摘要：
NoMethodError in ProductsController#createundefined method `tittle' for #<Product:0xb67f6fdc>Rails.root: /home/fandy/RailsCode/depotApplication Trace|Framework Trace|Full Traceapp/controllers/products_controller.rb:46:in `create'app/controllers/products_controller.rb:45:in `create' 阅读全文
摘要：
1.情况1： "bundle install" command or "gem install mysql2" it gives me following error"Error installing mysql2: ERROR: Failed to build gem native extension."解决方案: sudo apt-get install libmysql-ruby libmysqlclient-dev gem install mysql22.情况2： 安装mysql时候 改变了安装目录，checking for 阅读全文