This is the final workshop in the Using Core Data series. You will learn how to implement the ability for the app user to update attributes of a managed object in the persistent store. Setup The Book Detail Scene In order to enable app user to update attributes of a managed object in the persistent […]
Day: August 25, 2014
An optional is a Swift type for declaring a variable that can hold either a value or no value. In this workshop you will learn: how to declare a variable as an optional type two ways to unwrap an optional variable so you can use its value. how to implicitly unwrap Swift class file instance […]