Python tutorial - IT technology blog

Pytest-xdist: Running Tests in Parallel in Python, Speed Up Your Test Suite by 4x

A 300-test suite that takes 8 minutes on every push is something no developer wants to deal with. pytest-xdist targets the root cause: spawning multiple workers to run in parallel, putting all your CPU cores to work instead of waiting sequentially. This article covers installation, choosing the right --dist strategy, and practical tips to avoid common pitfalls when switching to parallel testing.
Development tutorial - IT technology blog

Next.js 15 App Router: Mastering Server Components, Server Actions, and Partial Prerendering for Peak Performance

Next.js 15 App Router completely changes how you fetch data and handle forms with Server Components and Server Actions. This article shares practical tips from real-world experience refactoring a large codebase, along with a guide to configuring Partial Prerendering to combine static and dynamic content in a single page.