Glossary index

Technology, science and the universe

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Engineering and transportation

Hitch Pin

The hitch pin is a mechanical device designed to secure the connection between two elements, ensuring they remain joined during use. This component is essential in various industrial and…

Graphics, games and extended reality

Hit Rate

The hit rate is a key indicator in video games, especially in action and shooting games, measuring the percentage of shots or attacks that successfully hit a target. This percentage is calculated by…

Graphics, games and extended reality

Hit Testing

Hit testing is a technique used in computer graphics and user interface design to determine whether a point, typically represented by a mouse pointer or touch input, intersects with a graphical…

Data and analytics

Hive

Hive is a data warehouse infrastructure built on Hadoop that allows users to summarize, query, and analyze large volumes of information. Its design is based on a data model similar to that of…

Hardware, electronics and robotics

Hivemq

HiveMQ is an MQTT (Message Queuing Telemetry Transport) broker specifically designed for managing and analyzing data in the Internet of Things (IoT) space. Its scalable and robust architecture allows…

Data and analytics

HKEYS

The HKEYS command in Redis is used to retrieve all the field names in a hash. Redis, an in-memory data storage system, allows developers to work with complex data structures, and hashes are one of…

Data and analytics

Hline

A horizontal line drawn across the graph, often used to indicate a specific value or threshold, is a fundamental visual tool in data analysis. This line can represent an average, an upper or lower…

Graphics, games and extended reality

HLOD

HLOD, or Hierarchical Level of Detail, is a system that optimizes the rendering of complex scenes by managing the level of detail of objects based on their distance from the viewer. This approach…

Data and analytics

HLOOKUP

HLOOKUP is a function used in data analysis tools like Microsoft Excel. Its main purpose is to search for a specific value in the first row of a table and return a corresponding value in the same…

Networking and telecommunications

HLS

HTTP Live Streaming (HLS) is a media streaming protocol developed by Apple that allows the delivery of multimedia content over the Internet. This protocol divides content into small segments and…

Software development

HLS API

The HLS (HTTP Live Streaming) API is a programming interface that enables the delivery of multimedia content over the Internet using the HTTP protocol. This technology, developed by Apple, is based…

Graphics, games and extended reality

HLSL

HLSL, or High-Level Shading Language, is a programming language specifically designed for creating shaders in computer graphics. This language allows developers to write code that runs on the GPU…

Graphics, games and extended reality

HLSL Compiler

The HLSL (High-Level Shading Language) compiler is an essential tool in the field of graphics programming, especially in the context of graphics APIs such as Vulkan. Its main function is to convert…

Graphics, games and extended reality

HLSL Shader

An HLSL (High-Level Shading Language) shader is a program written in a high-level language specifically designed for graphics programming in 3D rendering environments. This type of shader allows…

Graphics, games and extended reality

HLSL to SPIR-V

The process of converting HLSL (High-Level Shading Language) shaders to SPIR-V (Standard Portable Intermediate Representation - Vulkan) format is fundamental for modern graphics application…

Networking and telecommunications

HLS Protocol

The HLS (HTTP Live Streaming) protocol is a media streaming protocol developed by Apple that allows the delivery of audio and video content over HTTP. This protocol is based on segmenting content…

Cybersecurity

HMAC

HMAC stands for Hash-based Message Authentication Code, a mechanism for authenticating messages using cryptographic hash functions. HMAC combines a cryptographic hash function with a secret key…

Cybersecurity

HMAC-SHA256

HMAC-SHA256 is a specific type of HMAC that uses the SHA-256 hash function. HMAC, which stands for 'Hash-based Message Authentication Code', is an authentication mechanism that combines a…

Cybersecurity

HMAC Algorithm

The HMAC (Hash-based Message Authentication Code) algorithm is a specific construction for creating a message authentication code based on a cryptographic hash function. Its main goal is to ensure…

Cybersecurity

HMAC API

An API that uses HMAC (Hash-based Message Authentication Code) for secure message verification is a fundamental tool in the field of cybersecurity. HMAC combines a cryptographic hash function with a…

Operating systems

HMC

HMC, or Hardware Management Console, is an essential device used to manage and monitor IBM Power systems. This system provides a graphical interface that allows system administrators to control and…

Data and analytics

HMGET

HMGET is a Redis command that allows retrieving the values of multiple fields in a hash efficiently. Redis, an in-memory data store, utilizes advanced data structures, and hashes are one of them…

Software development

HMI

The Human-Machine Interface (HMI) is a system that allows interaction between a user and a machine, facilitating communication and control of processes. This interface can take various forms, such as…

Operating systems

HMI (Human-Machine Interface)

The Human-Machine Interface (HMI) is a system that allows interaction between a human operator and a controller of an industrial system. Its main objective is to facilitate communication and process…