Why is iboutlet weak?
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What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?
Is ios multithreading?
Which programming language is used in ios?
DB updation when app new version comes ?
List the devices compatible with ios 11? : IOS Architect
How to find the memory leaks in mrc?
Explain the characteristics of ios?
Explain the difference between NSOperationQueue concurrent and non-concurrent in iOS operating system?
Differentiate ‘app id’ from ‘bundle id.’ Explain why they are used?
What ios version onwards arc can be used?
What is nsmanagedobjectcontext? What are the different concurrency types? Explain each type.
Define cocoa?