Learn a classic CSS trick to center a fixed-width or fixed-height element using absolute positioning and negative margins.
Learn how to reset and reinitialize table sequences in PostgreSQL safely, whether preserving existing data or starting fresh.
A look back at how Rails 2.x apps loaded CSV data into models, and how modern Rails apps can do it more efficiently today.
Learn how to add a simple close button to dismiss Rails flash messages and a modern Rails 7+ Stimulus approach.
Learn how to connect a Rails app to multiple databases using establish_connection, with context on modern Rails features for handling multi-DB setups.
