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Study Guides

Interactive, self-contained explainers I build to understand a topic end to end - diagrams, live demos, and the real details.

  • OAuth 2.0 + PKCE, end to end

    2026-06-26

    An interactive, build-it-up walkthrough of the Authorization Code flow with PKCE - a live system map, the message-by-message sequence, and real in-browser crypto (PKCE challenges, JWT decoding, hashing vs encryption), through tokens, storage, and refresh rotation.

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  • From HTML to Hydration: SPA, SSR, SSG, and everything between

    2026-07-06

    A build-it-up tour of the rendering spectrum: traditional multi-page HTML, the SPA model, hydration, SSR, SSG, and hybrid/islands rendering. Covers where React, Next.js, Create React App, and Vite actually sit on that line, how webpack and bundlers fit underneath it all, and a hands-on timeline comparing where each strategy spends its time.

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