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how do you filter pandas dataframes by multiple columns
...ub-statements with ():
males = df[(df[Gender]=='Male') & (df[Year]==2014)]
To store your dataframes in a dict using a for loop:
from collections import defaultdict
dic={}
for g in ['male', 'female']:
dic[g]=defaultdict(dict)
for y in [2013, 2014]:
dic[g][y]=df[(df[Gender]==g) & (...
Python mock multiple return values
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answered Jul 22 '14 at 20:34
Martijn Pieters♦Martijn Pieters
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Git: updating remote branch information
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146
You can also run 'git remote prune origin' to clean-up your remote references.
– cmcginty
Oct 22 '1...
Can I call memcpy() and memmove() with “number of bytes” set to zero?
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147
From the C99 standard (7.21.1/2):
Where an argument declared as size_t n specifies the len...
Convert object to JSON in Android
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James LJames L
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How should I copy Strings in Java?
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141
Since strings are immutable, both versions are safe. The latter, however, is less efficient (i...
How to install Maven 3 on Ubuntu 18.04/17.04/16.10/16.04 LTS/15.10/15.04/14.10/14.04 LTS/13.10/13.04
...test maven version. E.g. I need 3.3.3, but only 3.0.5 is available. Ubuntu 14.04.
– Ivan Balashov
Dec 9 '15 at 9:33
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Return a “NULL” object if search result not found
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edited Nov 9 '14 at 23:04
answered Apr 14 '10 at 16:44
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How can I get the baseurl of site?
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edited Sep 14 '11 at 14:14
Andomar
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CleanWPPAllFilesInSingleFolder error makes my project no longer load
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edited Oct 21 '14 at 13:49
tom.dietrich
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