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What is a None value?
I have been studying Python, and I read a chapter which describes the None value, but unfortunately this book isn't very clear at some points. I thought that I would find the answer to my question, if I share it there.
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How to prettyprint a JSON file?
...is a mess that I want to prettyprint. What's the easiest way to do this in Python?
12 Answers
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How do I unload (reload) a Python module?
I have a long-running Python server and would like to be able to upgrade a service without restarting the server. What's the best way do do this?
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filename and line number of python script
How can I get the file name and line number in python script.
9 Answers
9
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What is the Bash equivalent of Python's pass statement
Is there a Bash equivalent to the Python's pass statement?
2 Answers
2
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What is “thread local storage” in Python, and why do I need it?
In Python specifically, how do variables get shared between threads?
5 Answers
5
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Instance variables vs. class variables in Python
I have Python classes, of which I need only one instance at runtime, so it would be sufficient to have the attributes only once per class and not per instance. If there would be more than one instance (which won't happen), all instance should have the same configuration. I wonder which of the follow...
Numpy: find first index of value fast
...umba (1) is the easiest way until numpy implements it. If you use anaconda python distribution it should already be installed.
The code will be compiled so it will be fast.
@jit(nopython=True)
def find_first(item, vec):
"""return the index of the first occurence of item in vec"""
for i in x...
How do Python's any and all functions work?
I'm trying to understand how the any() and all() Python built-in functions work.
8 Answers
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Checking whether a variable is an integer or not [duplicate]
...If you need to do this, do
isinstance(<var>, int)
unless you are in Python 2.x in which case you want
isinstance(<var>, (int, long))
Do not use type. It is almost never the right answer in Python, since it blocks all the flexibility of polymorphism. For instance, if you subclass int, y...