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Add column with number of days between dates in DataFrame pandas

...f['B'] Out[12]: one -58 days two -26 days dtype: timedelta64[ns] In [13]: df['C'] = df['A'] - df['B'] In [14]: df Out[14]: A B C one 2014-01-01 2014-02-28 -58 days two 2014-02-03 2014-03-01 -26 days Note: ensure you're using a new of pandas (e.g. 0.13.1), this ma...
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Proper use of the HsOpenSSL API to implement a TLS Server

... Geoff ReedyGeoff Reedy 30.8k33 gold badges4848 silver badges7272 bronze badges ...
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How to identify platform/compiler from preprocessor macros?

... 133 For Mac OS: #ifdef __APPLE__ For MingW on Windows: #ifdef __MINGW32__ For Linux: #ifdef ...
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'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure

... 131 I found the solution ! Just install the nuget package Microsoft.SqlServer.Types PM> Inst...
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Downloading all maven dependencies to a directory NOT in repository?

... | edited Jan 30 '19 at 12:31 ax. 51.8k77 gold badges7171 silver badges6464 bronze badges an...
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How can I list ALL grants a user received?

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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?

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Using the slash character in Git branch name

... % cd .git/refs/heads % ls -l total 0 -rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 labs -rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 master % mkdir labs mkdir: cannot create directory 'labs': File exists You're getting the equivalent of the "cannot create directory" error. When you have a branch wi...
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Resuming git-svn clone

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Difference between Rebuild and Clean + Build in Visual Studio

... 310 Rebuild = Clean + Build (usually) Notable details: For a multi-project solution, "rebuild ...