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JavaScript: What are .extend and .prototype used for?

... | edited Oct 19 '15 at 0:04 modeeb 42144 silver badges1616 bronze badges answered Sep 23 '10 at 18:27...
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Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m

...erlying interface. – Paul Raff Aug 30 '15 at 15:18 1 Not only does this solve the problem but it'...
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How to center a Window in Java?

...7 Tudor 50711 gold badge66 silver badges1818 bronze badges answered Sep 28 '08 at 0:49 Andrew SwanAndrew Swan ...
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kernel stack and user space stack

... Punit Vara 2,3901010 silver badges2626 bronze badges answered Oct 16 '12 at 10:23 FrankH.FrankH. ...
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Get file size, image width and height before upload

... sources will be a URL representing the Blob object <img src="blob:null/026cceb9-edr4-4281-babb-b56cbf759a3d"> const EL_browse = document.getElementById('browse'); const EL_preview = document.getElementById('preview'); const readImage = file => { if ( !(/^image\/(png|jpe?g|gif...
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Convert a PHP object to an associative array

...;baz = new StdClass; } } var_dump( (array) new Foo ); Output (with \0s edited in for clarity): array(3) { '\0Foo\0foo' => int(1) '\0*\0bar' => int(2) 'baz' => class stdClass#2 (0) {} } Output with var_export instead of var_dump: array ( '' . "\0" . 'Foo' . "\0" . 'foo' =&...
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In Firebase, is there a way to get the number of children of a node without loading all the node dat

...votesRef.transaction(function (current_value) { return (current_value || 0) + 1; }); For more info, see https://www.firebase.com/docs/transactions.html UPDATE: Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaSc...
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How do you easily horizontally center a using CSS? [duplicate]

... 806 In the case of a non-fixed width div (i.e. you don't know how much space the div will occupy). ...
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How to get the first item from an associative PHP array?

... Abhi Beckert 30.5k1111 gold badges7777 silver badges105105 bronze badges answered Oct 24 '09 at 6:25 soulmergesoulm...
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The Role Manager feature has not been enabled

... 304 You can do this by reading from the boolean property at: System.Web.Security.Roles.Enabled T...