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Agile DSL Development in Ruby



The presentation shows how to involve on-site customers in the evolution of their DSL syntax and how it leads to higher-quality, more correct software. The process of moving from a draft DSL syntax to implementation via TDD will be explained in depth.


Obie Fernandez is an independent consultant who previously established the Ruby practice at ThoughtWorks as a Senior Consultant Technologist. He specializes in the design and implementation of web-based applications and has extensive enterprise experience integrating large-scale, distributed applications and legacy systems. Obie has expert-level knowledge of Java enterprise technologies.

About the conference

JAOO is the premier European developer conference on software technology, methods and best practices. The conference presents in-depth presentations and tutorials by researchers, engineers and trend-setters in software engineering and technology.

Recorded at:

Jun 15, 2007

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Community comments

  • Nice talk

    by Sean Cribbs,

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    Very informative and relevant. I wish the slides synced better with the presentation, however!

  • Re: Nice talk

    by Keith Thomas,

    Your message is awaiting moderation. Thank you for participating in the discussion.

    I had already listened to Obie's great RoR podcast and I was so looking forward to seeing the financial organization's dsl code instead of having to imagine it. Then, no slide transition and thus code :(

    Is there a full soft copy of the sides somewhere so I can manually go from slide to slide and get the full content?

    Is it possible some of the slides are removed for confidentiality reasons? Even if this is the case some of the missing slides do not fall into that category, e.g. the favs xml.

  • There is a better way to record presenations

    by Tyler Bird,

    Your message is awaiting moderation. Thank you for participating in the discussion.

    If you want to see a better way to record presentations go to and see how they record both the presenter and the presentation.

    And FYI they are going to RubyConf 2007, so if you can't make it they will have the video for free under the creative-commons license.

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