README.md

Ruby on Rails 5 Essential Training

Check out the course on LinkedIn Learning.

Setting up my machine

I hit some problems with getting mysql installed on my MacBook Air M1. Here are the resources that helped me get it working:

1. https://gorails.com/setup/osx/11-big-sur
2. https://stackoverflow.com/questions/45474191/an-error-occurred-while-installing-mysql2-0-4-8-and-bundler-cannot-continue

Running simple_cms

# Start up your database server
/opt/homebrew/bin/mysql.server start

# Start up your webserver
rails server

Snippets

1. Create a new controller: rails generate controller ExampleController view
2. Generate migration: rails generate migration DoNothingYet
3. Working with migrations:

   rails db:migrate
   rails db:migrate VERSION=0
   rails db:migrate:status
   rails db:migrate VERSION=20211211125002
   rails db:migrate:up VERSION=20211211125002
   rails db:migrate:down VERSION=20211211125002
   rails db:migrate:redo VERSION=20211211125002

4. Generate a model: rails generate model SingularName
5. Loads IRB (Interactive Ruby) but with Rails:

   rails console
   rails c

6. Open the rails console in development environment: rails console development
7. View a list of all the configured routes: rails routes
8. Clear the web logs: rails log:clear to clear the log

My course notes

Course notes