What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?
How are non-atomic and atomic properties different? Which one is the default property for synthesized properties?
What are layers?
What are the application lifecycle in ios?
What is meaning of 'retain' keyword?
How to register as a iphone developer?
What is use of nsoperation? How nsoperationque works?
How to parse json?
Which devices will this work with ios?
How can you respond to state transitions on your app?
What is nslayoutanchor?
what are fetched properties? How do you create a fetched property?
Explain me what is "delegate"?