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Travel tips needed

So in a month’s time I’m headed to Wroclaw, Poland for wroc_love.rb. This is the first time I’ve traveled overseas in almost two decades, so anything I ever knew about international travel I’ve forgotten. (Canada doesn’t really count as international travel. Sorry, Canadians.) As an American nerd flying to Poland, what do I need to […]

Summer Speaking Schedule

After a blessedly quiet June, my conference schedule is filling up again. I’m pleased to announce that I’ll be speaking at the following fine conferences: July 29-30: Cascadia Ruby Conf in Seattle, Washington August 11-13: Lone Star Ruby Conference in Austin, Texas August 26-27: The Ruby Hoedown in Nashville, TN In addition, I’ll be attending […]

RailsConf, BohConf, DCRUG Video

DCRUG First off, I had a great time at DCRUG last night. I enjoyed getting a peek at Jeff Casimir‘s “pre-alpha” presentation on Rails views. And Joel Strait‘s live demo of BEATS was very cool. I did something a little different from my previous “Exceptional Ruby” talks. Since the time slot was limited to half […]

Hello, Red Dirt Ruby!

I’m really enjoying Red Dirt Ruby Conference so far! Love the single-track, short-talks format. Also, I got free jerky from, which is awesome. If you’re coming in because of my DataMapper talk, here are some notes: Slides: Rate the talk: Follow me on Twitter: @avdi The DataMapper home page dm-rails, the DataMapper/Rails 3 integration […]

RailsConf 20% Discount for Virtuous Code Readers

As a RailsConf speaker, I have a 20% discount code to give out, and here it is: rc11fos. If you’re planning on attending RailsConf, be sure to track me down and say hi! This seems like an opportune moment to once again mention that it’s through your help that I’m able to speak at conferences. […]

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Virtuous Code

"The three virtues of a programmer: laziness, impatience, and hubris" — Larry Wall

Books and Screencasts

RubyTapas Screencasts

RubyTapas Screencasts

Small plates of gourmet Ruby code.

Confident Ruby

Confident Ruby cover

32 Patterns for joyful coding.

The Making of

Confident Ruby cover

Watch me build an app in Sinatra and Rails

Objects on Rails

Objects on Rails

A developer notebook on applying classic Object-Oriented principles to Ruby on Rails projects.

Exceptional Ruby

Exceptional Ruby

The definitive guide to exceptions and failure handling in Ruby.