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A wiki that provides explanations for xkcd comics. It states that it has an explanation for all 3311 xkcd comics, the 21 extra comics, and xkcd-related material, and notes that 53 explanations are incomplete.
Explanations is a series of articles aiming to let people play with fun parts of computers, such as graphics, compression and audio. Its tagline is "Play, don't show". The series was previously known as Xplain and focused on the X11 window system and protocol. The source code for all demos is available on GitHub under the MIT/X11 license.
Explainpaper is a tool for reading research papers. Users highlight confusing text to get explanations, and can ask follow-up questions. It offers plans from a free tier to paid Pro and Teams options, with Pro including advanced AI models and clickable explanations for graphs, figures and equations.
Explorabl.es hosts Explorable Explanations, a community-driven hub focused on play-based interactive learning. Run by a collective of artists, coders and educators, the platform offers interactive educational content across multiple subjects, lets users make their own explorable explanations, and provides public access to its open sauce code. The project is framed as an ongoing experiment to reunite play and learning.
AIF360, or AI Fairness 360, is a comprehensive toolkit that provides fairness metrics for datasets and machine learning models. It includes explanations for these metrics and algorithms to mitigate bias in data and models. The project is developed by the Trusted-AI community on GitHub.
A reference site collecting rules of basic algebra with explanations and examples for each equation. It covers rules for arithmetic, exponents and radicals, stating that these simple rules can be used to solve most basic algebra problems.
Compiler Explorer is an interactive online compiler that shows the assembly output of compiled C++, Rust, Go and other code. It offers configurable compilers and instruction set filters, shareable URLs, local file loading, and optional AI explanations that users can disable with a no-ai directive.
Cook Well is a recipe and cooking-education site with over 600 recipes and frameworks, video explanations of technique, and an app with a meal planner and self-building grocery lists. Recipes can be browsed free, while membership unlocks the planner, all new recipes, frameworks and AI features.
Count is a collaborative platform for AI-powered analytics and research that requires explanations for AI-generated answers. Users work with data, files and tools to build canvases containing maps, charts and reports, with comments and tagging for teammates. A free tier includes one project, three canvases, up to five users and daily AI credit limits; the Pro plan costs $49 per editor per month with viewers free.
A GitHub repository from dair-ai containing explanations of key concepts in machine learning. The README lists papers with dates and descriptions, including the Transformer, Elmo, Marian MT, GPT, BERT and Transformer XL.
A catalog of dark pattern examples sorted by category, with explanations of tactics such as bait and switch, confirmshaming, cookie walls, disguised ads, fake scarcity, hidden costs, misdirection and nagging. Entries include named companies and cases.
Distill publishes articles about machine learning, including peer-reviewed explanations of neural network topics such as graph neural networks, feature visualization and feature-wise transformations. In a July 2, 2021 editorial, the team announced that after five years Distill would be taking a break.
ExamVeda is a portal offering multiple choice questions with answers and explanations for competitive examinations. It covers subjects including aptitude, English, verbal and non-verbal reasoning, general knowledge, general science, computer fundamentals and data interpretation, and provides exam-wise practice resources for exams such as SSC and RRB.
ExcelJet provides Excel formula examples with step-by-step explanations, many including video. It covers functions such as VLOOKUP, XLOOKUP, FILTER, COUNTIFS, SUMIFS, SORT and TEXTSPLIT, and offers a downloadable set of important Excel functions.
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.
HamStudy.org provides free amateur radio flash cards, practice tests, and question pools, along with question explanations and an introduction to ham radio. Study material is organized by exam, including Technician, General, Amateur Extra, and other question pools; user registration is free.
IndiaBIX provides aptitude questions and answers with detailed explanations for competitive examinations, placement interviews, and entrance tests. It includes fully solved problems plus MCQ-type aptitude questions, with PDF downloads available.
Intelligent Documentation Generator Agent is a Hugging Face Space that generates detailed documentation for Python code via pasting, uploading, or linking, and allows users to chat with the AI for code explanations and insights.
The Modern JavaScript Tutorial offers simple but detailed explanations with examples and tasks covering closures, document and events, object oriented programming and more. The JavaScript language part starts from scratch and goes on to advanced concepts like OOP, concentrating on the language itself. A translation page lists translations into various languages.
This is an online implementation of John Conway’s Game of Life, a single-player game invented in 1970 by Cambridge mathematician John Conway. The website allows users to play the game, and also includes a Life Lexicon, explanations of Game of Life rules, and additional information about Conway’s Game of Life.
Free audio language courses focused on intuitive explanations and listening practice.
LearnClash is a quiz duel app in which players face a real opponent 1v1 on general knowledge or a chosen topic. Every answer is explained, and missed questions return after 7 days. Duels are turn-based with a 72-hour window per turn. Duels, explanations and missed-question reviews are free, with no ads.
Machine Learning in MatLab/Octave is a collection of MatLab/Octave implementations of popular machine learning algorithms, including code examples and explanations of the associated mathematics. It covers supervised learning tasks such as regression and classification as well as unsupervised learning.
The W3C Markup Validation Service is a service based on SGML and XML parsers that checks the markup validity of Web documents, including HTML, XHTML, SMIL and MathML. Documents can be checked by URI, file upload or direct input. An experimental web service API is documented, along with a user's guide and explanations of error messages.
