If you call yourself a ruby programmer, you should read this book.

When passing a message to StandardError in ruby 1.8, it will keep that object intact. Ruby 1.9 will convert to a String. Spent more time than I wanted to chasing this down.

TL:D R;

I usually create a branch while working on a feature or bug. I found it helpful to add the following script to my path:

UPDATE: You can use bundler binstubs to squeeze a bit more performance