What is synchronous web request and asynchronous ?
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Explain differentiate between release and pool drain?
Difference b/w collectionView & uitableview?
Is ios multithreading?
Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?
What is nonatomic in ios?
What is ios application?
What performance issues can you face when using coredata?
What is the difference between copy and retain?
How to debug a crash in the auto-release pool?
What is strong in ios?
What is categories in iOS?
What is cocoa touch?