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How random is JavaScript's Math.random?
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Given numbers between 1 and 100.
9 have 1 digit (1-9)
90 have 2 digits (10-99)
1 has 3 digi...
Resumable downloads when using PHP to send the file?
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13 Answers
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How can I determine whether a 2D Point is within a Polygon?
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Is there a standardized method to swap two variables in Python?
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Python evaluates expressions from left to right. Notice that while
evaluating an assignment...
Numbering rows within groups in a data frame
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edited Mar 14 '17 at 22:06
Frank
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What is the proper way to test if a parameter is empty in a batch file?
...et or not. I've tried several techniques but they seem to fail whenever %1 is surrounded by quotes such as the case when %1 is "c:\some path with spaces" .
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Test for equality among all elements of a single vector
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How can building a heap be O(n) time complexity?
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How to extract a floating number from a string [duplicate]
I have a number of strings similar to Current Level: 13.4 db. and I would like to extract just the floating point number. I say floating and not decimal as it's sometimes whole. Can RegEx do this or is there a better way?
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Finding the index of elements based on a condition using python list comprehension
...nstead of a list.
>>> import numpy
>>> a = numpy.array([1, 2, 3, 1, 2, 3])
>>> a
array([1, 2, 3, 1, 2, 3])
>>> numpy.where(a > 2)
(array([2, 5]),)
>>> a > 2
array([False, False, True, False, False, True], dtype=bool)
>>> a[numpy.where(a ...