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It Looks Like Ruby, But It’s Not: How to Understand Elixir
If you write Ruby, you will eventually get curious about Elixir. The creator of Elixir, José Valim,… [more inside]
Pundit vs CanCanCan vs Action Policy: Which Rails Auth Gem Wins?
Sometimes I find myself starting a new Rails project, and almost immediately, I hit a wall: User… [more inside]
Ruby Memes 2026-04-14
“Oh Ruby, you’re the most elegant and beautiful language ever! I just love you so much…” https://andymaleh.blogspot.com/2026/04/ruby-memes-2026-04-14-ruby-hypocrite.html
A different kind of tired
Earlier this year I was freaked out about AI. I’ve spent the months since using it constantly, on every project, at every stage. I expected to feel replaced, or at least unsettled. Instead, something underneath the work shifted. [more inside]
Ruby Users Forum ❤️ Open Source
We’re collaborating with Open Source maintainers to bring their project discussions to the forum. [more inside]
Singleton Pattern
Learn how to implement the Singleton pattern in Ruby: built-in module, manual approach, thread safety, the class variable trap, and dependency injection. [more inside]
Wise Testing: What to Test (and Ignore) as a Solo Rails Developer
Solo founders fail for a completely preventable reason. It’s not because their idea was bad, and it’s… [more inside]
Remembering Piotr "chastell" Szotkowski
More than 8 months later, I finally managed to put some thoughts about the passing of my dear friend Piotr into a post: Remembering Piotr “chastell” Szotkowski>
Stop AI Spaghetti: Enforcing Rails Architecture in 2026
We are fully in the era of autonomous coding. If you use tools like Cursor, Windsurf, or Copilot… [more inside]
How to Fix N+1 Queries in Rails Like a Pro
There are Rails applications that run incredibly fast on a developer’s laptop, but the moment they… [more inside]
Introducing ractor_queue: A Shared Queue for Ruby Ractors
This post introduces ractor_queue v0.1.0, a bounded, lock-free, Multi-Producer Multi-Consumer (MPMC) queue that is always Ractor.shareable?. It is the missing primitive for building Ractor-based pipelines, worker pools, and concurrent data processing in Ruby. [more inside]
llm.rb v4.13.0 released
llm.rb is a runtime for building AI systems that integrate directly with your application. It is not just an API wrapper. It provides a unified execution model for providers, tools, MCP servers, streaming, schemas, files, and state. See the CHANGELOG this release.
Building a World-Class Search Engine in Rails with Searchkick
Stop Using SQL LIKE: A Step-by-Step Guide to Elasticsearch in Rails When you build a… [more inside]
Mastering Regular Expressions in Ruby
Regular expressions (regex) are powerful tools for pattern matching and text manipulation https://www.railscarma.com/blog/ruby-regex-match-guide-with-examples/
re2 2.27.0: concurrent matching without the GVL
A new version of the Ruby bindings to RE2, a “fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python” is now out and releases the Ruby Global VM Lock when performing matches. [more inside]
The Easiest Way to Add Drag and Drop to Your Rails App
Building Drag and Drop in Rails 8 with SortableJS and Importmaps Very often I find myself… [more inside]
llm.rb v4.12.0 released
llm.rb v4.12.0 has been released. Check the CHANGELOG for details.
AdonisJS vs Ruby on Rails: Which MVC Framework Wins?
Very often I see JavaScript developers getting tired of building backend APIs with Express.js…. [more inside]