Interesting links I found today 04/02/2018

• Rails Refactoring Techniques - Concerns | Best Practice on Ruby on Rails | Hire Ruby on Rails developers

tags: Rails ruby best practice refactoring ruby on rails concerns

• RailsConf 2014 - Concerns, Decorators, Presenters, Service Objects, Helpers, Help Me Decide! - YouTube

tags: ruby Rails

• Building a Blockchain: What, How, and Why - via @codeship

tags: blockchain

• The Ultimate Python Seaborn Tutorial: Gotta Catch 'Em All

tags: python seaborn

• A New Ruby Application Server: NGINX Unit

Posted from Diigo. The rest of my favorite links are here.