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Use numpy array in shared memory for multiprocessing
... logger.setLevel(logging.INFO)
# create shared array
N, M = 100, 11
shared_arr = mp.Array(ctypes.c_double, N)
arr = tonumpyarray(shared_arr)
# fill with random values
arr[:] = np.random.uniform(size=N)
arr_orig = arr.copy()
# write to arr from different processes
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
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C++11
C++11 imports C99 so std::printf should support the C99 %zu format specifier.
C++98
On most platforms, size_t and uintptr_t are equivalent, in which case you can use the PRIuPTR macro defined in <cinttypes>:
size...
How to export collection to CSV in MongoDB?
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11 Answers
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Find the number of downloads for a particular app in apple appstore [closed]
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answered Jan 31 '11 at 16:38
John FrickerJohn Fricker
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How do I hide javascript code in a webpage?
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edited Jul 29 '11 at 7:13
answered Jul 29 '11 at 6:20
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Cannot instantiate the type List [duplicate]
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answered Oct 31 '11 at 21:49
Matt BallMatt Ball
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Multiple models in a view
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answered Jan 21 '11 at 23:58
OmuOmu
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TCP vs UDP on video stream
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answered May 31 '11 at 12:25
Mike PenningtonMike Pennington
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What is the most efficient/elegant way to parse a flat table into a tree?
...n the tree structure.
– Tomalak
Oct 11 '08 at 9:51
16
True, every method of storing tree-structur...