Issue 513 - GitHub now running Ruby 2.7 in production (22)

ROTP: The Ruby One Time Password Library — Generate and validate one time passwords (HOTP and TOTP) according to RFC 4226 and RFC 6238.

▶  Discussing Rails Deployment using Docker and Kubernetes with Cameron Dutro — Covering deploying Rails applications using Docker and Kubernetes and Cameron’s Kuby Kubernetes deployment tool.

Path Tracer: Accelerated Path Tracing in Pure Ruby — I remember when POV-Ray was the cutting edge of ray tracing in DOS and it took days to render anything decent.. now Ruby can produce similar output in a few minutes. It requires a little work to get this running (you need to supply a env1.jpg file that it can use as a texture) but...

Ancestry: Organize An Active Record Model Into a Tree Structure — If you’ve got hierarchical or tree-like data to represent in Active Record, this is for you.

Noticed: Notifications for Rails Apps — Supports database, email, Action Cable, Twilio, Slack, and custom delivery methods. There’s a 12 minute screencast showing it off too.

Types in Ruby 3, RBS, and Sorbet — If you missed last week’s issue and the piece on RBS and typing in Ruby 3.0 it might be worth catching up, but this goes a step further in explaining how it relates to Sorbet, an existing and popular type checker for Ruby.

The Active Job Style Guide — A list of best practices for working with background jobs in Ruby using Active Job with Sidekiq as the backend.

Prawn 2.3.0: The PDF Writing Library for Ruby — There hasn’t been a release in over three years, so this is newsworthy. 2.3 also adds OTF font support and supports up to Ruby 2.7.

TrueCoach Is Hiring a Senior Backend Engineer — TrueCoach, the leading platform for online personal training and coaching, is hiring an experienced Ruby/Rails engineer.

How to Test Ruby Code That Depends on External APIs — Few things are more frustrating than slow, flaky test suites. There are a few ways to make things more robust, like stubbing, mocking servers, VCR.. and José looks at a couple of options here.

A Visual Guide to Webpacker — Navigate the world of Webpacker and webpack on Rails with increased confidence using this collection of mental maps/diagrams.

Troubleshooting Encoding Errors in Ruby — From the Honeybadger Developer Blog featuring tutorials & good advice by the coolest error monitoring solution around. 😎

Idiosyncratic Ruby: Assignments In-Style — Also called “pattern assignment”, 2.7 introduces a way to assign variables using pattern matching.

How to Improve ActiveRecord Performance with Subquery Caching — It’s a bit of a process: Analyze slow queries, isolate subqueries into memoized methods, cache one or more of the subqueries. Oh, and refresh the cache when necessary.

A Rubyist's Look at the Apple Silicon Developer Transition Kit — A peek behind the curtain surrounding Apple’s forthcoming move from x86 to its own ARM-based silicon and how it will affect Rubyists in particular.

Brakeman: A Security Vulnerability Scanner for Rails Apps — A long standing project we haven’t mentioned in a couple of years, but it continues to get updates and now supports Rails 6. It statically analyzes your Rails project’s code for security issues.

Troubleshoot Ruby App Errors and Latency with Datadog APM — Trace requests across service boundaries and optimize bottlenecks by drilling into individual traces end-to-end.

Enhanced Shell Scripting with Ruby — A set of tips that will start you on the path of adding Ruby to your shell scripting toolbox.

Chartkick: Beautiful JavaScript Charts in One Line of Ruby — See some examples, along with code, here.

Find A Job Through Vettery — Vettery specializes in dev roles and is completely free for job seekers.