What is strong and weak in ios?
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What are properties in ios?
What is strong and weak in ios?
Explain app id?
Why is delegate weak in ios?
Describe @objc inference?
What is meaning of 'assign' keyword?
What is application lifecycle in ios?
How do you stop apps running in the background on ios?
Explain the working of manual memory management?
Why we use delegate in ios?
Explain differences between foundation and corefoundation
What is nspersistentstorecoordinator? What duties does it perform?