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How to split a column into two columns?
...t necessary. Neither is zip().
In detail:
Andy Hayden's solution is most excellent in demonstrating the power of the str.extract() method.
But for a simple split over a known separator (like, splitting by dashes, or splitting by whitespace), the .str.split() method is enough1. It operates on a co...
Javascript equivalent of Python's zip function
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In addition to ninjagecko's excellent and comprehensive answer, all it takes to zip two JS-arrays into a "tuple-mimic" is:
//Arrays: aIn, aOut
Array.prototype.map.call( aIn, function(e,i){return [e, aOut[i]];})
Explanation:
Since Javascript doesn't h...
How can Xml Documentation for Web Api include documentation from beyond the main project?
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Excellent answer. I actually think it's a little easier for the constructor to accept an array of strings: public XmlDocumentationProvider(string appDataPath) and enumerate this list in the Documentation provider.
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How to check visibility of software keyboard in Android?
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Excellent!! No matter the "windowSoftInputMode" is set to"adjustPan" / "adjustResize" / "adjustPan|stateHidden" / "adjustResize|stateHidden", or even without this option, it always works! Tested on XiaoMi 8.
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How to organize large R programs?
... repositories.
As for the 'how to edit' part, the R Internals manual has excellent R coding standards in Section 6. Otherwise, I tend to use defaults in Emacs' ESS mode.
Update 2008-Aug-13: David Smith just blogged about the Google R Style Guide.
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Convert data.frame column format from character to factor
...Factors = TRUE, but this is useful when say, you've read data in with read_excel() from the readxl package and want to train a random forest model that doesn't accept character variables.
– Sam Firke
Jan 7 '16 at 22:01
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Why is Lisp used for AI? [closed]
...ul in AI research for three reasons (in order of importance):
Lisp is an excellent prototyping tool. It was the best for a very long time. Lisp is still great at tackling a problem you don't know how to solve yet. That description characterises AI perfectly.
Lisp supports symbolic programming well...
Maven: The packaging for this project did not assign a file to the build artifact
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Excellent explanation. Described exactly my scenario with my Jenkins server.
– wimnat
Feb 6 at 11:57
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How to read and write INI file with Python3?
...und_val', str(404))" because the parameters for "set" have to be strings. Excellent example, thanks!
– Mr Ed
Dec 29 '18 at 13:42
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CSS Progress Circle [closed]
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Excellent stuff. A minor issue in Firefox (using developer edition 41.0a2) creates visible sharp edges during the transform. Easy to see if you set progress to 90 and transition time to 10s. To fix just add outline: 1px solid...