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💻 Developer Guides

Learn Modern Web Development

Free guides on TypeScript, React, Next.js, Tailwind CSS, and the tools real developers use every day.

8 guides · Updated weekly
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What Is TypeScript?

The typed JavaScript that powers most modern apps. Learn the types, setup, and why it matters.

Beginner TypeScript
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What Is Next.js?

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The React framework that adds routing, SSR, and API routes. The standard for production React apps.

Beginner Next.js
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Build an AI Chatbot

Full chatbot with Node.js, Express, OpenAI, and streaming responses.

Intermediate AI
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What Is Tailwind CSS?

The utility-first CSS framework. Why it's popular and how it changes the way you style pages.

Beginner CSS
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Build Your First REST API

Full CRUD API with Node.js and Express. Test every endpoint with curl.

Intermediate Node.js
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React State Management

useState, useEffect, and useContext explained with practical examples.

Intermediate React
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First React Component

Build a live counter with React and Vite. Learn components, props, and useState in one project.

Beginner React
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First Next.js App

Create a multi-page Next.js site with routing, layouts, and shared UI — in under 20 minutes.

Beginner Next.js
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Fetch Data in Next.js

Server Components, loading states, and error handling. The modern way to fetch data in Next.js.

Intermediate Next.js
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What Is Base64?

Binary-to-text encoding explained. Why it exists, how it works, and why it's not encryption.

Beginner Concepts
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Convert Unix Timestamp to Date

Date math across JavaScript, Python, PHP, and Bash. Includes seconds vs. milliseconds.

Intermediate Concepts

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