Define autorealease pool?
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What is @dynamic and any place where it is used?
Enlist the methods to achieve concurrency in ios?
Difference between coredata & sqlite?
What is difference between performblock: and performblockandwait:?
What is the difference between retain & assign in iOS operating system?
What is memory management handled on ios?
How to fix tableviewcell dequeue issue ?
What is difference between unit tests and ui test in xcode?
What is a category and when is it used?
Are the nsmanagedobjectcontext queues serial or concurrent?
What is a background thread?
Explain application sandboxing.