xcode programming resources

The Swift 4 Programming Language Guide from Apple

Section 8, Lecture 77

Swift Programming Language Guide

You can download The Swift Programming Language Guide from Apple for free here:

Read in browser: https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/TheBasics.html#//apple_ref/doc/uid/TP40014097-CH5-ID309

Read in iBooks:

https://itunes.apple.com/us/book/the-swift-programming-language/id881256329?mt=11

StackOverflow

http://stackoverflow.com/

Apple Developer Forum

https://forums.developer.apple.com/

Apple API Reference

https://developer.apple.com/reference/

Apple Guides and Sample Code

https://developer.apple.com/library/content/navigation/

https://www.osstatus.com