- Xcode & Class & Comment
- Object & Quick Help & Naming
- DataType & Format Specifier Polymorphism
- SubClassing & Override & Infomation-Hiding
- InitilizeMethod
- ClassMethod & Conditional
- memory & struct & array
- linkedList & Dictionaries
- iOS struct & UI View
- for & while
- Stack & Queue
- Sort
- UIControl & Delegate
- TableView
- TableViewCell & Accessory
- StoryBoard
- AutoLayout & SizeClass
- Life Cycle
- Application Life Cycle
- UIViewController
- Navigation Controller & TabBar
- AlertController
- UIImagePicker / Singleton
- PrecompiledHeader / NSNotification
- Typedef & static
- Plist
- Property & KVO
- ARC
- Block
- GCD / Thread
- Network