Improving Ruby Concurrency

This week's Ruby news, issue 403

#403 — June 14, 2018 Read on the Web Ruby Weekly Ruby's External Malloc Problem — Discourse's Sam Saffron explores a "severe, extremely hard to debug vector for memory bloat in Ruby which can be triggered by the PG (Postgres) gem". Sam Saffron Improving Ruby Concurrency — Using Fibers and non-blocking operations, it's possible to dramatically increase concurrency in Ruby without the overhead of multi-threaded programming. Samuel Williams Productivity Meets Beauty—Learn Ruby Free for 10 Days — You can learn a lot in 10 days. Start a trial and get unlimited access to expert-led dev courses and more. Pluralsight sponsor Arel with Wharel: Virtual Rows for Active Record — Wharel is a 31-line gem adding syntactic sugar to ActiveRecord models using Arel, inspired by Sequel. Chris Salzberg From ActiveRecord to Diesel (and Rust) — Using new tools means learning new things, so Pat chose to use Rust and Diesel for a task that he could have easily done with ActiveRecord. Pat Shaughnessy Adding Automated Speech Recognition for Phone Calls to Rails — Your Rails app could easily become a voice assistant with machine learning tools. Daniel Phillips (Twilio) ▶  On Building Your Own RSpec: A Chat with Paweł Dąbrowski Ruby Rogues Why Crystal Is My Next Language — This one comes from a Python developer who's been flirting with Ruby but wants things like a single binary and better performance. Fotis Gimian 💻 Jobs Sr. Fullstack Engineer (Remote) — Sticker Mule is looking for passionate developers to join our remote team. Come help us become the Internet's best place to shop and work. Sticker Mule 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 Have You Tried Vettery? — Vettery matches top tech talent with fast-growing companies. Take a few minutes to join our platform. Vettery 📘 Tutorials How to Write a Bundler Plugin — Add commands, handlers, or event-based callbacks to Bundler. Samuel Giddins Quick Tips for a Practical Rubocop Workflow — Rubocop is a popular Ruby linting and code analysis tool. Luca Guidi How Drivy Uses Sidekiq Middleware — Drivvy needed to add some context data to their running jobs, so they used Sidekiq middleware, a carefully-managed "bad" practice, and some creativity. Drivy Engineering Webinar: Continuous Delivery with Docker, Kubernetes, and GoCD GoCD sponsor Simple Shortcuts to Get More Out of Bundler Aaron Sumner Using GraphQL with Rails Vito Botta Quick Tip: Use Beginnings and Ends of Strings in Regular Expressions — Be more secure with \A and \z when you really need to anchor to the start and end of strings. Andy Croll ▶  How to Migrate from Heroku to Hatchbox.io — Hatchbox is a (paid) tool that handles a lot of the ops around deploying Rails apps. GoRails 🔧 Code & Tools Host Git Repository Servers w/ DigitalOcean's One-Click GitLab App — Save up to 55 percent by deploying GitLab on DigitalOcean. Get started today in as little as a few minutes. DigitalOcean sponsor Sho: An Experimental 'Post-Framework' View Library — An experiment to provide a view layer that is 'just Ruby'. Victor Shepelev Passenger 5.3.2: A Security Fix Release Phusion Blog Sinatra 2.0.2 and 2.0.3 Released Kunpei Sakai Wallaby: A Rails Engine for Managing Data/Admin Interface — A customizable Rails engine that allows you to manage data. reInteractive

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