X-Men: Days of Future Past, Explained in Git
by Vic Ramon on June 5, 2014 I went to see X-Men: Days of Future Past last weekend. While having a heated discussion about the logic behind the time travel in the movie with fellow Rocketeer Lucas Galego, we realized that Git provides a great analogy for time travel. So here you have it, the new X-Men movie explained in Git. SPOILER ALERT If you haven't seen the movie yet then you probably shouldn
Using Datomic as a Graph Database
by Andrew Dennis on April 10, 2014 Datomic is a database that changes the way that you think about databases. It also happens to be effective at modeling graph data and was a great fit for performing graph traversal in a recent project I built. I started out building a six degrees of Kevin Bacon project using [Neo4j][], a popular open-source graph database. It worked very well for actors that were
has_one view
by Joshua Davey on February 12, 2013 Sometimes, aggregating data can become overly complex in a normal ActiveRecord model. Because Rails works well with SQL views, we can create associations to SQL views that aggregate data for us, simplifying our models and potentially speeding up queries. Modeling an inbox I've got an inbox. A cat inbox. For real. There are many possible implementations for mode
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Functional Eye for the Ruby Guy
