How do teachers captivate their students? Here, in a feature Chalkbeat calls "How I Teach," they ask great educators how they approach their jobs.

This trick is a classic of magic - passing a coin through the table. It is the perfect trick to do in the pub or bar since you will always have a coin, a napkin and a glass at your disposal.

Expected Behavior Foreign keys should not be dropped and re-created unless there is an actual schema change affecting them. Actual Behavior Foreign keys are dropped and re-created on every migration ...