Acción Comando
Formulario: control errores
   
class Article ApplicationRecord
    validates :title, presence: true    
    validates :body, presence: true, length: { minimum: 10 }
end
                           
Turbo, activacion

application.html.erb:   
<%= javascript_include_tag "turbo", type: "module" %>
Add gem "turbo-rails", "~> 1.0"  
Run bundle install
Run bin/rails turbo:install
Procesos: rails lsof -wni tcp:3000, lsof -wni | grep rails
Procesos: kill kill -9 [pid] [pid]
VSCode: ajustar codigo a ventana alt-z
VSCode: reconozca extensiones Iniciamos VSCode en directorio del proyecto$ code