Documentation
64 bites tagged Documentation — interview questions with model answers, and 60-second explainers.
Add summary and description to a FastAPI endpoint for Swagger UI
This tests FastAPI path operation decorator configuration. Pass summary and description to @app.get, or use function docstring for description. A red flag is setting metadata inside the function body or confusing docs with Pydantic Field descriptions.
What standard and code elements power FastAPI's auto-generated API docs?
Tests whether you know FastAPI uses the OpenAPI standard and extracts metadata from Python type hints, Pydantic models, decorators, and docstrings to build interactive docs. Red flag: claiming you must manually maintain a separate schema file.
Migration Guide: Operational Playbook for Design System Changes
A migration guide is an operational playbook, not just docs: it phases breaking design system changes across production code so teams don't freeze development. Skip the operational plan and you end up with a permanent dual-system mess.
ADR: Capture Context, Not Just Conclusions
An Architecture Decision Record captures why a significant technical choice was made, so teams understand trade-offs without relitigating them. Use it when a decision is costly to reverse or crosses team boundaries.
Federated Docs: One Hub, Many Authors
A federated documentation strategy treats your design system docs like a network, not a monolith. Each team maintains docs in their own repo, and a central hub aggregates them.
Design Token Documentation as Usage Contracts
A design token dictionary translates raw values into intent: it tells engineers when to use color-action-primary versus the raw hex across web, iOS, and Android. Without usage context, teams treat tokens as magic numbers and drift from the system.
Interactive Component Previews: Docs That Behave
Component previews are live playgrounds: tweak props in docs to see real behavior. Storybook and design system portals use them so developers test variants before adoption. Let preview code drift from production and your docs become lies.
Component Usage Guidelines as Guardrails
Usage guidelines are guardrails, not the component itself. They tell engineers when to pick primary versus secondary buttons, or when a modal becomes a page. Without them, teams reinvent one component for different contexts, fragmenting the system.
Storybook: Design System Documentation
Storybook is a workshop for building UI components in isolation, then auto-publishing docs from those living examples. Teams use it to catalog design systems without maintaining a separate documentation site.
Propose a strategy to migrate fragmented docs into a unified docs-as-code system
Inventory sources; choose SSG by team fit; automate extraction; phased rollout with redirects. Phased migration from fragmented docs to a unified Git workflow. Big-bang cutover without audit, buy-in, or rollback.
Refactor this to active voice and explain why it is preferred
This tests spotting passive clauses and why active voice improves clarity. Answer: rewrite to "The script processes the data and sends it to the database," noting active voice is clearer and names the actor. Red flag: claiming passive is more professional.
What metrics prove documentation business impact and how do you instrument?
Tests tying docs to revenue and costs. Strong answers present acquisition (dev signups, quickstart rate), adoption (endpoint breadth, trial conversion), and deflection (support tickets) via event instrumentation and CRM joins.
Design an automated system to validate tutorial snippets against new releases
Separate API docs from other snippets; run CI on new dependency versions; inject secrets via hooks. Auto-validating docs when libraries release updates. Manual checks or credentials in markdown.
Write a conventional commit for a non-US date sorting bug
Pick fix(locale): imperative subject; body explains root cause, impact, and SemVer mapping. Your ability to use commits as documentation and versioning signals. Vague subjects like "fixed bug" with no scope or body.
Outline README sections for a migration CLI and explain persuasion
Tests information architecture and developer persuasion. Strong answers sequence: hook, one-line install, runnable quickstart, comparison table, then config. Front-loads time-to-value and tackles migration pain.
How do you decide appropriate documentation levels without creating unnecessary overhead?
This tests balancing Manifesto values with operational reality. Strong answers define audience first, favor living docs over static artifacts, and calibrate depth to team topology and lifecycle stage. Red flag: using the Manifesto to justify no documentation.
How do you decide the right level of project documentation?
This tests your pragmatism beyond literal Agile interpretation. A great answer defines docs as a product for a specific user, ties value to reducing future work, and proposes a tiered approach. A red flag is treating all documentation as pure overhead.
How do you apply 'working software over comprehensive documentation'?
This tests your ability to balance velocity with maintainability. A great answer defines docs by audience and purpose (onboarding, ops), prioritizes "living" docs like tests, and uses a just-in-time approach. A red flag is treating this as "no documentation."
Design System Docs: The Product, Not the Afterthought
Treat your design system documentation as a product, not a cleanup task. It's the instruction manual that prevents your component library from being misused. It's essential for scaling a design system to ensure consistency and speed up onboarding.
Customizing FastAPI's Swagger UI Behavior
Treat FastAPI's Swagger UI as a configurable frontend, not a static page. You can customize its behavior by passing a dictionary of settings on app startup. This is useful for changing themes or pre-filling auth fields. The footgun: keys must be camelCase.
FastAPI: Configure API Metadata for Better Docs
Think of FastAPI metadata as your project's business card. It sets the title, version, and description in your auto-generated docs, making your API professional and discoverable. The main footgun is forgetting to update the version string after a release.
FastAPI: Automatic Interactive API Docs
FastAPI turns your Python type hints into live, interactive API documentation. It generates an OpenAPI schema to power a UI where you can test endpoints directly from your browser, no extra work needed.
PR/FAQ: Write the Press Release Before You Build
A PR/FAQ forces you to write the launch press release before writing any code, ensuring you build something customers want. It vets ideas by starting with the customer benefit and working backwards.
Model Cards: The 'Nutrition Label' for AI Models
A model card is the nutrition label for an AI model, summarizing its ingredients, intended use, and risks. Found in model repos, it details training data, performance, and ethical guardrails.
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