We talk about lessons learned from teachable moments both in the moment and decades later.

• Teachable moment
• Safe Operations for High Volume PostgreSQL by Paul Gross
• How to Create Postgres Indexes Concurrently in ActiveRecord Migrations by Dan Croak
• PostgreSQL COPY FROM
• Guarding against truncating the production database in Suspenders
• Have Some (Referential) Integrity with Foreign Keys
• "Inheritance is not for sharing code" tweet from Sarah Mei
• "Inheritance is for specialization, not for sharing code" from Sandi Metz' "Nothing is Something" talk at RailsConf
• Let's Not by Joe Ferris
• Mystery Guest by Dan Croak
• A modem pool
• Diesel née YAQB