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Convert data.frame column format from character to factor

...tml R Reference card: http://cran.r-project.org/doc/contrib/Short-refcard.pdf share | improve this answer | follow | ...
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Scalar vs. primitive data type - are they the same thing?

...++ objects http://www.open-std.org/jtc1/sc22/wg21/docs/papers/1995/N0774.pdf I'm curious about whether this refers to whether these items would have a value of 'scale'? - Such as counting numbers. share | ...
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How do I delete multiple rows in Entity Framework (without foreach)

... 672 EntityFramework 6 has made this a bit easier with .RemoveRange(). Example: db.People.RemoveRa...
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How do I find the location of Python module sources?

... abarnertabarnert 297k3232 gold badges472472 silver badges564564 bronze badges 3 ...
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Is the order of elements in a JSON list preserved?

...rded passage in ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf 'The JSON syntax does not define any specific meaning to the ordering of the values. However, the JSON array structure is often used in situations where there is some semantics to the ordering. ' ...
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DTO = ViewModel?

... 72 ViewModel in ASP.NET MVC practice is the same as the DTO, however ViewModel in MVVM pattern is ...
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Maximum MIMEType Length when storing type in DB

... a MIMEType field in their databases? The longest one we've seen so far is 72 bytes: 1 Answer ...
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Download a file by jQuery.Ajax

...ludes many other, 'better UX' examples as well. $.fileDownload('some/file.pdf') .done(function () { alert('File download a success!'); }) .fail(function () { alert('File download failed!'); }); Depending on what browsers you need to support you may be able to use https://github.com/eligre...
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Twitter Bootstrap modal: How to remove Slide down effect

... Andres IlichAndres Ilich 72.6k2020 gold badges150150 silver badges136136 bronze badges ...
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Why are Python lambdas useful? [closed]

... 72 A lambda is part of a very important abstraction mechanism which deals with higher order functi...