What three types of navigation styles are used in ios?
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What is dispatch queue in ios swift?
What are most ios apps written in?
Tell me the hierarchy of uibutton.
Difference between categories and extensions?
Define decoding or deserialization?
Assume that system is running low on memory. What can system do for suspended apps?
What is an NSOperationQueue and how/would you use it in iOS operating system?
What is the use of 'dynamic' keyword?
What is meaning of 'synthesize' keyword ?
What is ios design?
Explain about AFNetworking. What is the base class used in AFNetworking library
Enlist the methods to achieve concurrency in ios?