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Apply pandas function to column to create multiple new columns?
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Building off of user1827356 's answer, you can do the assignment in one pass using df.merge:
df.merge(df.textcol.apply(lambda s: pd.Series({'feature1':s+1, 'feature2':s-1})),
left_index=True, right_index=True)
textcol feature1 feature...
Commenting multiple lines in DOS batch file
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answered Dec 15 '11 at 21:39
pdubspdubs
2,25811 gold badge1313 silver badges1313 bronze badges
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How to escape a JSON string to have it in a URL?
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212
encodeURIComponent(JSON.stringify(object_to_be_serialised))
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SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions
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121
I'm not sure what you're trying to do: If you added the file via
svn add myfile
you only tol...
Valid content-type for XML, HTML and XHTML documents
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211
HTML: text/html, full-stop.
XHTML: application/xhtml+xml, or only if following HTML compatbil...
Access string.xml Resource File from Java Android Code
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edited Nov 30 '12 at 7:05
answered Aug 27 '11 at 10:28
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What is AF_INET, and why do I need it?
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278
AF_INET is an address family that is used to designate the type of addresses that your socket ...
Android: Specify two different images for togglebutton using XML
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edited Nov 13 '12 at 0:01
user901309
answered Oct 7 '09 at 18:37
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Why are C# 3.0 object initializer constructor parentheses optional?
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This question was the subject of my blog on September 20th 2010. Josh and Chad's answers ("they add no value so why require them?" and "to eliminate redundancy") are basically correct. To flesh that out a bit more:
The feature of allowing you to elide the argument list as part ...