Ruby On Rails

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Things you might not need in your tests

Things you might not need in your tests No one likes slow and brittle tests, in particular if you’re working a TDD workflow. Often, tests get that way because they’re doing too much. Consider avoiding the following: Using a database Database access imposes many costs on your tests. You...

Build Rails Apps with Components

Build Rails Apps with Components If you’ve ever worked on a Rails app, you’ve probably run into problems with the view layer turning into a mess as the app gets older or the team gets bigger. Rails attempts to tame this problem with solutions like strict locals, but I’ve found th...

Monitoring ActionCable | Stanko K.R.

Monitoring ActionCable | Stanko K.R. Usually, when a widespread problem like this occurs out of the blue, my first goal is to make the app mostly operational again and my second goal is to fix the cause of the problem. To do that I usually go over each component that could be causing...

Seven things I know after 25 years of development

Seven things I know after 25 years of development The most important thing about me is that I am Ukrainian who serve in the Armed Forces. Currently, I am not in a combat position but doing other things that I am better at (and the rest of my activities are happening besides these duties). I got ...

Stealthly Browsing and Scraping with Ferrum

Stealthly Browsing and Scraping with Ferrum I've been using Ferrum to do a lot of web-scraping lately (I'm building a link checker tool), and I wanted to share some tips and best-practices I've stumbled on developed. Ferrum is a headless browser driver, similar to Playwright and Puppeteer,...

Optimizing Ruby’s JSON, Part 7 | byroot’s blog

Optimizing Ruby’s JSON, Part 7 | byroot’s blog In the previous post, we started covering some parser optimizations. There’s just a handful more to cover until we reached what’s the state of the currently released version of ruby/json.No, the really expansive part is building the Ruby objects t...

Superglue 1.0: React ❤️ Rails. A new era of thoughtfulness

Superglue 1.0: React ❤️ Rails. A new era of thoughtfulness I’m thrilled to announce the release of Superglue 1.0. First announced a year ago, Superglue is a library designed to make building interactive Rails and React apps as productive as the classic Rails stack. In every client project we’ve used it on...

Lessons learned Migrating my SAAS to Rails 8

Lessons learned Migrating my SAAS to Rails 8 My side project Abot for Slack, has been around for ~7 years, i.e., since Rails 5.1. It’s now yielding passive income while running on an almost complete autopilot. But I’m still keeping its dependencies up-to-date. The recent migration to Rails 8...

Gem::SafeMarshal escape / nastystereo.com

Gem::SafeMarshal escape / nastystereo.com In September 2023, Ruby added Gem::SafeMarshal in an attempt to make deserialization while processing packaged library .gem files safer. I decided to learn how it works and take on the challenge of breaking it to execute arbitrary commands. # How...

What Is It (in Ruby 3.4)? - Kevin Murphy

What Is It (in Ruby 3.4)? - Kevin Murphy An explanation of the it block parameter introduced in Ruby 3.4The block we pass to map does not define a name for the parameter to represent the variable we’re manipulating in each iteration. Instead, Ruby knows it refers to that variable. Start...

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