RubyFlow

We spend so much time chasing the big topics that we often overlook the things we use

Tue, 09 Jun 2026 01:54:41 +0000

https://rubystacknews.com/2026/06/08/the-shared-echo-understanding-ruby-on-rails-request-response-cycle/

How to Leverage PurgeCSS in Your Rails App for Faster Stylesheets

Mon, 08 Jun 2026 20:36:16 +0000

It’s common for Rails applications to serve massive CSS files filled with unused Bootstrap, Tailwind, or custom utility classes as projects grow.

AI Document assistant

Mon, 08 Jun 2026 15:10:00 +0000

AI Document Assistants https://flexfiles.io/en/ai-document-assistant are transforming the way we handle information. By automating repetitive tasks and providing intelligent insights, they make document management more efficient and less time-consuming.

Polling for New Records

Mon, 08 Jun 2026 12:22:44 +0000

Websockets are great, but they are not always the right approach. In this episode, we will look at implementing a long polling for new records. https://www.driftingruby.com/episodes/polling-for-new-records

Fewer understand why prepend changes everything.

Mon, 08 Jun 2026 02:30:03 +0000

Most Ruby developers know include. https://rubystacknews.com/2026/06/07/rubys-ancestor-chain-why-prepend-cuts-the-line/

Beyond Mocked Payloads: End-to-End Stripe Webhook Testing

Sun, 07 Jun 2026 12:52:52 +0000

If you’ve ever wondered whether your Stripe webhook handler actually works end-to-end (not just with mocked payloads), this walks through using Stripe Test Clocks and the Stripe CLI to simulate the full payment failure retry sequence locally, including a race condition that only showed up this way https://danielabaron.me/blog/stripe-test-clocks-payment-webhooks/

HexaPDF 1.9.0 released, with support for HarfBuzz based text shaping

Sun, 07 Jun 2026 12:51:51 +0000

The latest release 1.9.0 of HexaPDF supports HarfBuzz based text shaping. Now complex scripts are rendered correctly.

Sessions Are Not Server Memory

Sun, 07 Jun 2026 10:36:54 +0000

Rails makes session[:user_id] = 42 feel like a hash write, but CookieStore serializes and encrypts session data into a browser cookie. This article traces that pipeline, the 4KB cookie limit, and why sessions should carry identity instead of application state.

Rails GuardDog: Advanced Security Scanner for Rails

Sat, 06 Jun 2026 09:25:07 +0000

Rails GuardDog is a new open-source security scanner for Rails that goes beyond tools like Brakeman.

RubyConf has joined RailsConf & RailsWorld as an exclusive discriminatory conference

Fri, 05 Jun 2026 23:08:44 +0000

RubyConf has joined RailsConf & RailsWorld as another exclusive discriminatory unexcellent conference. https://andymaleh.blogspot.com/2026/06/rubyconf-has-joined-railsconfrailsworld.html

Every engineering team has a translator. I wrote the thing that translates

Fri, 05 Jun 2026 14:25:34 +0000

https://ezlogs.hashnode.dev/every-engineering-team-has-a-translator-i-wrote-the-thing-that-translates

I gave a generic LLM access to Ruby documentation through RAG.

Fri, 05 Jun 2026 02:40:32 +0000

https://rubystacknews.com/2026/06/04/turning-a-generic-llm-into-a-ruby-expert-what-rag-fixed-and-what-it-didnt/

Meet Mata: live reload for Rack Apps

Thu, 04 Jun 2026 09:44:45 +0000

https://railsdesigner.com/meet-mata/ and ⭐ https://github.com/Rails-Designer/mata Lightweight live reload for Rack apps (using SSE and idiomorph).

LLM Cost Tracker 0.12 — self-hosted LLM spend tracking for Rails

Thu, 04 Jun 2026 08:30:32 +0000

💎 https://rubygems.org/gems/llm_cost_tracker 📝 https://github.com/sergey-homenko/llm_cost_tracker

RubyGems 4.0.13 and Bundler 4.0.13 are out.

Thu, 04 Jun 2026 02:53:43 +0000

https://rubystacknews.com/2026/06/03/rubygems-4-0-13-and-bundler-4-0-13-released-with-new-supply-chain-security-protections/

Slides for RubyConf.AT 2026 Talk "Frontend Ruby on Rails with Glimmer DSL for Web"

Wed, 03 Jun 2026 19:21:30 +0000

My talk “Frontend Ruby on Rails with Glimmer DSL for Web” went well at RubyConf Austria 2026. Especially given that after the talk, Chad Fowler (the starter of RubyConf and famous book author of The Passionate Programmer, among other books) told me “good job”, and Obie Fernandez (a famous Ruby expert and book author of The Rails Way, among other books) told me he will try Glimmer DSL for Web because he doesn’t like React.js. https://andymaleh.blogspot.com/2026/06/rubyconf-austria-2026-frontend-ruby-on.html

From Coder to Architect: How to Learn Rails When AI Writes the Code

Wed, 03 Jun 2026 18:14:36 +0000

I recently realized that the way I learned Ruby on Rails ten years ago is now completely obsolete….

Get Sidekiq and Faktory support in the Ruby Users Forum

Wed, 03 Jun 2026 14:25:03 +0000

https://www.rubyforum.org/t/get-sidekiq-and-faktory-support-in-the-ruby-users-forum

Composition: Building with Parts

Wed, 03 Jun 2026 14:21:26 +0000

Building complex objects in Ruby with composition and modules as roles, and knowing when each one beats inheritance for your design.

How to Choose a Gem Wisely

Wed, 03 Jun 2026 13:07:47 +0000

Imagine this scenario: a developer added a pub/sub gem built on top of Sidekiq to handle background event broadcasting in your company’s Rails app. At the time, it was a huge win: instead of building a custom job orchestration system, they could drop in the gem, wire up a few events, and ship a feature in days instead of weeks.

http_decoy — a real Rack server that runs inside your RSpec tests

Wed, 03 Jun 2026 06:17:26 +0000

Spin up a real WEBrick server in your test suite with a clean DSL. Define routes, validate request contracts, simulate failure scenarios, and tear down automatically. No VCR cassettes. No scattered WebMock stubs. Works with WebMock out of the box.

Turning a generic LLM into a Ruby-LibGD expert, one correction at a time.

Wed, 03 Jun 2026 02:54:57 +0000

https://rubystacknews.com/2026/06/02/turning-a-generic-llm-into-a-ruby-libgd-expert-one-correction-at-a-time/

Build a SaaS App in Rails 8 is content complete

Tue, 02 Jun 2026 22:15:58 +0000

The book is content complete and is going through the process of making sure all the code samples, code ordering, etc is correct…along with some more grammer/editing. Check it out at: https://buildasaasappinrails.com/

Stop Using JS for Everything: Harnessing the Power of Pure CSS in 2026

Tue, 02 Jun 2026 18:14:36 +0000

I remember when building a simple dropdown menu or a sticky header required a library like jQuery….

When your code speaks Rails instead of the domain

Tue, 02 Jun 2026 11:47:23 +0000

https://paweldabrowski.com/farewell-to-rails-way/when-your-code-speaks-rails-instead-of-the-domain