Clearing NSUserDefaults

Swift

let bundleIdentifier = NSBundle.mainBundle().bundleIdentifier()

NSUserDefaults.standardUserDefaults().removePersistentDomainForName(bundleIdentifier)

Objective-C

NSString *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];

[[NSUserDefaults standardUserDefaults] removePersistentDomainForName: bundleIdentifier];

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