How to use core data objects between two threads?
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What is view object in iOS operating system?
What is difference strong and weak reference ? Explain.
What is core data?
What is nsoperationqueue?
What is auto-layout?
What is xib?
What is the difference strong and weak reference?
How to parse xml? Explain
Which language is best for ios development?
Assume that system is running low on memory. What can system do for suspended apps?
Who calls the dealloc strategy?
Explain the difference between stack and heap memory?