Ruby on Rails

Learn

• 為你自己學 Ruby on Rails, 2017-09
• Ruby on Rails Tutorial by Michael Hartl

Setup

Ruby Version Manager (RVM) for Rails Newbs, 2013-07

Model

• 3 ActiveRecord Mistakes That Slow Down Rails Apps: Count, Where and Present, 2019
• 大批新增資料：Rails 6 bulk insert records
• Database Browser for SQLite

Views

Layouts and Rendering in Rails

• Creating Responses
• Structuring Layouts

Controllers

Rails Routing from the Outside In

實做範例

• 自己對自己多對多: Rails Tutorial Chapter 11: Following users
• 使用 faker gem 產生測試用資料：Rails Tutorial 9.3.2 Sample Users
• 使用 Ajax: Rails Tutorial 11.2.5 A working follow button with Ajax
• SQL Subselect: Rails Tutorial 11.3.3 Subselects

Deploy

The Big Picture

Hosting

heroku

Apache

Phusion Passenger users guide, Apache version

Console

Rails Environment

三種環境：test, development, production

$ rails console # 預設環境: development

# 在 test 環境執行 console

$ rails console test

# 指定 local Rails server 的環境

$ rails server --environment production

# 產生 production 環境的資料庫

$ bundle exec rake db:migrate RAILS_ENV=production

References

• code school: Code School teaches web technologies in the comfort of your browser with video lessons, coding challenges, and screencasts.
• Easy Does IT: Top 10 Gems For Rails Newbs, 2013-08
• Rails Casts