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• Customized command line parsing in Python

  - by Moshe

  I'm writing a shell for a project of mine, which by design parses commands that looks like this: COMMAND_NAME ARG1="Long Value" ARG2=123 [email protected] My problem is that Python's command line parsing libraries (getopt and optparse) forces me to use '-' or '--' in front of the arguments. This behavior doesn't match my requirements. Any ideas how can this be solved? Any existing library for this?

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• Does lshw list the "factory" speed of a memory module or the effective speed and how to find the former?

  - by Panayiotis Karabassis

  I hope I phrased this correctly. lshw gives: description: DIMM Synchronous 400 MHz (2.5 ns) product: M378B5773CH0-CH9 vendor: Samsung physical id: 0 slot: DIMM0 size: 2GiB width: 64 bits clock: 400MHz (2.5ns) And indeed the memory speed is set is set to 800MHz in the BIOS, which I think makes sense since it is a double rate. On the other hand, Googling strongly suggests that to this product number corresponds the PC3-10600 type, which is 1333MHz, not 800MHz. And this seems to be confirmed in the BIOS, where if I select Auto for memory bus speed, 1333MHz is selected "based on SPD settings". However in the latter case, the computer does not boot, i.e. the kernel panics, complaining that something attempted to kill the Idle process. So, I am I am beginning to suspect that I have been given defective memory, the technician that installed saw this, and lowered the bus speed. Is this a possibility?

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• Why is my ethernet interface in promiscuous mode

  - by nhed

  I read that seeing a flag of M in netstat -i is the way to tell which of your interfaces is in promiscuous mode I run it and I see that eth1 is in promiscuous mode $ netstat -i Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth1 1500 0 1770161198 0 0 0 57446481 0 0 0 BMRU lo 16436 0 97501566 0 0 0 97501566 0 0 0 LRU This seems to be the case on all the machines I checked (All Centos6.0, both virtual and physical), any idea why ethernet devices would be in such a mode unless someone was running any pcap based app (sudo lsof | grep pcap shows nothing)? I did not see any mention of promiscuous in any of the config files (sudo grep -r promis /etc) Any ideas what puts the interface into that mode and why? p.s. most of the posts I see seem to be security related, this is not that

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• On what platform did these popular programming languages originate?

  - by speciousfool

  Perhaps you know the story of HTTP and HTML being developed on a NeXT computer. I am curious which platform served as the first home for these programming languages: Ada C C++ C# D Erlang Fortran Haskell Java Javascript Lisp Logo MATLAB ML Perl PHP Prolog Python R Ruby Scheme SQL Smalltalk I thought it might be interesting to reflect on how the machine and operating environment lead to different design decisions. Or to see if some architecture or operating system variant was particularly fruitful for programming language development. A question for the historians among us.

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• How can I change the lock screen in Windows 8 that appears for the default user?

  - by Mark Allen

  This is about Windows 8 RTM. How can I change the lock screen in Windows 8 that appears after connecting to the machine via RDP? You can change your lock screen for your user account like so: Hit the Windows key. Right click your user name in the upper right hand corner, choose Change Account Picture. Click Lock Screen, choose a new picture. However, if you then connect to the computer where you've done this from another computer via RDP, using the same account, the physical machine you've connected to will display the "default" user lock screen - a stylized Space Needle / Seattle picture. It's not a bad picture, but I'd like to change it.

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• HTML+CSS+Javascript: hi, I'm getting crazy with this

  - by Patrick

  hi, I'm getting crazy with some browsers fixes to do everytime I'm doing a new website. For example, lately I've built my own Flash Video Player and I lost hours to fix some problems such as aligning it in IE and Firefox and Safari. Would be so cool to have a intermediary layer, I could use to design my website, without taking care of all browsers fixes... I guess I'm a dreamer

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• How do I make a virtualised WAN?

  - by EnchantedEggs

  I want to create a virtualised WAN. As in, I want to have a couple of VMs (VBox) on one physical host machine, that exist on separate LANs, but that can talk to each other. Do I make the VMs, set them up with different IP addresses (e.g. 1.2.3.4 and 5.6.7.8) and then configure port forwarding between them somehow??? I've seen articles that set up port forwarding on port 2222, but I don't really understand why this works. How is setting up the VM to listen to port 2222 and then port forward from there to, say, port 80, any different from just telling the VM to listen on port 80 in the first place? FYI, the VMs run Ubuntu Desktop 14.x.

