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Concurrent vs serial queues in GCD

...chronously in a background thread without freezing UI(e.g.refreshing OAuth Token and wait if it succeed or not).You need to wrap that method inside a asynchronous operation.This way your heavy operations are executed in the order and without Blocking main thread. func doMultipleSyncTaskWithinAsynch...
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Label on the left side instead above an input field

...http://www.tutorialrepublic.com/twitter-bootstrap-tutorial/bootstrap-forms.php share | improve this answer | follow | ...
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Using reCAPTCHA on localhost

I'm developing a website using PHP and I want to make a human verification in one of the sessions. For the development, I'm initially running the system locally and when it is ready, I'm gonna make put it on in a certain domain. ...
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Send email with PHPMailer - embed image in body

I'm trying to send HTML mail, with PHPMailer, with images. The body is loaded from a html file, that contains all the info. ...
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The Use of Multiple JFrames: Good or Bad Practice? [closed]

...disadvantages that comes to mind: It's more expensive: you will have to allocate way more resources to draw a JFrame that other kind of window container, such as Dialog or JInternalFrame. Not user friendly: It is not easy to navigate into a bunch of JFrame stuck together, it will look like your a...
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What characters are allowed in an email address?

...822 addresses was a mere 3.7k. See also: RFC 822 Email Address Parser in PHP. The formal definitions of e-mail addresses are in: RFC 5322 (sections 3.2.3 and 3.4.1, obsoletes RFC 2822), RFC 5321, RFC 3696, RFC 6531 (permitted characters). Related: The true power of regular expressions ...
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What exactly is a reentrant function?

...e, however the only problem is you forgot to say exactly where the lock is allocated. – Yttrill Dec 10 '10 at 4:58 3 ...
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Facebook Callback appends '#_=_' to Return URL

...s, set the redirect_uri in your login url request like so: (using Facebook php-sdk) $facebook->getLoginUrl(array('redirect_uri' => $_SERVER['SCRIPT_URI'],'scope' => 'user_about_me')); UPDATE The above is exactly as the documentation says to fix this. However, Facebook's documented solu...
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How are virtual functions and vtable implemented?

...(which it usually isn't) (ISO/IEC 14882:2003 10.4-2). In practice it does allocate a slot in the vtable for the function but does not assign an address to it. This leaves the vtable incomplete which requires the derived classes to implement the function and complete the vtable. Some implementations...
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node.js database [closed]

... think going with a newer stack like node.js (vs traditional frameworks in php/java) is adding enough "new" complexity that one shouldn't add extra layers all at once. This is a good article that discusses that: http://nodeguide.com/convincing_the_boss.html ...