cocoa-programming-a-quick-start-guide-for-developers : before the chapter Memory - the initial commit.
Cocoa programming a quick start guide for developers - Chapter Memory - initial commit.
Cocoa programming a quick start guide for developers - chapter "Outlets and Actions"
Cocoa programming a quick start guide for developers - Chapter "Introduction"
Chapter KVC and KVO in Cocoa programming a quick start guide for developers - initial commit
not change?