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Un-Answered Questions { Apple iOS }
What is difference strong and weak reference ? Explain.
What is the purpose of reuseidentifier? What is the benefit of setting it to a non-nil value?
What is the full meaning of ios?
How we can execute some code when app is in background?
Explain me how to parse json?
Explain about Viewcontroller lifecycle.
what are fetched properties? How do you create a fetched property?
What is the difference between strong and retain.
What is meaning of 'readonly' keyword?
What are layer objects?
What is managed object context?
Explain ios 7 airdrop?
What is @dynamic and any place where it is used?
Explain stack and heap?
Can a "delegate" retained in ios?
