A different take on validation using the dry-validation gem
If you are using Rails and you find yourself fighting validations more often than you would like to, then you should consider watching my talk …
Tag: ruby
An Introduction to Event Sourcing for Rubyists
Event sourcing is a design pattern to build applications that are domain centric and easy to extend. The pattern is based on the usage of …
To raise or not to raise exceptions, and the art of designing return values
Each time we call a function that’s meant to perform some operation that could succeed or fail we are always left with the same dilemma. …
Introducing Hash#dig_and_collect, a useful extension to the Ruby Hash#dig method
In this blog post I will introduce Hash#dig_and_collect , a simple utility method that is built on top of Hash#dig to help you navigate nested hashes mixed …
Dockerized Rails Capybara tests on top of Selenium
If you use Docker to deploy your Rails application you may want to use the same infrastructure to run your tests. However the setup of your Selenium …
How to isolate complex queries in an object oriented fashion
Building complex queries in ruby can make your code quite difficult to read, manage and reuse. In this blog post I’ll present a simple method to …
Upload video files with progress bar using Rails, Paperclip and Javascript
Rails does not help much when dealing with AJAX uploads by means of external JS libraries. I recently came across a case where a user …
Understanding the Resque internals – Resque::DirtyExit unveiled
If your Resque jobs fail because of a mysterious Resque::DirtyExit a quick tour of the Resque internals will help you fix the issue and be back up …
Bringing Ruby fetch to the Javascript world
If you are a Rubyist you are probably comfortable using the fetch method on a day-to-day basis but when you are developing in Javascript this sweetness …