Glossary index

Technology, science and the universe

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Mathematics and statistics

R

R is a programming language and software environment specifically designed for statistical computing and graphics. Its syntax is similar to that of other programming languages, making it easier to…

Blockchain and Web3

R&D DAO

A Research and Development DAO (Decentralized Autonomous Organization) is an organizational structure that uses blockchain technology to facilitate collaboration on research and development projects…

Mathematics and statistics

R-squared

R-squared, also known as the coefficient of determination, is a statistical measure that represents the proportion of variance in a dependent variable that is explained by one or more independent…

Operating systems

R1

R1 is a reference to a specific version of Haiku OS, an open-source operating system that aims to recreate the experience of BeOS. Haiku OS focuses on simplicity, efficiency, and ease of use…

Operating systems

R2

R2 refers to the second version of Haiku OS, an open-source operating system that aims to recreate and enhance the BeOS experience. Haiku OS focuses on simplicity, efficiency, and ease of use…

Hardware, electronics and robotics

R5

R5 is an earlier version of BeOS, an operating system designed to be highly efficient and optimized for multimedia. BeOS was created in the 1990s by Be Inc. and stood out for its modern architecture…

Data and analytics

RAC

RAC (Real Application Clusters) is a database clustering solution that allows multiple instances of Oracle Database to run on different servers, providing high availability and scalability. This…

Data and analytics

Racer

Racer is a tool designed specifically for the Rust programming language that provides real-time feedback on code quality and error detection. Its main goal is to enhance the development experience by…

Cybersecurity

RACF

RACF (Resource Access Control Facility) is a security tool used to control access to resources in an IT environment. This solution, developed by IBM, allows organizations to effectively manage who…

Artificial intelligence

Racial Bias

Racial bias in artificial intelligence refers to the tendency of AI systems to produce different outcomes based on individuals' race. This phenomenon can manifest in various applications, from hiring…

Business and technology management

RACI Matrix

The RACI Matrix is a project management tool that helps clarify roles and responsibilities within a team. Its name comes from the initials of four key terms: Responsible, Accountable, Consulted, and…

Hardware, electronics and robotics

Racing drones

**Description:** A racing drone is a type of drone specifically designed for racing competitions. These drones are highly specialized, optimized for speed, agility, and maneuverability in racing…

Graphics, games and extended reality

Racing game

Racing games are a genre of video games that focus on competition between vehicles, whether cars, motorcycles, boats, or even airplanes. These games provide a simulation experience of speed and…

Engineering and transportation

Racing Sail

The racing sail is a type of sail specifically designed to maximize speed and performance in sailing competitions. These sails are generally lighter and made from high-tech materials that allow for…

Hardware, electronics and robotics

Rack

A rack is a structural frame designed to mount multiple hardware components, such as servers, networking equipment, and other electronic devices. Racks are typically standardized in size, with the…

Software development

Rack::Test

Rack::Test is a testing library specifically designed for applications that use Rack, a modular interface for web servers in Ruby. This tool allows developers to perform integration tests easily and…

Software development

Racket

Racket is a general-purpose programming language based on the Scheme language, which is one of the most well-known variants of Lisp. Racket stands out for its focus on creating programming languages…

Software development

Racket Framework

Racket Framework is a development environment designed to facilitate the creation of web applications using the Racket programming language. This framework is based on the philosophy of functional…

Software development

RacketScript

RacketScript is a programming language that compiles code written in Racket to JavaScript, thus facilitating the creation of interactive web applications. Racket itself is a dialect of the Lisp…

Software development

Rack Middleware

Rack Middleware is a set of components that sit between the web server and web applications in the Ruby ecosystem. Its main function is to process HTTP requests and responses, allowing applications…

Hardware, electronics and robotics

Radar

Radar is a system that uses radio waves to detect and locate objects, as well as to determine their speed and direction. This device emits radio pulses that, when they hit an object, reflect and…

Data and analytics

Radar Chart

The radar chart, also known as a spider chart or star chart, is a graphical method used to display multivariate data in a two-dimensional graph. This type of visualization allows for the…

Hardware, electronics and robotics

Radar Detection

Radar detection is a technology that uses radio waves to locate and track objects in airspace, including drones. This system emits radar pulses that bounce off objects and return to the receiver…

Hardware, electronics and robotics

Radar Level Sensor

A radar level sensor is a device that uses radar technology to measure the level of liquids or solids in a container or designated space. This type of sensor emits radar waves that reflect off the…

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