Running JRuby on the Graal JIT — Graal is the highly-optimized JVM extension that TruffleRuby runs upon, but it brings some impressive performance gains to JRuby too.

Charles Nutter

Ruby Memory Environment Variables: Simpler Than They Look? — So you want to tweak your Ruby memory settings? Here’s a post that tries to talk you out of it but relents by simplifying where to start.

Noah Gibbs

🔧 Fix Ruby Bugs Like a Boss — Reduce time wasted debugging. Automatically capture errors in Ruby apps. Rollbar detects when code breaks in real-time and provides full stack trace and diagnostic data to help you defeat Ruby errors. Learn more.

ROLLBAR sponsor

How Not to Structure Your Database-Backed Webapps — A breakdown of a paper that studies 12 of the most popular Rails apps looking for and fixing ORM issues.

Adrian Colyer

Ecommerce at Scale: Inside Shopify's Tech Stack — The infrastructure behind Rails’ most popular ecommerce-as-a-service provider. And yes, it’s still running on Rails.

Kir Shatrov

Covered: An Experimental Coverage Tool Using Ruby 2.6 Features — Uses 2.6’s experimental support for RubyVM::AST to parse the source for more complete coverage statistics.

Samuel Williams

Ruby Guru? Software Engineer at Bomae, Copenhagen — It's time for us to find a software engineer to join our Copenhagen office who can build a world class technology platform.

Bomae

Ruby on Rails Developer at X-Team (Remote) — We help our developers keep learning and growing every day. Unleash your potential. Work from anywhere. Join X-Team.

x-team

Find A Job Through Vettery — Vettery matches top tech talent with fast-growing companies. Create your profile to get started.

Vettery

Writing Testable API Documentation Using APIB and Dredd — An example of ‘documentation-driven development’ that uses tests generated from API documentation.

Piotr Szmielew

Ruby 2.6 Adds Syntax for Endless Ranges — Rather than define a range to infinity, you can now just go (0..)

Taha Husain

A Complete Guide to JSON Serialization in Rails — Comparing various JSON serialization gems and their performance.

Paweł Dąbrowski

Visualizing and Optimizing JS Bundle Size in Rails/Webpacker Apps

Jacek Galanciak

A Lightweight Process for Updating Dependencies That Actually Works

Depfu sponsor

Notes on Writing Service Objects — “A few tips about what I think service objects should look like.”

Paweł Świątkowski

Custom Exceptions in Ruby — It’s pretty simple to create exceptions that are informative to your users.

Robert Beekman

Escaping the SPA Rabbit Hole with Modern Rails

Jorge Manrubia

Rails 5.2 Added 'write_multi' Method to Cache Store — So you can set multiple entities in the cache at the same time.

Rohan Pujari

Interview with Bozhidar Batsov, Creator of RuboCop — RuboCop is a popular Ruby static code analyzer that can help enforce good practices in your code.

Sider Team

Sidekiq-ifying Emails at Reflektive — “switching from Delayed::Job to Sidekiq resulted in about a 4.5x improvement in throughput”

Julia Chou

Snibox: A Self-Hosted Code Snippets Manager — Built in Rails and has an attractive tag-oriented interface.

Snibox

Eps: Linear Regression for Ruby

Andrew Kane

Sym: A CLI and Ruby API to Encrypt and Decrypt Sensitive Data

Konstantin Gredeskoul

Manifold Is the Marketplace for Independent Developer Services — Manifold brings together the best cloud services from every category you need to power your application.

Manifold sponsor

WIP: Promote Webpacker to the Default JavaScript Compiler for Rails 6 — I think we can all say a collective “Yay!”

DHH

OpenProject: Open Source Project Management Software — A long standing project built on Rails.

OpenProject Foundation

cache_with_locale: Automatically Add Locale to Your Cache Keys

Igor Kasyanchuk