Articles and blogs

Blogged about what I learned about OPC UA in the last 18 months New blog article on Hash Vs class in Ruby applications: https://marcusilgner.com/posts/2022-05-03-idiomatic-coding-ruby-hashes/ New blog article about Value Objects in Ruby On Rails: https://marcusilgner.com/posts/2022-05-04-rails-value-objects/