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A to Z of C is the book on C/DOS programming.

Think Python is an introduction to Python programming for beginners. It starts with basic concepts of programming, and is carefully designed to define all terms when they are first used and to develop each new concept in a logical progression. Larger pieces, like recursion and object-oriented programming are divided into a sequence of smaller steps and introduced over the course of several chapters.

A guided tour that walks through the fundamentals of Git, inspired by the premise that to know a thing is to do it.

Welcome to Flexbox Froggy, a game where you help Froggy and friends by writing CSS code! Guide this frog to the lilypad on the right by using the justify-content property, which aligns items horizontally and accepts the following values:

A community project dedicated to collecting resources for the Angular.js framework. You find here easy to follow cookbook style recipes for issues you are likely to face when working with Angular.js.

This book makes JavaScript less challenging to learn for newcomers, by offering a modern view that is as consistent as possible.

This is a book about JavaScript, programming, and the wonders of the digital. You can read it online here, or buy your own paperback copy.

This tutorial contains code and discussion from the upcoming book Secrets of the JavaScript Ninja by John Resig.

The goal of this project is to translate the wonderful resource. which provides descriptions of many algorithms and data structures especially popular in field of competitive programming.

This handcrafted guide exists to provide both novice and expert Python developers a best practice handbook for the installation, configuration, and usage of Python on a daily basis.

Kubernetes Tutorials for all

Docker Labs brings you tutorials that help you get hands-on experience using Docker & Kubernetes.

The world's most popular open source database

From November 2012 to April 2013, I created and published a blog series called The Neophyte's Guide to Scala, targeted at aspiring Scala enthusiasts who have already made their first steps with the language and are looking for more detailed explanations.

Learn by example: cssreference.io is a free visual guide to CSS. It features the most popular properties, and explains them with illustrated and animated examples.