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How to detect internet speed in JavaScript?

...ed bigger than it actually is. Another option is using uncompressible file format, e.g. jpg. (thanks Rauli Rajande for pointing this out and Fluxine for reminding me) The cache buster mechanism described above might not work with some CDN servers, which can be configured to ignore query string param...
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How to decide font color in white or black depending on background color?

...ce with W3C guidelines in some circumstances. Herewith I derive a modified form that always chooses the highest contrast based on the guidelines. If you don't need to conform to W3C rules then I'd stick with the simpler formula above. The formula given for contrast in the W3C Recommendations is (L1...
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JSON datetime between Python and JavaScript

I want to send a datetime.datetime object in serialized form from Python using JSON and de-serialize in JavaScript using JSON. What is the best way to do this? ...
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Strange \n in base64 encoded string in Ruby

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Pagination on a list using ng-repeat

...as a piped filter, and then dropping the controls wherever you like in the form of a single directive, <dir-pagination-controls> To take the original example asked by Tomarto, it would look like this: <ul class='phones'> <li class='thumbnail' dir-paginate='phone in phones | filt...
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Convert SVG image to PNG with PHP

...g ); } $im->readImageBlob($svg); /*png settings*/ $im->setImageFormat("png24"); $im->resizeImage(720, 445, imagick::FILTER_LANCZOS, 1); /*Optional, if you need to resize*/ /*jpeg*/ $im->setImageFormat("jpeg"); $im->adaptiveResizeImage(720, 445); /*Optional, if you need to resi...
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Is there XNOR (Logical biconditional) operator in C#?

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Generate Java classes from .XSD files…?

...mycompany.quickbooks.obj quickbooks.xsd Wait a bit, and if you had a well-formed XSD file, you will get some well-formed Java classes share | improve this answer | follow ...
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What is the best Distributed Brute Force countermeasure?

...hile bots were still hammering away at it, I would employ a 'backup' login form with a CAPTCHA. So that, when you display the "Sorry, but you can't login from this IP address at the moment" message, include a link that says "secure backup login - HUMANS ONLY (bots: no lying)". Joke aside, when they ...
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Https Connection Android

...ements javax.net.ssl.X509TrustManager, yet none of the methods actually perform any work, get a sample here. Good Luck! share | improve this answer | follow |...