Copy-paste accessibility testing reference — WCAG 2.2 AA criteria by check, contrast ratios, keyboard expectations, screen-reader commands, ARIA patterns, axe rules and tags, Playwright accessibility assertions, issue template and tools.
Copy-paste reference for testing AI and LLM features — what to test, assertion types, pytest and promptfoo snippets, OWASP LLM Top 10, RAG and agent checklists, metrics and thresholds, attack prompts, judge rubrics and tools.
Copy-paste API testing reference — HTTP methods and status codes, curl flags, auth headers, the per-endpoint checklist, negative test ideas, Postman scripts, Newman, pytest/requests, Playwright request and REST Assured equivalents, GraphQL and handy one-liners.
Copy-paste reference for everyday Java 21 — strings, collections, sorting, streams, dates, files, regex, concurrency, JUnit, and build commands.
Copy-paste manual testing reference — templates (test case, bug report, charter, status, sign-off), which technique to use, heuristics, input ideas by field type, feature checklists, severity scale and DevTools shortcuts.
Copy-paste mobile testing reference — device matrix template, mobile checklists, Playwright device emulation, adb and simctl commands, Appium capabilities and locators, gesture commands, network/permission controls, and store-readiness checks.
Copy-paste performance testing reference — test types and shapes, metric formulas, k6 CLI, options, executors, thresholds, checks, custom metrics, tags, test-data loading, bottleneck signs, SLO examples and report outline.
Copy-paste reference for everyday Python 3 — data types, strings, collections, flow control, functions, files, classes, regex, and more.
Copy-paste reference for authorised security testing — OWASP Top 10 checks, test payloads for practice targets, security headers, cookie flags, curl recipes, scanner commands (ZAP, Semgrep, Trivy, Gitleaks), JWT decoding, CVSS bands, finding template and practice targets.
Copy-paste SQL reference — clause order, operators, functions, joins, window frames, DDL, types, dialect differences (PostgreSQL, MySQL, SQLite, SQL Server), CLI commands, and handy queries.
Copy-paste test automation reference for Playwright + TypeScript — CLI, locators, actions, assertions, annotations, config options, fixtures, network routes, CI snippets, error messages and fixes, and Selenium/Cypress/WebdriverIO equivalents.