Making AI simple, fun, and practical for developers. In-depth guides on web development, AI and system design.
Deep-dive into React Hooks: learn how useState, useEffect, and custom hooks work under the hood with real, runnable code examples and clear mental models.
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Learn how React's Virtual DOM, reconciliation, and diffing algorithm work internally — from setState to pixels on screen. A complete mental model for…
Learn TypeScript from the ground up: type annotations, interfaces, type aliases, union & intersection types, generics, tsconfig, and the compilation…
A deep-dive guide to every realtime communication pattern: polling, long polling, SSE, WebSockets, and Pub/Sub — with code, trade-offs, and when to use…
Deep dive into how ChatGPT works: tokenization, Transformer architecture, self-attention, and sampling — with real Python code examples and diagrams.
Learn how to build production-grade scalable systems with caching strategies, rate limiting algorithms, and full-stack observability using OpenTelemetry.
Master modern Next.js architecture: App Router, layouts, Server Components, API Routes, and Server Actions with real production patterns and code examples.
Learn React from the ground up: why it exists, how JSX compiles, how components and props work, and how state drives automatic UI re-rendering.
Learn why Next.js was created, how it solves React's core limitations with SSR, SSG, Server Components, and file-based routing, and when to use it.
RAG improves LLM responses but doesn't guarantee correctness. Learn the exact failure modes — poor retrieval, bad chunking, hallucinations, and stale data…
Learn to secure web apps with bcrypt password hashing, role-based access control, OAuth 2.0, and OpenID Connect. Real code, diagrams, and production best…
Deep-dive into Prisma and Drizzle ORM for TypeScript. Learn SQL vs NoSQL, migrations, data modeling, and how to pick the right database tool for your…
Learn how Instagram stores and manages media efficiently, from local drafts to cloud uploads.
