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How do I check OS with a preprocessor directive?
...them, with links to where they're found:
Windows
_WIN32 Both 32 bit and 64 bit
_WIN64 64 bit only
Unix (Linux, *BSD, Mac OS X)
See this related question on some of the pitfalls of using this check.
unix
__unix
__unix__
Mac OS X
__APPLE__
__MACH__
Both are defined; checking for eith...
Find full path of the Python interpreter?
... @JohnFreeman: I tried this on a GNU/Linux box w/ GNU coreutils 8.4 (env) and Python 3.4.2. #!/usr/bin/env python3 will return the correct full binary path via sys.executable. Perhaps your OS or Python version behaves slightly differently.
– kevinarpe
May 22...
How to reliably open a file in the same directory as a Python script
...ame directory as the currently running Python script by simply using a command like
5 Answers
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How does a debugger work?
...ary the one that can be 'attached' to already running executable. I understand that compiler translates code to machine language, but then how does debugger 'know' what it is being attached to?
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Can you Run Xcode in Linux?
...Xcode (the gcc compiler family, the gdb debugger, etc.) is all open source and common to Unix and Linux platforms. But the IDE--the editor, project management, indexing, navigation, build system, graphical debugger, visual data modeling, SCM system, refactoring, project snapshots, etc.--is a Mac OS...
What is the strict aliasing rule?
... struct onto such a buffer, or a buffer onto such a struct through pointer casting you can easily violate strict aliasing rules.
So in this kind of setup, if I want to send a message to something I'd have to have two incompatible pointers pointing to the same chunk of memory. I might then naively co...
How can I check the extension of a file?
...swith('.mp3'):
...
elif m.endswith('.flac'):
...
To be case-insensitive, and to eliminate a potentially large else-if chain:
m.lower().endswith(('.png', '.jpg', '.jpeg'))
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Setting environment variables on OS X
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Bruno is right on track. I've done extensive research and if you want to set variables that are available in all GUI applications, your only option is /etc/launchd.conf.
Please note that environment.plist does not work for applications launched via Spotlight. This is documented...
How do I copy a file in Python?
...sts, it will be replaced.
Special files such as character or block devices and pipes cannot be copied with this function.
With copy, src and dst are path names given as strings.
If you use os.path operations, use copy rather than copyfile. copyfile will only accept strings.
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Getting a better understanding of callback functions in JavaScript
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Why do you cast callback to string and then check its type? Will this enhance performance? This is like checking the type, checking if the converted boolean returns true and then checking its type again and testing it against the string...