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How to apply a function to two columns of Pandas dataframe

...0 0.000000 1 -0.494375 0.570994 2 1.000000 0.000000 3 1.876360 -0.229738 4 1.000000 0.000000 In [50]: def f(x): ....: return x[0] + x[1] ....: In [51]: df.apply(f, axis=1) #passes a Series object, row-wise Out[51]: 0 1.000000 1 0.076619 2 1.000000 3 1.646622 4 ...
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How do I retrieve my MySQL username and password?

...sword ? – phillipsK May 24 '15 at 4:38 @Xenph, Why do you say "Start the MySQL console client with the -u root option"...
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How do I start PowerShell from Windows Explorer?

...font. – Michael S. Feb 14 '15 at 10:38  |  show 5 more comments ...
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LINQ equivalent of foreach for IEnumerable

... returned. – Anders Feb 9 '11 at 14:38 8 @Anders - Seq.iter doesn't return anything, let alone a ...
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How to remove elements from a generic list while iterating over it?

...e Reverse. – jahav May 25 '15 at 13:38 11 ...
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Which is faster : if (bool) or if(int)?

... that. – CB Bailey Apr 23 '11 at 15:38 7 I think other responses paid greater attention to the re...
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What is the difference between call and apply?

... flatlineflatline 38.8k44 gold badges2424 silver badges3737 bronze badges ...
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Update data in ListFragment as part of ViewPager

... – Thierry-Dimitri Roy Apr 17 '12 at 13:38 4 FragmentPagerAdapter comes with a static method makeFrag...
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Why start an ArrayList with an initial capacity?

... Here is an example of how the ArrayList would increase in size: 10 16 25 38 58 ... 17 resizes ... 198578 297868 446803 670205 1005308 So the list starts with a capacity of 10, when the 11th item is added it is increase by 50% + 1 to 16. On the 17th item the ArrayList is increased again to 25 and...
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What is the purpose of Flask's context stacks?

...ng of. – QuadrupleA Aug 15 '16 at 5:38 Is it fine to push app context inside factory method when importing the views? ...