rstacruz

Rails Models

Generating models

$ rails g model User

Associations

belongs_to

has_one

mlanett

HTTP status code symbols for Rails

Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.

Status Code Symbol
1xx Informational
100 :continue
101 :switching_protocols
102 :processing

mdang

Ruby on Rails Cheatsheet

Architecture

Create a new application

Install the Rails gem if you haven't done so before

harrietty

Ruby on Rails Cheatsheet (5.1)

Architecture

RVM

$ rvm list - show currently installed Rubies

cjsim89

Rails v7.1.2 Cheatsheet

Updated by: Chris Simmons, based on the 5.2 Cheatsheet by Scott Borecki.

Please reach out if you have any comments or suggestions for updates!

Notes About this Cheatsheet

• This guide uses Rails version v7.1.2. Run rails -v to check your Rails version number.
• Code snippets in this cheatsheet starting with $:
• Run from the terminal, usually within your project directory.