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Use Font Awesome Icon in Placeholder

...possible to use Font Awesome Icon in a Placeholder? I read that HTML isn't allowed in a placeholder. Is there a workaround? ...
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Defining an abstract class without any abstract methods

... Of course. Declaring a class abstract only means that you don't allow it to be instantiated on its own. Declaring a method abstract means that subclasses have to provide an implementation for that method. The two are separate concepts, though obviously you can't have an abstract method ...
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How to remove all listeners in an element? [duplicate]

...at the fastest way to do this is to just clone the node, which will remove all event listeners: var old_element = document.getElementById("btn"); var new_element = old_element.cloneNode(true); old_element.parentNode.replaceChild(new_element, old_element); Just be careful, as this will also clear ...
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Fastest way to convert string to integer in PHP

... 0.42208 intval("hello"): 0.93678 (222%) On average, calling intval() is two and a half times slower, and the difference is the greatest if your input already is an integer. I'd be interested to know why though. Update: I've run the tests again, this time with coercion (0 + ...
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Why not use java.util.logging?

...ojects. There are objective reasons for preferring SLF4J. For one, SLF4J allows the end-user the liberty to choose the underlying logging framework. In addition, savvier users tend to prefer logback which offers capabilities beyond log4j, with j.u.l falling way behind. Feature-wise j.u.l may be s...
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In Bash, how can I check if a string begins with some value?

... $a == "z*" ]]? In other words: do they work differently? And what specifically do you mean when you say "$a is equal to z*"? – Niels Bom Jun 16 '15 at 10:37 5 ...
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iOS Simulator failed to install the application

...s the same than remove the app from simulator, but in that case you remove all apps in all simulator. – xarly Sep 19 '13 at 9:30 ...
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How to show full object in Chrome console?

... With all due respect to this answer, eventually it returns a string representing the object, and not a "browseable" object in the console, like the question is all about here. True, if you run this output string through JSON.parse...
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Undo changes in entity framework entities

...s might be a trivial question but: Since ADO.NET entity framework automatically tracks changes (in generated entities) and therefore keeps the original values, how can I rollback changes made to the entity objects? ...
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How to get screen dimensions as pixels in Android

I created some custom elements, and I want to programmatically place them to the upper right corner ( n pixels from the top edge and m pixels from the right edge). Therefore I need to get the screen width and screen height and then set position: ...