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How to read a file in reverse order?
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answered Feb 20 '10 at 10:10
Matt JoinerMatt Joiner
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How to calculate moving average using NumPy?
...ret[n:] - ret[:-n]
return ret[n - 1:] / n
>>> a = np.arange(20)
>>> moving_average(a)
array([ 1., 2., 3., 4., 5., 6., 7., 8., 9., 10., 11.,
12., 13., 14., 15., 16., 17., 18.])
>>> moving_average(a, n=4)
array([ 1.5, 2.5, 3.5, 4....
Bash Script: count unique lines in file
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306
You can use the uniq command to get counts of sorted repeated lines:
sort ips.txt | uniq -c
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How to sort with a lambda?
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edited Feb 25 '11 at 23:06
answered Feb 25 '11 at 22:51
B...
Python speed testing - Time Difference - milliseconds
...e.datetime.now()
>>> c = b - a
>>> c
datetime.timedelta(0, 4, 316543)
>>> c.days
0
>>> c.seconds
4
>>> c.microseconds
316543
Be aware that c.microseconds only returns the microseconds portion of the timedelta! For timing purposes always use c.total_sec...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...er execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated in the original problem.
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How to refer environment variable in POM.xml?
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rogerdpack
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answered May 5 '12 at 15:11
Andrew WhiteAndre...
Remove duplicate entries using a Bash script [duplicate]
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You can sort then uniq:
$ sort -u input.txt
Or use awk:
$ awk '!a[$0]++' input.txt
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
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edited Nov 3 '16 at 20:41
Peter Mortensen
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How to stop Eclipse formatter from placing all enums on one line
... RUNNING,
WAITING,
FINISHED
}
enum Example {
GREEN(
0,
255,
0),
RED(
255,
0,
0)
}
Solution described above:
enum Example {
CANCELLED,
RUNNING,
WAITING,
FINISHED
}
enum Example {
GREEN(0, 255, 0),
RED(255, ...