#501 — May 14, 2020 |
💬 Have we got an interview with the host of the Ruby on Rails Podcast? We sure do. At the bottom of the issue :-) |
Ruby Weekly |
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The Practical Effects of the GVL on Scaling in Ruby — A meaty post on concurrency, parallelism, GIL vs GVL, and the proposed Ractor actor-based model for Ruby 3. Our favorite takeaway is there is always a lock, it’s just a matter of where it’s implemented. Nate Berkopec |
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Matz Wants To Know About 2.7/3.0 Keyword Argument Pain Points — Apparently the Rails core team have raised concerns over the keyword argument changes occurring in Ruby and Matz says that as part of this, Ruby 3.0 will not have real keyword arguments. Now he wants some advice on how to proceed. Yukihiro 'Matz' Matsumoto |
Modern Redis Features from RedisGreen — Online upgrades to the latest Redis 6.0 features, memory mapping, key size tracking, and more. RedisGreen sponsor |
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A May of WTFs: What Makes You WTF About Rails? — If you’ve ever filed a bug report to the Rails project, you know there’s a bit of a process before something actually gets fixed.. but you’re not complaining for no reason, right? This May, the Rails team wants to tackle more “WTF” moments you’re all having with Rails 6 and wants you to report them here in as much (or as little) detail as you wish. David Heinemeier Hansson |
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TruffleRuby Now Passes All RubyGems Tests — Not only is this an important step forward for TruffleRuby (a GraalVM based Ruby implementation) itself, but it’s actually only the second Ruby implementation to pull off the feat (JRuby only skips a handful though). RubyGems |
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Why Does Rails 6 Include Both Webpacker and Sprockets? — A new Rails 6 application will install both Webpacker and Sprockets by default even though they solve the same problem. This post digs into why and why you might choose one over the other. Ross Kaffenberger |
💻 Jobs |
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Find a Job Through Vettery — Vettery specializes in tech roles and is completely free for job seekers. Create a profile to get started. Vettery |
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Ruby on Rails Developer (Remote) — Work with modern languages and frameworks alongside some of the best developers in the world. FullStack Labs |
ℹ️ Interested in running a job listing in Ruby Weekly? There's more info here.
📘 Articles & Tutorials |
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Neural Networks in Ruby: A Not-So-Scary Introduction — Building a neural network isn’t quite like building a human brain, but it’s the closest you can get in twenty minutes(!) :-) Julie Kent |
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An Animation of the SHA-256 Hash Function in Your Terminal — The animation is cool, but the step-by-step explanation of how SHA-256 works is even better, IMO. You’ll learn something here. Greg Walker |
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Rails 6 System Tests, From Top to Bottom — System tests are relatively new and comprised of several layers that Avdi dutifully breaks down here. Avdi Grimm |
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Rails on Heroku? Rails Autoscale Was Made for You — Autoscaling is about maximizing performance, minimizing cost, and staying out of your way. Try it and don't look back. Rails Autoscale sponsor |
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Correct Ruby Threads and ActiveRecord Connections — Ruby thread math can be fun! Josh Beckman |
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Run Rails 6 System Tests in Docker Using a Host Browser Avdi Grimm |
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▶ Implementing an Infinite Scroll in Rails with Stimulus.js — Go Rails always puts out great tutorials but take care over whether you need infinite scroll in an app, it can sometimes be an undesirable user experience. Go Rails |
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Upgrading a Trivial Rails App from Ruby 2.3 to 2.7 and from Rails 4.2 to 6.0 — Not a job any of us would envy but someone’s gotta do it. The take away tip is to take baby steps and upgrading through both Rails 5.0 and 5.1 is a good idea to expose deprecations. Andrzej Krzywda |
🛠 Code and Tools |
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Limit Everything: Timeouts for Shell Commands in Ruby — A quick introduction to posix-spawn, a library designed to take advantage of faster process spawning interfaces (where available) that also supports timeouts! John Nunemaker |
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Pry Remote: Connect to Pry Remotely — Rediscovered by Scott Watermasysk here, this library provides a way to start Pry remotely and to connect to it using DRb for a remote debugging experience. It hasn’t had an update in years but I just tried it out and it seems to work. Mon Ouie |
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Need a New Relic Alternative? Try Raygun for a Fraction of the Price Raygun sponsor |
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render_async 2.1.6 Released — A detailed dive into all the new changes inside the 2.1.6 version of the asynchronous partial rendering library for Rails. Nikola Đuza |
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jquery-rails 4.4: A Gem to Automate using jQuery with Rails — Upgrades jQuery to 3.5.1 and tested against latest Ruby versions. And if anyone tells you no-one uses jQuery anymore, it’s lies, we tell ya, all lies! 😄 Rails Team |
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