How many bytes we can send to apple push notification server?
what are the two different smart groups in Xcode?
What framework is used to construct application's ios user interface?
What are sensors in iphone?
How are non-atomic and atomic properties different? Which one is the default property for synthesized properties? When would a user operate one over the other?
What is singleton pattern in ios?
What is fast enumeration in iOS operating system?
what are fetched properties?
How to parse xml?
Which app specific objects store the app's content?
What size is 1x and 2x?
What makes react native special for ios?
How we can execute some code when app is in background?