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• 500 internal server error

  - by Rockr

  I am facing 500.0 Internal server quite frequently with my website. The error details are given below. HTTP Error 500.0 - Internal Server Error C:\PHP\php-cgi.exe - The FastCGI process exceeded configured activity timeout Module FastCgiModule Notification ExecuteRequestHandler Handler PHP_via_FastCGI Error Code 0x80070102 Requested URL http://mydomain.com:80/index.php Physical Path C:\HostingSpaces\coderefl\mydomain.com\wwwroot\index.php Logon Method Anonymous Logon User Anonymous When I contacted the support team, they're saying that my site is making heavy SQL Queries. I am not sure how to debug this. But my site is very small and the database is optimized. I'm running wordpress as platform. How to resolve this issue?

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• How to do more programming/technical stuff?

  - by Bell

  I working as an IT consultant and I am currently doing functional stuff like requirements gathering, documentations and writing test specs etc. I kind of sick of this kind of job scope and wish to do more programming/ design / technical stuff. Because I get more satisfaction doings the things rather than telling other to do Anyone in the same dilemma as me and any suggestions on how to get on with working life?

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• spontaneous hard disk password

  - by sc

  I had an HP proliant server go down recently. All of the sudden the sas controller (e200i) would not see any of the physical disks. New disks were detected just fine. I thought it was odd that all 6 disks would go down at one time so sent them to a data recovery firm to find out what happened. I'm being told that, somehow, all of the disks were spontaneously password protected. These are Hitachi 2.5" drives and I guess this is something of a known issue. The company has worked for a while to try and recover them, with no luck. Has anyone had experience with this? Any recommendations for how to recover the drives or a company that might have the expertise to do so?

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• Adobe AIR can't show Flash embedded in HTML?

  - by panduwana

  Hi all, of all three choices (AIR+AJAX, +Flash, and +FLEX) I went on the AJAX route. But it seems that it can't show Flash embedded in HTML (using the traditional OBJECT tag). Is it by design? or my fault?

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• Tool for memory leak

  - by user343826

  How memory leak tools like purify,valgrind work ..? How to design n implement our own such a tool.

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• Web server replica not working in other server

  - by user761076

  I have a Drupal installation (php+mysql) in a server, and I'm trying to copy this installation to another server with the same configuration, same physical and virtual path, same db configuration, etc. The thing is, in my new server I get the homepage to work, but not the inner pages, so I guess has something to do with rewrite (mod_rewrite is installed) (both .htaccess are the same). When I access http://localhost/myweb/content/mypage I get a 404 or a "Forbidden" if I uncomment this in httpd.conf (original httpd.conf does not have this entry): <Directory path/to/docs"> DirectoryIndex index.php index.html Options Indexes FollowSymLinks AllowOverride None Order allow,deny Allow from all </Directory> Any clue? Thank you

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• Simple Ubuntu Server - Expanding disk space - adding a new drive LVM, RAID0 existing setup - how?

  - by NightWolf

  I have a 1TB ext4 partition mounted at / with all my data and Ubuntu 11.04 (natty) installed. Now this drive is almost full (I used it as a database server for some processing). RAID0 is ok, I can take a failure (touch wood). But I need a way to grow this partition. I have a new 1TB drive I want to add, however as my Ubuntu boot and all data is on the one partition I'm not sure how I can go about setting up a RAID0 or LVM array without loosing all my data. So the question is how can I extend my existing ext4 partition over two physical drives without losing data? Thanks!

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• What script is vBulletin using for their manual?

  - by Chris

  http://www.vbulletin.com/docs/html/ Are they using a custom design or is that a script? If it's custom, is there something similar to it that I could use to document my software?

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• how do I delete my alternate drive icon on the ubuntu desktop?

  - by broiyan

  I'm on a system with a Windows drive and an Ubuntu drive (both physical, not virtual). Under the Ubuntu Places menu, there is a "320 GB file system" which is the Windows disk. The same drive also appears as an icon on the desktop (but unlike everything else on the desktop, it does not appear in the directory listing of ~/Desktop). I think the icon was put on the desktop by accident and I never use it because the Places menu suffices. How can I delete this icon? Selecting then deleting does not work.

