André Menezes dedemenezes

Cheat Sheet: Using Stimulus.js in Rails

Create and Connect a Stimulus Controller

Create a new Stimulus controller file, either:

with rails g stimulus my_feature, or
by manually adding a file in the controllers directory of your Rails application, e.g., app/javascript/controllers/my_feature_controller.js.

The controller file should define your Stimulus controller class:

Rails Partials Pro Tips

Best practices to keep you Rails views tidy and your components smart.

Pro Tip #1 💡 When should you use a partial?

Think in terms of component. Can those few lines be reused somewhere else in your application? If the answer is yes, it should be in a partial.

Originally published in June 2008

When hiring Ruby on Rails programmers, knowing the right questions to ask during an interview was a real challenge for me at first. In 30 minutes or less, it's difficult to get a solid read on a candidate's skill set without looking at code they've previously written. And in the corporate/enterprise world, I often don't have access to their previous work.

To ensure we hired competent ruby developers at my last job, I created a list of 15 ruby questions -- a ruby measuring stick if you will -- to select the cream of the crop that walked through our doors.

What to expect

Candidates will typically give you a range of responses based on their experience and personality. So it's up to you to decide the correctness of their answer.

Rails Migration

http://guides.rubyonrails.org/migrations.html

Migrations methods:

add_column
add_index
change_column
change_table
create_table
drop_table

	<!DOCTYPE html>
	<html>

	<head>
	<meta charset="UTF-8">
	<link rel="stylesheet" href="style.css">
	<title>Playground - JavaScript 101</title>
	</head>

	<body>