What are layer objects?
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What is meaning of 'assign' keyword?
Which is the state an app reaches briefly on its way to being suspended?
What skills are required for ios developer?
How to change the content of your app in order to change the views displayed in the corresponding window?
Explain the difference between NSOperationQueue concurrent and non-concurrent in iOS operating system?
What is the meaning of 'weak' keyword?
What are most ios apps written in?
What is the difference between 'assign' and 'retain' keyword?
What is meant by delegate in ios?
Why uicontrol is provided if we can create custom uiview?
Explain the difference between inheritance and category?
Explain how to silent the noisy keyboard?