Here's an exhaustive list of all the keywords in Swift. Yes, every one. I kept scrolling and scrolling, even encountering a lovely Safari beachball in the process of reaching the end. Declaration keywords, expressions and types keywords, and everything in between. Explanations with each keyword make this link a must bookmark.
Swift + Keywords (V 3.0.1) by Jordan Morgan
Jesse shows us that even though most developers think singletons are a bad idea, there is a way to use them in a more "clean, modular, and testable way". Apple uses them quite a bit, so they can't be all bad, right?
Refactoring singleton usage in Swift by Jesse Squires
This is an interesting post that takes a look at the slim possibility that Swift is not the future of coding at Apple. Jeff makes some interesting points about the future of both Swift and Objective-C. Although he points out that the demise of Swift is unlikely, it's important to remember that as developers we have to be able to adapt and be prepared for change. Since most developers agree that Swift and Objective-C can't coexist forever, what if the old underdog wins in the end?
Whither Swift? by Jeff Johnson