rails-4-2-1

问题 I have this below observation: I deployed a sample Rails 4.2.2 application with a controller and action to receive a POST request. Now If I send a POST request to this application with some POST body say a hash like {"1"=>"hello","2"=>"bye"} and if the content type of the request is "application/xml" , I don't receive any parameters in my Rails app. If I change content type of the same request to some thing else , I will get the parameters properly. Can some one please tell my why this

问题 I am trying add a attribute called username to devise but rails shows me an error in the following line of code I am using rails 4.0.0 and devise 3 def configure_permitted_parameters devise_parameter_sanitizer.for(:sign_up) { |u| u.permit(:username, :email, :password, :password_confirmation) } end Controller application class ApplicationController < ActionController::Base # Prevent CSRF attacks by raising an exception. # For APIs, you may want to use :null_session instead. protect_from

问题 I have the update method in user managements controller like this def update @user.update(user_permitted_params) redirect_to admin_user_managements_path end My strong parameters is set as def user_permitted_params params.require(:user).permit(:name, :email, :password, :password_confirmation, :address, :zip_code, :phone_number, :role_id) end I am getting following issue Unpermitted parameters: utf8, _method, authenticity_token, user, commit 回答1: I tried your code myself and the only