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@import vs #import - iOS 7

I am playing around with some of the new iOS 7 features and working with some of the Image Effects as discussed in the WWDC video "Implementing Engaging UI on iOS". For producing a blur effect within the source code for the session, UIImage was extended via a category which imports UIKit like so: ...
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How to get the nth element of a python list or a default if not available

...it: I removed the check for TypeError - probably better to let the caller handle this. share | improve this answer | follow | ...
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How can I use Python to get the system hostname?

...at program for a local network. I would like be able to identify computers and get the user-set computer name with Python. ...
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How to join components of a path when you are constructing a URL in Python

... doing anything for me. I would like at least join("/media", "js/foo.js") and join("/media/", "js/foo.js") to work. Thanks for what appears to be the right answer: roll your own. – amjoconn Nov 25 '09 at 14:42 ...
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Non-alphanumeric list order from os.listdir()

...y containing the following subdirectories: run01, run02, ... run19, run20, and then I generate a list from the following command: ...
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How to create new folder? [duplicate]

... You can create a folder with os.makedirs() and use os.path.exists() to see if it already exists: newpath = r'C:\Program Files\arbitrary' if not os.path.exists(newpath): os.makedirs(newpath) If you're trying to make an installer: Windows Installer does a lot of...
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How to get the PATH environment-variable separator in Python?

... If, like me, you didn't read the body of this question and just went by the title, you'll think this is the character that separates elements of a filesystem path (forward slash on Linux and MacOSX, backslash on Windows). It's not, it the character that separates elements of a s...
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Anatomy of a “Memory Leak”

...Basically, in .NET a memory leak occurs when referenced objects are rooted and thus cannot be garbage collected. This occurs accidentally when you hold on to references beyond the intended scope. You'll know that you have leaks when you start getting OutOfMemoryExceptions or your memory usage goes ...
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How to detect if multiple keys are pressed at once using JavaScript?

I'm trying to develop a JavaScript game engine and I've came across this problem: 13 Answers ...
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Bash script absolute path with OS X

...ction that'll do the job, but I'm not seeing anything available on the command-line. Here's a quick and dirty replacement: #!/bin/bash realpath() { [[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}" } realpath "$0" This prints the path verbatim if it begins with a /. If not it must b...