08/10/2018 · I am developing application for Mac OS, i am not able to find any method for compressing NSImage and Converting them to base64 encoded string for Swift 4. Hardly i found Swift3 code func. 25/03/2018 · I am going to talk about copying objects in swift. Copying can be two ways — copy content and copy reference. Copy Content is also known as Deep Copy. Deep Copy works with value types. For example Structure, Array, Dictionary, Set, String etc. Copy Reference is. Now that we have a better understanding of what Swift wants to be, the proposals adopted in Swift 4 are helping it get there. Swift 5 will be the API Stability release. But there are also long term goals to improve the ownership model, the generics mechanism, and to address concurrency. So on to what’s new in Swift 4. 10/09/2018 · Welcome to Permanent data storage with UserDefaults iOS Tutorial ! Level: Intermediate Permanent data storage is an important skill to have under your belt as an iOS app developer. For most apps you are going to want to store some information about the user so that when they come back to the app they get their data straight away.

The first is Vehicle, an NSObject subclass that conforms to NSCopying: class Vehicle: NSObject, NSCopyingvar wheels = 4 func copyWithZonezone: NSZone -> AnyObjectlet vehicle = self.dynamicType vehicle.wheels. Home » Swift » Implementing NSCopying in Swift with subclasses. Implementing NSCopying in Swift with subclasses. Posted.