What performance issues can you face when using coredata?
Difference between nil and Nil.
“BgTask “ ? how long execute?
What is Task?
What is onboarding and why is it so important for mobile design? : IOS Architect
Explain what is ios?
Garbage collector in iphone?
How core data differs from sqlite?
What is ios viewdidload?
What is the difference between inheritance and category?
Why iphone apps are popular?
Explain how an autorelease pool works at the runtime level
What are ios protocols?