Some people love it, some people hate it – but in the end everybody uses it: the singleton pattern. It is used if just one instance of an object is desired. For example, that could be a database
One year ago Apple introduced Swift, which was a very surprising move. What remains after one year?
defer is another new keyword in Swift. With this statement you can declare clean-up code, that is executed just before the current scope ends. For example, this scope can be a function or a loo...
In Swift 2, there is a new keyword for handling the control-flow of a block of code. It guarantees, that a specific condition holds true for the further code. Otherwise, it ensures that the following