Head First Design Patterns
Jumping the Shark
OSX Server
Design Patterns book
Strategy Design Pattern
CIC GitHub repo for the Strategy Pattern playground
Daniel Steinberg's The Ugly American Learns Swift
Joe Masilotti tweet about Concepts In Code
Benedikt Terhechte article on enums
And Benedikt's article on reflection
Package Tracker app on GitHub
WWDC '15 session on Protocol-Oriented Programming
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