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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L

...environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly. ...
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Avoid trailing zeroes in printf()

...ormat specifiers. The closest you could get would be: printf("%.6g", 359.013); // 359.013 printf("%.6g", 359.01); // 359.01 but the ".6" is the total numeric width so printf("%.6g", 3.01357); // 3.01357 breaks it. What you can do is to sprintf("%.20g") the number to a string buffer then man...
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Fastest way to flatten / un-flatten nested JSON objects

... +500 Here's my much shorter implementation: Object.unflatten = function(data) { "use strict"; if (Object(data) !== data || Array....
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Count work days between two dates

... 306 For workdays, Monday to Friday, you can do it with a single SELECT, like this: DECLARE @StartD...
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What is “2's Complement”?

...e to think of the numbers in binary. It basically says, for zero, use all 0's. for positive integers, start counting up, with a maximum of 2(number of bits - 1)-1. for negative integers, do exactly the same thing, but switch the role of 0's and 1's (so instead of starting with 0000, start with 1111...
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Maintain aspect ratio of div but fill screen width and height in CSS?

... breaking the ratio and without scrollbars! (PURE) CSS div { width: 100vw; height: 56.25vw; /* height:width ratio = 9/16 = .5625 */ background: pink; max-height: 100vh; max-width: 177.78vh; /* 16/9 = 1.778 */ margin: auto; position: absolute; top:0;bottom:0; /* ve...
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Can someone explain this 'double negative' trick? [duplicate]

...ue. The "falsey" values are: false NaN undefined null "" (empty string) 0 share | improve this answer | follow | ...
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Twitter oAuth callbackUrl - localhost development

...c/hosts file to point a live domain to your localhost IP. such as: 127.0.0.1 xyz.com where xyz.com is your real domain. Alternative 2. Also, the article gives the tip to alternatively use a URL shortener service. Shorten your local URL and provide the result as callback. Alternative 3. Fur...
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Text border using css (border around text)

... Use multiple text shadows: text-shadow: 2px 0 0 #fff, -2px 0 0 #fff, 0 2px 0 #fff, 0 -2px 0 #fff, 1px 1px #fff, -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff; body { font-family: sans-serif; background: #222; color: darkred; } h1 { text-sha...
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Correct way to convert size in bytes to KB, MB, GB in JavaScript

...bytes) { var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB']; if (bytes == 0) return '0 Byte'; var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024))); return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i]; } Note : This is original code, Please use fixed version below. Ali...