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How to count the number of true elements in a NumPy bool array
...:
>>> import numpy as np
>>> boolarr = np.array([[0, 0, 1], [1, 0, 1], [1, 0, 1]], dtype=np.bool)
>>> boolarr
array([[False, False, True],
[ True, False, True],
[ True, False, True]], dtype=bool)
>>> np.sum(boolarr)
5
Of course, that is a bool...
Safest way to convert float to integer in python?
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10 Answers
10
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How do you compare two version Strings in Java?
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edited Jan 12 '15 at 15:35
Balder
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Javascript: formatting a rounded number to N decimals
...number, something like:
var s = number.toString();
if (s.indexOf('.') == -1) s += '.';
while (s.length < s.indexOf('.') + 4) s += '0';
(Note that this assumes that the regional settings of the client uses period as decimal separator, the code needs some more work to function for other settings...
Pandas convert dataframe to array of tuples
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10 Answers
10
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How can I debug git/git-shell related problems?
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217
For even more verbose output use following:
GIT_CURL_VERBOSE=1 GIT_TRACE=1 git pull origin mas...
Passing a std::array of unknown size to a function
In C++11, how would I go about writing a function (or method) that takes a std::array of known type but unknown size?
6 Ans...
Regex replace uppercase with lowercase letters
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415
You may:
Find: (\w)
Replace With: \L$1
Or select the text, ctrl+K+L.
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