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Shared-memory objects in multiprocessing
...!')
def __freeArray(self, hdl):
self.lock.acquire()
# set reference to None
if self.shared_arrays[hdl] is not None: # consider multiple calls to free
self.shared_arrays[hdl] = None
self.cnt -= 1
self.lock.release()
def __getArray(self...
How do I revert a Git repository to a previous commit?
...tching branches, you'll have to deal with them as appropriate. You could reset to throw them away; you could stash, checkout, stash pop to take them with you; you could commit them to a branch there if you want a branch there.)
Hard delete unpublished commits
If, on the other hand, you want to reall...
Sort Go map values by keys
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Best way to change the background color for an NSView
... change the backgroundColor of an NSView . I'd also like to be able to set the appropriate alpha mask for the NSView . Something like:
...
Attach to a processes output for viewing
...
There are a few options here. One is to redirect the output of the command to a file, and then use 'tail' to view new lines that are added to that file in real time.
Another option is to launch your program inside of 'screen', which is...
.gitignore exclude folder but include specific subfolder
I have the folder application/ which I add to the .gitignore . Inside the application/ folder is the folder application/language/gr . How can I include this folder?
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Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...p Perl security, especially when running code for other
users, such as setuid scripts or web stuff.
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Write a function that returns the longest palindrome in a given string
...that and knowing there's no palindrome on the corners of the input, we can set the boundaries to 1 and length-1. While paying attention to the minimum and maximum boundaries of the String, we verify if the characters at the positions of the symmetrical indexes (right and left) are the same for each ...
not None test in Python [duplicate]
...None:
# ...
is the Pythonic idiom for testing that a variable is not set to None. This idiom has particular uses in the case of declaring keyword functions with default parameters. is tests identity in Python. Because there is one and only one instance of None present in a running Python scrip...
Get a filtered list of files in a directory
...ns for filtering, and it can have some memory overhead for very large data sets, but for listing a directory and other simple string filtering tasks, list comprehensions lead to more clean documentable code.
The only thing about this design is that it doesn't protect you against making the mistake ...