Short, useful references for test automation, browser tooling and everyday software quality work.
A practical Hugging Face guide for QA engineers covering model selection, NLP, embeddings, audio, speech recognition, computer vision, multimodal models, deployment and testing machine-learning systems.
A practical generative AI guide for QA engineers covering LLM capabilities and limitations, prompting, RAG, fine-tuning, model selection, agents, AI projects, responsible AI and testing AI-powered systems.
A practical Jenkins CI guide for QA engineers covering Pipeline as Code, automated test execution, Maven, GitHub, parallel and parameterised jobs, reports, notifications and CI best practices.
A practical guide to using GitHub Copilot across the software development lifecycle, covering productivity, QA, AI-assisted workflows, limitations and measuring impact.
A practical guide to understanding and documenting code with GitHub Copilot using Ask, Plan and Agent modes, workspace context, inline documentation and project documentation workflows.
A practical guide to developing software features with GitHub Copilot using code completions, Next Edit Suggestions, Inline Chat, Ask, Plan and Agent workflows.
A practical guide to using GitHub Copilot for unit testing, covering test generation, Ask-Plan-Agent workflows, xUnit, mocks, test maintenance, failure analysis and QA review.
A practical physical security guide for QA engineers covering access control, entry types, doors and locks, server-room protection, monitoring, authorised assessments and physical-security test design.
A practical governance and compliance guide for QA engineers covering GRC, security policies, GDPR, PCI DSS, NIST controls, ISO/IEC 27001, SOC 2 and compliance-focused test design.
A practical Unified Kill Chain guide for QA engineers covering the 18 attack phases, In-Through-Out progression, threat modelling, defensive controls, MITRE ATT&CK and security-focused test design.
A practical Cyber Kill Chain guide for QA engineers covering attack stages, defensive controls, threat modelling, detection testing, MITRE ATT&CK and security-focused test design.
A practical security principles guide for QA engineers covering CIA and DAD, security models, defence in depth, least privilege, Zero Trust, risk, cloud responsibility and security-focused test design.
An advanced Cypress guide for QA engineers covering retryable assertions, network interception and mocking, API testing, custom commands and queries, Node tasks, authentication sessions, configuration and GitHub Actions.
A practical Kubernetes guide for QA engineers covering cluster architecture, Pods, Deployments, Services, configuration, storage, health probes, kubectl, debugging, CI/CD and cloud-native testing.
A practical guide to Test-Driven Development covering Red-Green-Refactor, test layers, Rails and Minitest examples, fixtures, integration and system testing, mocks, external services and the QA engineer's role in TDD.
A practical Cypress guide for QA engineers covering project setup, selectors, interactions, assertions, retryability, API and network testing, debugging and CI/CD.
A practical Docker guide for QA engineers covering containers, images, Dockerfiles, Compose, test environments, Playwright, CI/CD and debugging.
Build faster and safer delivery pipelines with practical test automation strategies, Playwright CI, infrastructure, observability and production feedback.
Practical guidance for using GitHub Copilot effectively, safely and responsibly across development, testing and QA workflows.
Practical prompt structures, techniques and copy-ready examples for requirements, test cases, automation and defect investigation.
How MCP connects QA agents to browsers, APIs, repositories and data, with practical workflows, security controls and testing guidance.
How to create reusable project instructions, QA skills, specialist agents and controlled multi-agent testing workflows.
Practical n8n patterns for defect intake, failure triage, QA reporting and safe AI-assisted workflow automation.
Practical test case design techniques with Gherkin-first examples and copy-ready detailed and lightweight templates.
Useful QA metrics, trends and copy-ready sprint and release templates for keeping teams informed throughout a project.
How to define a practical risk-based testing direction, with a complete copy-ready test strategy template.
How to plan testing for a project or release, including scope, criteria, schedule, responsibilities and a copy-ready template.
How QA strategy, sprint testing, automation, CI/CD, regression and release activities connect from project discovery to production.
A practical guide to screenshot baselines, Playwright visual assertions, stable comparisons, CI review and visual-testing tools.
A practical guide to MCP, test agents, AI-assisted automation, evaluation, visual testing and safe adoption in QA.
Installation, test structure, actions, assertions, waits, fixtures, debugging and useful Playwright commands.
A practical reference for common 2xx, 3xx, 4xx and 5xx responses and what to verify.
Methods, headers, authentication, request bodies, validation and useful negative API tests.
Practical CSS selectors for attributes, relationships, partial matches, pseudo-classes and console testing.
Auto-waiting, explicit waits, polling, timeouts, actionability and avoiding fixed sleeps.
Cookies, web storage, IndexedDB, cache and practical state-related test scenarios.
Inspect, edit and replay requests, test poor connections, block resources and work safely with HAR files.
Login, logout, password reset, roles, MFA, lockout and essential security edge cases.
Semantic HTML, keyboard, focus, labels, contrast, ARIA, screen readers and testing tools.
Common regular expression building blocks and practical patterns for test-data validation.
SELECT, filtering, joins, grouping, duplicates, NULL values and safe data-verification queries.
Equivalence partitions, boundary values, decision tables, pairwise coverage and state transitions.
Clear titles, reproduction steps, expected and actual results, evidence, severity and priority.
Validation, limits, autofill, keyboard behaviour, submission and useful error-handling checks.
Viewports, breakpoints, orientation, touch, overflow, zoom and device emulation.
File types, limits, filenames, duplicates, progress, cancellation and download verification.
Connections, messages, reconnection, authentication, ordering and DevTools debugging.
Response time, throughput, percentiles, concurrent users, load patterns and practical tools.
A practical reference for everyday Git commands, feature branches, merging, conflicts and safe recovery.
Docker basics for testers, plus a minimal Playwright project that runs consistently inside a container.
A practical guide to inspecting pages, debugging requests and testing browser behaviour with Chrome DevTools.
A compact reference for choosing, writing and testing reliable web element locators.
Test location-aware experiences by overriding the browser timezone in Chrome DevTools.
An introduction to Microsoft's modern cross-browser automation framework.
A quick introduction to keyword-driven test automation with Robot Framework.
Notes on the role, reach and day-to-day practice of quality assurance.