Andrew Jaffee

Author

Andrew Jaffee

Avid and well-published author and software developer now specializing in iOS mobile app development in Objective-C and Swift. He has a strong background in C#, C++, .NET, JavaScript, HTML, CSS, jQuery, SQL Server, Agile, TDD, Git, and other technologies. He earned a B.Sc. and M.Sc. in Computer Science. Andrew has published several apps in the Apple App Store and has 30 years of experience in software development and professional writing. You can read his blog at http://iosbrain.com/.

Read Article

iOS

Understanding Delegates and Delegation in Swift 4

I’m going to talk about “delegates” and “delegation.” I’ll lead you through a simple example of implementing the delegation design pattern in Swift 4, with full source code. My intent here is...

Read Article

Tutorial

Swift 4 Generics: How to Apply Them in Your Code and iOS Apps

Question 1: Can I write one Swift function that can find the index/position of any specific instance of any type stored in any array that stores objects of that type? Question 2: Can I write one Swift function that can determine...