What happens when we invoke a method on a nil pointer?
What are the benefits of ios?
what is the difference between Xcode, Cocoa and Objective C?
What are the different delete rules that a relationship can have?
How do you setup/initialise a core data stack in your application? Is this activity performed on main thread? If not, why?
What is atomic and non atomic in ios?
Enlist frameworks for cocoa touch?
How to access the spotlight search feature now?
Explain the architecture of iphone? : IOS Architect
What is message forwarding?
What is meaning of 'readonly' keyword?
what is the difference between nonatomic & atomic ? which is thread safe and why
What is category and extension in ios?
What’s the difference between mkannotation and mkpointannotation?
Tell me what is iphone os?