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How should I log while using multiprocessing in Python?
...e a central module in a framework that spawns multiple processes using the Python 2.6 multiprocessing module . Because it uses multiprocessing , there is module-level multiprocessing-aware log, LOG = multiprocessing.get_logger() . Per the docs , this logger has process-shared locks so that you d...
What is Scala's yield?
I understand Ruby and Python's yield. What does Scala's yield do?
9 Answers
9
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How to determine the encoding of text?
...et was used. Is there a way to determine the encoding of a text file using Python? How can I detect the encoding/codepage of a text file deals with C#.
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If list index exists, do X
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In Python negative indexes on lists just count backwards from the end of the list. So they could not exist in a way that impacts the length of the list.
– JonathanV
Aug 7 '19 at 18:00
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How can I run an external command asynchronously from Python?
I need to run a shell command asynchronously from a Python script. By this I mean that I want my Python script to continue running while the external command goes off and does whatever it needs to do.
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How to initialize a dict with keys from a list and empty value in Python?
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This is the cleanest, most Pythonic way in Python3 IMO
– Bede Constantinides
Apr 21 '15 at 9:33
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Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
A Python MD5 hash is different than the one created by the md5sum command on the shell. Why?
1 Answer
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Find first element in a sequence that matches a predicate
...redicate:
next(x for x in seq if predicate(x))
Or (itertools.ifilter on Python 2):
next(filter(predicate, seq))
It raises StopIteration if there is none.
To return None if there is no such element:
next((x for x in seq if predicate(x)), None)
Or:
next(filter(predicate, seq), None)
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How to log source file name and line number in Python
Is it possible to decorate/extend the python standard logging system, so that when a logging method is invoked it also logs the file and the line number where it was invoked or maybe the method that invoked it?
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Clear variable in python
Is there a way to clear the value of a variable in python?
7 Answers
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