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Key-Value Observing Deep Dive
Objective-CFoundationAdvanced
KVO lets you observe property changes without delegation or notifications. Here's how it works under the hood and how to use it correctly.
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KVO lets you observe property changes without delegation or notifications. Here's how it works under the hood and how to use it correctly.
Method swizzling lets you replace method implementations at runtime. Here's how it works and when this powerful technique shines.