What is datasource in ios swift?
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Define iterator protocol?
What does @dynamic mean?
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?
Is the object retained if I call performSelector:withObject:afterDelay:?
Which all frameworks you worked in ios ?
What is arc?
What are extra features added in ios 9?
How will you implement sets and the intersection operation? Complexity?
How can we prevent ios 8 app’s streaming video media from being captured by quicktime player on yosemite during screen recording?
What is arc in ios?
What is nspersistentstorecoordinator? What duties does it perform?
Do you know which json framework is supported by ios?