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RuntimeError on windows trying python multiprocessing
I am trying my very first formal python program using Threading and Multiprocessing on a windows machine. I am unable to launch the processes though, with python giving the following message. The thing is, I am not launching my threads in the main module. The threads are handled in a separate modu...
How can I break up this long line in Python?
...be joined to a second.")
Explicit is better than implicit, as the zen of python says, but this creates three strings instead of one, and uses twice as much memory: there are the two you have written, plus one which is the two of them joined together, so you have to know when to ignore the zen. Th...
pandas: How do I split text in a column into multiple rows?
...miter. I was wondering if there is a simple way to do this using pandas or python?
6 Answers
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Items in JSON object are out of order using “json.dumps”?
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Both Python dict (before Python 3.7) and JSON object are unordered collections. You could pass sort_keys parameter, to sort the keys:
>>> import json
>>> json.dumps({'a': 1, 'b': 2})
'{"b": 2, "a": 1}'
>>&...
Pythonic way of checking if a condition holds for any element of a list
I have a list in Python, and I want to check if any elements are negative. Specman has the has() method for lists which does:
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Python argparse mutual exclusive group
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There is a python patch (in development) that would allow you to do this.
http://bugs.python.org/issue10984
The idea is to allow overlapping mutually exclusive groups. So usage might look like:
pro [-a xxx | -b yyy] [-a xxx | -c zzz]...
Python memoising/deferred lookup property decorator
...posed in other answers since (ref 1and 2). Seems this is a popular one in Python web frameworks (derivatives exist in Pyramid and Werkzeug).
– André Caron
Dec 5 '13 at 11:20
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How to remove the left part of a string?
I have some simple python code that searches files for a string e.g. path=c:\path , where the c:\path part may vary. The current code is:
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Counting the Number of keywords in a dictionary in python
...Some modifications were made on posted answer UnderWaterKremlin to make it python3 proof. A surprising result below as answer.
System specs:
python =3.7.4,
conda = 4.8.0
3.6Ghz, 8 core, 16gb.
import timeit
d = {x: x**2 for x in range(1000)}
#print (d)
print (len(d))
# 1000
print (len(d.keys()...
scipy.misc module has no attribute imread?
...Scipy all are downloaded from university of California at Irvine compiled python modules for windows.
– SIslam
Nov 18 '16 at 10:17
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