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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)

... 281 +100 I create...
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Immutable vs Mutable types

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Is there a version of JavaScript's String.indexOf() that allows for regular expressions?

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Check if a number has a decimal place/is a whole number

... Using modulus will work: num % 1 != 0 // 23 % 1 = 0 // 23.5 % 1 = 0.5 Note that this is based on the numerical value of the number, regardless of format. It treats numerical strings containing whole numbers with a fixed decimal point the same as intege...
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Does C have a “foreach” loop construct?

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Date.getDay() javascript returns wrong day

...y getDay is an integer corresponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on. share | improve this answer | follow | ...
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How do I install an old version of Django on virtualenv?

... 142 There was never a Django 1.0.7. The 1.0 series only went up to 1.0.4. You can see all the rele...
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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?

The following PHP code snippet uses GD to resize a browser-uploaded PNG to 128x128. It works great, except that the transparent areas in the original image are being replaced with a solid color- black in my case. ...
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Ternary operator is twice as slow as an if-else block?

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Less aggressive compilation with CSS3 calc

The Less compilers that I'm using ( OrangeBits and dotless 1.3.0.5 ) are aggressively translating 4 Answers ...