Explain commonly used third party libraries
What are kvo and kvc?
If any app can run in the background, what about battery life?
Explain what is a framework?
What is nspersistentstore? Is it thread safe?
What is viper code?
What is meaning of 'nonatomic' keyword?
What is difference between core data and sqlite in ios?
Can I have relationship between entities in separate stores (in case of configurations)?
Ellaborate viper architecture?
Implement the following methods: retain, release, auto release in iOS operating system?
How to fix tableviewcell dequeue issue ?
Explain xib?