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What does it mean to inflate a view from an xml file?
...R.layout.your_layout, null); // 2 and 3
setContentView(theInflatedView) // 4
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Rank items in an array using Python/NumPy, without sorting array twice
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Use slicing on the left-hand side in the last step:
array = numpy.array([4,2,7,1])
temp = array.argsort()
ranks = numpy.empty_like(temp)
ranks[temp] = numpy.arange(len(array))
This avoids sorting twice by inverting the permutation in the last step.
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How to initialise memory with new operator in C++?
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400
It's a surprisingly little-known feature of C++ (as evidenced by the fact that no-one has give...
Find indices of elements equal to zero in a NumPy array
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numpy.where() is my favorite.
>>> x = numpy.array([1,0,2,0,3,0,4,5,6,7,8])
>>> numpy.where(x == 0)[0]
array([1, 3, 5])
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How to get the difference between two arrays in JavaScript?
...:52
Ivar
4,0401111 gold badges3939 silver badges4747 bronze badges
answered Jul 27 '09 at 11:20
ThinkerThinker...
Pandas groupby: How to get a union of strings
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In [4]: df = read_csv(StringIO(data),sep='\s+')
In [5]: df
Out[5]:
A B C
0 1 0.749065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !...
python dataframe pandas drop column using int
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edited Feb 16 '16 at 10:48
frederikf
333 bronze badges
answered Nov 30 '13 at 15:06
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What is the Swift equivalent of isEqualToString in Objective-C?
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434
With Swift you don't need anymore to check the equality with isEqualToString
You can now use ...
How do you echo a 4-digit Unicode character in Bash?
...can't figure out the magic incantation to make echo spit it, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
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Convert floats to ints in Pandas?
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df
Out[33]:
a
0 0.0000000
1 1.0000000
2 2.0000000
3 3.0000000
4 4.0000000
pd.options.display.float_format = '{:,.0f}'.format
df
Out[35]:
a
0 0
1 1
2 2
3 3
4 4
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