Nifty! Of course, if one is interested in really understanding the nitty gritty implementation of a lot of Objective-C (and UIKit classes), then there is proba

Nifty! Of course, if one is interested in really understanding the nitty gritty implementation of a lot of Objective-C (and UIKit classes), then there is probably no better place to poke around than Mike Ash's blog. He now works for Apple and hasn't posted much since then, but the level of detail combined with the clarity of his writing made it a go-to source for everyone in early days of iOS development. It demonstrates why his getting hired by Apple for systems/language engineering was highly overdetermined. https://www.mikeash.com/pyblog/ https://www.mikeash.com/pyblog/