Fix 'express' is not recognized as an internal or external command
C:\dev\nodesand>express 'express' is not recognized as an internal or external command, operable program or batch file. Solution: $> npm install express-generator -g
Techy Things
undefined method `deliver_welcome_email' for UserMailer:Class
Wrong: UserMailer.deliver_welcome_email(@user, srequest.unique_id, websitename, request.host) Good: UserMailer.welcome_email(@user, srequest.unique_id, websitename, request.host).deliver
can't convert Hash into Integer using .first(:conditions => :unique_id
Wrong: existingRequest = Signuprequest.first(:conditions => { :unique_id => intHex.to_s }); Good: existingRequest = Signuprequest.where(:unique_id => intHex.to_s).first;
ActiveModel::ForbiddenAttributesError when creating new user
ActiveModel::ForbiddenAttributesError when creating new user Solution: On your POST handler, you need to untaint your params with: class UsersController < ApplicationController (...) def create #post @user = User.new(user_params) (...) end (...) private def user_params...
Upgrade routes.rb from Rails 2 to Rails 3
,\s:controller\s=>\s['"](.*)['"]\s,\s:action\s=>\s['"](.*)['"] => "$1#$2" map.connect(.*),\s:conditions\s=>\s{\s:method\s=>\s:get\s} => get$1 The official way is with this plugin https://github.com/rails/rails_upgrade But it is outdated, and upon extracting the routing upgrade script, the output is not usable and still requires manual...
undefined method `searchable' for User(Table doesn't exist):Class
undefined method `searchable' for User(Table doesn't exist):Class Solution, add the missing gem include in Gemfile: gem
undefined method `request_uri' for #
undefined method `request_uri' for # Replace : def store_location session[:return_to] = request.request_uri end by : def store_location session[:return_to] = request.url end et voilà !
undefined method `filter_parameter_logging' for ApplicationController:Class
class ApplicationController < ActionController::Base helper :all helper_method :current_user_session, :current_user filter_parameter_logging :password, :password_confirmation Solution: It is now builtin authlogic, you do not need to include this line at all !
How to fix "no such file to load — xyz"
In Ruby on Rails you just need to add it to project-root/Gemfile gem 'xyz' # or gem 'xyz', '~> 1.0.0'
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