Glossary: Letter H

Advanced Video Coding: the most widely used video compression standard, used in Blu-ray, streaming, video conferencing, and HDTV. It provides good quality at relatively low bitrates.

High Efficiency Video Coding: the successor to H.264, offering ~50% better compression at the same visual quality. Used in 4K/8K streaming, UHD Blu-ray, and mobile video.

Versatile Video Coding: the latest video compression standard offering ~50% better compression than HEVC. Designed for 4K/8K, 360-degree video, and HDR content.

HTML Abstraction Markup Language: a Ruby-based template language using indentation instead of closing tags. Popular in Ruby on Rails as a cleaner alternative to ERB.

HTTP Archive: a JSON-based format for recording browser network interactions. Used in browser DevTools for performance analysis and debugging.

HashiCorp Configuration Language: a structured configuration language designed for DevOps tools (Terraform, Vault, Consul, Nomad).

Hierarchical Data Format v5: a file format for storing and managing large, complex scientific datasets. Used in climate science, genomics, physics, and machine learning.

Radiance HDR: a high dynamic range image format storing light intensity data. Used in 3D rendering for environment lighting and image-based lighting.

High Efficiency Image Container/Format: a modern image format based on HEVC compression offering ~50% smaller files than JPEG at similar quality. Default photo format on Apple devices since iOS 11.

SRTM Height File: elevation data from the Shuttle Radar Topography Mission. Each file covers a 1-degree tile of Earth's surface.

High-Level Shading Language: Microsoft's shader language for DirectX and Xbox game development. Used for vertex, pixel, geometry, and compute shaders.

An alternative file extension for HTML files, originating from the 8.3 filename limitation of legacy operating systems like MS-DOS.

HyperText Markup Language: the standard markup language for documents designed to be displayed in a web browser. HTML defines the structure and content of web pages using elements represented by tags.

A flat-file used by Apache web server to store usernames and password hashes for HTTP Basic Authentication, typically used alongside .htaccess for directory-level access control.

HyperText Transfer Protocol: the foundation of data communication on the World Wide Web. HTTP is a stateless, application-layer protocol that defines how messages are formatted and transmitted between...

The second major version of the HTTP protocol that improves web performance through multiplexing (multiple requests over a single connection), header compression, server push, and binary framing. HTTP...

HyperText Transfer Protocol Secure: the encrypted version of HTTP that uses TLS (Transport Layer Security) to protect data transmitted between a browser and a web server. HTTPS ensures confidentiality...

A phenomenon where an AI model generates information that sounds plausible but is factually incorrect or fabricated. Hallucinations occur because language models generate text based on statistical pat...

A logic-less templating engine extending Mustache syntax with helpers, partials, and block expressions. Used in Ember.js, Express.js, and many email template systems.

An open-source container image registry that provides security features like vulnerability scanning, image signing, and role-based access control. Harbor is a CNCF graduated project commonly used in e...