Code Master Blog

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The video and slides for the Montreal.rb September 2026 talk "Ruby Version Managers in 2026" have been published!

The October Montreal.rb Ruby Meetup has been announced.

Dissecting DHH's RailsWorld 2026 Keynote Speech from a Software Engineering Point Of View: https://www.youtube.com/watch?

The life of a Ruby dev in 2026!

The video and slides for the Montreal.rb February 2026 talk "Crystal: Ruby with Static Typing" have been published!

Release video for Glimmer DSL for Web (Award-Winning Frontend Framework for Ruby on Rails) version 0.10.5 (Before & After Mutation): https://youtu.be/BJ0oSsyddMg GitHub: https://github.com/AndyObtiva/glimmer-dsl-web RubyGem: https://rubygems.org/gems/glim…

I got a weird message from a dev on LinkedIn sharing with me a Frontend UI he built in Opal Ruby, supposedly as inspiration by my library Glimmer DSL for Web (award-winning Opal Frontend Framework for Rails).

Release video for Glimmer DSL for Web (Award-Winning Frontend Framework for Ruby on Rails) version 0.10.4 (Insert Mutation): https://youtu.be/dzAOUKzuvu8 GitHub: https://github.com/AndyObtiva/glimmer-dsl-web RubyGem: https://rubygems.org/gems/glimmer-dsl-…

Glimmer DSL for Web 0.10.3 Release Video: https://youtu.be/weLqzmaIUeo (note: when I mentioned `shift`, I meant `unshift`) GitHub: https://github.com/AndyObtiva/glimmer-dsl-web RubyGem: https://rubygems.org/gems/glimmer-dsl-web Happy Glimmering!

Glimmer DSL for Web 0.10.1 Release Video: https://youtu.be/Tk8mjOzhd5I GitHub: https://github.com/AndyObtiva/glimmer-dsl-web RubyGem: https://rubygems.org/gems/glimmer-dsl-web Happy Glimmering!

One of the dumbest questions I see asked on the Ruby/Rails subreddits is "Are Ruby & Rails still worth learning today?"

So, I got contacted by the organizer of the XO Ruby conference (aka Travelling Ruby), Pascal Laliberté, on meetup.com because I organize the Montreal.rb Ruby Meetup and am a Montreal-based Expert Ruby Software Engineer.

One Bad Monkey Spoils The Bunch!

"The Embarrassing Ruby/Rails Subreddit Chronicles" becomes "The Embarrassing Ruby/Rails Community Chronicles" as it expands to cover embarrassing interactions by bad Ruby/Rails devs all across social media and the real world, exposing rudeness, meanness,…

My RubyConf Austria 2026 talk has been published on YouTube!

I am thankful to the Software Engineer who shared a very supportive comment regarding my experience of discrimination by RubyConf 2026.

RubyConf 2026 is not a safe environment for everyone.

Expectation regarding the Ruby open-source innovation process: 1- I stumble upon a problem at my job in our Ruby application. 2- I build a solution for it in an open-source project (e.g. the ability to write the Frontend with a Ruby Frontend Framework ins…

Just a reminder that RubyConf has become a Cesspool of Discrimination and Exclusion.

The brief version: The explained version:

The Ruby community in 2026 is dominated by mean discriminators and their benefactors (they're about 50% of the community at least).

(Note: this is a live document that could undergo revisions in the future) I came up with a list of laws in relation to doing general Software Engineering work with reliance on AI, from my experience as a Master Software Engineer experimenting with AI and…

RubyConf has joined RailsConf & RailsWorld as another exclusive discriminatory unexcellent conference by discriminating against any speakers who submit talks that cover Frontend Ruby technologies or dethrone React/JavaScript in any way.

My talk “Frontend Ruby on Rails with Glimmer DSL for Web” went well at RubyConf Austria 2026.

Glimmer DSL for Web (Matz Approved Fukuoka Award Winning Frontend Framework for Rails) had a new release in version 0.9.1 that includes a new sample called Hello, Modal!

DB GUI is a Database querying desktop app built in Ruby.

The Popularist (see the meme below first) ceases to question things, stops thinking for themself, and throws all their principles out of the window as soon as a bad technology becomes popular, due to The Popularist lacking the courage and backbone needed…

I recently stumbled upon a Ruby gem called HighLine that simplifies basic command line input/output via an `ask` method and supports validation, conversion, and multi-choices: https://github.com/JEG2/highline Here is an IRB session going through HighLine…

When I reimplemented a React component as the first Glimmer DSL for Web Component in my job's Fintech Rails web app, I thought I did what would have taken 1 week in React in 1.5 days in Glimmer, which seemed like a great improvement in productivity at the…

I recently published a GitHub repo containing the exercises of the wroclove.rb 2026 Ruby conference workshop "Building Rails SPAs in Frontend Ruby with Glimmer DSL for Web": https://github.com/AndyObtiva/glimmer_commerce This GitHub repo provides the simp…

"Oh Ruby, you're the most elegant and beautiful language ever!