Sean Carley

In a word iterators. No single language feature has changed the way I think about code more than the simple, now seemingly obvious, pervasi...

Pat has convinced me to set some minor goals on the way to completing Structure and Interpretation of Computer Programs together. The first...

Many of you have heard of the Law of Demeter (LoD). For those who haven't, I recommend reading Robert C. Martin's great article (in...

The smallest things have the capacity to cause the most pain. Today's pain is caused by 5 characters, or to be more acurate, the absenc...

The Moral: Always include test_helper in Rails tests. Be specific when handling exceptions. Use diff . Trust diff . Pair often. Pair alwa...

For the second installment of Assignment in Ruby, I would like to explore block assignment. Block assignment is very similar to the simple ...

Developing test first is like rock climbing on lead. When a climber climbs lead, they have to place protection as they go. At any point, if...

Given Grandchild , your controllers need model :grandchild . Without it, well, this could happen: There is a sinking feeling in your gut. ...