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The maximum value for an int type in Go
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Unique (non-repeating) random numbers in O(1)?
I'd like to generate unique random numbers between 0 and 1000 that never repeat (i.e. 6 doesn't show up twice), but that doesn't resort to something like an O(N) search of previous values to do it. Is this possible?
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Finding sum of elements in Swift array
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How do you round a number to two decimal places in C#?
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Grep characters before and after match?
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3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o ...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
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How to create a numpy array of all True or all False?
... or numpy.zeros((2, 2))
Since True and False are represented in Python as 1 and 0, respectively, we have only to specify this array should be boolean using the optional dtype parameter and we are done.
numpy.ones((2, 2), dtype=bool)
returns:
array([[ True, True],
[ True, True]], dtype=b...
Fastest way to replace NAs in a large data.table
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