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• USB Device With Embedded Fileserver

  - by Richard Martinez

  I'm attempting to access logs from a proprietary hardware box with no reasonable hope of modifying the software. There is a process on the device to dump log files to a flash drive on the USB port after entering a code sequence. Currently, analysis of the logs requires the following: Physical presence at the device Manual entry of the code sequence Removal of USB device Insertion of USB device into a normal Linux box I'm hoping there is some sort of device that can act as a USB mass storage device but simultaneously make it's contents available as a network file share (wired preferred). Does such a device currently exist? A combo hardware/software solution would also work.

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• Updating weather info, should I use alarm and/or a service?

  - by Pentium10

  I am having some design techniques about How shall I schedule a code to retrieve the weather info? Should I use alarms to retrieve the weather each 10 minutes? And do I need to run a service for this? Or just put the code in the Broadcastreceiver and start when the alarm fired?

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• OpenVZ multiple networks on CTs

  - by user6733

  I have Hardware Node (HN) which has 2 physical interfaces (eth0, eth1). I'm playing with OpenVZ and want to let my containers (CTs) have access to both of those interfaces. I'm using basic configuration - venet. CTs are fine to access eth0 (public interface). But I can't get CTs to get access to eth1 (private network). I tried: # on HN vzctl set 101 --ipadd 192.168.1.101 --save vzctl enter 101 ping 192.168.1.2 # no response here ifconfig # on CT returns lo (127.0.0.1), venet0 (127.0.0.1), venet0:0 (95.168.xxx.xxx), venet0:1 (192.168.1.101) I believe that the main problem is that all packets flows through eth0 on HN (figured out using tcpdump). So the problem might be in routes on HN. Or is my logic here all wrong? I just need access to both interfaces (networks) on HN from CTs. Nothing complicated.

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• Facebook FanBox Widget demo

  - by Midday

  is there a demo for the FanBox? http://wiki.developers.facebook.com/index.php/Fan_Box I would like to include it in a design for a client which doesn't have a facebook fanpage yet.

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• Ubuntu 12.04 3.2 Kernel showing incorrect "cache size" in cpuinfo?

  - by Tom G

  2x Xeon E5620 . 16 Cores altogether. /proc/cpuinfo shows cache is only @ 4096kb According to intel this should have 12MB of "smart cache". Doing searched for E5620 and CPUinfo shows the correct number: cache size : 12288 KB However mine shows this: processor : 15 v endor_id : GenuineIntel cpu family : 6 model : 44 model name : Intel(R) Xeon(R) CPU E5620 @ 2.40GHz stepping : 2 microcode : 0x1 cpu MHz : 2400.104 cache size : 4096 KB fpu : yes fpu_exception : yes cpuid level : 11 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx bogomips : 4800.20 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual Any idea on why it shows like it's missing 8MB in CPU cache? .

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• Combining ASP.NET controls with CSS

  - by Sniffer

  I am relatively new to website design and specifically working in ASP.NET, i am using CSS to style my site, but when i use ASP.NET Controls like GridView, Navigation controls, etc ... they are messed up by the style sheets, and you can't see that until you run the website, because the controls are translated to HTML and so affected by CSS in a way that you can't predict, how to solve this, and is there a better way to layout and desgin sites in ASP.NET.

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• background image vertical repeat for a div

  - by ShiVik

  hello all I want to repeat a background-image for a div vertically till the bottom of the page. #repeat { background: url(repeat-image.png) repeat-y; height: 100%; /* this does not work, but height: 1024px; does */ } This does not work. I need to do so according to the page design that I have got. Can this be done? With regards Vikram

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• Javascript change mouse up down to left right

  - by ThomasReggi

  I want to design a horizontal site, so when I scroll up and down I want the page to go from left to right. Is this possible?

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• Is there any MS SQL database designer software like MySQL workbench?

  - by newbie

  I need to design database for MS SQL Server, is there any MySQL workbench like software for that? I have access to MSDN, so it can also be commercial product that can be found form MSDN.

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