Learn how to turn requirements and a domain model into a clean REST API using FastAPI and Pydantic v2, using FastURL — a URL shortener — as a concrete case study.
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Learn programming through practical, project-based tutorials covering a wide range of languages and technologies. This category includes beginner-friendly guides on HTML and CSS — the building blocks of the web — as well as tutorials on YAML for configuration management, overviews of the top programming languages to learn, and hands-on coding projects that help you build real skills. All tutorials follow the philosophy of learning by doing: understanding a concept is best achieved by building something with it.
Learn how to design robust, domain-driven REST APIs using HTTP semantics and clean architecture principles, using Kubernetes as a practical case study.
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Build a real async news aggregator step by step — fetching RSS feeds concurrently with aiohttp, the same code used in the Alfred open-source project. Each section adds one asyncio pattern: gather, TaskGroup, timeout, Semaphore, and format_news.
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Master Python concurrency: understand when to use threads, processes, or asyncio — and why the event loop became the backbone of modern high-throughput applications.
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Learn how to build a clean, transactional database layer in Python using SQLAlchemy ORM, a DatabaseSessionManager, DAO models, and the DAO vs DTO boundary inside a layered architecture.
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Typer brings Python type hints to CLI development — no decorators, no boilerplate, just annotated functions. See how it compares to argparse and Click on the same Task Manager CLI.
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Learn how the Click library simplifies Python CLI development — cleaner commands, built-in type validation, and no shared execute() boilerplate.
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