How 59 Seconds of Delay Made Me Switch From Cron to systemd
Same machine, same Node.js, two approaches: a cron to publish on a fixed schedule, a daemon to react in 30 seconds. Cron, systemd timer, daemon — when to use which and why.
Lessons learned, problems and solutions
Same machine, same Node.js, two approaches: a cron to publish on a fixed schedule, a daemon to react in 30 seconds. Cron, systemd timer, daemon — when to use which and why.
Everything Claude knows about how you work lives in ~/.claude/ — and it doesn't sync. How to rebuild your global CLAUDE.md, reference files, statusline and plugins in minutes on a fresh machine.
Claude Code's auto-memory keeps across sessions what evolves too fast for CLAUDE.md: preferences, active decisions, gotchas. The 4 types, filtering criteria, and an audit prompt to keep it clean.
.claudeignore, domain-split CLAUDE.md, aggressive /clear between tasks, targeted questions — concrete levers to cut token usage without losing quality.
How I built a bot that scrapes LinkedIn posts, detects new comments, and replies via Claude CLI in under 30 seconds.
REST for public APIs, gRPC for internal services. Server streaming for a real-time price feed, Protobuf for typed contracts, and the 4 streaming modes explained.
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.