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Multiple aggregations of the same column using pandas GroupBy.agg()
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167
You can simply pass the functions as a list:
In [20]: df.groupby("dummy").agg({"returns": [np...
Getting the names of all files in a directory with PHP
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166
Don't bother with open/readdir and use glob instead:
foreach(glob($log_directory.'/*.*') as $...
Extract a substring from a string in Ruby using a regular expression
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edited Sep 24 '18 at 16:43
Iulian Onofrei
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How to get value from form field in django framework?
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answered Jan 16 '11 at 15:44
mikumiku
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What is a “memory stomp”?
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David SchwartzDavid Schwartz
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How do I reference a specific issue comment on github?
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answered Feb 10 '16 at 10:16
CreativeManixCreativeManix
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Download data url file
... ASP.NET etc
– Andrew Newdigate
Dec 16 '11 at 16:27
Is there a way to do it without flash? Data URL for all browsers b...
Can I squash commits in Mercurial?
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edited Jun 21 '16 at 10:58
sage444
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C++ include and import difference
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answered Oct 5 '08 at 16:54
Head GeekHead Geek
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Erasing elements from a vector
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168
Use the remove/erase idiom:
std::vector<int>& vec = myNumbers; // use shorter name
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