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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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Implementing Comments and Likes in database
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answered Nov 13 '11 at 16:48
Branko DimitrijevicBranko Dimitrijevic
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Using a .php file to generate a MySQL dump
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You can use the exec() function to execute an external command.
Note: between shell_exec() an...
How to see all TODO tasks in Android Studio?
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edited Oct 27 '16 at 1:55
Luka Kerr
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Why doesn't “System.out.println” work in Android?
...own as "I/System.out"
– PVS
Jan 29 '16 at 16:04
The new Console add-in library is also very useful.
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Get color value programmatically when it's a reference (theme)
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answered Jun 24 '13 at 14:16
Emanuel MoecklinEmanuel Moecklin
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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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Using Git, show all commits that are in one branch, but not the other(s)
...n merged.
– Confusion
Mar 21 '12 at 16:26
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Note that git log foo..bar will show the commits betw...
Is file append atomic in UNIX?
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answered Jul 20 '09 at 16:39
freiheitfreiheit
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