeamProject available to play with. To simplify slightly, we previous organized our code on disk like this: -EC - Main - Database - someScript1.sql - someScript2.sql - Documents - ReleaseNotes_V1.doc - Source - Common - Company.EC.Common.Biztalk.Artifacts [folder] - Company.EC.Common.BizTalk.Components [folder] - Company.EC.Common.Biztalk.Deployment [folder] - Company.EC.BookTransfer.BizTalk.sln - BookTransfer - Company.EC.BookTransfer.BizTalk.Artifacts [folder] - Company.EC.BookTransfer.BizTalk.Components [folder] - Company.EC.BookTransfer.BizTalk.Components.UnitTest [folder] - Company.EC.BookTransfer.BizTalk.Deployment [folder] - Company.EC.BookTransfer.BizTalk.sln I'm trying to decide, do I want to check in the entire c:\EC directory? Or do I want to open each solution and checkin. What are the pros and cons of each? It seems like by doing the "Add Files/Folder" option, I could check in everything at once and it would match the disk structure. It also looks like that if I check in each solution separately, that creates another working folder in my Workspace. I think if I check in by "add files/folder", I will have one workspace and that would be better. But most of the books and samples I see talk about checking in projects and solutions. P.S. I know I need to add more to my disk structure in accordance with the Branch/Merge guidelines, but that is not the question I'm asking here. Thanks, Neal Walters

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  • Grouping on Multiple Field

