What is mvc pattern in ios?
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Will iphone 5s get ios 13?
What is messaging? How does the runtime handle message passing? What is message forwarding?
How is retain different from assign?
Assume that system is running low on memory. What can system do for suspended apps?
What is the difference between delegates and notifications in iOS operating system?
Explain the difference between strong and retain.
What are the App states in iOS operating system? Explain them
When dealing with property declarations, what is the difference between atomic and non-atomic?
How to debug a crash in the auto-release pool?
What is weak and strong in ios?
What is messaging? How does the runtime handle message passing?
Tell about block and GCD