What is concurrency in ios?
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Can we adjust the size of photos uploaded from the app?
How can you respond to state transitions on your app?
Explain parent-child context setup. How does it work? What are the advantages?
Define 'weak' keyword?
Name the application thread from where uikit classes should be used?
What’s the difference between not-running, inactive, active, background and suspended execution states?
What is concurrency in ios?
Difference between categories and extensions?
What is a weak var?
Can you please explain the difference between nsarray and nsmutablearray?
What is category and class extension? How these differ?
What is message forwarding?