This warnings appear because you are using ruby 2.4.0. This version introduced this change: Unify Fixnum and Bignum into Integer See here for the announcement: https://www.ruby-lang.org/en/news/2016/12/25/ruby-2-4-0-released/ The warnings come from the activesupport gem which is part of rails and will be fixed in an upcoming release. For now you can just ignore those warnings. Update: … Read more
Rails core team decided to have consistency by enabling rails command to support everything that rake does. For example in Rails 5 commands like db:migrate, db:setup, db:test etc which are part of rake command in Rails 4 are now being supported by rails command. However you can still choose to use rake to run those … Read more
According to the documentation: The Parameter Sanitaizer API has changed for Devise 4 class ApplicationController < ActionController::Base before_action :configure_permitted_parameters, if: :devise_controller? protected def configure_permitted_parameters devise_parameter_sanitizer.permit(:sign_up, keys: [:username]) end end
The ability to chain or clause along with where clause in ActiveRecord query will be available in Rails 5. See the related discussion and the pull request. So, you will be able to do the following things in Rails 5: To get a post with id 1 or 2: Post.where(‘id = 1’).or(Post.where(‘id = 2’)) Some … Read more
According to the rails source, this is done under the hood when passing nothing: true in rails 5. if options.delete(:nothing) ActiveSupport::Deprecation.warn(“`:nothing` option is deprecated and will be removed in Rails 5.1. Use `head` method to respond with empty response body.”) options[:body] = nil end Just replacing nothing: true with body: nil should therefore solve the … Read more
I had a similar experience. Here’s how I solved it Display a list of all your local gems for the bundler gem gem list bundler N/B: The command above is for rbenv version manager, the one for rvm might be different This will display the versions of the bundler gem installed locally bundler (2.1.4, default: … Read more
My list of changes after moving to Rails 5: Place lib dir into app because all code inside app is autoloaded in dev and eager loaded in prod and most importantly is autoreloaded in development so you don’t have to restart server each time you make changes. Remove any require statements pointing to your own … Read more
You can use helpers.<helper> in Rails 5+ (or ActionController::Base.helpers.<helper>) view_context.<helper> (Rails 4 & 3) (WARNING: this instantiates a new view instance per call) @template.<helper> (Rails 2) include helper in a singleton class and then singleton.helper include the helper in the controller (WARNING: will make all helper methods into controller actions)