Ruby On Rails

Tutorials

Delegating methods in Ruby with Forwardable

Delegating methods in Ruby with Forwardable Are you working in a Ruby project and need to delegate methods but you don't want to add a new gem just to do that? The Forwardable module is your.

Rails And Conditional Validations In Models

Rails And Conditional Validations In Models Karol Galanciak - Ruby on Rails and Ember.js consultant, building ambitious and high performant web applications.

Ruby's Powerful Method Arguments

Ruby's Powerful Method Arguments I got an email asking for my opinion about when to use keyword arguments. I thought I’d expand my answer into a full article about method arguments so everyone can benefit!.

Safely Migrating from Paperclip to Active Storage

Safely Migrating from Paperclip to Active Storage Active Storage was introduced into Rails version 5.2. It is a highly anticipated addition to handle integrations with asset management such as AWS S3.

RubyKaigi2018: Faster Apps No Memory Thrash

RubyKaigi2018: Faster Apps No Memory Thrash Your program creates objects. The objects use Slots and heap memory.

Creating Ruby objects with Hashes

Creating Ruby objects with Hashes Reading through Sandi Metz’s book Practical Object-Oritented Design in Ruby (POODR), I found myself yet again hit with several epiphanies on best practices of how to do things the Sandi Metz way.

Custom Ruby Class Macros with Class Instance Variables

Custom Ruby Class Macros with Class Instance Variables If I had to name the most underused tool in most Rails developer's toolboxes, `rails console --sandbox` would be my choice.

Making Tests Go Faster

Making Tests Go Faster At Culture Amp, we have a large Rails app that we’ve been building since 2011. This app has about 150k LOC and an extensive test suite that uses Rubocop, RSpec, Capybara, Cucumber and FactoryBot.

Ruby's external malloc problem

Ruby's external malloc problem In this post I would like to cover a severe, extremely hard to debug vector for memory bloat in Ruby which can be triggered by the PG gem.

Arel with Wharel

Arel with Wharel Wharel is a tiny little gem that uses the empty room pattern to make Arel queries easier to build.

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