Bookmarks (1486)

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.

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

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.

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 it does work.

▶  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.

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.

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.

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

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

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

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.

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

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.

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.

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.

To ERB and Beyond: What’s New in Bridgetown 0.16 “Crystal Springs” — Bridgetown, a Ruby static site generator, has added plugins for Haml and Slim, which you can use with their Liquid templates for great good.

The State of Ruby 3 Typing: Introducing RBS — Back in May we mentioned RBS, a language being used for type signatures in Ruby programs, but this is a much more accessible introduction to the concepts around it. RBS and the tooling around it will ship with the eventual Ruby 3.

RubyMine 2020.2 Released — RubyMine is a commercial Ruby IDE but popular enough for a release to be noteworthy :-) There’s a new UI feature for tracking and listing issues within a file of code, support for the Liquid template language, and full GitHub pull request support.

CI/CD with Docker and Kubernetes eBook by Semaphore — Download the free eBook and learn how to deliver cloud-native applications at high velocity.

Senior Rails Developer (Remote/Flexible) — YourGrocer delivers fresh food from local independent shops, and we're looking for an experienced developer to join our growing team.

To bundle exec or Not? That Is the Question — If you’ve ever impulsively used bundle exec without thinking about it and then wondered if you really need to, this explanation may help.

Be Cautious with Coercion Methods — A quick look at Ruby’s built in coercion methods (all those mostly starting with to_...) and some caveats that come with their usage.

How I Write Tests for My Rails (API) Apps — “My strategy of writing tests for Rails applications. Integration tests over unit tests. No to 100% test coverage.”

Some SQL Tricks of an Application DBA — A neat article with a variety of non-trivial tips for database development. If you ever touch SQL, you should find something useful here or at least enjoy the exploration.

A Silly Thing You Can Do with the Ruby Parser — ‘Silly’ is like catnip to me. The trick here is defining a class in a rescue clause. You probably don’t want to, but.. you can 🤷‍♂️

RSpec Queue: Optimally Distribute and Run RSpec Suites Among Parallel Workers — Speed up those CI builds by running your RSpec suites across workers in parallel, all controlled by a centralized queue.

ImageInfo: Finds The Size and Type of Images from the Web — We first linked this 5 years ago but it’s just had an update. It tries to find out image size info for images over HTTP by fetching as little of the file as possible.

Torch.rb: Deep Learning for Ruby — A way to use Torch, an open source machine learning framework, more commonly associated with Python.

Announcing the 2021 Fukuoka Ruby Award — Each year, the government of Fukuoka, Japan, collaborates with Matz (the creator of Ruby!) to offer an award to an interesting Ruby program or system developed or updated over the past year – the award will make you a millionaire, too, in Japanese Yen at least 😄 Matz will be reviewing the entries so be sure to pick something especially good.

GitLab on Its Migration from Unicorn to Puma — While GitLab is running at a pretty large scale, these two application servers are widely used throughout the Ruby community, so it’s interesting to see what conclusions GitLab came to.

Egis: A Handy Ruby Interface for AWS Athena — AWS Athena allows the querying of S3 using standard SQL.

Versionaire: An Immutable, Thread-Safe, Semantic Version Type — If you’re working with version numbers, this class provides a lot of neat abstractions (for comparisons, type conversions, equality, etc.)

TTY::Prompt 0.22.0: Powerful Interactive Command Line Prompts — This has been out for some time, but the latest release packs in a variety of new features if you need to prompt users for input at the command line.. and we haven’t linked it in 3 years(!) 😬

Comparing Version Numbers in Ruby — Comparing the version strings is a no-go, so how to be sure that your version-dependent code is evaluated properly? I bet you haven’t thought of all the gotchas…

Rails 6.1 Allows Enums Attributes to Configure a Default Value — No more migration required when you want to change the default.

▶  Don't @ Me! Instance Variable Performance in Ruby — A fairly detailed talk about the internals of the Ruby interpreter. Covering compilation processes, inline method caches, as well as the data structures and algorithms used for dealing with instance variables.

Cable Ready: For Those Who Like Action Cable But Hate Writing JavaScript — Another Cable Ready tutorial which, really, we can’t get enough of yet.

Making RSpec Tests More Robust — A walk through a situation where a test can become brittle and how to resolve it.

Why Doesn't Webpacker Use My Test Config When I Run Rails Tests? — “Here’s something you might not expect: when running Rails tests, Webpacker will load the development webpack config instead of the test config by default.”

An Introduction to Stimulus.js — Released by Basecamp and (we’re guessing) used in the new HEY email service, Stimulus is a very light library to add behavior to your HTML elements.

GoodJob: A New Postgres-Based, Multithreaded, ActiveJob Backend for Rails — Ben calls GoodJob a “second-generation” backend because it focuses on compatibility with ActiveJob. It’s suited for use cases queuing fewer than 1 million jobs/day.

Adding Method Overloading to Ruby — I’m featuring this not because I think it’s a great technique to be using in production code, but because it demonstrates just how flexible Ruby is and what you can pull off with a little metaprogramming.

Mastering Roda, a Free Online E-book — Roda is a “routing tree web toolkit” which means routing and request handling are handled together. This book goes into all the detail, including the nice plugin framework.

Backend Engineer - Marketing Engineering (Rails, Python) (f/m/d), Berlin, Germany — Role with Impact. Exciting projects. Benefits + amazing Team. Building the world’s leading talent platform. Join the Heyvolution.