How many bytes we can send to apple push notification server?
What is xib?
Enlist frameworks for cocoa touch?
Explain what is a class?
Why to keep user policies at server side rather on device? : IOS Architect
What is the difference between viewdidload and viewwillappear?
What is dispatch queue in ios swift?
Is it safe to update to ios 13?
What is weak and strong in ios?
Why uicontrol is provided if we can create custom uiview?
Explain what is iphone architecture?
Outline the class hierarchy for a UIButton until NSObject.
What is nsmanagedobjectmodel?