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Accessing items in an collections.OrderedDict by index
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edited Apr 4 '15 at 3:21
answered Apr 7 '12 at 20:46
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How to add an extra column to a NumPy array
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b = np.zeros((N,N+1))
b[:,:-1] = a
And timings:
In [23]: N = 10
In [24]: a = np.random.rand(N,N)
In [25]: %timeit b = np.hstack((a,np.zeros((a.shape[0],1))))
10000 loops, best of 3: 19.6 us per loop
In [27]: %timeit b = np.zeros((a.shape[0],a.shape[1]+1)); b[:,:-1] = a
100000 loops, best of ...
How to disable right-click context-menu in JavaScript [duplicate]
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answered Dec 19 '08 at 18:48
TriptychTriptych
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Why do we need tuples in Python (or any immutable data type)?
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124
immutable objects can allow substantial optimization; this is presumably why strings are also i...
Supervisor socket error issue [closed]
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answered Sep 17 '13 at 21:43
kelorekkelorek
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Comparison of DES, Triple DES, AES, blowfish encryption for data
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246
Use AES.
In more details:
DES is the old "data encryption standard" from the seventies. Its ...
What is the difference between int, Int16, Int32 and Int64?
...e difference between int , System.Int16 , System.Int32 and System.Int64 other than their sizes?
10 Answers
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How to read file from relative path in Java project? java.io.File cannot find the path specified
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edited Jul 12 '19 at 10:41
answered Oct 2 '10 at 3:56
Bal...
How to trigger XDebug profiler for a command line PHP script?
... joujou
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Label on the left side instead above an input field
...n Cisneros CapistránMartin Cisneros Capistrán
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