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Free Web Development and Programming Tutorials - W3Schools
SQL Tutorial SQL is a standard language for storing, manipulating and retrieving data in databases.
HTML Tutorial - W3Schools
HTML Examples This tutorial supplements all explanations with clarifying examples. See all HTML Examples
W3Schools How TO - Code snippets for HTML, CSS and JavaScript
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
How To Make a Website - W3Schools
The box-sizing property allows us to include the padding and border in the box's total width (and height), making sure that the padding stays inside of the box and that it does not break. You …
What is a Variable? - W3Schools
What is a Variable? A variable has a name, and you can store something in it. The image below shows how we can think of a variable named favFruit, with the value 'apple' stored inside it.
Python Tutorial - W3Schools
Python Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
Java Tutorial - W3Schools
We recommend reading this tutorial, in the sequence listed in the left menu. Java is an object oriented language and some concepts may be new. Take breaks when needed, and go over …
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 …
C Tutorial - W3Schools
C Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.