Custom "cops" for RuboCop: an emergency service for your Ruby code

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Jun 30 2021

Custom "cops" for RuboCop: an emergency service for your Ruby code

What is Ruby doing on Rails?

Hello, you're reading Infinum Ruby Drops, bringing you the latest Ruby and Rails related news straight to your inbox every week.

Custom "cops" for RuboCop: an emergency service for your Ruby code

Learn to write custom rules for RuboCop, test them, and extract into a gem for reuse.

Rails

Multiple databases in a single query in your Rails apps

Foreign Data Wrappers is a fantastic feature of PostgreSQL that allows you to query against external data sources.

Bootsnap and Spring, Understanding rails boottime optimisations

High level overview about how bootsnap and spring work.

Ruby

Back to Basics: Boolean Expressions

Write Boolean expressions using operators instead of if/else for a more readable outcome.

WebAssembly and advanced regular expressions with Opal

Let's dive into how we ported the original Ruby Regexp engine to the browser!

Blast from the past

On Pair Programming

A guide to effective pair-programming.

Beyond Ruby

What is simplicity in programming and why does it matter?

When I started with Clojure, I saw a language. Some people, when they look at it, they only see a weird syntax. It took me years to realize that in truth Clojure is a philosophy. The language embodies it, the ecosystem embraces it and grows from it, you the developer eventually soak it up.