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Custom UINavigationBar appearance - Multiple UIBarButtonItems

 After basic settings we set UINavigationBar colors and clear background image, and set our own separator line with an image. After that, we create Navigation Bar UIBarButtonItems programmatically and set their color too. Finally, we show and hide UINavigationBar at switching between ViewControllers, and hide StatusBar. These are very useful things, which can be present nice solutions. 

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Core Data tutorial part 4.2 / 5 - Using NSFetchedResultsController, Reorder TableViewCells with LongPressGesture

In this Core Data Tutorial, we do very important and useful things: First we set NSFetchedResultsController, and do changes in the code, create displayOrder attribute.With LongPressGestureRecognizer we can reorder TableViewCells and update Core Data cells with displayOrder attribute, which saved immediately in Core Data.

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