Terms starting with "A"
AI Prompt Versioning
The practice of treating prompts as versioned artifacts — tracking changes, correlating outputs to prompt revisions, and enabling rollback when quality regresses.
1d ago
ai_ml intermediate
AI Model Quantization
Compressing neural network weights and activations to lower-precision formats (int8, int4, fp8) to shrink memory and accelerate inference.
3d ago
ai_ml advanced
AI Synthetic Data Generation
Using generative models to produce artificial training, testing, or augmentation data that mimics the statistical properties of real datasets without exposing originals.
3d ago
ai_ml intermediate
async / await in JavaScript ES2017
async functions always return a Promise; await pauses execution inside an async function until a Promise settles — giving asynchronous code the readability of synchronous code without blocking the event loop.
1mo ago
javascript intermediate
API Versioning
Strategies for evolving an API without breaking existing consumers — URI versioning, header versioning, and content negotiation.
2mo ago
api_design intermediate
AI Alignment The research and engineering discipline of ensuring AI systems pursue goals that are consistent with human values, intentions, and safety — not just stated objectives.
2mo ago
ai_ml advanced
AI Context Poisoning An adversarial technique where malicious instructions are injected into an LLM's context window — via user input, retrieved documents, or tool results — to hijack the model's behaviour.
2mo ago
ai_ml advanced
AI Governance The policies, processes, and organisational structures that ensure AI systems are developed, deployed, and monitored responsibly — covering accountability, fairness, transparency, and compliance.
2mo ago
ai_ml advanced
AI Guardrails Runtime constraints and safety filters applied around LLM calls to detect, block, or rewrite inputs and outputs that are harmful, off-topic, or policy-violating.
2mo ago
ai_ml intermediate
AI Observability The practice of monitoring, tracing, and evaluating LLM-powered systems in production — covering latency, token costs, prompt drift, output quality, and failure modes.
2mo ago
ai_ml intermediate
Accessible Data Tables
HTML tables marked up with correct semantic elements and ARIA roles so screen readers can announce cell context — column header, row header, and position — to the user.
2mo ago
accessibility beginner
A* Pathfinding Algorithm
Heuristic search algorithm that finds the lowest-cost path using f(n)=g(n)+h(n), widely used in maps and game AI.
2mo ago
algorithms advanced
Abstract readonly Properties PHP 8.4+
PHP 8.4 allows abstract readonly properties in abstract classes and interfaces — defining that implementations must provide a readonly property of a specific type.
2mo ago
php advanced
Actor Model
The Actor Model treats everything as an actor — isolated units that communicate only by message passing, never sharing state — eliminating race conditions by design.
2mo ago
concurrency advanced
AI Agent Pattern
An LLM-powered system that takes multi-step actions autonomously — calling tools, reading results, and deciding next steps in a loop until a goal is achieved.
2mo ago
ai_ml advanced
Alerting Best Practices
Good alerts are actionable, symptom-based, and rare — page on user impact, not causes. Alert fatigue from noisy alerts is as dangerous as no alerts.
2mo ago
observability intermediate
Anchors & Word Boundaries PHP 5.3+
Zero-width assertions that match positions rather than characters — ^ matches start of string, $ matches end, \b matches a word boundary — ensuring patterns match in the correct location.
2mo ago
regex beginner
Anonymous Functions / Closures (PHP 5.3) PHP 5.3+
PHP 5.3 introduced anonymous functions (closures) — function() {} expressions assignable to variables, passable as callbacks, and able to capture outer scope with use().
2mo ago
php intermediate
Apache Kafka Concepts
Kafka is a distributed log — producers append to immutable, ordered topics partitioned for parallelism, consumers read at their own pace and replay from any offset.
2mo ago
messaging intermediate
Apache Kafka Fundamentals PHP 7.0+
A distributed event streaming platform that stores messages as an immutable ordered log partitioned across a cluster — optimised for high-throughput, durable, replayable event streams rather than traditional task queues.
2mo ago
messaging advanced