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Pandas - How to flatten a hierarchical index in columns
...Note: we must strip the whitespace for when there is no second index.
In [11]: [' '.join(col).strip() for col in df.columns.values]
Out[11]:
['USAF',
'WBAN',
'day',
'month',
's_CD sum',
's_CL sum',
's_CNT sum',
's_PC sum',
'tempf amax',
'tempf amin',
'year']
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How can I turn a List of Lists into a List in Java 8?
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@arshajii true, but for some reason I prefer the lambda expression. Perhaps I don't like the look of :: :)
– Eran
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Why does the default parameterless constructor go away when you create one with parameters
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How do I check if file exists in Makefile so I can delete it?
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Zymotik
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answered Dec 15 '17 at 8:53
cnstcnst
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Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?
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edited May 12 '11 at 22:12
inazaruk
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Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
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How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
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What does %s mean in a python format string?
... Andrew HareAndrew Hare
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11
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What is the difference between integration and unit tests?
...ration test cases.
– n.Stenvang
Dec 11 '14 at 13:19
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Why is SELECT * considered harmful?
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edited Aug 18 '11 at 12:03
answered Sep 3 '10 at 22:21
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