What is arc xcode?
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What is iOS?
Explain the difference between inheritance and category?
What are the Steps for using coredata?
What is uiwindow in ios?
What is ios realm?
How do I get ios 13?
What is messaging? How does the runtime handle message passing? What is message forwarding?
What is the difference between copies & retain in iOS operating system?
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What is meaning of 'retain' keyword?
Define 'retain' keyword?
Will the new design mean I have to completely relearn how to use my phone?
what are the build phases available in Xcode?