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Lessons (7)

• Premiere-Night Video Streaming

  Let millions press Play together by separating small control-plane APIs from CDN-delivered video bytes. The big …

• Monolith vs Microservices

  … of the system with very different scaling needs (video transcoding vs user profiles). - Parts that need different release …

• Behavioral Patterns I: Observer, Strategy, Command, State

  … You subscribe once; every new video, you get notified. The channel doesn't know or care who you …

• Frontend Performance & Core Web Vitals

  … width and height (or aspect-ratio ) on images, videos and iframes. - Reserve space for ads, embeds and banners …

• Frontend Testing Strategy

  … runs Chromium, Firefox and WebKit, records traces and videos of failures, and runs tests in parallel. Other useful …

• Behavioral Patterns II: Chain, Template, Iterator, Mediator, Memento, Visitor

  … Memento 💾 Analogy: Save points in a video game. Before the boss fight you save; if you lose, you …

• Structural Patterns: How to Connect Objects

  … Flyweight 🌲 Analogy: A video game forest with 100,000 trees. Every oak shares one 3D model and texture …