Have you ever wondered what happens beneath the covers when you talk to your Database? Well, you are in for a treat! In this talk, we are going to uncover the dark magic behind Database Drivers. We will look at everything that is needed to talk to a database, query its data, and transform it into the native data types in Elixir.
defmodule MyApp.Repo.Migrations.AddMessagesInsertedAtIndex do use Ecto.Migration @disable_ddl_transaction true @disable_migration_lock true def change do create index("messages", ["inserted_at DESC"], concurrently: true) end end if y...
Inside your application.ex file we will add our task supervisor with the name MyApp.TaskSupervisor MyApp.Application is the module where we essentially describe in what order BEAM should start our elixir application and it's the place where you descr...
In this talk, we will start by building the Backend while taking advantage of OTP primitives such as GenServer and friends to build a simple cron to fetch messages from Telegram API and then we build using Phoenix LiveView and Alpine.js to build the ...
In this talk, I'll try to convey the intuition of how GenServers are created from isolated actors and gain some deep and intuitive understanding of GenServer. https://youtu.be/zK5GnJwfrak
