Location : Mumbai
Date : March, 201
- What is push notification payload maximum size?
- Can I send payload more 4 kb?
- How we use notification extension and what is purpose of it?
- Difference between Objective C and Swift.
- Where main class exist in swift project?
- Difference between let and var.
- Can we declare variable in Swift protocol?
- Difference between Delegate and Notification.
- Difference between NSOperationQueue and GCD.
- What is purpose of dispatch group?
- Difference between content hugging priority and content compression priority
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