Using Mocks Safely in Elixir Tests Editing topic tags as a list in a Phoenix form

A Simple Notification System using Phoenix PubSub and pg_notify

Send yourself emails when users sign up or change their subscription plans

https://medium.com/@bnchrch/get-notified-of-user-signups-and-plan-changes-automatically-using-postgres-phoenix-pubsub-e67d061b04bc

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