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check if variable is dataframe
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195
Use isinstance, nothing else:
if isinstance(x, pd.DataFrame):
... # do something
PEP8...
Simultaneously merge multiple data.frames in a list
... and columns, but they all share the key variables (which I've called "var1" and "var2" in the code below). If the data.frames were identical in terms of columns, I could merely rbind , for which plyr's rbind.fill would do the job, but that's not the case with these data.
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Can I hex edit a file in Visual Studio?
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edited Dec 25 '18 at 18:02
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Is effective C++ still effective?
...al functions? Factor parameter-independent code out of
templates? (Items 13, 22, 35, and 44.) Yes, yes, yes, yes! My goal has
always been for Effective C++'s table of contents to summarize the
advice in the book, and that summary remains just as applicable to
C++0x development as to “tradi...
PHP shell_exec() vs exec()
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edited Apr 25 '16 at 22:39
aland
1,52322 gold badges2121 silver badges3939 bronze badges
answ...
go to character in vim
I'm getting an error message from a python script at position 21490 .
2 Answers
2
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How to join NSArray elements into an NSString?
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314
NSArray * stuff = /* ... */;
NSString * combinedStuff = [stuff componentsJoinedByString:@"separ...
Get Base64 encode file-data from Input Form
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121
+50
It's en...
Simple way to copy or clone a DataRow?
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185
You can use ImportRow method to copy Row from DataTable to DataTable with the same schema:
va...
Access to Modified Closure
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314
In this case, it's okay, since you are actually executing the delegate within the loop.
If you...