Mar 17 · 6 min read · When I first built a tiny chat widget for a client, messages sometimes appeared in the wrong order. The UI would show a system message before the user’s own message — even though the network response
Join discussion
Sep 29, 2025 · 3 min read · The other day, I was interviewing someone for a staff engineering position, and I asked a deceptively simple question: 👉 “How would you build a countdown stopwatch that stays as accurate as a real timer?” The candidate started exploring options: set...
Join discussionJul 14, 2025 · 2 min read · Timers in microcontrollers (MCUs) are hardware peripherals that count clock pulses to measure time intervals or generate precise time-based events. They’re fundamental for tasks like delays, PWM generation, event counting, and real-time control. How...
Join discussion
Apr 16, 2024 · 5 min read · Systemd is a software suite that provides a standard process for controlling what programs run when a Linux system boots up. It starts the core programs running and a journal of system activity, the network stack, a cron-style job scheduler, user log...
Join discussion
