ruby-on-rails-4.2

问题 I am using Rails 4.2, the AWS-SES gem and the Mailform gem. I am trying to set up AWS SES in development and have added this to config/development.rb : # Configure mail using AWS SES config.after_initialize do ActionMailer::Base.delivery_method = :amazon_ses ActionMailer::Base.custom_amazon_ses_mailer = AWS::SES::Base.new( :secret_access_key => ENV['AWS_SECRET_ACCESS_KEY'], :access_key_id => ENV['AWS_SECRET_KEY_ID'], :server => 'email.eu-west-2.amazonaws.com' ) end When I attempt to send

问题 I've attempted to install Rails 4.2.0.beta1 (released Aug 20, 2014). I get an error "Unresolved dependency found during sorting." Here are the details: $ ruby -v ruby 2.1.2p95 (2014-05-08 revision 45877) [x86_64-darwin13.0] $ gem -v 2.4.1 $ gem install rails --pre ERROR: While executing gem ... (Gem::DependencyError) Unresolved dependency found during sorting - activesupport (>= 4.0) (requested by sprockets-rails-3.0.0.beta1) How can I install Rails 4.2.0.beta1? 回答1: This issue has been fixed

问题 I've attempted to install Rails 4.2.0.beta1 (released Aug 20, 2014). I get an error Bundler could not find compatible versions for gem "sprockets-rails" . Here are the details: $ bundle update rails Fetching gem metadata from https://rubygems.org/......... Fetching additional metadata from https://rubygems.org/.. Resolving dependencies... Bundler could not find compatible versions for gem "sprockets-rails": In Gemfile: sass-rails (~> 4.0.3) ruby depends on sprockets-rails (~> 2.0) ruby rails

问题 * UPDATE: this is now fixed in 4.2.stable and 4.2.1 * in Rails 4.2.0 (and current 4.2.stable), the ensure_in_range method happens before AR validation, yielding a RangeError if I do something as simple as @obj.threshold = 10_000_000_000 on a column with a postgres type integer threshold | integer | it yields RangeError: 10000000000 is out of range for ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Integer with limit 4 from .../2.0.0-p598/lib/ruby/gems/2.0.0/bundler/gems/rails-62e9e61f2d1b

问题 The dockerfile consists as:- FROM ruby:2.2.3-slim MAINTAINER Milan Rawal <milan@gmail.com> RUN apt-get update && apt-get install -qq -y build-essential nodejs libmagickcore-dev imagemagick libmagickwand-dev libxml2-dev libxslt1-dev git-core curl htop --fix-missing --no-install-recommends ENV INSTALL_PATH /air_scout RUN mkdir -p $INSTALL_PATH WORKDIR $INSTALL_PATH COPY Gemfile Gemfile RUN bundle install COPY . . RUN bundle exec rake RAILS_ENV=production SECRET_TOKEN

问题 I'm applying enum on the following attribute: transparency The same attribute (with enum) is used in two different models: Category and Post Is it possible to share the enum values between models, to avoid code duplication: enum transparency: %w(anonymous private public) 回答1: You can use a concern. module HasTransparency extend ActiveSupport::Concern included do enum transparency: %w(anonymous private public) end end Then include it in your models: class Category < ActiveRecord::Base include

问题 I'm upgrading a Rails 4.1.8 app (also using rails-api ~> 0.3.1) to 4.2.0.rc2 and would like to retain the respond_with functionality. I've added responders to the Gemfile, but when I bin/rake spec , I get: /Users/sloveless/.gem/ruby/2.1.0/gems/actionpack-4.2.0.rc2/lib/action_controller/metal/mime_responds.rb:10:in `respond_to': The controller-level `respond_to' feature has been extracted to the `responders` gem. Add it to your Gemfile to continue using this feature: (NoMethodError) gem

问题 Below on line no. 2, I am getting this error: Errno::ENOENT in OrdersController#print def generate_receipt(filename = nil, current_user = nil) filename ||= "public/receipts/#{id}.pdf" Prawn::Document.generate(filename, :page_layout => :portrait, :page_size => 'LETTER', :skip_page_creation => false, :top_margin => 50, :left_margin => 50)do |pdf| pdf_receipt_data(pdf, false, 'store_front', current_user) pdf.number_pages "<page> of <total>", :at => [0, 0] end end On my localhost this code is

问题 Below on line no. 2, I am getting this error: Errno::ENOENT in OrdersController#print def generate_receipt(filename = nil, current_user = nil) filename ||= "public/receipts/#{id}.pdf" Prawn::Document.generate(filename, :page_layout => :portrait, :page_size => 'LETTER', :skip_page_creation => false, :top_margin => 50, :left_margin => 50)do |pdf| pdf_receipt_data(pdf, false, 'store_front', current_user) pdf.number_pages "<page> of <total>", :at => [0, 0] end end On my localhost this code is

问题 After upgrading our team's rails application to 4.2, as the release note mentioned, the default ip rails server binds to is changed to localhost from 0.0.0.0 . We develop with Vagrant, and want the development server to be accessible directly from browser on the host machine. Instead of typing rails s -b 0.0.0.0 every time from now on, I wonder if there's any more elegant solution, so that we can still use sth as simple as rails s to start the server. Perhaps: a config file rails s reads