Zero overflow in 10 minutes: responsive testing with Claude Code and Playwright
Automated workflow to eliminate horizontal overflow at every resolution. Claude Code + Playwright MCP: screenshot → fix → retest loop until zero defects.
Lessons learned, problems and solutions
Automated workflow to eliminate horizontal overflow at every resolution. Claude Code + Playwright MCP: screenshot → fix → retest loop until zero defects.
A 50-million-row trades table, a 4-second query. After JSONB, partial indexes and date partitioning: 12ms. The four techniques that actually move the needle in production.
First spam comment on my blog: bot analysis, remote cleanup, and server-side math captcha implementation in PHP.
How I built a complete automation service landing page — SEO, contact form, chatbox, modern design — in a single Claude Code conversation.
Hands-on report on fully automating article publishing: dev.to API, LinkedIn OAuth, image upload, and a unified Node.js script.
Binance down for maintenance at 2am, your service keeps hammering it at 10 req/sec. Circuit breaker, exponential backoff retry, timeout, fallback: the complete Go resilience stack.
How to design a 130-line Go package that guarantees err.Error() never leaks technical data into HTTP responses — safe by default, no discipline required.
Bounded contexts, aggregates, value objects and anti-corruption layer — DDD is the 'why' behind CQRS and event sourcing. Applied to a Go service consuming Binance, OKEx and Coinbase.
PHP-FPM allocates an entire process per active request. Go spawns a goroutine at 8 KB. Consequences on RAM, latency under load, and the infra decisions that follow.
Server-Sent Events with PHP-FPM: why 20 simultaneous users can bring down your entire server, and how long-polling solves it without any external library.