KVC Collection Operators
Simple Collection Operators @count: Returns the number of objects in the collection as an NSNumber. @sum: Converts each object in the collection to a double, computes the sum, and returns the sum as an NSNumber. @avg: Takes the double value of each object in the collection, and returns the average value as an NSNumber. @max: Determines the maximum value using compare:. Objects must support compari
Fousa ~ Empty back button in iOS 7
The new UINavigationBar style changed a bit in iOS 7. A simple arrow is now displayed by default followed by the title of the previous UIViewController on the navigation stack. Now I wonder if I could just remove the text and only keep the arrow. Just because it's not always useful to show the text. Most of the time you know where you're coming from, and you can just use all the space available on
iOS 7: Interactive Pop Gesture With Custom Back Button | Keighl
Clambake for iPhone has a custom back button on all its navigation bars; it's a simple chevron with no text. The easiest way to implement a custom button like this is to simply set a leftBarButtonItem on the controller's navigationItem. - (void)viewDidLoad { self.navigationItem.leftBarButtonItem = [self backButton]; } - (UIBarButtonItem *)backButton { UIImage *image = [UIImage imageNamed:@"back_bu
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