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How can I scale an image in a CSS sprite

...nline-block; background: url('../img/icons/icons.png') no-repeat; width: 64px; height: 51px; overflow: hidden; zoom:0.5; -moz-transform:scale(0.5); -moz-transform-origin: 0 0; } .icon-huge{ zoom:1; -moz-transform:scale(1); -moz-transform-origin: 0 0; } .icon...
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What does $$ (dollar dollar or double dollar) mean in PHP?

... such as $$variable is called Variable Variable. For example, if you consider this portion of code : $real_variable = 'test'; $name = 'real_variable'; echo $$name; You will get the following output : test Here : $real_variable contains test $name contains the name of your variable : 'real...
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How to export a Vagrant virtual machine to transfer it

... the "clean way" account for databases (mySQL, Wordpress) that might be inside the vm? How can that be synced over to the other pc? – kevllar Feb 17 '16 at 4:33 1 ...
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Why is textarea filled with mysterious white spaces?

... @user79685 you're welcome. Read my new comment above, I wasn't really ridiculing you. At least not in a mean way :) – Pekka Feb 4 '10 at 20:52 ...
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HTML if image is not found

... The best way to solve your problem: <img id="currentPhoto" src="SomeImage.jpg" onerror="this.onerror=null; this.src='Default.jpg'" alt="" width="100" height="120"> onerror is a good thing for you :) Just change the image file name and try yourself. ...
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Always pass weak reference of self into block in ARC?

... This isn't a problem, for example: [myArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop){ [self doSomethingWithObject:obj]; }]; The block retains self, but self doesn't retain the block. If one or the other is released, no cycle is created and everything gets deallocated a...
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What are the implications of using “!important” in CSS? [duplicate]

...portant: Specificity is one of the main forces at work when the browser decides how CSS affects the page. The more specific a selector is, the more importance is added to it. This usually coincides with how often the selected element occurs. For example: button { color: black; } button.highl...
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How to read a local text file?

...answered Jan 21 '13 at 20:20 Majid LaissiMajid Laissi 16.6k1717 gold badges6060 silver badges9797 bronze badges ...
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Is JavaScript guaranteed to be single-threaded?

...d question. I'd love to say “yes”. I can't. JavaScript is usually considered to have a single thread of execution visible to scripts(*), so that when your inline script, event listener or timeout is entered, you remain completely in control until you return from the end of your block or functio...
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Growing Amazon EBS Volume sizes [closed]

... make your upgrade much easier. http://www.tekgoblin.com/2012/08/27/aws-guides-how-to-resize-a-ec2-windows-ebs-volume/ Thanks to TekGoblin for posting this article. share | improve this answer ...