Introduction Ruby’s dynamic nature is both its advantage and disadvantage. Being able to reopen system classes during runtime, while useful, can also lead to unexpected behaviors. This article presents one such case: how just requiring a gem can mess things…

Postgres has a nice feature where you can index only the values you want to query on. Today I learned that Rails has a nice shortcut for taking advantage of said feature.

Learn the practical uses of Ruby's method_missing. You can use the method_missing method to handle errors, delegate methods and build DSLs.

Rails 6.1 allows where clause queries to reference associations used in `join` or `includes` clause via alias names.

Learn about Logidze 1.0, a performant Ruby library that tracks Active Record changes using PostgreSQL triggers and JSONB stores.

Ruby Open Data Week 2021, March 6th to 12th - 7 Days of Ruby (Open Data) Gems ++ Best of Ruby Gems Series

Leverage CircleCI parameterized builds to run a testing matrix

Moncef Belyamani writes guides to help you become a more confident coder.

Here are some best practices to deprecate Ruby application components with ActiveSupport.

Hotwire lets us broadcast changes so we can use the same approach for nested comments, but in realtime!

Run and test your code in multiple environments with minimal effort while keeping Docker Compose files under control with Dip. Examples for Ruby, Node.js, and Erlang.

With the release of Ruby 3.0, one of the most awaited feature was the release of Ractor. It is still in its experimental phase, but it shows quite big promise, especially with parallel execution of multiple Ractors (and code enclosed in it).

This is the fourth and also the last part of the Kafka For Rubyists mini course. If you are interested in other parts of the course, please check them out here.

Memoizing false & nil results requires more formality

mysql2 gem is a simple and fast Mysql library for Ruby. And, this tutorial shows how to use the prepared statements using mysql2 gem.

The `numericality` validation helper now accepts `in:` as an option for which the value must be a range.

I’ve been playing with Vitess at work, and I’ve been finding it extremely hard to Google for common issues and error messages from Vitess. While the official docs are improving, there’s a general lack of stack overflow -like tips for fixing silly errors.…

Refactor your Rails application without introducing big changes