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Multiple aggregations of the same column using pandas GroupBy.agg()
...there a pandas built-in way to apply two different aggregating functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times?
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Is div inside list allowed? [duplicate]
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Yes it is valid according to xhtml1-strict.dtd. The following XHTML passes the validation:
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="htt...
How can I redirect the output of the “time” command?
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104
you can redirect the time output using,
(time ls) &> file
Because you need to take (...
How do I set a variable to the output of a command in Bash?
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14 Answers
14
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Is there a way to squash a number of commits non-interactively?
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150
Make sure your working tree is clean, then
git reset --soft HEAD~3
git commit -m 'new commit ...
Python using enumerate inside list comprehension
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167
Try this:
[(i, j) for i, j in enumerate(mylist)]
You need to put i,j inside a tuple for the...
What does the git index contain EXACTLY?
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163
The Git book contains an article on what an index includes:
The index is a binary file (gener...
Get last result in interactive Python shell
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Underscore.
>>> 5+5
10
>>> _
10
>>> _ + 5
15
>>> _
15
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Implications of foldr vs. foldl (or foldl')
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175
The recursion for foldr f x ys where ys = [y1,y2,...,yk] looks like
f y1 (f y2 (... (f yk x) ...