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HTML Tutorial - W3Schools
HTML Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
JavaScript Tutorial - W3Schools
Learn JavaScript The Programming Language of the Web JavaScript is easy to learn. This tutorial covers everything from basic JavaScript up to the latest 2025 version. Start learning JavaScript now »
Python Tutorial - W3Schools
Python Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
C# Tutorial (C Sharp) - W3Schools
C# Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
SQL Tutorial - W3Schools
Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now »
Free Web Development and Programming Tutorials - W3Schools
PHP Tutorial PHP is a server scripting language, and a powerful tool for making dynamic and interactive web pages.
ChatGPT-4 Tutorial - W3Schools
In this tutorial you get step-by-step guides on how to write AI prompts to get the best possible results from ChatGPT-4. You will learn to understand ChatGPT-4's capabilities and write prompts that …
Git Tutorial - W3Schools
The tutorial can show examples for GitHub, GitLab, or Bitbucket. The Git commands are mostly the same, but some steps (like connecting to a remote or pushing code) might look a little different …
NumPy Tutorial - W3Schools
We have created 43 tutorial pages for you to learn more about NumPy. Starting with a basic introduction and ends up with creating and plotting random data sets, and working with NumPy functions: