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switch() statement usage
...uq max
1 test1("mean") 709 771 864 951 16122411
2 test2("mean") 1007 1073 1147 1223 8012202
> microbenchmark(test1('trimmed'), test2('trimmed'), times=1e6)
Unit: nanoseconds
expr min lq median uq max
1 test1("trimmed") 733 792 843 944 60440833
2 test2(...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
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answered Feb 11 '10 at 18:42
QuassnoiQuassnoi
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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This takes the last. Not the maximum though:
In [10]: df.drop_duplicates(subset='A', keep="last")
Out[10]:
A B
1 1 20
3 2 40
4 3 10
You can do also something like:
In [12]: df.groupby('A', group_keys=False).apply(lambda x: x.loc[x.B.idxmax()])
Out[12]:
A ...
Iterating through directories with Python
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answered Oct 25 '13 at 10:39
ChrisProsserChrisProsser
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How to check if a string contains a substring in Bash
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– Paused until further notice.
Dec 17 '10 at 5:18
11
Leave a space between the brackets and the cont...
How to securely store access token and secret in Android?
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edited Jun 10 at 8:04
CoolMind
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How to delete selected text in the vi editor
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answered Jun 25 '10 at 1:30
Pascal ThiventPascal Thivent
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Selecting the last value of a column
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edited Nov 18 '10 at 21:57
answered Nov 18 '10 at 19:37
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How to query SOLR for empty fields?
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answered Nov 21 '10 at 17:49
netcodernetcoder
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How to handle command-line arguments in PowerShell
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answered Jan 28 '10 at 20:13
naivistsnaivists
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