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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
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Logical operators for boolean indexing in Pandas
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answered Jan 28 '14 at 20:22
unutbuunutbu
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rotating axis labels in R
...be required.
– boczniak767
Oct 21 '14 at 20:22
Is there an easy way to rotate the axis ticks labels? E.g. if I have la...
How to get the anchor from the URL using jQuery?
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answered Aug 24 '10 at 1:26
Nick Craver♦Nick Craver
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Using numpy to build an array of all combinations of two arrays
...implementation:
@pv's solution
In [113]:
%timeit cartesian(([1, 2, 3], [4, 5], [6, 7]))
10000 loops, best of 3: 135 µs per loop
In [114]:
cartesian(([1, 2, 3], [4, 5], [6, 7]))
Out[114]:
array([[1, 4, 6],
[1, 4, 7],
[1, 5, 6],
[1, 5, 7],
[2, 4, 6],
[2, 4, 7],...
Scala downwards or decreasing for loop?
... 1 by -1
res1: scala.collection.immutable.Range = Range(10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
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Why does ~True result in -2?
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240
int(True) is 1.
1 is:
00000001
and ~1 is:
11111110
Which is -2 in Two's complement1
1 F...
How can I obtain the element-wise logical NOT of a pandas Series?
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274
To invert a boolean Series, use ~s:
In [7]: s = pd.Series([True, True, False, True])
In [8]: ~...
Creating a new column based on if-elif-else condition
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Multiple linear regression in Python
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answered Jul 13 '12 at 22:41
djsdjs
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