Software development notes

Switching Git branches does not switch your database. Here is why Rails schema files pick up unexpected changes and how to bring a local development database back into sync.

How I fixed SideBarEnhancements' Open in a New Window command, with an update on the upstream fix that was merged in 2021.

A Flask 2.0.1 dependency conflict led me to a Zappa workaround. This historical note preserves the fix and explains why a new deployment should start with current upstream guidance.