What is swift and what is objective-c?
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What is arc xcode?
What are the different store migration options? How do they work?
Differentiate ‘app id’ from ‘bundle id.’ Explain why they are used?
What are sensors in iphone?
Differentiate between release and pool drain?
What are the different store migration options? When are they used?
How to send crash report from device?
Have you uploaded app on appstore? What is the process?
When a nsfetchrequest fetches an entity object from store, does it fetch all of its data at once?
What is the difference between 'assign' and 'retain' keyword?
Explain the difference between developer and enterprise developer accounts?
Why core data is faster than sqlite?