How to use reusable cell in uitableview?
What is atomic and non atomic in ios?
Explain the difference between NSOperationQueue concurrent and non-concurrent in iOS operating system?
Explain the different types of ios application states.
What is use of nsoperation? How nsoperationque works?
What is the biggest change with ios 7?
Explain retain counts in iOS operating system?
What is memory management handled on ios?
Explain the difference between frame and bounds?
What are properties in ios?
What is weak in ios?
What are the steps you must follow to configure your computer and development device for iphone development?
Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?
What is messaging? How does the runtime handle message passing?
What is spritekit and what is scenekit?