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What is the most efficient way to create a dictionary of two pandas Dataframe columns?

...list('AB')) In [7]: %timeit dict(zip(df.A,df.B)) 1000 loops, best of 3: 1.27 ms per loop In [8]: %timeit pd.Series(df.A.values,index=df.B).to_dict() 1000 loops, best of 3: 987 us per loop share | ...
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Static implicit operator

... 270 This is a conversion operator. It means that you can write this code: XmlBase myBase = new Xm...
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Difference between HEAD and master

... answered Dec 8 '10 at 12:27 Lee NethertonLee Netherton 17.2k1212 gold badges5050 silver badges8888 bronze badges ...
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How do I use vi keys in ipython under *nix?

...king all this time! – shangxiao Feb 27 '15 at 13:12 add a comment  |  ...
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Why use make over a shell script?

...e rule only once. – reinierpost Sep 27 '10 at 6:52 1 Just to elaborate on point 2) in more layman...
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Extract substring using regexp in plain bash

...o match one or more. – CodeBrew Jan 27 at 20:42 add a comment  |  ...
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Blocks on Swift (animateWithDuration:animations:completion:)

...u003cpath fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M25.6622 17.6335C27.8049 17.6335 29.3739 16.9402 30.2537 15.6379C30.8468 14.7755 30.9615 13.5579 30.9615 11.9512V6.59049C30.9615 5.28821 30.4833 4.66231 29.4502 4.66231C28.9913 4.66231 28.4555 4.94978 28.1109 5.50789C27.499 4.86533 26.7335 4....
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Maven: Command to update repository after adding dependency to POM

... cнŝdkcнŝdk 27.4k77 gold badges4242 silver badges6464 bronze badges ...
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Python's “in” set operator

... Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams 667k127127 gold badges11911191 silver badges12501250 bronze badges ...
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Groovy / grails how to determine a data type?

... PopsPops 27.3k3434 gold badges122122 silver badges149149 bronze badges ...