Q: How are you going to Verify dynamically at runtime to see if a class supports a method which can reply to a specific message?
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The respondsToSelector: process returns a Boolean worth that indicates whether website to hire ipad programmers or not the receiver implements or inherits a method that could respond to a specified concept.
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Q: Exactly what is the delegate sample and what is it useful for? Explain the delegates utilized by a UITableView.