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M_PI works with math.h but not with cmath in Visual Studio

... while checking through headers to see if there was anything undef'ing the _USE_MATH_DEFINES and found nothing. So I moved the #define _USE_MATH_DEFINES #include <cmath> to be the first thing in my file (I don't use PCHs so if you are you will have to have it after the #include "stdafx.h"...
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Is gcc std::unordered_map implementation slow? If so - why?

... | edited Mar 25 '14 at 10:42 abergmeier 10.5k1010 gold badges4444 silver badges8181 bronze badges ans...
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How to convert array values to lowercase in PHP?

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Difference between -pthread and -lpthread while compiling

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Finding out the name of the original repository you cloned from in Git

... answered Nov 2 '10 at 9:25 allaitallait 2,85922 gold badges2121 silver badges99 bronze badges ...
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How do I fetch a single model in Backbone?

... Backbone.Model.extend({urlRoot : '/books'}); var solaris = new Book({id: "1083-lem-solaris"}); solaris.fetch(); share | improve this answer | follow | ...
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Javascript - removing undefined fields from an object [duplicate]

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Is there a way to use SVG as content in a pseudo element :before or :after

...ke this: <svg xmlns="http://www.w3.org/2000/svg"> <circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/> <polyline points="20,20 40,25 60,40 80,120 120,140 200,180" style="fill:none;stroke:black;stroke-width:3"/> </svg> ...
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How do I add a margin between bootstrap columns without wrapping [duplicate]

...near-gradient(to bottom, rgba(30, 87, 153, 0.2) 0%, rgba(125, 185, 232, 0) 100%); background-repeat: repeat; border-radius:10px; padding: 5px; } share | improve this answer | ...
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Why not use Double or Float to represent currency?

... 1028 Because floats and doubles cannot accurately represent the base 10 multiples that we use for ...