What is ios viewdidload?
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What is sandbox in iOS operating system?
What is singleton class in ios?
An app is loaded into memory but is not executing any code. In which state will it be in?
Did you used CLRegion? How its working?
What is retain in ios?
What is plist?
What is auto-layout?
what’s accessibilityhint?
What happens when IApplication does not handle an event?
What are the delegate methods of mkmapview?
What is automatic reference counting (arc)?
Differentiate between ‘assign’ and ‘retain’ keyword.