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Python multiprocessing PicklingError: Can't pickle
... example, and my code is too complicated to post. If I run the program in IPython shell instead of the regular Python, things work out well.
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Call int() function on every list element?
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In Python 2.x another approach is to use map:
numbers = map(int, numbers)
Note: in Python 3.x map returns a map object which you can convert to a list if you want:
numbers = list(map(int, numbers))
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How to make lists contain only distinct element in Python? [duplicate]
I have a list in Python, how can I make it's values unique?
10 Answers
10
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Convert Python dictionary to JSON array
...alse, then the return value will be a
unicode instance subject to normal Python str to unicode
coercion rules instead of being escaped to an ASCII str.
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Django “xxxxxx Object” display customization in admin action sidebar
...del):
def __unicode__(self):
return 'Policy: ' + self.name
On Python 3 you need to use __str__:
def __str__(self):
return 'Policy: ' + self.name
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What exactly does += do in python?
I need to know what += does in python. It's that simple. I also would appreciate links to definitions of other short hand tools in python.
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Log to the base 2 in python
How should I compute log to the base two in python. Eg. I have this equation where I am using log base 2
11 Answers
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Understanding Python super() with __init__() methods [duplicate]
...ard docs on super if you haven't already.
Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of super(ChildB, self).__init__() which IMO is quite a bit nicer. The standard docs also refer to a guide to using super() which is quite explanatory.
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Creating a singleton in Python
...any religious wars, but to discuss how this pattern is best implemented in Python in such a way that is most pythonic. In this instance I define 'most pythonic' to mean that it follows the 'principle of least astonishment' .
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How do I configure PyCharm to run py.test tests?
I want to start writing unit tests for my Python code, and the py.test framework sounds like a better bet than Python's bundled unittest . So I added a "tests" directory to my project, and added test_sample.py to it. Now I want to configure PyCharm to run all the tests in my "tests" directory.
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