Free Coding & Technology Tutorials
Step-by-step practical guides, from setting up your development environment to deploying production applications.
React Hooks in 15 Minutes
A fast, practical tour of useState, useEffect, useMemo, and custom hooks with real examples.
Deploying a Static Site to AWS S3
Host a production-ready static site on S3 + CloudFront with a custom domain and HTTPS.
Flutter State Management 101
Compare setState, Provider, and Riverpod with practical guidance on when to use each.
Intro to LangChain for AI Apps
Build your first retrieval-augmented chatbot in under an hour with LangChain and OpenAI.
SEO Essentials for 2026
What still works in modern SEO: technical hygiene, content depth, and topical authority.
TypeScript for React Devs
A no-fluff guide to typing props, state, events, and async data in React.
AWS Lambda Cold Starts Explained
Why cold starts happen, how to measure them, and proven techniques to minimize impact.
Kotlin Coroutines Basics
Async programming on Android the modern way — suspend, scopes, dispatchers.
Prompt Engineering Patterns That Actually Work
Reusable patterns: role priming, few-shot, structured output, and self-critique.
Google Analytics 4 Quickstart
Set up GA4 properly: events, conversions, audiences, and meaningful dashboards.
Docker for Web Developers
Containerize a Node + React app with multi-stage builds and tiny production images.
Your First Scikit-learn Model
From CSV to a trained classifier in under 30 lines of Python.