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Iterating over a numpy array
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188
I think you're looking for the ndenumerate.
>>> a =numpy.array([[1,2],[3,4],[5,6]])
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Seedable JavaScript random number generator
...e JavaScript Math.random() function returns a random value between 0 and 1, automatically seeded based on the current time (similar to Java I believe). However, I don't think there's any way to set you own seed for it.
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Returning value from called function in a shell script
...also true for some other shells.
Here's how to do each of those options:
1. Echo strings
lockdir="somedir"
testlock(){
retval=""
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
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Converting JavaScript object with numeric keys into array
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16 Answers
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Algorithm to generate all possible permutations of a list?
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How to sort List of objects by some property
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List files by last edited date
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172
You can use:
ls -Rt
where -R means recursive (include subdirectories) and -t means "sort by...
Is it possible to use 'else' in a list comprehension? [duplicate]
...used in comprehension statements:
>>> [a if a else 2 for a in [0,1,0,3]]
[2, 1, 2, 3]
So for your example,
table = ''.join(chr(index) if index in ords_to_keep else replace_with
for index in xrange(15))
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How do I prompt for Yes/No/Cancel input in a Linux shell script?
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