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Why can I initialize a List like an array in C#?
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edited Jun 2 '17 at 7:48
Adrian
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What are fixtures in programming?
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edited Mar 18 at 17:44
Nino Filiu
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Ruby: extend self
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answered Nov 14 '09 at 3:57
cldwalkercldwalker
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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 ...
Rails “validates_uniqueness_of” Case Sensitivity
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4 Answers
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Active
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Override devise registrations controller
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answered Aug 24 '10 at 4:25
theTRONtheTRON
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How to show what a commit did?
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Jon
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answered Jul 21 '09 at 8:02
BombeBombe
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PermGen elimination in JDK 8
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answered Mar 19 '14 at 14:55
pardeep131085pardeep131085
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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
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34
This. Postgres doesn't allow you to query across databases, which can be pretty annoying.
– matt b
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What is the difference between onBlur and onChange attribute in HTML?
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edited Nov 3 '16 at 15:49
DeveloperDan
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