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Why does [5,6,8,7][1,2] = 8 in JavaScript?
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gsamaras
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answered Sep 14 '11 at 18:17
Lightness Races ...
How to get the anchor from the URL using jQuery?
...Craver
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Concatenating two one-dimensional NumPy arrays
...ust curious - what is the logic behind this?
– user391339
Jul 12 '16 at 6:08
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@user391339, what ...
Pandas get topmost n records within each group
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edited Nov 19 '13 at 11:01
answered Nov 19 '13 at 10:46
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Why does ~True result in -2?
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answered Feb 19 '14 at 13:09
MarounMaroun
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How can I map True/False to 1/0 in a Pandas DataFrame?
...h!
– Homunculus Reticulli
Apr 14 at 13:49
@DustByte Couldn't you just use astype(float) and get the same result?
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How to form tuple column from two columns in Pandas
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answered Apr 17 '13 at 19:24
Dale JungDale Jung
2,81011 gold badge1414 silver badges1212 bronze badges
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How can I obtain the element-wise logical NOT of a pandas Series?
...2 True
3 False
dtype: bool
Using Python2.7, NumPy 1.8.0, Pandas 0.13.1:
In [119]: s = pd.Series([True, True, False, True]*10000)
In [10]: %timeit np.invert(s)
10000 loops, best of 3: 91.8 µs per loop
In [11]: %timeit ~s
10000 loops, best of 3: 73.5 µs per loop
In [12]: %timeit (-s)
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Map Tiling Algorithm
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edited Jan 22 '13 at 8:54
answered Jan 22 '13 at 8:44
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How to find the installed pandas version
...commit: None
python: 2.7.6.final.0
python-bits: 64
OS: Linux
OS-release: 3.13.0-45-generic
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
pandas: 0.15.2-113-g5531341
nose: 1.3.1
Cython: 0.21.1
numpy: 1.8.2
scipy: 0.14.0.dev-371b4ff
statsmodels: 0.6.0.dev-a738b4f
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