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If a folder does not exist, create it

... As others have said, use System.IO.Directory.CreateDirectory But, you don't need to check if it exists first. From the docs Any and all directories specified in path are created, unless they already exist or unless some part of path is invalid. If the director...
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Where to host an Open Source Project: CodePlex, Google Code, SourceForge? [closed]

...ce project". Not surprisingly, many of the answers pointed people to SoureForge/FreshMeat and other sites etc as well as blogging and whatnot. This started me thinking where is the best place to host a project and why? ...
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BaseException.message deprecated in Python 2.6

...from Exception and pass the message as the first parameter to the constructor Example: class MyException(Exception): """My documentation""" try: raise MyException('my detailed description') except MyException as my: print my # outputs 'my detailed description' You can use str(my) or (l...
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Reset C int array to zero : the fastest way?

... that we have a T myarray[100] with T = int, unsigned int, long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset? ...
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Is it true that one should not use NSLog() on production code?

... Preprocessor macros are indeed great for debugging. There's nothing wrong with NSLog(), but it's simple to define your own logging function with better functionality. Here's the one I use, it includes the file name and line number to m...
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Safest way to convert float to integer in python?

Python's math module contain handy functions like floor & ceil . These functions take a floating point number and return the nearest integer below or above it. However these functions return the answer as a floating point number. For example: ...
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Simplest way to serve static data from outside the application server in a Java web application

... I've seen some suggestions like having the image directory being a symbolic link pointing to a directory outside the web container, but will this approach work both on Windows and *nix environments? If you adhere the *nix filesystem path rules (i.e. you use exclusively forward s...
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What is the difference between g++ and gcc?

... is the difference between g++ and gcc? Which one of them should be used for general c++ development? 10 Answers ...
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What is the JavaScript >>> operator and how do you use it?

...ugh JavaScript's Numbers are double-precision floats(*), the bitwise operators (<<, >>, &, | and ~) are defined in terms of operations on 32-bit integers. Doing a bitwise operation converts the number to a 32-bit signed int, losing any fractions and higher-place bits than 32, before ...
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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

I have a UIImage (Cocoa Touch). From that, I'm happy to get a CGImage or anything else you'd like that's available. I'd like to write this function: ...