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Redis strings vs Redis hashes to represent JSON: efficiency?
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BMinerBMiner
14.3k1010 gold badges4747 silver badges5151 bronze badges
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Function to Calculate Median in SQL Server
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2019 UPDATE: In the 10 years since I wrote this answer, more solutions have been uncovered that may yield better results. Also, SQL Server releases since then (especially SQL 2012) have introduced new T-SQL features that can be used to calculate...
How to determine if object is in array [duplicate]
...dQ/33
– Alex Langberg
Jul 22 '15 at 10:01
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Mock vs MagicMock
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101
What is the reason for plain Mock existing?
Mock's author, Michael Foord, addressed a very si...
efficient circular buffer?
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>>> import collections
>>> d = collections.deque(maxlen=10)
>>> d
deque([], maxlen=10)
>>> for i in xrange(20):
... d.append(i)
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>>> d
deque([10, 11, 12, 13, 14, 15, 16, 17, 18, 19], maxlen=10)
There is a recipe in the docs for deque that is si...
Pandas dataframe get first row of each group
...5 3 third
6 4 second
7 4 fifth
8 5 first
9 6 first
10 6 second
11 7 fourth
12 7 fifth
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How to write a multidimensional array to a text file?
...darray) for a 3D array:
import numpy as np
x = np.arange(200).reshape((4,5,10))
np.savetxt('test.txt', x)
One workaround is just to break the 3D (or greater) array into 2D slices. E.g.
x = np.arange(200).reshape((4,5,10))
with open('test.txt', 'w') as outfile:
for slice_2d in x:
np.save...
Signal handling with multiple threads in Linux
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AlanAlan
40.2k1616 gold badges106106 silver badges129129 bronze badges
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How do you exit from a void function in C++?
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answered Dec 6 '08 at 19:10
Mehrdad AfshariMehrdad Afshari
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Find first element in a sequence that matches a predicate
...ython 3.
– tsauerwein
Mar 23 '16 at 10:56
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