How many bytes we can send to apple push notification server?
What are various singleton instances provided by frameworks?
What is difference between nsnotification and delegate?
What is singleton in ios swift?
Differentiate 'app id' from 'bundle id'.
What is singleton pattern in ios?
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?
What ios version onwards arc can be used?
Does ios supports multi-tasking functionality?
What is reuse identifier?
Explain difference between sax parser and dom parser?
How to switch off predictive text?
What is UICollectionView ?