    - by Nisarg Mehta
    Hi , I am generating XML file from Database as below... <?xml version = '1.0'?> <T0019> <IFTA_ACCOUNT> <IFTA_CARRIER_ID_NUMBER>705</IFTA_CARRIER_ID_NUMBER> <IFTA_LICENSE_NUMBER>631227666</IFTA_LICENSE_NUMBER> <IFTA_BASE_COUNTRY>US</IFTA_BASE_COUNTRY> <IFTA_BASE_STATE>AL</IFTA_BASE_STATE> <IFTA_STATUS_CODE>0 </IFTA_STATUS_CODE> <IFTA_STATUS_DATE>2009-01-01</IFTA_STATUS_DATE> <IFTA_ISSUE_DATE>2009-01-01</IFTA_ISSUE_DATE> <IFTA_EXPIRE_DATE>2009-12-01</IFTA_EXPIRE_DATE> <IFTA_UPDATE_DATE>2008-12-30</IFTA_UPDATE_DATE> <NAME_TYPE>LG</NAME_TYPE> <NAME>K D L TRUCKING INC</NAME> <ADDRESS_TYPE>PH</ADDRESS_TYPE> <STREET_LINE_1>200 MARTIN LANE</STREET_LINE_1> <CITY>OHATCHEE</CITY> <STATE>AL</STATE> <ZIP_CODE>36271</ZIP_CODE> <COUNTY>CALHOUN COUNTY</COUNTY> <COUNTRY>US</COUNTRY> </IFTA_ACCOUNT> <IFTA_ACCOUNT> <IFTA_CARRIER_ID_NUMBER>705</IFTA_CARRIER_ID_NUMBER> <IFTA_LICENSE_NUMBER>631227666</IFTA_LICENSE_NUMBER> <IFTA_BASE_COUNTRY>US</IFTA_BASE_COUNTRY> <IFTA_BASE_STATE>AL</IFTA_BASE_STATE> <IFTA_STATUS_CODE>0 </IFTA_STATUS_CODE> <IFTA_STATUS_DATE>2009-01-01</IFTA_STATUS_DATE> <IFTA_ISSUE_DATE>2009-01-01</IFTA_ISSUE_DATE> <IFTA_EXPIRE_DATE>2009-12-01</IFTA_EXPIRE_DATE> <IFTA_UPDATE_DATE>2008-12-30</IFTA_UPDATE_DATE> <NAME_TYPE>LG</NAME_TYPE> <NAME>K D L TRUCKING INC</NAME> <ADDRESS_TYPE>MA</ADDRESS_TYPE> <STREET_LINE_1>200 MARTIN LANE</STREET_LINE_1> <CITY>OHATCHEE</CITY> <STATE>AL</STATE> <ZIP_CODE>36271</ZIP_CODE> <COUNTRY>US</COUNTRY> </IFTA_ACCOUNT> </T0019> I have taken first two records from generated XSLT. With the use of XSLT I have tried lot to group record on basis of IFTA_LICENSE_NUMBER,IFTA_BASE_COUNTRY,IFTA_BASE_ST ATE,NAME_TYPE,ADDRESS_TYPE but i failed to generated XML like this.. <?xml version="1.0" encoding="UTF-8" ?> <T0019> <IFTA_ACCOUNT> <IFTA_CARRIER_ID_NUMBER>705</IFTA_CARRIER_ID_NUMBER> <IFTA_BASE_COUNTRY>US</IFTA_BASE_COUNTRY> <IFTA_BASE_STATE>AL</IFTA_BASE_STATE> <IFTA_LICENSE_NUMBER>631227666</IFTA_LICENSE_NUMBER> <IFTA_STATUS_CODE>0</IFTA_STATUS_CODE> <IFTA_STATUS_DATE>2009-01-01</IFTA_STATUS_DATE> <IFTA_ISSUE_DATE>2009-01-01</IFTA_ISSUE_DATE> <IFTA_EXPIRE_DATE>2009-12-01</IFTA_EXPIRE_DATE> <IFTA_UPDATE_DATE>2008-12-30</IFTA_UPDATE_DATE> <IFTA_NAME> <NAME_TYPE>LG</NAME_TYPE> <NAME>K D L TRUCKING INC</NAME> <IFTA_ADDRESS> <ADDRESS_TYPE>PH</ADDRESS_TYPE> <STREET_LINE_1>200 MARTIN LANE</STREET_LINE_1> <STREET_LINE_2 /> <CITY>OHATCHEE</CITY> <STATE>AL</STATE> <ZIP_CODE>36271</ZIP_CODE> <COUNTY>CALHOUN COUNTY</COUNTY> <COUNTRY>US</COUNTRY> </IFTA_ADDRESS> <IFTA_ADDRESS> <ADDRESS_TYPE>MA</ADDRESS_TYPE> <STREET_LINE_1>200 MARTIN LANE</STREET_LINE_1> <STREET_LINE_2 /> <CITY>OHATCHEE</CITY> <STATE>AL</STATE> <ZIP_CODE>36271</ZIP_CODE> <COUNTY /> <COUNTRY>US</COUNTRY> </IFTA_ADDRESS> </IFTA_NAME> </IFTA_ACCOUNT> </T0019>

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  • Adding Custom Pipeline code to the Pipeline Component Toolbox

    - by Geordie
    Add ... "C:\Program Files\Microsoft Visual Studio 8\SDK\v2.0\Bin\GacUtil.exe" /nologo /i "$(TargetPath)" /f  xcopy "$(TargetPath)" "C:\Program Files\Microsoft BizTalk Server 2006\Pipeline Components" /d /y to the 'Post Build event command line' for the pipeline support component project in visual studio. This will automatically put the support dll in the GAC and BizTalk’s Pipeline component directory on building the solution/project. Build the project. Right Click on title bar and select Choose items. Click on the BizTalk Pipeline Components tab and select the new component from the list. If it is not available in the list Browse to the BizTalk pipeline component folder (C:\Program Files\Microsoft BizTalk Server 2006\Pipeline Components) and select the dll.

