Lessons
Elixir · Medium
Elixir · Medium. Ten lessons. Open-book quizzes. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
Pass all ten lessons for the certificate. Sample · Claim

Lesson 1 · On the house
GenServer basics
use GenServer, start_link, call vs cast.

Lesson 2
GenServer callbacks
Callback return shapes and mailbox messages.

Lesson 3
Supervisors
Child specs and :one_for_one (and friends).

Lesson 4
DynamicSupervisor
Start children at runtime under a DynamicSupervisor.

Lesson 5
ETS
In-memory tables shared across processes.

Lesson 6
Registry
Process names via Registry keys.

Lesson 7
with and tagged errors
with, else, and ok/error tuples.

Lesson 8
Macros intro
AST quotes and a tiny private macro.

Lesson 9
Streams
Lazy pipelines vs eager Enum.

Lesson 10
Medium capstone
One small module: GenServer under a Supervisor.
Sample certificate
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Certificate
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