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All articles and discussions should be about the Ruby programming language and related frameworks and technologies like Rails, Hanami, Sinatra etc. Please also add the relevant library tags when making a post.

Questions are encouraged! Including the #help tag will make them easier to find.

Ruby is an open-source dynamic object-oriented interpreted language that combines the good bits from Perl, Smalltalk, and Lisp. It supports multiple programming paradigms including functional, object-oriented, and imperative.

Ruby was initially conceived on February 24, 1993, by Yukihiro Matsumoto ('Matz') and version 1.0 was released in 1996

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Jul 8

Design Patterns in Ruby #2: Observer Pattern

#designpatterns #programming #ruby #rails

3 min read

Andy Maleh

Jul 20

RubyConf Austria 2026 Talk Video: Frontend Ruby on Rails with Glimmer DSL for Web — Andy Maleh

#ruby #rails #conference #frontend

1 min read

Jul 6

Kiro for Ruby: Generating Rails Controllers and Models

#automation #productivity #rails #ruby

10 min read

Luc B. Perussault-Diallo

Jul 4

I recorded my agent auditing a 36k-file Rails app: the play-by-play

#ai #rails #ruby #opensource

6 min read

Jul 3

Build Claude agents using Ruby

#ruby #rails #ai #claude

4 min read

Jul 2

Understanding Rack #2 : Notes from Rebuilding Rails by Noah Gibbs

#rails #backend #rack #ruby

2 min read

Luc B. Perussault-Diallo

Jul 6

"Ruby is the most AI-friendly stack" is half true

#ruby #rails #ai

6 min read

Jul 25

Learning Go as a Ruby Developer # 2: Variables, Constants, and Why Go Doesn't Trust You

#go #ruby #rails #programming

3 min read

Jun 30

Understanding Rack #1 : Notes from Rebuilding Rails by Noah Gibbs

#backend #ruby #tutorial #webdev

2 min read

Dane Wu

Jun 28

One Notification Email Made Our Checkout API 3 Seconds Slower

#rails #performance #ruby #sidekiq

5 min read

Jun 23

Applying some Rage to Discourse, Mastodon, and GitLab

#ruby

4 min read

Dane Wu

Jun 26

ActiveRecord: You Wanted a Number, but Loaded 500,000 Rows Into Memory

#rails #performance #database #ruby

6 min read

Jun 24

The Modular Monolith in Ruby on Rails

#ruby #rails #monolith #architecture

4 min read

Jun 18

Stop Guessing Between .count, .length, and .size in Rails

#rails #ruby #performance #webdev

3 min read

Jun 17

Ruby Reactor Now Has Middlewares and OpenTelemetry — Here's Why That Matters

#ruby #observability #opentelemetry #sidekiq

3 min read

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