Free Email Courses

These are completely free email courses. Subscribe and you'll get an email a day until the course concludes.

Online Courses

These are self-paced multimedia courses you can purchase and study right here on avdi.codes.

Flawless Ruby Course

Flawless Ruby is the course after the intro-to-Ruby course. Deepen your understanding of Ruby's style, expressiveness, and unique idioms.

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Master the Object-Oriented Mindset in Ruby and Rails Course

Master the Object-Oriented Mindset in Ruby and Rails (MOOM) is a compilation of everything I've learned about writing flexible and comprehensible OO code over my two decades as a software developer,…

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