Connecting Ruby and Elixir with Erlectricity [Screencast] Per-user workers with custom queue processing

Many to many and upserts

This is the 9th chap of our ebook “What’s new in Ecto 2.0 (beta version)” that José Valim presents Ecto.Changeset.put_assoc/4 in contrast to `cast_assoc/3. <br> Many to many and upserts « Plataformatec Blog