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Numpy how to iterate over columns of array?
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For those wondering, array.T isn't costly, as it just changes the 'strides' of array (see this answer for an interesting discussion)
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Convert numpy array to tuple
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edited Jul 18 '13 at 22:34
answered Apr 4 '12 at 17:35
Nik...
How to not run an example using roxygen2?
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4 Answers
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Appending an element to the end of a list in Scala
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List(1,2,3) :+ 4
Results in List[Int] = List(1, 2, 3, 4)
Note that this operation has a com...
Dynamically select data frame columns using $ and a character value
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9 3 2 2
7 3 2 3
8 5 1 3
6 1 5 4
3 3 4 4
2 4 3 4
5 5 1 4
1 2 5 5
4 5 3 5
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What are the aspect ratios for all Android phone and tablet devices?
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║ 19.5 x 9 ║ 0.462... ║ 2.167... ║
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Filtering a list based on a list of booleans
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>>> from itertools import compress
>>> list_a = [1, 2, 4, 6]
>>> fil = [True, False, True, False]
>>> list(compress(list_a, fil))
[1, 4]
Timing comparisons(py3.x):
>>> list_a = [1, 2, 4, 6]
>>> fil = [True, False, True, False]
>>> %...
Find the extension of a filename in Ruby
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What are the correct version numbers for C#?
...ession trees, anonymous types, implicit typing (var), query expressions
C# 4.0 released with .NET 4 and VS2010 (April 2010). Major new features: late binding (dynamic), delegate and interface generic variance, more COM support, named arguments, tuple data type and optional parameters
C# 5.0 released...
How to determine if a number is a prime with regex?
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