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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...
Remove an Existing File from a Git Repo
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143
Just to give the full answer all at once:
from klemens: You need to add the file to your .gi...
Executing an EXE file using a PowerShell script
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& "C:\Program Files\Automated QA\TestExecute 8\Bin\TestExecute.exe" C:\temp\TestProject1\T...
In Objective-C, what is the equivalent of Java's “instanceof” keyword?
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edited Feb 11 '09 at 12:07
community wiki
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How to join NSArray elements into an NSString?
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314
NSArray * stuff = /* ... */;
NSString * combinedStuff = [stuff componentsJoinedByString:@"separ...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
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how to generate migration to make references polymorphic
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As far as I know, there's no built-in generator for polymorphic associations. Generate a blank...
What is the difference between an annotated and unannotated tag?
...oesn't. An annotated tag has a message that can be displayed with git-show(1), while a tag without annotations is just a named pointer to a commit.
More About Lightweight Tags
According to the documentation: "To create a lightweight tag, don’t supply any of the -a, -s, or -m options, just provid...
How to subtract a day from a date?
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1378
You can use a timedelta object:
from datetime import datetime, timedelta
d = datetime.today...