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Make function wait until element exists
					...on of MutationObserver.
EDIT: All major browsers support MutationObserver now.
Something along the lines of this should do the trick:
// callback executed when canvas was found
function handleCanvas(canvas) { ... }
// set up the mutation observer
var observer = new MutationObserver(function (mut...				
				
				
							Generate random numbers using C++11 random library
					...
        
            
                
                @chris we all know the difference between a vector and a map, not everyone knows the difference between mt19937 and ranlux24, if someone managed to become a programmer without knowing what a vector and a dictionary are maybe they should hav...				
				
				
							How remove word wrap from textarea?
					...ut you can set wrap="soft" to explicitly disable wrap:
<textarea name="nowrap" cols="30" rows="3" wrap="soft"></textarea>
EDIT: The "wrap" attribute is not officially supported. I got it from the german SELFHTML page (an english source is here) that says IE 4.0 and Netscape 2.0 suppor...				
				
				
							window.onload vs document.onload
					... including its content (images, CSS, scripts, etc.).
In some browsers it now takes over the role of document.onload and fires when the DOM is ready as well.
document.onload
It is called when the DOM is ready which can be prior to images and other external content is loaded.
How well are they ...				
				
				
							Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
					...  return timedelta(0)
Then you can manually add the time zone info to utcnow():
>>> datetime.utcnow().replace(tzinfo=simple_utc()).isoformat()
'2014-05-16T22:51:53.015001+00:00'
Note that this DOES conform to the ISO 8601 format, which allows for either Z or +00:00 as the suffix for UT...				
				
				
							How can I get zoom functionality for images?
					... 
    
    
UPDATE
I've just given TouchImageView a new update. It now includes Double Tap Zoom and Fling in addition to Panning and Pinch Zoom. The code below is very dated. You can check out the github project to get the latest code.
USAGE
Place TouchImageView.java in your project. It ca...				
				
				
							What is the documents directory (NSDocumentDirectory)?
					...ch with @"~/Documents". Hardcoding paths is never a good idea. It may work now, but if Apple ever chooses to rename or move the Documents directory, your app will break. NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); will always give you the correct directory!
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							When to use window.opener / window.parent / window.top
					...I've a main page which opens a child using window.open() upon page submit. Now this child window open another child window with the same window.open() closing self. Now when I submit my second child (first child is no more exists), I would like to access the page elements of my main page. Is this po...				
				
				
							what is difference between success and .done() method of $.ajax
					...ange is for compatibility with jQuery 1.5's deferred object. Deferred (and now Promise, which has full native browser support in Chrome and FX) allow you to chain asynchronous actions:
$.ajax("parent").
    done(function(p) { return $.ajax("child/" + p.id); }).
    done(someOtherDeferredFunction).
...				
				
				
							What JSON library to use in Scala? [closed]
					...ect
Jerkson ± - Warning a nice library (built on top of Java Jackson) but now abandonware. If you are going to use this, probably follow the Scalding project's example and use the backchat.io fork
sjson - By Debasish Ghosh
lift-json - Can be used separately from the Lift project
json4s ????
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