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How to call C from Swift?
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ricksterrickster
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How to create multidimensional array
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answered May 5 '15 at 15:13
Teoman shipahiTeoman shipahi
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Which UUID version to use?
...rate the same output.
– anregen
Oct 15 '14 at 16:04
3
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When to use nested classes and classes nested in modules?
...re comment thread.
– Nathan
Aug 28 '15 at 20:59
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Android studio Gradle build speed up
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– Einar Sundgren
Jun 26 '13 at 16:15
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Log to the base 2 in python
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answered Sep 15 '10 at 16:23
unutbuunutbu
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YYYY-MM-DD format date in shell script
...ended up after.
– JacopKane
Mar 14 '15 at 4:53
5
I haven't checked how widely available these sho...
Programmatically scroll to a specific position in an Android ListView
...gestion ?
– SweetWisher ツ
Jul 13 '15 at 5:08
1
@SweetWisherツ try to post delay the execution,...
Implementing INotifyPropertyChanged - does a better way exist?
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15
@Marc - Yes, it can probably degrade performance... However I really like the fact that it's checked at compile time, and is correctly refa...
How do you get the magnitude of a vector in Numpy?
... loop
In [4]: %timeit np.sqrt((a*a).sum(axis=1))
100000 loops, best of 3: 15.6 µs per loop
In [5]: %timeit np.sqrt(np.einsum('ij,ij->i',a,a))
100000 loops, best of 3: 8.71 µs per loop
or vectors:
In [5]: a = np.arange(100000)
In [6]: %timeit np.sqrt(a.dot(a))
10000 loops, best of 3: 80.8 ...