The online version of the work-in-progress third edition of the book ggplot2: Elegant Graphics for Data Analysis, published by Springer. It focuses on explaining the Grammar of Graphics that ggplot2 uses and describes its full details rather than serving as a cookbook. Written by Hadley Wickham, Danielle Navarro and Thomas Lin Pedersen.
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.
The Hitchhiker's Guide to Python is an opinionated guide to the Python programming language and a best practice handbook for installing, configuring and using Python daily. It covers topics such as getting started, development environments, writing and shipping code, and project documentation.
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.
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.
Try Ruby provides educational videos, lessons, tutorials, or self-learning resources.
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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.
The Hitchhiker's Guide to Python is an opinionated guide to the Python programming language and a best practice handbook for installing, configuring and using Python daily. It covers topics such as getting started, development environments, writing and shipping code, and project documentation.
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.
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.
Try Ruby provides educational videos, lessons, tutorials, or self-learning resources.
