Hello, I'm Tom Copeland.

I've written a few books:

• Advanced Active Record
• Deploying Rails with co-author Tony Burns
• Generating Parsers with JavaCC
• PMD Applied

I received a Ruby Hero award way back in 2008. It's a very nice thing, thanks to Gregg Pollack for organizing.

I'm currently unemployed. I was a programmer at Facebook until I resigned in June 2026; my job history is here. I'm not sure if I'm looking for a job right now; happy to chat though.

Here are some web thingies I've been working on:

• A collection of military reading lists.
• Was it a passed ball or a wild pitch?

Here are a couple of open source things I've worked on in order of current activity:

• nullalign - finds missing non-null constraints
• docusign_rest - docusign API client
• Pippi - Ruby dynamic code analysis
• FilterDecrufter - cleans up Rails filters
• OldeCodeFinder - ye may find thatt olde code
• FactoryFaster - optimize FactoryBot usage
• 194x - beginnings of a clone of 1942 in C++ / SDL
• PMD - Java static analysis