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How to find all occurrences of an element in a list?
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Or Use range (python 3):
l=[i for i in range(len(lst)) if lst[i]=='something...']
For (python 2):
l=[i for i in xrange(len(lst)) if lst[i]=='something...']
And then (both cases):
print(l)
Is as expected.
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What does the star operator mean, in a function call?
What does the * operator mean in Python, such as in code like zip(*x) or f(**k) ?
5 Answers
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why is plotting with Matplotlib so slow?
I'm currently evaluating different python plotting libraries. Right now I'm trying matplotlib and I'm quite disappointed with the performance. The following example is modified from SciPy examples and gives me only ~ 8 frames per second!
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Confusion between numpy, scipy, matplotlib and pylab
Numpy, scipy, matplotlib, and pylab are common terms among they who use python for scientific computation.
3 Answers
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List files ONLY in the current directory
In Python, I only want to list all the files in the current directory ONLY. I do not want files listed from any sub directory or parent.
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Boost程序库完全开发指南——深入C++“准”标准库高清PDF版 - 文档下载 - ...
... C++ 的程序员，我常常自嘲为斯德哥尔摩综合症患者，用 Python 写着懒散的代码时，会怀念以前编写 C++ 代码的那种被虐感。但当真正要写一些 C++ 代码的时候，又会怀念 Python 带给我的自在，这也许就是所谓的由奢入俭难了。幸...
ValueError: math domain error
I was just testing an example from Numerical Methods in Engineering with Python .
4 Answers
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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
...ource code, a really idiotic shortcoming of Java’s that neither Perl nor Python suffers from. It should be in the source. That isn’t our main problem though; it’s the 1000s of *.text files.
– tchrist
Nov 16 '10 at 21:07
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How to use a dot “.” to access members of dictionary?
How do I make Python dictionary members accessible via a dot "."?
24 Answers
24
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Unresolved reference issue in PyCharm
... the src folder as a source root, and then adding the sources root to your python path.
This way, you don't have to hard code things into your interpreter's settings:
Add src as a source content root:
Then make sure to add add sources to...