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What is the difference between NaN and None?
... sometimes give surprising results):
In [15]: s_bad.sum()
Out[15]: 1
In [16]: s_good.sum()
Out[16]: 1.0
To answer the second question:
You should be using pd.isnull and pd.notnull to test for missing data (NaN).
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Is file append atomic in UNIX?
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answered Jul 20 '09 at 16:39
freiheitfreiheit
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Passing an array as a function parameter in JavaScript
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edited Dec 11 '16 at 16:04
Michał Perłakowski
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Using C# to check if string contains a string in string array
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edited Oct 8 '16 at 19:36
answered May 26 '10 at 11:35
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How can I determine if a String is non-null and not only whitespace in Groovy?
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answered Feb 7 '12 at 0:16
doelleridoelleri
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Intellisense and code suggestion not working in Visual Studio 2012 Ultimate RC
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This is fairly common when you're on a trial version of resharper and the trial runs out. I assume R# turns these settings off and replaces...
Java Mouse Event Right Click
...ctice this function won't work correctly in Windows. And the bug lasts for 16 years already...
– Gangnus
Dec 1 '14 at 13:48
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Implementing Comments and Likes in database
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answered Nov 13 '11 at 16:48
Branko DimitrijevicBranko Dimitrijevic
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Android: how to make keyboard enter button say “Search” and handle its click?
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answered Mar 16 '17 at 8:50
kaMChykaMChy
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What is the difference between class and instance methods?
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edited Jan 13 '16 at 15:57
answered May 8 '13 at 8:01
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