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What does .SD stand for in data.table in R
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Converting NumPy array into Python List structure?
How do I convert a NumPy array to a Python List (for example [[1,2,3],[4,5,6]] ), and do it reasonably fast?
5 Answers
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sprintf like functionality in Python
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Alexei SholikAlexei Sholik
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add a com...
Remove columns from dataframe where ALL values are NA
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How do you copy the contents of an array to a std::vector in C++ without looping?
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phoenix
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answered Nov 3 '08 at 17:38
Drew HallDrew Hall...
object==null or null==object?
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answered Mar 3 '10 at 6:39
Laurence GonsalvesLaurence Gonsalves
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Variable declared in for-loop is local variable?
...l variable declared in a for-initializer of a for
statement (Section 8.8.3) is the for-initializer, the for-condition,
the for-iterator, and the contained statement of the for statement.
And also: Local variable declarations (Section 8.5.1 of the C# specification)
Specifically:
The scope ...
Python 3 turn range to a list
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You can just construct a list from the range object:
my_list = list(range(1, 1001))
This is ...
HSL to RGB color conversion
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Garry Tan posted a Javascript solution on his blog (which he attributes to a now defunct mjija...
How to start two threads at “exactly” the same time
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To start the threads at exactly the same time (at least as good as possible), you can use a Cyc...