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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
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I would suggest using the duplicated method on the Pandas Index itself:
df3 = df3[~df3.index.duplicated(keep='first')]
While all the other methods work, the currently accepted answer is by far the least performant for the provided example. Furthermore, while the groupby method is only slightly les...
Change from SQLite to PostgreSQL in a fresh Rails project
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13 Answers
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Is it possible to use JS to open an HTML select to show its option list? [duplicate]
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edited Jul 10 '18 at 10:31
answered Jan 10 '09 at 0:20
Ga...
Ignore python multiple return value
... of the tuple you wish to ignore. For instance:
def f():
return 1, 2, 3
_, _, x = f()
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How to convert a string of numbers to an array of numbers?
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39
My 2 cents for golfers:
b="1,2,3,4".split`,`.map(x=>+x)
backquote is string litteral so w...
Check if a JavaScript string is a URL
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32 Answers
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Multiple levels of 'collection.defaultdict' in Python
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347
Use:
from collections import defaultdict
d = defaultdict(lambda: defaultdict(int))
This wil...
Can anybody push to my project on github?
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3 Answers
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The project type is not supported by this installation
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edited May 23 '17 at 12:31
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answered Apr 30 '10 at 16:48
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