Browse Tutorials

Curated, example-driven guides across programming, web development, and data. Use the filter input above to quickly find topics.

POPULAR

Start with Python

Python is beginner-friendly and powerful. Learn the core syntax and build confidence fast.

Open Python Basics

Programming

Python

Python Basics

New to coding? Start here.
Java

Modern Java

Collections, streams, concurrency.
C++

C++ for Beginners

Syntax, STL, memory basics.

Web Development

Web

HTML & CSS

Semantic HTML, layout.
Web

JavaScript Essentials

DOM, events, fetch.

Data & SQL

Data

SQL Fundamentals

From SELECT to JOINs.
Data

Pandas (Python)

DataFrames, filters, groupby.