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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) & (...
Git file permissions on Windows
... cmd.exe prompt.
– Ben
Mar 16 at 17:14
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How does “304 Not Modified” work exactly?
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answered Jan 7 '14 at 17:41
SLaksSLaks
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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...
Determining whether jQuery has not found any element
...makes it more clear.
– Abir
Jan 22 '14 at 10:59
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Can I prevent the Firefox developer tools network panel from clearing on page reload?
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edited Oct 19 '17 at 14:15
Sergey Brunov
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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...
Python mock multiple return values
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answered Jul 22 '14 at 20:34
Martijn Pieters♦Martijn Pieters
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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 pass variable number of arguments to a PHP function
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edited Sep 14 '09 at 16:44
answered Sep 14 '09 at 16:38
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