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What does if __name__ == “__main__”: do?

... file, it does two things: it sets a few special variables like __name__, and then it executes all of the code found in the file. Let's see how this works and how it relates to your question about the __name__ checks we always see in Python scripts. Code Sample Let's use a slightly different cod...
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.gitignore for Visual Studio Projects and Solutions

...e when using Git in conjunction with Visual Studio Solutions ( .sln ) and Projects? 20 Answers ...
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How can I find the number of days between two Date objects in Ruby?

... From wikipedia: The Julian date (JD) is the interval of time in days and fractions of a day since January 1, 4713 BC Greenwich noon, Julian proleptic calendar. share | improve this answer ...
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Android emulator freezing OS X v10.9 (Mavericks) with HAXM

I just updated to OS X v10.9 (Mavericks), and now whenever I start up any of my emulators, as soon as the emulator starts up, my entire computer freezes with a spinning progress indicator in the center of the screen (not a beachball, the progress indicator is similar to what you see when shutting...
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How do I trim leading/trailing whitespace in a standard way?

Is there a clean, preferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution. ...
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How can I create a directly-executable cross-platform GUI app using Python?

Python works on multiple platforms and can be used for desktop and web applications, thus I conclude that there is some way to compile it into an executable for Mac, Windows and Linux. ...
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How do you reverse a string in place in C or C++?

... The standard algorithm is to use pointers to the start / end, and walk them inward until they meet or cross in the middle. Swap as you go. Reverse ASCII string, i.e. a 0-terminated array where every character fits in 1 char. (...
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb

... I am using virtual env, and i have installed mysql, django... however when i do python manage.py syncdb It gives me the same error that i have posted – getitstarted Mar 9 '13 at 23:13 ...
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what does the __file__ variable mean/do?

...But there is a reason for these statements that determine path at runtime, and I would really like to understand the os.path module so that I can start using it. ...
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What is HTML5 ARIA?

What is HTML5 ARIA? I do not understand how to implement it. 5 Answers 5 ...