Advanced R is the website for the 2nd edition of the book "Advanced R", part of Chapman & Hall's R Series. It is aimed at R users who want to improve their programming skills, and at programmers coming to R from other languages. The work is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0, and the code is also available under the MIT license.
The Cryptopals Crypto Challenges are a collection of exercises demonstrating attacks on real-world cryptography, derived from weaknesses in real-world systems and modern cryptographic constructions. The eight sets become progressively harder, and proficiency in any programming language is required.
A GNOME application for learning and prototyping with GNOME technologies, from first tinkering to building and testing a GTK user interface. It includes live GTK/CSS preview, a library of over 100 examples, support for JavaScript, Rust, Python and Vala, declarative UI syntax, autosave, sessions and projects, code diagnostics and terminal output.
Try Ruby provides educational videos, lessons, tutorials, or self-learning resources.
Beej's Guide to Git is a guide that starts from zero and builds up the reader's Git mental model, intended as a foundation for expert use rather than a cheat-sheet. It is part of Beej's Guides, a collection of free programming guides.
The USACO Guide is a free collection of curated competitive programming resources intended to take contestants from USACO Bronze to USACO Platinum and beyond. It includes modules, extensive problemsets, progress tracking and a forum, and the guide states it is not an official syllabus.
CSS Speedrun is a small web app for testing CSS knowledge. Users enter the CSS selector that applies to all elements marked with an arrow, and a timer starts after the first puzzle is solved correctly. It presents 10 puzzles, and users can view their results or check the GitHub repository to create their own puzzles.
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The Cryptopals Crypto Challenges are a collection of exercises demonstrating attacks on real-world cryptography, derived from weaknesses in real-world systems and modern cryptographic constructions. The eight sets become progressively harder, and proficiency in any programming language is required.
A GNOME application for learning and prototyping with GNOME technologies, from first tinkering to building and testing a GTK user interface. It includes live GTK/CSS preview, a library of over 100 examples, support for JavaScript, Rust, Python and Vala, declarative UI syntax, autosave, sessions and projects, code diagnostics and terminal output.
Try Ruby provides educational videos, lessons, tutorials, or self-learning resources.
Beej's Guide to Git is a guide that starts from zero and builds up the reader's Git mental model, intended as a foundation for expert use rather than a cheat-sheet. It is part of Beej's Guides, a collection of free programming guides.
The USACO Guide is a free collection of curated competitive programming resources intended to take contestants from USACO Bronze to USACO Platinum and beyond. It includes modules, extensive problemsets, progress tracking and a forum, and the guide states it is not an official syllabus.
CSS Speedrun is a small web app for testing CSS knowledge. Users enter the CSS selector that applies to all elements marked with an arrow, and a timer starts after the first puzzle is solved correctly. It presents 10 puzzles, and users can view their results or check the GitHub repository to create their own puzzles.
