Bookmarks (2335)

Benchmarking Your Ruby with time_up — time_up is a new benchmarking gem that makes creating multiple timers as easy as clicking a stopwatch. The gem also has some nice printing and display capabilities. Time to try it out…

Bridgetown 0.21.1: Ruby-Powered Static Site Generator — This release includes Webpack 5 support, moves from Babel to ESBuild and more.

MailCatcher: A Simple SMTP Server with a Web UI to See Mails — It’s eleven years old but has just hit version 0.8 :-) The idea here is you can send email to it and see how it looks.

activerecord-cte: Brings Common Table Expressions Support to ActiveRecord — Removes the need to drop to Arel or raw SQL while also providing an ActiveRecord::Relation result.

Tangram: An Automated Machine Learning Framework — It’s not solely for Ruby – indeed, it’s written in Rust – but you can train a model from a CSV file and then make ‘predictions’ from Ruby code. GitHub repo.

▶  Building with Just What You Need Using Roda with Jeremy Evans — Jeremy Evans, creator of Roda and author of Polished Ruby Programming, joins the Rogues to talk about how to use Roda to build Ruby web apps.

Picking The Worst Year to Pitch for Euruko — Matias tells us the epic saga of securing the Euroko conference for Helsinki, only to have the pandemic force a pivot to a first-time online event that turned out fine but taught lessons.

▶  Using VCR to Mock Your Requests — VCR is a very long standing Ruby tool for recording a test suite’s HTTP interactions so they can be replayed in a consistent, predictable manner in future. This eight-minute screencast is a tight introduction.

Validate CSV Input with ActiveModel::Validations — A look at how to improve the robustness of CSV file ingestion using ActiveModel::Validations.

Optimizing MemoWise Performance — We linked to MemoWise in issue 560. Here, Jacob and Jemma explain their ‘Benchmark Driven Development’ approach and what they learned.

How Release Uses Action Cable and Redux Toolkit — How Release moved to Redux and use it to update the build logs on their static site frontend using Action Cable.

Building a Documentation Workflow in Rails — Making documentation live with your code (known as ‘docs-as-code’) is a good practice to keep docs up to date. Kate Bartolo shows you how while also explaining how to make the docs usable.

Crystal 1.1 Released — Crystal isn’t Ruby, but it’s a statically type-checked and compiled language whose syntax is heavily inspired by Ruby and is of interest to many Rubyists as a Ruby-friendly way to write certain types of performance dependent code.

▶  Enjoy Some Talks from Euruko 2021 — We mentioned Matz’s keynote a few issues ago, but forgot to put the spotlight on some more of the talks given at the always excellent Euruko event - there are 18 sessions from 2 days, including things like building high-performance GraphQL APIs and using FFI to building a Ruby web app with just the Ruby standard libraries...

Try Scout’s New Error Monitoring Feature Add-On for Free — Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues in minutes. See for yourself why Scout is a Ruby developers’s best friend with a free 14-day trial, no credit card needed.

NHL Time on Ice Visualizations for the 2020-2021 Season — A fun visualization built after using Ruby to scrape the NHL data and bring it into a Neo4j database to visualize.

Adding Support for Cross-Cluster Associations to Rails 7 — Engineers at GitHub have been working on a new Rails feature coming in Rails 7.0: support for handling associations across database clusters. We also get to learn GitHub uses 30 databases (15 primaries and 15 replicas) with its Rails monolith.

A Comparison of Ruby Version Managers for macOS — You’ve likely heard of most of the managers here (RVM, rbenv, chruby, maybe asdf) but Frum (Rust-based) was new to us. Each manager is briefly explained here along with the author’s personal pick.

Refactoring Your Rails App with Service Objects — Even with the best intentions, Rails apps can become unwieldy over time with features added on here and there. Refactoring to using service objects can help break things up and improve maintainability going forward.

A Rubyist's Walk Along the C-side (Part 5): Variables — The latest outing in Peter Zhu’s series on writing Ruby extensions in C. This time he covers reading and writing to various types of variable and constant.

Tracking a Ruby Memory Leak in 2021 — Think you have a memory leak? Are you using the “better” allocator? Maybe it’s just bloat in one of your gem dependencies. Nope? Use some community tools to hunt it down and plug it.

Let's Read Eloquent Ruby: Chapter 1 — There’s so much knowledge and wisdom in books that I think the more readalongs like this the better.

Build a Static Site in Ruby with Bridgetown — Felipe creates a real static site with plugins for SEO, Turbo, Stimulus, and more. Also, I didn’t realize Bridgetown started as a branch from Jekyll.

Active Record Encryption — A deeper dive into the new AR encrypts functionality coming in Rails 7 where you’ll learn about deterministic vs non-deterministic encryption and the limitations of this new addition.

