Glossary

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...

Source code for Harbour, an open-source xBase compiler compatible with Clipper. Used for maintaining legacy business applications.

A one-way cryptographic function that converts data of any size into a fixed-length string of characters (hash). Unlike encryption, hashing is irreversible. Common algorithms include SHA-256, bcrypt,...

A purely functional programming language with strong static typing, type inference, and lazy evaluation. Haskell is known for its mathematical rigor, powerful type system including monads, and is used...

Source code for Haxe, a cross-platform language that compiles to JavaScript, C++, C#, Java, PHP, Python, and Lua from a single codebase.

A content management system that provides content via an API without a built-in front-end presentation layer. A headless CMS separates content creation from content display, allowing developers to del...

A package manager for Kubernetes that simplifies the deployment and management of applications. Helm uses "charts": pre-configured packages of Kubernetes resources: to define, install, and upgrade com...

A package of pre-configured Kubernetes resources managed by Helm, the Kubernetes package manager. Supports templating and versioned releases.

A decoy system or resource deliberately set up to attract and detect unauthorized access attempts. Honeypots appear to be legitimate targets but are actually monitored traps used to study attacker beh...