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How to replace innerHTML of a div using jQuery?

... The html() function can take strings of HTML, and will effectively modify the .innerHTML property. $('#regTitle').html('Hello World'); However, the text() function will change the (text) value of the specified element, but keep the html structure. $(...
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How to change the href for a hyperlink using jQuery

.../www.live.com/') This will find links where the href exactly matches the string http://www.google.com/. A more involved task might be matching, then updating only part of the href: $("a[href^='http://stackoverflow.com']") .each(function() { this.href = this.href.replace(/^http:\/\/be...
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What is a non-capturing group in regular expressions?

...up 3: "n" Group 4: "sectetuer" ... So, if we apply the substitution string: $1_$3$2_$4 ... over it, we are trying to use the first group, add an underscore, use the third group, then the second group, add another underscore, and then the fourth group. The resulting string would be like the...
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Python strptime() and timezones?

...umpfile from a Blackberry IPD backup, created using IPDDump. The date/time strings in here look something like this (where EST is an Australian time-zone): ...
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Check image width and height before upload with Javascript

...te the JavaScript Image object. var image = new Image(); //Set the Base64 string return from FileReader as source. image.src = e.target.result; //Validate the File Height and Width. image.onload = function () { var height = this.height; var width = this.width; if (height > 100 || width &g...
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How to reuse an ostringstream?

I'd like to clear out and reuse an ostringstream (and the underlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state? ...
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How to detect internet speed in JavaScript?

...ShowProgressMessage(msg) { if (console) { if (typeof msg == "string") { console.log(msg); } else { for (var i = 0; i < msg.length; i++) { console.log(msg[i]); } } } var oProgress = document.get...
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The simplest possible JavaScript countdown timer? [closed]

...r you need to use the date object. Calculate the difference. Format your string. window.onload=function(){ var start=Date.now(),r=document.getElementById('r'); (function f(){ var diff=Date.now()-start,ns=(((3e5-diff)/1e3)>>0),m=(ns/60)>>0,s=ns-m*60; r.textConte...
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Large Numbers in Java

... compute: 58.1 seconds. */ public class Main { public static void main(String... args) { int place = args.length > 0 ? Integer.parseInt(args[0]) : 250 * 1000; long start = System.nanoTime(); BigInteger fibNumber = fib(place); long time = System.nanoTime() - sta...
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Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?

... Couldn't appropriate documentation be useful here? For example, Scala's StringOps (basically a class of "extension methods" for Java's String) has a method parition(Char => Boolean): (String, String) (takes in predicate, returns tuple of 2 strings). It's obvious what the output is (obviously o...