$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib')) $:.unshift(File.dirname(__FILE__)) require 'rubygems' require 'ncmb' require 'yaml' yaml = YAML.load_file(File.join(File.dirname(__FILE__), '..', 'setting.yml')) NCMB.initialize application_key: yaml['application_key'], client_key: yaml['client_key'] Parent = NCMB::DataStore.new 'Parent' Child = NCMB::DataStore.new 'Child' child = Child.new(name: "Taro") parent = Parent.new(name: "Oya") parent.child = child parent.save