Just enough Erlang/OTP and rebar, part 1
Zotonic source code have you scratching your head? Learn Rebar first.
Just enough Erlang/OTP and rebar, part 2
Building a gen_server to front the library and generating documentation.
Just enough Postgres
Understand the primary data-store of Zotonic.
Just Enough Regular Expressions (in Erlang)
Learn how to manipulate string data with the re module.
Just enough Erlang shell
An indispensible tool for both learning and programming Erlang.

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