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  • How to sort a date array in PHP

    - by Click Upvote
    I have an array in this format: Array ( [0] => Array ( [28th February, 2009] => 'bla' ) [1] => Array ( [19th March, 2009] => 'bla' ) [2] => Array ( [5th April, 2009] => 'bla' ) [3] => Array ( [19th April, 2009] => 'bla' ) [4] => Array ( [2nd May, 2009] => 'bla' ) ) I want to sort them out in the ascending order of the dates (based on the month, day, and year). What's the best way to do that? Originally the emails are being fetched in the MySQL date format, so its possible for me to get the array in this state: Array [ ['2008-02-28']='some text', ['2008-03-06']='some text' ] Perhaps when its in this format, I can loop through them, remove all the '-' (hyphen) marks so they are left as integars, sort them using array_sort() and loop through them yet again to sort them? Would prefer if there was another way as I'd be doing 3 loops with this per user. Thanks. Edit: I could also do this: $array[$index]=array('human'=>'28 Feb, 2009', 'db'=>'20080228', 'description'=>'Some text here'); But using this, would there be any way to sort the array based on the 'db' element alone? Edit 2: Updated initial var_dump

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  • Blocking a distributed, consistent spam attack? Could it be something more serious?

    - by mattmcmanus
    I will do my best to try and explain this as it's strange and confusing to me. I posted a little while ago about a sustained spike in mysql queries on a VPS I had recently setup. It turned out to be a single post on a site I was developmenting. The post had over 30,000 spam comments! Since the site was one I was slowly building I hadn't configured the anti-spam comment software yet. I've since deleted the particular post which has given the server a break but the post's url keeps on getting hit. The frustrating thing is every hit is from a different IP. How do I even start to block/prevent this? Is this even something I need to worry about? Here are some more specific details about my setup, just to give some context: Ubuntu 8.10 server with ufw setup The site I'm building is in Drupal which now has Mollom setup for spam control. It wasn't configured before. The requests happen inconsistently. Sometimes it's every couple seconds and other times it's a an or so between hits. However it's been going on pretty much constantly like that for over a week. Here is a sample of my apache access log from the last 15 minutes just for the page in question: dev.domain-name.com:80 97.87.97.169 - - [28/Mar/2010:06:47:40 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 202.149.24.193 - - [28/Mar/2010:06:50:37 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 193.106.92.77 - - [28/Mar/2010:06:50:39 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 194.85.136.187 - - [28/Mar/2010:06:52:03 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 220.255.7.13 - - [28/Mar/2010:06:52:14 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 195.70.55.151 - - [28/Mar/2010:06:53:41 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 71.91.4.31 - - [28/Mar/2010:06:56:07 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 98.209.203.170 - - [28/Mar/2010:06:56:10 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 24.255.137.159 - - [28/Mar/2010:06:56:19 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 77.242.20.18 - - [28/Mar/2010:07:00:15 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 94.75.215.42 - - [28/Mar/2010:07:01:34 +0000] "POST /comment/reply/3 HTTP/1.0" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 89.115.2.128 - - [28/Mar/2010:07:03:20 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 75.65.230.252 - - [28/Mar/2010:07:05:05 +0000] "POST http://dev.domain-name.com/comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 206.251.255.61 - - [28/Mar/2010:07:06:46 +0000] "POST /comment/reply/3 HTTP/1.0" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" dev.domain-name.com:80 213.194.120.14 - - [28/Mar/2010:07:07:22 +0000] "POST /comment/reply/3 HTTP/1.1" 404 5895 "http://dev.domain-name.com/blog/2009/11/23/another" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" I understand this is an open ended question, but any help or insight you could give would be much appreciated.

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  • Finding rows that intersect with a date period

    - by DavidWimbush
    This one is mainly a personal reminder but I hope it helps somebody else too. Let's say you have a table that covers something like currency exchange rates with columns for the start and end dates of the period each rate was applicable. Now you need to list the rates that applied during the year 2009. For some reason this always fazes me and I have to work it out with a diagram. So here's the recipe so I never have to do that again: select  * from    ExchangeRate where   StartDate < '31-DEC-2009'         and EndDate > '01-JAN-2009'   That is all!

