UUID is an alternative primary key type for SQL databases. It offers some non-obvious advantages compared to standard integer-based keys. Rails 6 release fresh out of beta introduces a new feature in ActiveRecord that makes working with UUID primary keys ... (more…)

How to cache artifacts from bundle install and rake assets:precompile commands... (more…)

During this year I noticed 2 similar concurrency problems with my Ruby on Rails application and I solved them with distributed locks. I’m going to show you h... (more…)

A light-weight autocomplete integration for Rails application.

Dig into the basics of design patterns and anti-patterns. (more…)