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how do you filter pandas dataframes by multiple columns
...b-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) & (d...
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
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Bart KiersBart Kiers
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Asterisk in function call
...rguments in the function call.
So if uniqueCrossTabs was [ [ 1, 2 ], [ 3, 4 ] ], then itertools.chain(*uniqueCrossTabs) is the same as saying itertools.chain([ 1, 2 ], [ 3, 4 ])
This is obviously different from passing in just uniqueCrossTabs. In your case, you have a list of lists that you wish t...
How do I add 24 hours to a unix timestamp in php?
I would like to add 24 hours to the timestamp for now. How do I find the unix timestamp number for 24 hours so I can add it to the timestamp for right now?
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Why does Haskell's “do nothing” function, id, consume tons of memory?
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edited May 19 '14 at 20:52
answered May 19 '14 at 20:47
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Unresolved external symbol on static class members
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147
If you are using C++ 17 you can just use the inline specifier (see https://stackoverflow.com/a/...
Android: Why does long click also trigger a normal click?
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redis-py : What's the difference between StrictRedis() and Redis()?
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143
This seems pretty clear:
redis-py exposes two client classes that implement these commands
Th...
What is javax.inject.Named annotation supposed to be used for?
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