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Sort hash by key, return hash in Ruby

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How to find the key of the largest value hash?

I have the following hash {"CA"=>2, "MI"=>1, "NY"=>1} 7 Answers 7 ...
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Compare two objects and find the differences [duplicate]

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Why does C++ need a separate header file?

I've never really understood why C++ needs a separate header file with the same functions as in the .cpp file. It makes creating classes and refactoring them very difficult, and it adds unnecessary files to the project. And then there is the problem with having to include header files, but having to...
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How to stop an animation (cancel() does not work)

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Things possible in IntelliJ that aren't possible in Eclipse?

I have heard from people who have switched either way and who swear by the one or the other. 41 Answers ...
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Where should I put tags in HTML markup?

When embedding JavaScript in an HTML document, where is the proper place to put the <script> tags and included JavaScript? I seem to recall that you are not supposed to place these in the <head> section, but placing at the beginning of the <body> section is bad, too, since th...
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Evaluating string “3*(4+2)” yield int 18 [duplicate]

Is there a function the .NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.: ...
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Array_merge versus + [duplicate]

When I use array_merge() with associative arrays I get what I want, but when I use them with numerical key arrays the keys get changed. ...