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multiprocessing: sharing a large read-only object between processes?
...ed via multiprocessing share objects created earlier in the program?"
No (python before 3.8), and Yes in 3.8 (https://docs.python.org/3/library/multiprocessing.shared_memory.html#module-multiprocessing.shared_memory)
Processes have independent memory space.
Solution 1
To make best use of a large...
How to implement a good __hash__ function in python [duplicate]
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It's unfortunate that Python does not make a combine_hashes function available.
– Fred Foo
Sep 20 '12 at 11:34
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Why (0-6) is -6 = False? [duplicate]
... 256 inclusive are cached as global objects sharing the same address with CPython, thus the is test passes.
This artifact is explained in detail in http://www.laurentluce.com/posts/python-integer-objects-implementation/, and we could check the current source code in http://hg.python.org/cpython/fil...
Using python map and other functional tools
...uite n00bish, but I'm trying to learn/understand functional programming in python. The following code:
9 Answers
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Python Git Module experiences? [closed]
What are people's experiences with any of the Git modules for Python? (I know of GitPython, PyGit, and Dulwich - feel free to mention others if you know of them.)
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How to convert a set to a list in python?
I am trying to convert a set to a list in Python 2.6. I'm using this syntax:
9 Answers
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Converting Storyboard from iPhone to iPad
... file and the file i want to copy in textwrangler (text editor)
Copied the xml text from old file to the new file between these xml tags
First Tag <scenes> <!--Contents View Controller-->
Paste Here
End Tags </class> </classes>
That worked for me. I got a new layoutout with...
REST HTTP status codes for failed validation or invalid duplicate
... contained instructions. For example, this error condition may occur if an XML request body contains well-formed (i.e., syntactically correct), but semantically erroneous, XML instructions.
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How can I convert an RGB image into grayscale in Python?
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@BluePython: LA mode has luminosity (brightness) and alpha. If you use LA mode, then greyscale.png will be an RGBA image with the alpha channel of image.png preserved. If you use L mode, then greyscale.png will be an RGB image (wi...
SQL Server dynamic PIVOT query?
...tinct ',' + QUOTENAME(c.category)
FROM temp c
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
set @query = 'SELECT date, ' + @cols + ' from
(
select date
, amount
, categ...