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Rotating a two-dimensional array in Python
...ider the following two-dimensional list:
original = [[1, 2],
[3, 4]]
Lets break it down step by step:
>>> original[::-1] # elements of original are reversed
[[3, 4], [1, 2]]
This list is passed into zip() using argument unpacking, so the zip call ends up being the equiva...
Can you list the keyword arguments a function receives?
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edited Oct 13 '08 at 9:12
answered Oct 13 '08 at 9:02
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Why XML-Serializable class need a parameterless constructor
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answered Nov 6 '08 at 5:37
cfedukecfeduke
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MySQL/SQL: Group by date only on a Datetime column
...GROUP BY DATE(a_table.mydate);
Or you can GROUP BY the alias as @orlandu63 suggested:
SELECT SUM(foo), DATE(mydate) DateOnly FROM a_table GROUP BY DateOnly;
Though I don't think it'll make any difference to performance, it is a little clearer.
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How exactly does the python any() function work?
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answered May 12 '13 at 8:38
PaulMcGPaulMcG
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adding directory to sys.path /PYTHONPATH
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edited May 23 '17 at 12:18
Community♦
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answered Apr 19 '13 at 22:49
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Passing just a type as a parameter in C#
...d Copsey
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Why does make think the target is up to date?
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edited May 30 '12 at 6:43
answered Oct 14 '10 at 9:30
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How do I get a list of all the duplicate items using pandas in python?
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Method #1: print all rows where the ID is one of the IDs in duplicated:
>>> import pan...