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Objective-C parse hex string to integer

... I'm going with this method, way simpler (and potentially quicker) than allocating an nsscanner. – Chris Jun 1 '11 at 6:25 1 ...
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UILongPressGestureRecognizer gets called twice when pressing down

... UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)]; longPress.minimumPressDuration = 1.0; [myView addGestureRecognizer:lon...
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What exception classes are in the standard C++ library

...;exception> interface (debatable if you should catch this) std::bad_alloc <new> failure to allocate storage std::bad_array_new_length <new> invalid array length std::bad_cast <typeinfo> execution of an invalid dynamic-cast std::bad_exception <exception>...
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PHP CURL DELETE request

...Key, true)); $wsseHeader = "Authorization: WSSE profile=\"UsernameToken\"\n"; $wsseHeader .= sprintf( 'X-WSSE: UsernameToken Username="%s", PasswordDigest="%s", Nonce="%s", Created="%s"', $this->_username, $digest, $nonce, $created ); return $wsseHead...
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Defining a HTML template to append using JQuery

... </a> </script> On document load, read your template and tokenize it using a simple String#split var itemTpl = $('script[data-template="listitem"]').text().split(/\$\{(.+?)\}/g); Notice that with our token, you get it in the alternating [text, property, text, property] format. T...
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Always pass weak reference of self into block in ARC?

... be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, should I always use a weak reference of self in a block ? ...
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Total number of items defined in an enum

...h the Enum.GetValues and Enum.GetNames as listed above seem like they risk allocating a whole new array just to get a fixed length, which seems... well, horrible. Does anyone know if this approach does indeed incur dynamic allocation? If so, for certain use cases it seems far and away the most perfo...
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How to make completely transparent navigation bar in iOS 7

...or]; [self.navigationController.navigationBar setBackgroundImage:[[UIImage alloc] init] forBarMetrics:UIBarMetricsDefault]; self.navigationController.navigationBar.shadowImage = [[UIImage alloc] init]; self.navigationController.navigationBar.backgroundColor = [UIColor clearColor]; ...
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RESTfully design /login or /register resources?

...sed on the credential itself, e.g. by using a self-contained cryptographic token in conjunction with a private key. So, instead of a /session resource one could introduce an /authentication resource, but it doesn't really solve the problem either... – raner Feb...
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How to Get True Size of MySQL Database?

...ld the table from scratch. When databases store information on disks, they allocate it in blocks; deleting a record often frees a block between used blocks, and it's very expensive to shift all of the other blocks around to use that space up so it is marked as "free". The space may be used later by ...