nomethoderror

问题 I was going through ruby's Net::HTTP class. Every time I run this code from Net::HTTP doc #!/usr/bin/ruby require 'net/http' uri = URI('http://example.com/index.html') res = Net::HTTP.get_response(uri) # Headers res['Set-Cookie'] # => String res.get_fields('set-cookie') # => Array res.to_hash['set-cookie'] # => Array puts "Headers: #{res.to_hash.inspect}" # Status puts res.code # => '200' puts res.message # => 'OK' puts res.class.name # => 'HTTPOK' # Body puts res.body if res.response_body

问题 I was going through ruby's Net::HTTP class. Every time I run this code from Net::HTTP doc #!/usr/bin/ruby require 'net/http' uri = URI('http://example.com/index.html') res = Net::HTTP.get_response(uri) # Headers res['Set-Cookie'] # => String res.get_fields('set-cookie') # => Array res.to_hash['set-cookie'] # => Array puts "Headers: #{res.to_hash.inspect}" # Status puts res.code # => '200' puts res.message # => 'OK' puts res.class.name # => 'HTTPOK' # Body puts res.body if res.response_body

问题 I am getting the following error when I try to sign in in my rails app. I used devise for authentication. My error is NoMethodError in Devise::SessionsController#create undefined method `current_sign_in_at' My user model is models/user.rb devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable, :validatable, :omniauthable attr_accessible :admin,:first_name, :last_name, :profile_name, :college_name, :email, :password, :password_confirmation, :remember_me,

问题 I am trying to complete the Ruby on Rails Tutorial by Michael Hartl and I am stuck on Chapter 8. I am getting the same two errors when I run my tests: NoMethodError: undefined method remember_token=' ActionView::Template::Error: undefined method find_by_remember_token' I am very new to coding and programming so I'm not sure exactly what to post so people can help with my question. I feel like I've defined both :remember_token and find_by_remember_token. I've included each of the instances

问题 I am receiving a NoMethodError: undefined method 'scan' for Lexicon:Class when I try to run a rake test with the following RakeFile. require './lib/ex48/lexicon.rb' require 'test/unit' class TestLexicon < Test::Unit::TestCase def test_directions assert_equal(Lexicon.scan('north'), [%w(direction north)]) end end I have a simple Lexicon class: class Lexicon def initialize @direction = %w(north south east west down up left right back) @verbs = %w(go stop kill eat) @stop_words = %w(the in of from

问题 I am getting the following error when I try to submit a form (the form shows up when 1 user wants to message another user) NoMethodError in MessagesController#create undefined method `stringify_keys' for "":String Rails.root: /Users/fkhalid2008/loand Application Trace | Framework Trace | Full Trace app/controllers/messages_controller.rb:31:in `new' app/controllers/messages_controller.rb:31:in `create' Here is the relevant code from Messages Controller: def new @message = Message.new if params

问题 I am new to Ruby programming. I am trying to get the google XRDS with HTTP GET request, but running in to the NoMethodError (undefined method `set_body_internal') Error. Below is my code. Any help is much appreciated. require "net/https" require "uri" class OpenidController < ApplicationController def getOpenIdXRD print "Hello...\n" uri = URI.parse("https://gmail.com/.well-known/host-meta") print "Hello...1\n" # Shortcut #response1 = Net::HTTP.get_response(uri) http = Net::HTTP.new(uri.host,

问题 I am new to Ruby programming. I am trying to get the google XRDS with HTTP GET request, but running in to the NoMethodError (undefined method `set_body_internal') Error. Below is my code. Any help is much appreciated. require "net/https" require "uri" class OpenidController < ApplicationController def getOpenIdXRD print "Hello...\n" uri = URI.parse("https://gmail.com/.well-known/host-meta") print "Hello...1\n" # Shortcut #response1 = Net::HTTP.get_response(uri) http = Net::HTTP.new(uri.host,

问题 My new.html.erb code in views/users: <h1>Sign Up</h1> <%= simple_form_for(@user) do |f| %> <%= f.input :username %> <%= f.input :password %> <%= f.input :password_confirmation %> <%= f.button :submit %> <% end %> this is the error: undefined method `simple_form_for' for #<#<Class:0x9f9b568>:0xaa02440> I know what this error is asking for: def simple_form_for end but the problem is where to put it. Also this is my users_controller.rb: class UsersController < ApplicationController def new @user

问题 When the global application controller is loaded first, the namespaced application controller does not load when loading pages within that namespace. The application controller looks like this: class ApplicationController < ActionController::Base protect_from_forgery end And the namespaced application controller looks like this: class Admin::ApplicationController < ApplicationController def authenticate_admin! if current_admin.nil? redirect_to new_admin_session_url end end private def current