The Watchdog Pattern - From ESP32 to Python

Name the problem before reaching for the solution. The device did not crash. It entered a state where it could not make progress, and nothing outside the firmware had authority to change that. Silent failure. No recovery path.

Tracking YouTube Video Watch Progress with Django

Your Django app serves a YouTube video. The page loads, the player appears, and your database records nothing. You have no idea whether the user pressed play, watched ten seconds, or finished the whole thing.

Should Your App Adopt Passkeys?

This article is a decision guide. The question isn't how to implement passkey login. It's whether you should, when the timing makes sense, and for which users first. Implementation details matter eventually - but they don't belong at the front of the decision.