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Python function global variables?
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Within a Python scope, any assignment to a variable not already declared within that scope creates a new local variable unless that variable is declared earlier in the function as referring to a globally scoped variable with the keywo...
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...know about this one.
No. Refer to example below.
Example
#!/usr/bin/env python
from multiprocessing import Process
import sharedmem
import numpy
def do_work(data, start):
data[start] = 0;
def split_work(num):
n = 20
width = n/num
shared = sharedmem.empty(n)
shared[:] = nump...
Python: Ignore 'Incorrect padding' error when base64 decoding
...ding === always works. Any extra = chars are seemingly safely discarded by Python.
– Acumenus
Nov 24 '19 at 21:30
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are there dictionaries in javascript like python?
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Actually, Python allows statement-terminating semicolons, so the first example is completely valid both in Python and JavaScript
– celticminstrel
Oct 15 '15 at 22:45
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Python unittest - opposite of assertRaises?
...code you would raise a KeyError, that would be an error, not a failure. In python - differently than some other languages - Exceptions are routinely used for control flow, this is why we have the except <ExceptionName> syntax indeed. To that regard, user9876's solution is simply wrong.
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'str' object does not support item assignment in Python
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In Python, strings are immutable, so you can't change their characters in-place.
You can, however, do the following:
for i in str:
srr += i
The reasons this works is that it's a shortcut for:
for i in str:
srr = srr...
Inherit docstrings in Python class inheritance
I'm trying to do some class inheritance in Python. I'd like each class and inherited class to have good docstrings. So I think for the inherited class, I'd like it to:
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TypeError: 'module' object is not callable
...gt;>> import socket
>>> socket
<module 'socket' from 'C:\Python27\lib\socket.pyc'>
>>> socket.socket
<class 'socket._socketobject'>
>>>
>>> from socket import socket
>>> socket
<class 'socket._socketobject'>
This is what the erro...
How to get file creation & modification date/times in Python?
...us/library/14h5k7ff.aspx) stores its creation date. You can access this in Python through os.path.getctime() or the .st_ctime attribute of the result of a call to os.stat(). This won't work on Unix, where the ctime is the last time that the file's attributes or content were changed.
On Mac, as well ...
How to make a flat list out of list of lists?
... whether there is a shortcut to make a simple list out of list of lists in Python.
42 Answers
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