What are the lifecycle events of uiviewcontroller?
What is main thread checker?
What are the steps you must follow to configure your computer and development device for iphone development?
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?
Implement the following methods: retain, release, auto release in iOS operating system?
Differentiate ‘app id’ from ‘bundle id.’ Explain why they are used?
What is the difference between copies & retain in iOS operating system?
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What are the different store migration options?
How to download something from the internet?
What is the first responder and responder chain?
Explain UIApplication life cycle
what are the two different smart groups in Xcode?
What is callback in ios?