The Ebook Foundation administers the free-programming-books repository, a list of freely available programming books and other learning resources grouped by genre and language. It began as a clone of a StackOverflow list, was moved to GitHub for collaborative maintenance, and also includes cheat sheets and free online courses.
Hacksplaining offers free interactive secure coding lessons in which users exploit real attacks in the browser and then learn the fix. The lessons cover the OWASP Top 10 and GenAI-era threats such as prompt injection, and are free for personal use. Team training is also offered.
CSS Battle is a multiplayer CSS game in which players recreate target images using the shortest possible CSS code. It offers daily challenges, live battles, versus rooms and leaderboards, and states that the shorter the CSS, the higher the score. The site also offers material for learning CSS.
CSDIY is an English-language self-learning guide to computer science, described as a memento of the author's three years of self-learning at university. It contains a user guide, a reference CS learning plan, a productivity toolkit, book recommendations, and a list of high quality CS courses.
CodeAnalogies is a series of tutorials that explain CSS and JavaScript topics with visual guides, analogies and diagrams. Its lessons cover basic web development concepts, and tutorials are described as including a high-level analogy to a real-world concept, diagrams, and examples using actual code.
Git Commands is a reference page listing main Git commands with short explanations, covering starting a repository, checking status, undoing changes, managing branches and orphan branches. The page is available in English and Portuguese.
Chrome Extension provides educational videos, lessons, tutorials, or self-learning resources.
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Hacksplaining offers free interactive secure coding lessons in which users exploit real attacks in the browser and then learn the fix. The lessons cover the OWASP Top 10 and GenAI-era threats such as prompt injection, and are free for personal use. Team training is also offered.
CSS Battle is a multiplayer CSS game in which players recreate target images using the shortest possible CSS code. It offers daily challenges, live battles, versus rooms and leaderboards, and states that the shorter the CSS, the higher the score. The site also offers material for learning CSS.
CSDIY is an English-language self-learning guide to computer science, described as a memento of the author's three years of self-learning at university. It contains a user guide, a reference CS learning plan, a productivity toolkit, book recommendations, and a list of high quality CS courses.
CodeAnalogies is a series of tutorials that explain CSS and JavaScript topics with visual guides, analogies and diagrams. Its lessons cover basic web development concepts, and tutorials are described as including a high-level analogy to a real-world concept, diagrams, and examples using actual code.
Git Commands is a reference page listing main Git commands with short explanations, covering starting a repository, checking status, undoing changes, managing branches and orphan branches. The page is available in English and Portuguese.
Chrome Extension provides educational videos, lessons, tutorials, or self-learning resources.
