What are layer objects in iOS operating system?
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What is @synthesize?
Different types of persistent stores? Which all types can we have on ios?
How to convert MVC design pattern to MVVM design patterns
. When an app is said to be in not running state?
What is meaning of 'assign' keyword?
What is the difference between synchronous & asynchronous task ?
Explain the difference between 'protocol' and 'delegate'?
What is nsmanagedobjectmodel?
Explain what is iphone reference library?
What is messaging? What is message forwarding?
What is the first responder?
What is ios layer?