Gems, Plugins, Engines, and Mountable Engines: 4 Ways to Make a Gem — This is a quick guide whose most valuable info might be when to use each of the four options. I am not sure if I’ve ever seen this in one spot before.

Chartkick 4: Beautiful JavaScript Charts in One Line of Ruby — This has been around a long time and seems to get a major update each year. Support for the latest Ruby and Rails versions lands in 4.0. Here’s how to upgrade if you used previous versions. GitHub repo.

Gutentag: A Simple, Solid Tagging Extension for ActiveRecord — It seems to be the week for very old libraries getting updates. v2.6.0 adds support for querying for objects that match no tags.

Understanding Factory Bot Syntax by Coding Your Own Factory Bot — Recreating something is always a great way to learn (in programming, at least!) and Jason goes through the whole thing here using the delightful idea of ‘error driven development’ - ha!

Introducing MemoWise, A New Way to Memoize Methods — MemoWise is “the best way to memoize methods” as it takes care of nil and false values, methods with arguments, and instance variable/method confusion, applying the wisdom of the memoization ages.

Ruby 3.0.2 Released (plus 2.7.4 and 2.6.8) — It’s security release time. Net::FTP and Net::IMAP have some vulnerabilities that have been fixed. The 2.6.8 release also includes some other bug fixes and 2.7.4 is here.

Understanding How rbenv, RubyGems, and Bundler Work Together — The chain of tools we use every day to do our job mostly “just works”, but how? Subomi dives into each layer, from version manager to bundler, and explains the chain.

The Shortest Path to Get Set Up with Automated Accessibility Testing in Rails — If you’ve ever tried to automate accessibility testing, you know how clumsy it can be. This code repo/tutorial shows how easy it can be to get the basics automated quickly.

📅  Submit a Talk to the RubyConf 2021 CFP — Taking place in a hybrid online/offline form over November 8-10, RubyConf is keen to receive your talk proposals and they’ve provided quite a lot of detail here. The CFP closes on July 16 (so you’ve got just over a week).

Analyze Your Ruby Apps’ Performance in Real Time with Datadog APM — Drill into error traces with Datadog’s App Analytics to debug and optimize Ruby code by tracing requests across web servers, databases, and services in your environment. Track your apps’ performance with Datadog APM free.

The Hanami Architecture Explained — Hanami uses concepts like slices and Separation of Concerns to create a flexible application framework that extends beyond web apps.

Asynchronous Background Processing using AWS Lambda Extensions — AWS Lambda Extensions were created so Lambda authors could integrate with various monitoring tools, but LambdaPunch lets you use it in a more general way.

Neovim's Built-in LSP with Ruby and Rails — It’s not quite VSCode, but if you want to use LSP functionality in neovim, here you (mostly) go.

▶  Spearheading Static Site Generators with Ruby and Bridgetown — Jared White, the creator of the Bridgetown static site generator, discusses the origins and goals of the project.

Faraday 1.5: A Flexible HTTP Client Library — Where Faraday differs from many other HTTP client options is how it supports multiple backends and has a middleware concept for processing the request/response cycle. Basic usage in case you’ve not tried it before.

Fisk: A Pure Ruby x86-64 Assembler — An interesting project from tenderlove and a clever bit of work representing x86 assembly language via a mostly implicit Ruby DSL.

Heroku Database Connection Calculator — Optimizing your database pool configuration relies on quite a few variables (number of dynos, workers, processes, threads) so this guide does the math for you while also explaining each calculation.

Crunchy Bridge: Fully Managed Cloud Postgres — Crunchy Bridge users experience performance improvements, better developer workflow and seamless migration.

▶  Tracking Events with Ahoy — The Ahoy gem provides the capability to capture analytics, such as page visits, without sharing the data with any third parties.

GitHub Copilot: An AI 'Pair Programmer' — A project that GitHub has been working on in the background for some time with OpenAI. It’s a VS Code extension that uses machine learning to suggest useful code snippets as you type – it works really well with Ruby and I've had a lot of fun playing with it. I'll be sharing a post with how...

Amoeba: Easy Cloning of Active Record Objects (Including Associations) — An extremely old library but recently updated and boasting Rails 6 compatibility.

HTTP.rb 5: The Fast Ruby HTTP Client — My favorite Ruby HTTP library nowadays. The 5.0 release switched to the llhttp parser, improved modern Ruby support, added HTTP 1XX code response support, and more.

premailer-rails: CSS Styled Emails Without Hassle — Premailer is a drop-in-and-it-works gem that makes styling emails easy by applying CSS rules without you having to write all the styles inline. We use it as part of the Ruby Weekly production pipeline, but premailer-rails opens it up to Action Mailer too.