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Can I have multiple :before pseudo-elements for the same element?

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Understanding reference counting with Cocoa and Objective-C

...ive-C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not over the hump yet. ...
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Upgrading PHP in XAMPP for Windows?

... Now install the latest version, but your data (like www directory) is destroyed now, you can try some recovery software. – Dharmang Jun 26 '15 at 5:10 1 ...
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Website screenshots

...ible = true; $Browser->Fullscreen = true; $Browser->Navigate('http://www.stackoverflow.com'); while($Browser->Busy){ com_message_pump(4000); } $img = imagegrabwindow($Browserhandle, 0); $Browser->Quit(); imagepng($img, 'screenshot.png'); ?> Edit: Note, these functions are availa...
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?

...n that thinking. There's an example of this in the documentation: http://www.postgresql.org/docs/9.3/static/plpgsql-control-structures.html, example 40-2 right at the bottom. That's usually the easiest way. You can do some magic with rules, but it's likely going to be a lot messier. I'd recommend...
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Rebase a single Git commit

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What is the Swift equivalent to Objective-C's “@synchronized”?

...ized, but works as a replacement: let serialQueue = DispatchQueue(label: "com.test.mySerialQueue") serialQueue.sync { // code } share | improve this answer | follow ...
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What are Scala context and view bounds?

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A CORS POST request works from plain JavaScript, but why not with jQuery?

...w-Credentials, * seems to work header('Access-Control-Allow-Origin: http://www.example.com'); //if you need cookies or login etc header('Access-Control-Allow-Credentials: true'); if ($this->getRequestMethod() == 'OPTIONS') { header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS'...
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AngularJS performs an OPTIONS HTTP request for a cross-origin resource

... It is very hard to provide a generic solution that would work for all the WWW servers as setup will vary depending on the server itself and HTTP verbs that you intend to support. I would encourage you to get over this excellent article (http://www.html5rocks.com/en/tutorials/cors/) that has much mo...