Case of fragile tests: testing something twice

Having one class use another class’s functionality happens a lot in object oriented programming. That’s called delegation and indeed this is how we make stuff work. Upon testing both classes it’s very easy to test some functionality twice which leads to fragile tests.

Ruby on Rails + MySQL Incorrect string value and key was too long errors

If you have issues in your Ruby on Rails application related to incorrect string values (even if you use UTF8), here’s a short tutorial on how to fix that using MySQL settings tuneup + Ruby on Rails migration

Rails 5 introduces country_zones helper method to ActiveSupport::TimeZone

A comprehensive guide to interacting with IMAP using Ruby

Create a multiplayer Tic Tac Toe game with Rails 5 and Action Cable

How to create a multiplayer Tic Tac Toe game (at least the Action Cable part) with demo and source code.

Rails will drop jQuery

ujs will be reimplemented in plain vanilla js

Rails 5 provides fragment caching in Action Mailer views

Organizing your Ruby On Rails models

Are you frustrated when you look at your models, and everything is all over the place? Get your team to use a uniform organizational style for all your Ruby on Rails models with this simple trick.

Flirting with Crystal, a Rubyist Perspective

I have just started playing around with the awesome Crystal Language. If you’re a Rubyist wanting some extra performance, you may find it here. Check out my review of the language

Thinking Sphinx one model index with two indices

In this short article I describe how to use Sphinx and Thinking Sphinx (v3) in a Ruby on Rails application to index the same ActiveRecord model with separate criterias using two indices.

3 pleasantly surprising PostgreSQL Indexing tricks

Greg Navis offers some low-hanging fruit Postgres indexing tips to get the most out of your ActiveRecord queries.

[Screencast] Production Deployment on Ubuntu

A guide to configure your Ubuntu installation and deploy a Ruby on Rails application. Lock down the settings to prevent unwanted access.

Trailblazer + Devise: Integrating Devise validatable model with Trailblazer operation

In this blog post I cover integrating Devise validatable model with Trailblazer approach. See how you can propagate your Devise model errors into Trailblazer based forms. Trailblazer + Devise: Integrating Devise validatable model with Trailblazer operation

Ruby (on Rails) ecosystem bittersweet or "we like to hate PHP"

I am trying to put some facts and personal experience to prove that PHP has healthier, more competitive and loosely-coupled ecosystem, than Ruby. I am talking about Performance, Syntax and Coding aspects, Community and Tools support. [more inside]

How to Escape

Escaping gsub’s back-ref enabled replacement strings can be hard sometimes. You have mastered double-quoted string escapes when you know which byte "\C-\M-A" refers to.

Currency Exchange Rates Gem

BankExchangeRubyAPI is the Ruby API client for the BankExchange service. It provides (historical) exchange rates from central banks from around the world for free.

Why is Rails Preferred among Start-ups?

Well, if you are a company looking to build an application with a fast deployment, Ruby on Rails is a great choice as it combines both speed and efficiency in one package. Check out why Rails is the first choice when it comes to start-ups.

How to run your Selenium tests in a docker environment with Rails and Capybara

Blog post here. [more inside]

Rails 5 adds OR support in Active Record

The most requested feature in Rails 5. [more inside]

Ruby Refinements

Refinements is a way to limit the scope of a monkey patched class. [more inside]

Using scopes with associations in Rails

Scopes in our models help to DRY up code. In this article, I explore how to use scopes that reference associations.

Add notes to you DB migrations

Have you ever been in a situation where you have to deploy some code and forgot what special things you had to execute manually afterwards? The gem activerecord-migration_notes helps you remember these things at the time you create them instead of searching through PR’s, mail, etc and delay the deploy

Ruby: recursion, stack size and tail call optimization

A Pragmatic Approach to Building Ruby/Rails Apps Quickly with Quality Code

Keep reading on

Using ES2015 with Asset Pipeline on Ruby on Rails

Want to know how to use the latest JavaScript version without messing up with Node.js, NPM, builders and all the complexity that comes with that? This article shows you how you can integrate Babel.js with Asset Pipeline.