ruby-on-rails-4

问题 I am new to unit testing and have a simple use case. There are 2 models: City , Resident . A City has_many Residents. I created 2 fixture yml files: cities.yml, residents.yml. residents.yml resident1: name: resident1 resident2: name: resident2 resident3: name: resident3 cities.yml city1: name: city1 residents: resident1, resident2, resident3 When I run a trivial test that should always pass, I get an error : Minitest::UnexpectedError: ActiveRecord::StatementInvalid: Mysql2::Error: Unknown

问题 I'm using multiple scaffolding in my testapp project. i have created 1st scaffold like this: rails g Post title desc:text it was successful and created all relevant files and controller as well. but when i made another scaffold : testapp$ rails g scaffold product name:string information:text 'price:decimal{7,2}' stock:integer available:boolean invoke active_record create db/migrate/20140513062549_create_products.rb create app/models/product.rb invoke test_unit create test/models/product_test

问题 I'm using multiple scaffolding in my testapp project. i have created 1st scaffold like this: rails g Post title desc:text it was successful and created all relevant files and controller as well. but when i made another scaffold : testapp$ rails g scaffold product name:string information:text 'price:decimal{7,2}' stock:integer available:boolean invoke active_record create db/migrate/20140513062549_create_products.rb create app/models/product.rb invoke test_unit create test/models/product_test

问题 I'm using multiple scaffolding in my testapp project. i have created 1st scaffold like this: rails g Post title desc:text it was successful and created all relevant files and controller as well. but when i made another scaffold : testapp$ rails g scaffold product name:string information:text 'price:decimal{7,2}' stock:integer available:boolean invoke active_record create db/migrate/20140513062549_create_products.rb create app/models/product.rb invoke test_unit create test/models/product_test

问题 I'm working on a small demo app to help myself understand how to implement cascading selects on Rails 4, but I've run into an interesting problem: When I fill out a form and submit it to the database, the parameters seem to be passed, but the values are not being saved in the database because the SQL skips the field names and values, as demonstrated in this snippet from the console: Started POST "/prop_sub_types" for ::1 at 2015-01-23 18:54:05 -0800 Processing by PropSubTypesController#create

问题 Why are all the content_tags display except the content_tag :i def sign_full_tag(group, obj, name, input_type="text", size="12", popover=true) content_tag :div, class: "row" do content_tag :div, class: "col-md-" + size do content_tag :div, class: "form-group left-inner-addon" + class_for_invalid_input(obj, name) do content_tag(:i, "", class: "fa fa-user fa-fw text-muted") # NOT DISPLAY!!! group.text_field( name, class: "form-control" + (popover ? " popover-add" : ""), id: name.to_s.gsub("_",

问题 I use pundit gem to authorization. In my file config/initializers/rails_admin.rb RailsAdmin.config do |config| config.authorize_with :pundit config.current_user_method(&:current_user) ...... end I follow the instructions in https://github.com/sudosu/rails_admin_pundit But in when run code, error : protected method `policy' called for #<Rails_Admin::MainController I use rails_admin 0.8.1 Please guide me use pundit in rails_admin ( tutorial, examle, ...) 回答1: You can try to use this gem or just

问题 I use pundit gem to authorization. In my file config/initializers/rails_admin.rb RailsAdmin.config do |config| config.authorize_with :pundit config.current_user_method(&:current_user) ...... end I follow the instructions in https://github.com/sudosu/rails_admin_pundit But in when run code, error : protected method `policy' called for #<Rails_Admin::MainController I use rails_admin 0.8.1 Please guide me use pundit in rails_admin ( tutorial, examle, ...) 回答1: You can try to use this gem or just

问题 I use pundit gem to authorization. In my file config/initializers/rails_admin.rb RailsAdmin.config do |config| config.authorize_with :pundit config.current_user_method(&:current_user) ...... end I follow the instructions in https://github.com/sudosu/rails_admin_pundit But in when run code, error : protected method `policy' called for #<Rails_Admin::MainController I use rails_admin 0.8.1 Please guide me use pundit in rails_admin ( tutorial, examle, ...) 回答1: You can try to use this gem or just

问题 I use pundit gem to authorization. In my file config/initializers/rails_admin.rb RailsAdmin.config do |config| config.authorize_with :pundit config.current_user_method(&:current_user) ...... end I follow the instructions in https://github.com/sudosu/rails_admin_pundit But in when run code, error : protected method `policy' called for #<Rails_Admin::MainController I use rails_admin 0.8.1 Please guide me use pundit in rails_admin ( tutorial, examle, ...) 回答1: You can try to use this gem or just