Is core data is thread safe?
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What is encapsulation in ios?
Explain difference between sax parser and dom parser?
Can viewdidload be called multiple times?
What is gcd ios?
what’s accessibilityhint?
are you using charlesproxy ? Why/why not ?
Mention what is the use of po command in xcode?
If you run an application on device , which has location services.Which location it will show first ?
How many bytes we can send to apple push notification server?
What are the differences between categories and extensions?
Tell me what is iphone os?
What are the ways to store data localy on iphone device?