Page 20 - Monthly Archives: February 2025

mysqldump and XtraBackup solve the same task in fundamentally different ways: one exports data as SQL text, the other copies the data files directly. Which backup strategy fits your database size, allowed downtime and required restore speed decides between hours and minutes of downtime when it matters.

Swoole Coroutines let PHP handle thousands of concurrent tasks efficiently without spawning threads or extra processes. Once you understand how the cooperative coroutine scheduler works, and how channels and WaitGroup synchronize results, you can use Swoole Coroutines for real concurrency in PHP without inheriting the classic pitfalls of threading.

Internal tools have different priorities than public APIs: no heavy traffic, but plenty of disparate data sources, shifting requirements and a small team that needs to ship fast. GraphQL for internal tools fits exactly that need, because one schema bundles multiple backends and admin dashboards no longer depend on an endless list of REST endpoints.

Playwright records a complete trace of screenshots, DOM snapshots, network requests and console output for every failed test run. The Trace Viewer makes this recording searchable and shows exactly which click, which request, or which state caused a test to fail. That replaces hours of guesswork on flaky tests with targeted troubleshooting.

A contrast error in a mockup can be fixed with a single click, the same error after launch costs person-days. This article shows how to check contrast, focus order, and touch target sizes during design, how accessibility acceptance criteria belong in the design handoff, and why designers share responsibility from the start.

Merge conflicts are part of everyday life for every Git team and scare off many developers unnecessarily. This article explains how to read conflict markers, when a graphical merge tool like VS Code, Meld or PhpStorm pays off, how git rerere resolves recurring conflicts automatically, and which strategies help teams reduce the number of conflicts in feature branches from the start.