Stephen Fox questions

• How to write completion handler in Swift with animation.
• PHP: Why is the answer to this addition 20 and not 22?
• How to listen for UIReturnKeyType.Next with Swift iOS
• Xcode 6 Beta Toolchain Error
• UIAlertController EXC_BAD_ACCESS error - Swift
• How to detect if a link, inside a UITextView has been clicked, Swift
• How to add action to UIAlertView in Swift (iOS 7)
• iOS unrecognized selector sent to instance in Swift
• Use function from one class in another class in Swift
• How to set the rootViewController with Swift, iOS 7

Stephen Fox answers