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How do I create test and train samples from one dataframe with pandas?

...df[msk] In [14]: test = df[~msk] And just to see this has worked: In [15]: len(test) Out[15]: 21 In [16]: len(train) Out[16]: 79 share | improve this answer | follow ...
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Xcode: Build Failed, but no error messages

Using Xcode 4.5.1. Our project has been building fine for the last three months, but suddenly, when I try to build, it says "Build failed", but does not show any errors on the triangle exclamation mark tab, nor does it give a reason when it pops up build failed. ...
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How to cache data in a MVC application

... answered Dec 5 '08 at 14:10 terjetylterjetyl 8,88944 gold badges5151 silver badges7070 bronze badges ...
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How can I implode an array while skipping empty array items?

...| edited May 12 '11 at 22:59 answered May 12 '11 at 22:52 F...
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Converting Integer to Long

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Managing large binary files with Git

... Charles Beattie 4,85111 gold badge2525 silver badges2929 bronze badges answered Feb 12 '09 at 14:29 Pat NotzPat Notz ...
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Lambda capture as const reference?

...uggestions? – Aaron McDaid Aug 10 '15 at 11:27 38 Constness is inherited from the captured variab...
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How to link to specific line number on github

...ill change to become something like this: https://github.com/git/git/blob/5bdb7a78adf2a2656a1915e6fa656aecb45c1fc3/README#L18-L20 That link contains the actual SHA hash for that particular commit, rather than the current version of the file on master. That means that this link will work forever a...
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Is there a way to get the git root directory in one command?

...48 Sled 15.7k2121 gold badges107107 silver badges143143 bronze badges answered Jun 5 '09 at 20:29 baudtackbaud...
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Where is android studio building my .apk file?

... 157 YourApplication\app\build\outputs\apk ...