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Bash empty array expansion with `set -u`
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The only safe idiom is ${arr[@]+"${arr[@]}"}
This is already the recommendation in ikegami's an...
Add a new element to an array without specifying the index in Bash
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edited Dec 23 '09 at 9:18
answered Dec 23 '09 at 9:02
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Convert unix time to readable date in pandas dataframe
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These appear to be seconds since epoch.
In [20]: df = DataFrame(data['values'])
In [21]: df.co...
JavaScript equivalent to printf/String.Format
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dplyr: “Error in n(): function should not be called directly”
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I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr. ddply is not a ...
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....
How can I get the Typescript compiler to output the compiled js to a different directory?
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answered Jun 27 '14 at 14:40
Bruno GriederBruno Grieder
20.3k77 gold badges5252 silver badges8282 bronze badges
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Random row selection in Pandas dataframe
...me(x, n):
return x.ix[random.sample(x.index, n)]
Note: As of Pandas v0.20.0, ix has been deprecated in favour of loc for label based indexing.
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
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You can get the idea by running other versions of your code. Consider explicitly writing out th...
Force HTML5 youtube video
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I've found the solution :
You have to add the html5=1 in the src attribute of the iframe :
&...