Written notes for every tutorial.
Full code, query output, and everything from the video: follow along, copy-paste, or come back for reference later.
React Authentication (Full Notes)
Complete written notes for the React authentication tutorial: authentication vs. authorization, sessions vs. tokens, JWTs, OAuth 2.0 and OIDC, PKCE, and a full app-native build with Next.js: login, signup, MFA, social login, roles, protected routes, and a protected backend API.
TypeScript Crash Course (Full Notes)
Complete written notes for the TypeScript crash course: setup and tsconfig, primitive types, functions, interfaces vs. types, unions and generics, classes, utility types, enums, and promises.
Node.js Crash Course (Full Notes)
Complete written notes for the Node.js crash course: the event loop, npm, core modules, the raw HTTP module vs. Express, middleware, and building a full CRUD job-tracker API with routes and controllers.
Learn Postgres in One Video (Full Notes)
Complete written notes for the Postgres tutorial: data types, constraints, every join type, aggregations, subqueries, CTEs, transactions, indexes, EXPLAIN ANALYZE, and what Supabase actually adds on top.