ruby-on-rails-4.1

问题 I'd like to bind the rails server to 127.0.0.1, instead of 0.0.0.0 so its not accessible when I'm working from coffee shops. Is there a configuration file where I can specify this option so I don't have to pass the command line switch: rails server -b 127.0.0.1 ? 回答1: If you are searching for Rails 5 : Answer In Rails ~> 4.0 you can customize the boot section of the Server class: In /config/boot.rb add this lines: require 'rails/commands/server' module Rails class Server def default_options

问题 I have created a new application using Ruby on Rails v4.1.0. When attempting to start a server or console on Windows, I am encountering the following error: $ rails server Booting WEBrick Rails 4.1.0 application starting in development on .... Exiting c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/tzinfo-1.1.0/lib/tzinfo/data_source.rb:199: in `rescue in create_default_data_source': No timezone data source could be found. To resolve this, either install TZInfo::Data (e.g. by running

问题 I have created a new application using Ruby on Rails v4.1.0. When attempting to start a server or console on Windows, I am encountering the following error: $ rails server Booting WEBrick Rails 4.1.0 application starting in development on .... Exiting c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/tzinfo-1.1.0/lib/tzinfo/data_source.rb:199: in `rescue in create_default_data_source': No timezone data source could be found. To resolve this, either install TZInfo::Data (e.g. by running

问题 Assume I have this model: class Conversation < ActiveRecord::Base enum status: [ :active, :archived ] end How can I find all active conversations without using the numeric value of the enum or without having to iterate over each conversation? I tried doing Conversation.where(status: :active) , but it didn't yield any results. The only solution comes to mind is to iterate over all conversations and select the active ones, but it doesn't look like a good solution. Conversation.all.select {

问题 I'm setting up my first Rails 4.1 app, which comes with Spring, their new preloader. When I try to install Devise using their generator ( $ rails generate devise:install ), the command line just hangs and nothing gets generated. If I remove Spring from the gem file and try again, the Devise generator works. Anyone have any insight? 回答1: Check directories of some other projects that you were working on at that time, chances are that the generated files ended up there. spring seems to get

问题 I upgraded rails to 4.1.0 & installed gem "spring" After it, I patched bundle exec spring binstub --all . Now, all my bin/* includes begin load File.expand_path("../spring", __FILE__) rescue LoadError end But, if I run, saying time spring rake -T & time rake -T times 1 second & 3 seconds! It seems that spring not used by default in my application. What's going wrong? It's bad thing that I need to write annoying spring ..command.. before any rake task, rails server or rspec. What I need to do

问题 I upgraded rails to 4.1.0 & installed gem "spring" After it, I patched bundle exec spring binstub --all . Now, all my bin/* includes begin load File.expand_path("../spring", __FILE__) rescue LoadError end But, if I run, saying time spring rake -T & time rake -T times 1 second & 3 seconds! It seems that spring not used by default in my application. What's going wrong? It's bad thing that I need to write annoying spring ..command.. before any rake task, rails server or rspec. What I need to do

问题 I know there is a lot of question about that but I can't find an answer for my case. So, I build a Rails 4 API, I try to create a User with a post JSON request. Here some pieces of my code : user.rb : class User < ActiveRecord::Base acts_as_token_authenticatable has_secure_password belongs_to :current_position, :class_name => "Position", foreign_key: "position_current_id" has_many :positions searchkick locations: ["location"] def search_data attributes.merge location: [current_position

问题 Research: Rails 4.0 beta, fields_for not accepting pluralized model_name in one-to-many association, Rails 4 Nested Attributes with fields_for Don't Save to Database First, let's get the most common problem out of the way: incorrectly named attributes parameters for strong parameters. Mine is correctly plural. class AdultsController < ApplicationController ... def update authorize @user respond_to do |format| if @user.update_attributes(user_params) format.html { redirect_to unit_adult_path(

问题 Rails 4.1 Ruby 2.0 Windows 8.1 In my helpers/application_helper.rb, I have: def agents_and_ids_generator agents = Agent.all.order(:last) if agents agents_and_ids = [['','']] agents.each do |l| name = "#{l.first} #{l.last}" agents_and_ids << [name,l.id] end return agents_and_ids end end In my views/agents/form.html.erb, I have the following: <%= f.select :agent_id, options_for_select(agents_and_ids_generator) %> In my controllers/agents_controller.rb, I have the following: include