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  • Les netbooks connaissent une progression record de 71 % selon Gartner : qui a dit qu'ils étaient dép

    Mise à jour du 26/05/10 Les ventes de Netbooks connaissent une progression record De + 71 % par rapport au premier trimestre 2009 : qui a dit que les PC low-costs étaient morts ? 2009 avait été une année noire mais tout de même. Selon le cabinet Gartner, les ventes de PC portables auraient progressé de plus de 40 % au premier trimestre 2010 par rapport au premier trimestre 2009 (+ 43,4 %). Le cabinet précise qu'il s'agit de la plus forte progression enregistrée depuis 8 ans. Plus impressionnant encore « les Netbooks ont participé pour une part importante à la croissance, leurs ventes ont progressé de 71% par rapport à la mêm...

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  • Les netbooks connaissent une progression record de 71 % selon Gartner : qui a dit qu'ils étaient dép

    Mise à jour du 26/05/10 Les ventes de netbooks connaissent une progression record De + 71 % par rapport au premier trimestre 2009 : qui a dit que les PC low-costs étaient morts ? 2009 avait été une année noire mais tout de même. Selon le cabinet Gartner, les ventes de PC portables auraient progressé de plus de 40 % au premier trimestre 2010 par rapport au premier trimestre 2009 (+ 43,4 %). Le cabinet précise qu'il s'agit de la plus forte progression enregistrée depuis 8 ans. Plus impressionnant encore « les netbooks ont participé pour une part importante à la croissance, leurs ventes ont progressé de 71% par rapport à la mêm...

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  • Common business drivers that lead to creating and sustaining a project

    Common business drivers that lead to creating and sustaining a project include and are not limited to: cost reduction, increased return on investment (ROI), reduced time to market, increased speed and efficiency, increased security, and increased interoperability. These drivers primarily focus on streamlining and reducing cost to make a company more profitable with less overhead. According to Answers.com cost reduction is defined as reducing costs to improve profitability, and may be implemented when a company is having financial problems or prevent problems. ROI is defined as the amount of value received relative to the amount of money invested according to PayperclickList.com.  With the ever increasing demands on businesses to compete in today’s market, companies are constantly striving to reduce the time it takes for a concept to become a product and be sold within the global marketplace. In business, some people say time is money, so if a project can reduce the time a business process takes it in fact saves the company which is always good for the bottom line. The Social Security Administration states that data security is the protection of data from accidental or intentional but unauthorized modification, destruction. Interoperability is the capability of a system or subsystem to interact with other systems or subsystems. In my personal opinion, these drivers would not really differ for a profit-based organization, compared to a non-profit organization. Both corporate entities strive to reduce cost, and strive to keep operation budgets low. However, the reasoning behind why they want to achieve this does contrast. Typically profit based organizations strive to increase revenue and market share so that the business can grow. Alternatively, not-for-profit businesses are more interested in increasing their reach within communities whether it is to increase annual donations or invest in the lives of others. Success or failure of a project can be determined by one or more of these drivers based on the scope of a project and the company’s priorities associated with each of the drivers. In addition, if a project attempts to incorporate multiple drivers and is only partially successful, then the project might still be considered to be a success due to how close the project was to meeting each of the priorities. Continuous evaluation of the project could lead to a decision to abort a project, because it is expected to fail before completion. Evaluations should be executed after the completion of every software development process stage. Pfleeger notes that software development process stages include: Requirements Analysis and Definition System Design Program Design Program Implementation Unit Testing Integration Testing System Delivery Maintenance Each evaluation at every state should consider all the business drivers included in the scope of a project for how close they are expected to meet expectations. In addition, minimum requirements of acceptance should also be included with the scope of the project and should be reevaluated as the project progresses to ensure that the project makes good economic sense to continue. If the project falls below these benchmarks then the project should be put on hold until it does make more sense or the project should be aborted because it does not meet the business driver requirements.   References Cost Reduction Program. (n.d.). Dictionary of Accounting Terms. Retrieved July 19, 2009, from Answers.com Web site: http://www.answers.com/topic/cost-reduction-program Government Information Exchange. (n.d.). Government Information Exchange Glossary. Retrieved July 19, 2009, from SSA.gov Web site: http://www.ssa.gov/gix/definitions.html PayPerClickList.com. (n.d.). Glossary Term R - Pay Per Click List. Retrieved July 19, 2009, from PayPerClickList.com Web site: http://www.payperclicklist.com/glossary/termr.html Pfleeger, S & Atlee, J.(2009). Software Engineering: Theory and Practice. Boston:Prentice Hall Veluchamy, Thiyagarajan. (n.d.). Glossary « Thiyagarajan Veluchamy’s Blog. Retrieved July 19, 2009, from Thiyagarajan.WordPress.com Web site: http://thiyagarajan.wordpress.com/glossary/

