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Questions tagged “ARC”

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What's the difference between strong, weak, and unowned references?

Under ARC, strong keeps an object alive, unowned tracks a direct non-owning pointer that must outlive use, and weak goes through a side table so access can become nil after deinit

ARC Memory Management

Swift

Intermediate Swift

What is a retain cycle and how do you avoid it?

Define retain cycles in ARC terms, show the most common ways teams create them, and explain how to prevent and debug them in production code

ARC Memory Management Debugging

Swift