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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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Rémy Hannequin

Nov 10

SVG sky map with Ruby and Astronoby

#astronomy #ruby #tutorial #svg

66 min read

Serguey Asael Shinder

Nov 10

Your URL Check Passed the Second Line and the Browser Ran the First

#sergueyasaelshinder #security #regex #ruby

2 min read

Konstantin Gredeskoul

Nov 5

Home-made Evals Just Taste Better

#evals #ai #ruby #opensource

8 min read

Oleksandr Sainchuk

Nov 5

How we keep AI agent actions under server side control in rails

#backend #rails #ruby #security

9 min read

Nov 5

44 Rails advisories broke my CI on a PR that didn't touch a single gem

#ruby #rails #security #devops

4 min read

Fernando Paladini

Nov 4

Choose an ActiveAdmin Theme with a Reviewable Rails Checklist

#ruby #rails #tutorial #activeadmin

6 min read

Nov 4

Psych.safe_load restricts object classes, not the data shape

#ruby #yaml #deserialization

3 min read

TMGS Việt Nam

Nov 3

Alpine Linux incident shows why GitLab updates need Ruby verification

#security #cybersecurity #gitlab #ruby

2 min read

Yashika Vijayvargiya

Nov 3

Rate Limiting in Rails 8.1: Protect Your APIs Without Rack::Attack

#rails #programming #ratelimiting #ruby

6 min read

Nov 1

A Rails controller I keep copying between side projects

#rails #ruby #webdev

1 min read

constdrop

Nov 1

rspec-wasm v0.2.0: Testing Ruby Code That Integrates with JavaScript and WebAssembly

#ruby #webassembly #javascript #testing

6 min read

Nov 5

GitLab's regex problem: one max-severity bug is exploited and another is waiting

#gitlab #devops #security #ruby

5 min read

UnAIMyText

Oct 31

Humanize Groq API Output in Ruby: A Stdlib-Only Checker for Em Dashes, Question Leads and Exclamations + 5 Free Tools (2026)

#ruby #ai #groq #writing

8 min read

Damiano

Oct 30

GitLab Was Patched, the Server Was Still Vulnerable: CVE-2026-97229 Lives in Ruby

#security #devops #gitlab #ruby

5 min read

Kaziu

Oct 30

もうActiveJob - Job,Que,Adaptorもレストランに例えますかーー

#rails #ruby

1 min read

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