Terms starting with "K"
Knowledge Base Population
The pipeline that extracts, structures, chunks, and loads domain content into a searchable repository for retrieval, often feeding a RAG system.
5d ago
Knowledge Engineering intermediate
Knowledge Representation Formats
Standard serializations like RDF, Turtle, JSON-LD, and OWL that encode entities, relationships, and semantics for knowledge graphs and linked data.
5d ago
Knowledge Engineering intermediate
Knowledge Distillation
A compression technique where a smaller 'student' model is trained to mimic the outputs of a larger 'teacher' model, achieving comparable performance at a fraction of the inference cost.
3mo ago
AI / ML advanced
Kubernetes for PHP Developers
PHP 5.0+
1
The essential Kubernetes concepts PHP developers need — Pods, Deployments, Services, ConfigMaps, Secrets, and Ingress — for deploying and scaling PHP applications on Kubernetes.
3mo ago
DevOps intermediate
Key Array Functions (array_map, array_filter, array_reduce…)
PHP 5.0+
6
PHP's functional array processing functions enable expressive, pipeline-style transformations without explicit loops.
3mo ago
PHP beginner
Key Derivation Functions
PHP 5.5+
KDFs (PBKDF2, bcrypt, scrypt, Argon2) derive a cryptographic key from a password by being intentionally slow — making brute-force attacks computationally infeasible.
3mo ago
Cryptography advanced
Key Management & Rotation
The policies and practices for generating, storing, distributing, rotating, and retiring cryptographic keys securely.
CWE-320 OWASP A2:2021
3mo ago
Security advanced
Key String Functions (str_contains, str_starts_with, str_ends_with…)
PHP 5.0+
PHP 8.0 introduced readable string helpers that replace strpos() !== false idioms for common substring checks.
3mo ago
PHP beginner
Keyboard Navigation
HTML5 Ensuring all interactive elements are reachable and usable with keyboard alone — essential for users who cannot use a mouse and required for WCAG compliance.
3mo ago
Accessibility intermediate
Keyset Pagination
PHP 5.0+ A pagination technique using WHERE id > :last_seen_id instead of OFFSET, providing consistent O(log n) performance regardless of page depth.
3mo ago
Database intermediate
KISS Principle
PHP 5.0+
Keep It Simple, Stupid — prefer the simplest solution that solves the problem over clever or complex abstractions.
3mo ago
Code Quality beginner