rails

Ruby on Rails Guides(v5.1.3) Getting Started with Railsを読む#1

これは、最新のRuby on Rails ガイド(v5.1.3) を読んだ際の学習記録です。 Ruby on Rails Guides Getting Started with Rails — Ruby on Rails Guides #1 Start Here 以下を学ぶ * Railsインストール、Railsアプリケーションの作成、そしてアプリケーション…

[Error] bin/rails:6: warning: already initialized constant APP_PATH [rails]

エラー rails new でAPPを作成後、rails s で躓いた. $ rails s bin/rails:6: warning: already initialized constant APP_PATH /home/dev1/railbook/bin/rails:6: warning: previous definition of APP_PATH was here 環境 $ ruby -v ruby 2.2.0p0 (2014-12…