Holly Borla and Grace Kendall, both software engineers at Apple, join John to go on a deep dive into the Swift Playgrounds app and Swift 5.2’s new diagnostics engine. Also, how Swift Playgrounds was ported to the Mac using Catalyst, and Swift’s role in ed... (more…)

Value types vs. reference types, stack vs. heap allocation, and more... (more…)

In order to work with C APIs, we sometimes need to convert Swift object references to and from raw pointers. Swift's Unmanaged struct is the standard API for handling this. Today, I'd like to talk about what it does and how to use it. (more…)

Swift Playgrounds 1.5 remains one of the best tools for teaching people how to program, and now that’s been extended to controlling physical things and more. (more…)

A mechanism that allows users to share content to Facebook and Twitter, from their iOS apps written in Swift. For this, we'll use SLComposeViewController. (more…)