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Using numpy to build an array of all combinations of two arrays
...grid() use to be 2D only, now it is capable of ND. In this case, 3D:
In [115]:
%timeit np.array(np.meshgrid([1, 2, 3], [4, 5], [6, 7])).T.reshape(-1,3)
10000 loops, best of 3: 74.1 µs per loop
In [116]:
np.array(np.meshgrid([1, 2, 3], [4, 5], [6, 7])).T.reshape(-1,3)
Out[116]:
array([[1, 4, 6],...
Passing command line arguments to R CMD BATCH
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My impression is that R CMD BATCH is a bit of a relict. In any case, the more recent Rscript ex...
Sort an Array by keys based on another Array?
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15 Answers
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What is uintptr_t data type
...ew Dormann
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55
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How does Duff's device work?
... 1 byte (total 14)
case 6: *to = *from++; // Copy 1 byte (total 15)
case 5: *to = *from++; // Copy 1 byte (total 16)
case 4: *to = *from++; // Copy 1 byte (total 17)
case 3: *to = *from++; // Copy 1 byte (total 18)
case 2: *to = *from++; // Copy...
Difference between map, applymap and apply methods in Pandas
...rame
Out[117]:
b d e
Utah -0.029638 1.081563 1.280300
Ohio 0.647747 0.831136 -1.549481
Texas 0.513416 -0.884417 0.195343
Oregon -0.485454 -0.477388 -0.309548
In [118]: f = lambda x: x.max() - x.min()
In [119]: frame.apply(f)
Out[119]:
b 1.133201
d ...
Rails 4 Authenticity Token
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answered Apr 28 '13 at 15:35
alexcocoalexcoco
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Fastest Way to Find Distance Between Two Lat/Long Points
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How to deep watch an array in angularjs?
...could... :) thanks
– Jony-Y
May 28 '15 at 5:35
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show 7 mo...
Javascript: Setting location.href versus location
...oreseeable future.
– Alex W
Apr 29 '15 at 15:37
10
If window.location were an object, assigning a...