What are the application lifecycle in ios?
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Assume that system is running low on memory. What can system do for suspended apps?
What is dependency injection in ios?
Explain mutable and immutable types in objective c programming language?
How is retain different from assign?
what is singleton class? Why the whole application creates a single instance?
Explain concept of notification center, local and remote notifications.
How to hide images in ios?
Explain the features is ios 6?
What is weak and strong in ios?
What is meaning of 'assign' keyword?
What is datasource in ios swift?
Explain your process for tracing and fixing a memory leak