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Re-ordering columns in pandas dataframe based on column name [duplicate]

... edited Jan 21 '19 at 21:02 cs95 231k6060 gold badges390390 silver badges456456 bronze badges answered Jul 8 '12 at 18:56 ...
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How do you check in python whether a string contains only numbers?

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No Entity Framework provider found for the ADO.NET provider with invariant name 'System.Data.SqlClie

... 209 You don't need to install Entity Framework in your Console application, you just need to add a...
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Maven Install on Mac OS X

... 209 OS X prior to Mavericks (10.9) actually comes with Maven 3 built in. If you're on OS X Lion...
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Significance of -pthread flag when compiling

...I'm not sure how relevant the article hpl.hp.com/techreports/2004/HPL-2004-209.pdf is in practice for gcc optimizations, but I sure was impressed by the depth of the review there. – Pascal Cuoq Jan 24 '10 at 16:53 ...
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Code Golf - π day

... Perl, 95 96 99 106 109 110 119 characters: $t+=$;=1|2*sqrt($r**2-($u-2*$_)**2),say$"x($r-$;/2).'*'x$;for 0.. ($u=($r=<>)-1|1);say$t*2/$r**2 (The newline can be removed and is only there to avoid a scrollbar) Yay! Circle vers...
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How do I create a Python function with optional arguments?

... 209 Try calling it like: obj.some_function( '1', 2, '3', g="foo", h="bar" ). After the required po...
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Breaking out of a nested loop

... 209 Well, goto, but that is ugly, and not always possible. You can also place the loops into a met...
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Append a NumPy array to a NumPy array

...r to remove the first empty entry. myNpArray array([[31., 10., 19., 78., 95., 58., 3., 47., 30., 56.], [51., 97., 5., 80., 28., 76., 92., 50., 22., 93.], [64., 79., 7., 12., 68., 13., 59., 96., 32., 34.], [44., 22., 46., 56., 73., 42., 62., 4., 62., 83.], [91., 28.,...
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How do I reload .bashrc without logging out and back in?

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