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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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Cost of exception handlers in Python
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114
Why don't you measure it using the timeit module? That way you can see whether it's relevant t...
python: Change the scripts working directory to the script's own directory
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edited Feb 10 '12 at 14:41
answered Sep 16 '09 at 13:26
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How I can delete in VIM all text from current line to end of file?
I have very large files (more than 10Gb). I need only some lines from the top of the file. Is it possible (in vim) to delete the rest of the file (from current line to the end of file)?
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MySQL remove all whitespaces from the entire column
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edited Jun 9 '18 at 9:08
Bibek Lekhak
5111 silver badge77 bronze badges
answered Sep 6 '11 a...
Adding Http Headers to HttpClient
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edited Nov 7 '19 at 10:17
Massimiliano Kraus
3,06344 gold badges1919 silver badges3636 bronze badges
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multiple tags
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142
Yes, absolutely. You can have multiple header, nav, and footer tags sans penalty.
As long as ...
“icon-bar” in twitter bootstrap navigation bar
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130
icon-bar is used for responsive layouts to create a button that looks like ≡ on narrow brows...
How do negated patterns work in .gitignore?
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159
I think that what you actually want to do is:
aaa/*
!aaa/ccc
You're telling it "don't look ...
How to synchronize a static variable among threads running different instances of a class in Java?
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194
There are several ways to synchronize access to a static variable.
Use a synchronized static...