• Delegate methods: NSUrlconnection
    Connection did receive response Connection did receive data Connection fail with error Connection did finish loading
  • Explain: Objective-C
    Objective-C is a very dynamic language. Its dynamism frees a program from compile-time and link-time constraints and shifts much of the res...
  • Mix Points
    Object-oriented concepts don’t work well with structs and enums: a struct cannot inherit from another struct, neither can an enum inherit...