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  • Ruby: execute a binary file in memory?

    - by John
    Is it possible to read binary in ruby file and execute it directly in memory? for example something like this: x = IO.read('/bin/ls') execute(x) I tried system(x) but it doesn't work ArgumentError: string contains null byte

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  • How do debug header file implemetation (its .cpp) in c++ using GDB

    - by zengr
    Hi, I have these 3 file in my program: sample1.h (method in sample1.cpp are defined here) sample1.cpp (all the actual implementations) demo.cpp (I am using the methods in sampe1.cpp here, and have included sample1.h) Now, I am using GDB to debug and I know the basic commands like "break lineno." or "break methodname". But, how do I debug the methods written in sample1.cpp? I tried: break "sample1.cpp:mymethod" but it did not work. Thanks

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  • Perl and hosts file mapping question?

    - by user275633
    All, I have a hosts file that looks like this: 10.10.10.1 myserver1 myserver1alias 10.10.10.2 myserver2 myserver2alias I'm looking for a way using perl to pass in an argument of myserver1 and have it return myserver1alias, likewise if I pass in myserver2 it should return myserver2alias. Any suggestions?

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  • htaccess url rewrite,remove querystring and file extension

    - by Miranda
    my current url is something like: http://something.somedomain.com/about_us/profile.php?tab1=about_us a more complicated on is: http://something.somedomain.com/exchange_hosting/feature/outlook_web_access.php?tab1=exchange_hosting&tab2=feature&tab3=outlook_web_access i want to make them shorter: http://something.somedomain.com/about_us/profile http://something.somedomain.com/exchange_hosting/feature/outlook_web_access my .htaccess ################################# # Directory Indexes # ################################# DirectoryIndex index.php ######################################### # REWRITE RULES # ######################################### RewriteEngine On RewriteBase / Options +FollowSymlinks <IfModule mod_rewrite.c> #not a file RewriteCond %{REQUEST_FILENAME} !-f #not a dir RewriteCond %{REQUEST_FILENAME} !-d #this dosen't work #RewriteRule ^([a-zA-Z0-9_-]+)/([a-zA-Z0-9_-]+)$ /$1.php?tab1=$0&tab2=$1 </IfModule> # END #

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  • Wix - set file read access

    - by Sean
    I am looking into a way of setting read access on a specific file for a web application (where all files read option is set to be false--unchecked in IIS) deployed with Wix. Is it a possible option at all or I am asking the question in a wrong way? Thank you.

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  • Getting path of file copied after deployment in a unit test C#

    - by amitchd
    Hi, The connection string in my app.config for my C# project looks like Data Source=.\SQLEXPRESS;AttachDbFilename='|DataDirectory|\EIC.mdf';Integrated Security=True;User Instance=True" I am writing unit tests for the project and have the set the test run configuration to copy the EIC.mdf, but I do am not able to reference the Deployed copy of EIC.mdf to be referenced by the app.config I created for the test project. If I set it to Data Source=.\SQLEXPRESS;AttachDbFilename='EIC.mdf';Integrated Security=True;User Instance=True" It still does not find the mdf file.

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  • c++: how can i read a file line by line to a string type variable?

    - by ufk
    Hiya. I'm trying to read a file line by line to a string type variable using the following code: #include <iostream> #include <fstream> ifstream file(file_name); if (!file) { cout << "unable to open file"; exit(1); } string line; while (!file.eof()) { file.getline(line,256); cout<<line; } file.close(); it won't compile when I try to use String class, only when i use char file[256] instead. how can I get line by line into a string class? thanks!

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  • Portable way to get file size in C/C++

    - by chmike
    I need to determin the byte size of a file. The coding language is C++ and the code should work with Linux, windows and any other operating system. This implies using standard C or C++ functions/classes. This trivial need has apparently no trivial solution.

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  • Auto comment all public members in a file

    - by ooo
    I have turned on warnings as errors and now i need to XML comment all of my public methods. just to get my program compiling, i just want to put placeholders for now. Is there anyway to automatically add XML comments to all of the public members in a class or a file. I see ghost doc which gives you good autogenerated XML comments but it still looks like it only does one member at a time.

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  • Change cursor style in firefox input file tag

    - by JohnJ
    I have been trying to change the cursor style to look like a pointer rather than an I beam thing, but it looks like FF does not respect the cursor spec in an input file field. For example, I have made this small fiddle: http://jsfiddle.net/jDZtn/4/ where Id like the cursor to look like a pointer rather than an Ibeam when the user hovers over it. My end plan is to introduce opacity==0 and use a clickable button over it. I am not sure if this behaviour is a bug or not.

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