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Determining Whether a Directory is Writeable

What would be the best way in Python to determine whether a directory is writeable for the user executing the script? Since this will likely involve using the os module I should mention I'm running it under a *nix environment. ...
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What does {0} mean when initializing an object?

When {0} is used to initialize an object, what does it mean? I can't find any references to {0} anywhere, and because of the curly braces Google searches are not helpful. ...
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Python idiom to return first item or None

... Python 2.6+ next(iter(your_list), None) If your_list can be None: next(iter(your_list or []), None) Python 2.4 def get_first(iterable, default=None): if iterable: for item in iterable: return item return defa...
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”

...h file or directory...compilation terminated error. Can anyone tell me if it's a problem with my code, or some esoteric subtlety with Cython? ...
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How do I find the MySQL my.cnf location

...the my.cnf configuration file, similar to how PHP's phpinfo() locates its php.ini ? 25 Answers ...
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Center content of UIScrollView when smaller

... works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I would like to keep it centered, like the Photos app. ...
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The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl

...follow | edited Mar 1 '12 at 23:50 community wiki ...
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How to increase timeout for a single test case in mocha

I'm submitting a network request in a test case, but this sometimes takes longer than 2 seconds (the default timeout). 8 An...
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What's the fundamental difference between MFC and ATL?

...me. The short answer is, if you are not doing anything "fancy", use ATL. It's great for simple user interfaces with COM thrown in. The long answer: MFC was built in the early 90s to try out this new language called C++ and apply it to Windows. It made Office like features available to the develo...
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Why doesn't std::queue::pop return value.?

...rough this page but I am not able to get the reason for the same . There it is mentioned that 7 Answers ...