Ruby On Rails

Tutorials

RSpec fundamentals: a basic glossary

RSpec fundamentals: a basic glossary This post is part of a series about RSpec fundamentals. If you haven’t read the first part - how to setup RSpec and name files and, digging into their basic structure, go and read it, I’ll wait.Done? Let’s move on to our second installment!In this...

We upgrade your Ruby on Rails apps

We upgrade your Ruby on Rails apps The web moves quickly, especially when it comes to your Ruby on Rails app. You have a million-and-one things on your mind, and upgrades often take a back seat to bug fixes or new features.Unfortunately, putting off maintenance creates technical de...

Live previews with Rails and Stimulus 2

Live previews with Rails and Stimulus 2 Who wouldn’t want a live preview for writing their great content? If you happen to be running Rails with Hotwire, it’s surprisingly easy with a small Stimulus controller.Based on the feedback to this post (primarily thanks to edwinvlieg from HN), ...

Use to_sql to see what query ActiveRecord will generate

Use to_sql to see what query ActiveRecord will generate If you’re trying to write a tricky ActiveRecord query that includes joins, complex where clauses, or selecting specific values across tables, it can be hard to remember every part of the ActiveRecord DSL.Is it joins(:orders) or joins(:order)? Shou...

Quick and Dirty Tracking of Sidekiq Queue Latency in New Relic

Quick and Dirty Tracking of Sidekiq Queue Latency in New Relic In any queueing system, the most important metric is usually how long the average unit of work spends waiting in the queue to be serviced. Time spent in the queue is wasted time.

Sharing common code between Rails controllers with Scoped pattern

Sharing common code between Rails controllers with Scoped pattern This particular pattern comes from DHH and Basecamp – a codebase that prides itself of using lots of tiny concerns to share bits of behavior.While the savings of repeating the same before_actions to look up a Channel would be a fine benefit on it’...

Logging in Ruby with Logger and Lograge

Logging in Ruby with Logger and Lograge Logging is tricky. You want logs to include enough detail to be useful, but not so much that you're drowning in noise - or violating regulations like GDPR. In this article, Diogo Souza introduces us to Ruby's logging system and the LogRage gem. He...

Boring breadcrumbs for Rails

Boring breadcrumbs for Rails Breadcrumbs are a common UI pattern in most software applications. Rails has no built-in tools specifically for breadcrumbs, and while there are a handful of existing gems, I think this is something you can easily implement in your own app with ju...

Learn about Ractors and build a mini sidekiq

Learn about Ractors and build a mini sidekiq Ruby 3.0 introduced the Ractor class. This is Ruby's Actor-like concurrent abstraction, and its goal is to provide a parallel execution feature of Ruby without thread-safety concerns.According to wikipedia:The actor model in computer science is a ...

Recording real requests with WebMock | Arkency Blog

Recording real requests with WebMock | Arkency Blog Caveat: it’s global, i.e. it’ll apply to all the test cases you’ll run. If you want it for just one test case, run just a single one.(As far as I tried, there’s no easy way to cleanly make it per-example with an around hook, because that would mea...

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