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• Help for server down.

  - by SpawnCxy

  Hi all, I wonder what the follow command does,but I was warned not to run it if I'm not an expert.But I have run it,and my Linux down. :() { :|:& }; : What does the code exactly do?Hope someone give an explaintion of it.And what should I do now? Thanks.

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• Finding the SQL output of a parameterized query

  - by Dan Monego

  I'm making a parameterized query using C# against a SQL server 2005 instance, and I'd like to take a look at the SQL that is run against the database for debugging purposes. Is there somewhere I can look to see what the output SQL of the parameterized command is, either in the database logs or in the Visual Studio debugger?

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• Unable to download jars using M2Eclipse (0.10.0, using Maven 3)

  - by DeepNightTwo

  I am using M2Eclipse (0.10.0, Maven 3)in projects. I can add Maven dependency using m2eclipse. But dependency jars couldn't be downloaded. Instead, it created a file in each local repo folder named [JAR_Name].jar.lastupdate. The content of this file is some thing like : http\://[REPO_URL]/central/=1276221188566 Even using Maven 3 command line. Jars couldn't be downloaded. Any idea about how could this happen?

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• Fatal IO error 0 (Success) on X server

  - by Ori Pessach

  What does the error "Fatal IO error 0 (Success) on X server" mean? The error is produced when an X client tries to call XvCreateImage(), and it results in the client terminating. X.0.log shows the following version information: X.Org X Server 1.6.4 Release Date: 2009-9-27 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-23-server i686 Ubuntu Current Operating System: Linux ori-laptop 2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 16:20:31 UTC 2009 i686 Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.31-17-generic root=UUID=df637de9-47ed-4453-9393-67e2e2ffaa2f ro quiet splas

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• Queuing methods to be run on an object by different threads in Python

  - by Ben

  Let's say I have an object who's class definition looks like: class Command: foo = 5 def run(self, bar): time.sleep(1) self.foo = bar return self.foo If this class is instantiated once, but different threads are hitting its run method (via an HTTP request, handled separately) passing in different args, what is the best method to queue them? Can this be done in the class definition itself?

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• What does int argc, char *argv[] mean?

  - by Greg Treleaven

  In many C++ IDE's and compilers, when it generates the main function for you, it looks like this: int main(int argc, char *argv[]) When I code C++ without an IDE, just with a command line compiler, I type: int main() without any parameters. What does this mean, and is it vital to my program?

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• curb not working with rails

  - by Mike

  I have a simple class that is using curb to retrieve data. Everything works just find from the command line, but when I load it into my rails application WebBrick crashes on the "require 'curb'" statement. I'm extremely new to ruby so I'm not sure how exactly to debug the error from webbrick to determine what is wrong. If someone knows how to solve this issue that would be great, if someone could also point me into the right direction to start troubleshooting the issue myself that would also help.

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• Setting Java 1.6 as the default on Mac OS X 10.5.8

  - by Eyvind

  How can I set Java 1.6 to be the default for my MacBook Pro Intel Core 2 Duo with OS X 10.5.8? I have installed the latest software update, and dragged the Java SE 6 64-bit choice to the top in the "Java Preferences" application (and even rebooted), but still, on the command line, java -version responds with: java version "1.5.0_24" Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_24-b02-357-9M3165) Java HotSpot(TM) Client VM (build 1.5.0_24-149, mixed mode, sharing) Any ideas?

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• Linq to Sql get SqlCommand when stored procedure execution fails

  - by Tim Mahy

  Hi all, currently I'm assigning a TextWriter to the Log property of my Linq to Sql data context (per request instancing) and write this to my logging when an exception is thrown while executing a stored procedure (is strongly typed mapped in the context, so not executing a custom command) however when using ADO.NET we normally inspect the SqlCommand upon unhandled exception to read out the parameters and log them is it possible to access the SqlCommand that was used for executing a Stored Procedure in L2S so we can reuse that existing logging component? This would be far nicer than the current Log TextWriter solution.... greetings, Tim

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• Shell scripting : Find file with the name 'error_log' and check sizes, remove if over a certain size

  - by Roy

  Hi guys, I am trying to create a shell script/command that find error_log files created by PHP, check their file sizes and remove them if over a certain size. I have only gotten as far as printing the files and file sizes with the code below for i in `locate -r 'error_log$'`;do echo "$i|" `stat -c %s $i`;done Can anyone help? Thanks in advance!

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• Running a Python script outside of Django

  - by geejay

  I have a script which uses the Django ORM features, amongst other external libraries, that I want to run outside of Django (that is, executed from the command-line). Edit: At the moment, I can launch it by navigating to a URL... How do I setup the environment for this?

