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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...ransposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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What are the big improvements between guava and apache equivalent libraries?
... "modern"
Apache Commons is a really mature library, but it's also almost 10 years old, and targets Java 1.4. Guava was open sourced in 2007, targets Java 5, and thus Guava greatly benefits from the Java 5 features: generics, varargs, enums, and autoboxing.
According to the Guava developers, gener...
Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
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edited Nov 9 '13 at 10:40
ralight
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Uploading both data and files in one form using Ajax?
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Get local href value from anchor (a) tag
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answered Mar 15 '13 at 18:44
aorcsikaorcsik
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Multiple modals overlay
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$(document).on('show.bs.modal', '.modal', function () {
var zIndex = 1040 + (10 * $('.modal:visible').length);
$(this).css('z-index', zIndex);
setTimeout(function() {
$('.modal-backdrop').not('.modal-stack').css('z-index', zIndex - 1).addClass('modal-stack');
}, 0);
});
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How do you check if a JavaScript Object is a DOM Object?
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Verify object attribute value with mockito
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ruby on rails f.select options with custom attributes
... the docs, but by reading the rails source. https://web.archive.org/web/20130128223827/http://www.pogodan.com/blog/2011/02/24/custom-html-attributes-in-options-for-select
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Responding with a JSON object in Node.js (converting object/array to JSON string)
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Using res.json with Express:
function random(response) {
console.log("response.json sets th...