Valery Kvon questions

Valery Kvon answers

• Cannot validate uniqueness in tableless class
• How to get index in partial with fields_for on nested records [duplicate]
• Failure to install nokogiri libiconv is missing on Yosemite Mac OS X 10.10
• How to validate in a model, data from a controller
• Routing Error for a model with a join_table and has_many :through in RailsAdmin
• Merging two/three records in rails
• render error messages with js form rails
• Rails ActiveRecord return records where id exists in related table
• ruby 2.0 rails gem install error "cannot load such file -- openssl"
• Why am I getting Name Error when I use CanCan