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• How to create ASCII animation in Windows Console application using C#?

  - by Hamish Grubijan

  I would like it to display non-flickery animation like this awesome Linux command; sl http://www.youtube.com/watch?v=9GyMZKWjcYU I would appreciate a small & stupid example of say ... a fly. Thanks!

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• Graphical Sudo for Mac OSX

  - by Johannes

  Hi. I'm designing a little software in java. Don't know the term/definition to what I'm doing, but I'm prompting commands from java to the terminal. Something like this: Process process = Runtime.getRuntime().exec("command"); I've done this before in linux, and I used the gksudo for commands that required root password. Is there any "gksudo" in os x? Any graphical popup asking for root password. Thanks =)

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• Cleaning Sencha Touch project from unused folders

  - by Software developer

  I created a sencha touch 2.0 project using command line $ sencha generate app GS ../GS The sencha project has an sdk folder which contains many folders I developed an application and tried it on a browser.. Now I want to install it on Android mobile using Phonegap 1.8. The problem is that the project is too big and the emulator shows that there is no space on the devive My question is how can I clean the project from unused folders, specially the ones in sdk directory?

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• How can I sum up the lines added/removed by a user in a git repo?

  - by Mike

  I am trying to find the total number of lines added and total number of lines removed by a user in a git repository. I looked at http://stackoverflow.com/questions/1265040/how-to-count-total-lines-changed-by-a-specific-author-in-a-git-repository, which had the command git log --author="<authorname>" --pretty=tformat: --numstat, but the answer failed to give a script(however simple) to total the lines changed. What's the simplest way to sum up the lines added/removed?

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• C++ standard input from file when debugging from IDE

  - by incrediman

  I'm using VS 2010, and I'm wondering how I can get my c++ program to read a file using standard input while debugging. I know how to do it from command prompt, but not when debugging. Basically I want it to read in a file with cin instead of me typing stuff - but in debug mode.

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• Undo "git add"?

  - by ceretullis

  Git newbie here, quick question. I mistakenly added files using the command "git add file". I have not yet run "git commit". Is there a way to remove these files from the commit?

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• What's the best Mac custom disk image creation app?

  - by Lawrence Johnston

  I'm looking for a custom disk image creation app that I can integrate into the build process for my app (which means I need to be able to run it from the command line if possible). My desired features are that it will size the image for me, let me set the location of my icons when the image is opened, set a custom background/icon, etc. Free would be nice but if there's something that does exactly what I need I'll pay for it.

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• CakePHP ACL - Do I need to add all my users to ARO ?

  - by dilip

  I have a users table and also have a column for role. Added the roles in ARO. the command : cake acl view aro shows 1 role1 2 role2 3 role3 Me confused about creating ACO. Should I add all my users to ARO ? Thanks

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• Expanding the xamwebgrid row to show additional details

  - by user252160

  I have the following idea: when the user clicks on the more... button of a grid row, the row must expand into a detailed state that shows additional details for the current entry. I know that xamwebgrid provides an expand command, but isn't it just for hierarchical data purposes? How can I display some movie screenshots let's say, only in expanded view ?

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• Is django orm & templates thread safe?

  - by Piotr Czapla

  I'm using django orm and templates to create a background service that is ran as management command. Do you know if django is thread safe? I'd like to use threads to speed up processing. The processing is blocked by I/O not CPU so I don't care about performance hit caused by GIL.

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• java filenames filter pattern

  - by Sergey

  Hello, I need to implement File[] files = getFiles( String folderName, String ptrn ); Where ptrn is a command prompt style pattern like "*2010*.txt" I'm familar with FilenameFilter class, but can't implement public boolean accept(File dir, String filename) because String.matches() doesn't accept such patterns. Thanks!

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• WITH statement in Java

  - by Mike Clark

  In VB.NET there is the WITH command that lets you omit an object name and only access the methods and properties needed. For example: With foo .bar() .reset(true) myVar = .getName() End With Is there any such syntax within Java? Thanks!

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• Problem running latex from FastCGI

  - by Engwan

  I have a program which does a system call: latex somefile.latex This runs ok, when I type it directly in the command line, or when i invoke the program via CGI. But when it is using FastCGI, the system call returns: This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009) ---! Must increase the hyph_size (Fatal format file error; I'm stymied) I already tried to increase the hyph_size but still no effect.

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• Using grep to find files that doesn't contain a given string pattern

  - by Senthil Kumar

  I'm using the following command in my web application to find all files in the current directory that contain the string foo (leaving out svn directories). find . -not -ipath '.*svn*' -exec grep -H -E -o "foo" {} \; > grep_results.txt How do I find out the files that doesn't contain the word foo?

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