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  • light.exe : error LGHT0217: Error executing ICE action &lsquo;ICE*&rsquo; with BizTalk Deployment Framework &amp; TFS 2010 Build.

    - by Vishal
    Hi there, Recently I was working with BizTalk Deployment Framework v5.0 for my BizTalk Sever 2009 projects and TFS 2010 Builds. I had followed all the steps mentioned in the BTDF documentation to create the build definition and also followed the steps to setup the Build Server with BTDF. After few hiccups I was stuck at this light.exe validation error. The detailed error is as below: light.exe : error LGHT0217: Error executing ICE action 'ICE06'. The most common cause of this kind of ICE failure is an incorrectly registered scripting engine. See http://wix.sourceforge.net/faq.html#Error217 for details and how to solve this problem. The following string format was not expected by the external UI message logger: "The Windows Installer Service could not be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personnel for assistance." I found few blog posts and forum answers out there which had steps to resolve the error but all of them mentioned different things. Like: Some mentioned that disable the validation itself so that the VBScript would not be called. (I didn’t want to disable the validation.) Another said to put NT AUTHORITY\NETWORK SERVICE in the local Administrators group but this is not recommended as it opens up network security holes. But what actually worked for me was: TFS Build Service Account was part of the Administrator group on the Build Server which is OK. But somehow it was also part of the IIS_IUSR Group. I removed the TFS Build Service Account from the IIS_IUSR group. Queued up my TFS Build but same error. Again after some digging, I found that I had not restarted the Visual Studio Team Build Service. In a Nutshell: Remove TFS Build Service Account from IIS_IUSR Group. Restart the Visual Studio Team Build Service, either from Services or TFS Console.   Hope this resolves the issue for someone and not waste bunch of hours.   Thanks, Vishal Mody

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  • Classes / instances in Ontology

    - by SODA
    Hi, I'm trying to comprehend ontology basics. Here's an example: car (class) 2009 VW CC (sub-class or instance?) My neighbor's 2009 VW CC (instance) My issue is understanding what is "2009 VW CC" (as a car model). If you're making product model a sub-class in the ontology - all of a sudden your ontology becomes bloated with thousands of subclasses of a "car". That's redundant. At the same time we can't say "2009 VW CC" is an instance, at least it's not material instance of a class. Does it make sense to distinguish between regular instances and material (distinct physical objects)? At the other hand, if both are instances (of different nature so to say), then how can instance inherit properties / relations of a non-class?

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  • Regex for date.

    - by Harikrishna
    What should be the regex for matching date of any format like 26FEB2009 30 Jul 2009 27 Mar 2008 29/05/2008 27 Aug 2009 What should be the regular expression for that ? I have regex that matches with 26-Feb-2009 and 26 FEB 2009 with but not with 26FEB2009. So if any one know then please update it. (?:^|[^\d\w:])(?'day'\d{1,2})(?:-?st\s+|-?th\s+|-?rd\s+|-?nd\s+|-|\s+)(?'month'Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[uarychilestmbro]*(?:\s*,?\s*|-)(?:'?(?'year'\d{2})|(?'year'\d{4}))(?=$|[^\d\w]) EDIT The date 26FEB2009 is substring of other string like FUTIDX 26FEB2009 NIFTY 0 and parsed from html page, so I can not set the whitespace or delimiter.

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