What is concurrency in ios?


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More Apple iOS Interview Questions

Can we adjust the size of photos uploaded from the app?

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 How can you respond to state transitions on your app? 

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Explain parent-child context setup. How does it work? What are the advantages?

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Define 'weak' keyword?

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Name the application thread from where uikit classes should be used?

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What’s the difference between not-running, inactive, active, background and suspended execution states?

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What is concurrency in ios?

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Difference between categories and extensions?

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What is a weak var?

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Can you please explain the difference between nsarray and nsmutablearray?

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What is category and class extension? How these differ?

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What is message forwarding?

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