A very brief introduction to using RabbitMQ with Carrot to send data between processes asynchronously.
I wanted to add a nice AJAXified page to display the most recent temperatures from around the house. I walk through the steps involved. This post is longer than the code by a large margin.
Setting up a new laptop, I ran into problems getting Postgres and ruby-serialport to play nicely with Ruby 1.9.1.