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Protocols and Delegation

How @protocol defines interface-like contracts in Objective-C, and how the delegation pattern uses protocols to decouple objects.

Branch Protection and CI Checks

Explore how branch protection rules and required CI status checks stop broken or unreviewed code from reaching important branches like main.

Method Arguments and Defaults

Learn how Ruby methods accept required, optional, splat, keyword, and block arguments, and how default values keep call sites flexible and expressive.

TypeScript Utility Types Deep Dive Cheat Sheet

Covers Partial, Pick, Omit, Record, Extract, Exclude, function-derived utility types, and string manipulation types with examples.