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Cocoa notes for developers

Master Cocoa with a curated set of 2 developer notes — core concepts, patterns, and interview prep. Maintained by the DevRecall team.

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01 · Cocoa

Foundation, NSObject & Core Patterns

Cocoa: Foundation, NSObject & Core Patterns. Cocoa is Apple's native application framework for macOS, built on Foundation (non-UI building blocks) and AppKit (UI). Cocoa Touch is the iOS counterpart, built on Foundation …

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02 · Cocoa

KVC/KVO, Notifications & Persistence Basics

Cocoa: KVC/KVO, Notifications & Persistence Basics. Key-Value Coding (KVC). // Access properties indirectly by string name, instead of dot/message access Person *person = [[Person alloc] init]; [person setValue:@"Alice" …

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