Rails 6 adds rails db:system:change command

Rails 6.1 introduces class_names helper

Exploring Big-O Notation With Ruby

New article on our blog: You know Big-O is important - not only for acing your next job interview but for knowing how code works at scale. But have you ever taken the time to go beyond a superficial understanding of the subject? In this article, Julie Kent uses equal parts math and Ruby to reveal the beating heart of Big-O and show us how it ticks.

Handling Ruby 2.7 deprecations warnings

In Ruby 3.0, positional arguments and keyword arguments will be separated. For now ruby 2.7 brings deprecations warnings that notifies us that our code should be updated. How should we handle them? Read the post

pluto-news gem - newsreader for easy (re)use - build your own newsfeed in 5 minutes

Hello, I’ve put together a new News module that offers easy to (re)use “porcelain” helpers / methods that hide the “plumbing” of the pluto machinery for building your own newsreader or newsfeeds in minutes in two easy steps, that is, News.subscribe and News.update. Happy planet. Cheers. Prost.

Working with temporary files in Ruby

⏰ Tempfiles versus Files 🗑 Tempfiles and Ruby’s garbage collector 🤪 Tempfiles quirks (and how to embrace ‘em) Read more

How to Deal with 1,000 Failing Specs in a Rails App

Are you staring down the face of a Rails app with a multitude of failing specs? Here are some strategies to chip away at failing specs during an upgrade – and keep your sanity in the process. Read the post.

[Podcast] Interview with Mike Perham from Sidekiq

This week on the Maintainable podcast, Robby Russell speaks with Mike Perham, Founder and CEO at Contribsys and author of Sidekiq and Faktory. They discuss the pros and cons of using external dependencies, how Mike built a business off of his open source project, Sidekiq, and the dIfference in maintaining Ruby vs Go software projects. Read more

Rails 6.1 adds support for multiple storage services to Active Storage

[Screencast] Emojis from Scratch

In this episode, we look at attaching emojis to our comments model, allowing them to fill in some emotional cues. https://www.driftingruby.com/episodes/emojis-from-scratch

Rails adds ActiveRecord::Relation#annotate for adding SQL comments to ActiveRecord::R

Improve your logs quality by connecting application logs to the database logs using t

Error handling with Monads in Ruby

Many modern languages, including Ruby, use Exceptions as the primary method of error handling. Read more

Rails 6 with Bootstrap (Webpacker for JS, Asset Pipeline for CSS)

For this article, I’m going to try Bootstrap’s integration with Rails with the asset pipeline for the CSS and webpack for the JavaScript. Bonus tips: How to optimize the import size and customize your Bootstrap without hardcoding the changes Read more

tty-exit: terminal exit codes for humans and machines

The tty-exit is here to provide human friendly and standard way to use exit status codes in command-line applications. Instead of saying exit(64), you can say exit_with(:usage_error). It is so much nicer! Wouldn’t you agree? That’s why tty-exit gathers a list of all the most common exit codes as used by POSIX-compliant tools on different Unix systems for you to use. Enjoy!

Useful configs and aliases for git and local development environments

All the different ways to set attributes with Active Record on Rails 6

I put together a handy guide comparing all the different ways you can set attributes on an Active Record object in Rails 6. At a glance the cheat sheet shows you which methods save to the database, run validations, run callbacks, update timestamps, etc.

Open Dota API Ruby

Gem is now extended with Players Endpoint -

Let’s write ruby unit tests that is influenced by environment variables

Let Us Support Health Check Endpoint for All Services Using Rack Middleware

A guide to NPM version constraints for Rubyists

Now that more Rails projects use NPM to manage JavaScript dependencies, I thought it would be useful to provide a reference guide to NPM version constraints in comparison with similar conventions used to specify Ruby dependencies in a Gemfile.

SimpleCov v0.18 released with support for branch coverage

At long last SimpleCov has received a major update with support for the branch coverage added to the Coverage standard library module introduced in Ruby 2.5

Why Is It Important to Upgrade Your Rails Application?

User friendly servers list in New Relic

Ruby on Rails project RuboCop setup with RSpec

RuboCop is the most popular Ruby static code analyzer and code formatting, code linter in short. Linting is the process of running a program that analyzes the code for programmatic and stylistic errors. Read more