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PHP Tutorial PHP is a server scripting language, and a powerful tool for making dynamic and interactive web pages.

Python Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.

HTML Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.

We recommend reading this tutorial, in the sequence listed in the left menu. C++ is an object oriented language and some concepts may be new. Take breaks when needed, and go over …

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 …

R Examples Learn by examples! This tutorial supplements all explanations with clarifying examples. See All R Examples

C# Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.

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 …

Click on the "Try it Yourself" button to see how it works. We recommend reading this tutorial in the sequence listed in the left menu.