StackFeed — платформа свежих IT-новостей и туториалов
Мы собираем лучшие материалы о фронтенд-разработке, серверных технологиях и нейросетях. Здесь выходят свежие новости, практические туториалы, разборы и гайды о том, как работать с современными инструментами и технологиями будущего. Всё в одном месте, чтобы ты всегда оставался в курсе событий и развивался как разработчик
Git 2.55's reftable backend creates 10,000 refs in 40ms instead of 650ms
Git's reftable ref backend cut a 10,000-branch bulk write from up to 650ms to about 40ms and shrank the ref store from 40MB to 272KB. Push 150 concurrent writers at it and roughly 40% failed outright with the default lock timeout.
What Nobody Is Using in Your Azure Subscriptions, and What It Costs
A local-first CLI that scans Azure subscriptions for unused resources, prices each one from the Azure Retail Prices API, and drafts the cleanup. One call per subscription across every tenant you are signed into, read-only by default, and a Claude Code plugin over the same engine.
I gave my AI agent one harmless permission. It became a backdoor for everyone.
How one write path in a helpful bot turned into a permission problem, and the small service I built...
Stop Mocking Everything in Integration Tests: Why Testcontainers Changed My CI Strategy
Every backend developer knows the classic trade-off when writing tests: Unit tests with mocks are...
MCP Observability: How to Trace Every Tool Call in Production
📖 TL;DR MCP observability means seeing the full path from a prompt, through the model's tool...
How DNS Actually Works: A Practical Guide for Engineers
You flip a record, curl the endpoint, and get NXDOMAIN. Ten minutes later it resolves, except from...