This story (like the last one) was also inspired by the curiosity of my students at Cali, Colombia. The question, this time, is: When and why does the bang (!) operator fail?

Not so long ago, John Hughes showed a module called Aaargh!! to the erlang-questions mailing list. How parse transforms and macros and the Erlang compiler all worked together to mess up with us. (more…)

Do you remember List Incomprehensions? Well… there is more! And it will take us all the way down to the core of Erlang! (more…)

In this post, we walk through monitoring the Erlang VM with the metrics automatically shown in AppSignal's Magic Dashboard. (more…)

Last year I was invited to ElixirConf Latin America in Colombia to give a talk, I proposed to also give a tutorial about Riak Core and they said that it should be in Elixir, so I started looking into (more…)