Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>IT Tests>Questions>Ruby on Rails

37 interview questions on Ruby on Railsfor developers (2024)

Test your technical skills before an interview of Ruby on Rails with 37 corrected questions. Beginner, Intermediate or Expert level.

or
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
3733
To review
21
37 questions
Medium
2 votes120 runs0 comment

Create a Rails controller with a bar action and a value parameter.

Back-end developer
rails
routes
views
Olivier Millaat Nov 11, 2021
Hard
2 votes76 runs0 comment

Create a user in Rails with a validation error

Back-end developer
rails
validations
Inconnuat Jan 5, 2022
Hard
1 vote123 runs0 comment

Rails: The #create action raises an exception if the request parameters do not contain a :foo key.

Back-end developer
rails
action
parameters
Olivier Millaat Dec 2, 2021
Hard
1 vote113 runs0 comment

Use the I18n gem to translate a string, a date and a pluralized string in Rails

Back-end developer
rails
i18n
Olivier Millaat Nov 11, 2021
Medium
1 vote109 runs0 comment

What is the effect of setting config.eager_load = true in Rails?

Back-end developer
rails
config
Olivier Millaat Dec 2, 2021
Hard
1 vote102 runs0 comment

How to call a method in a Rails class

Back-end developer
rails
class
method
Olivier Millaat Dec 2, 2021
Hard
1 vote81 runs0 comment

Translate the string 'hello_world' to French in Rails

Back-end developer
rails
i18n
Inconnuat Jan 5, 2022
Medium
1 vote75 runs0 comment

What are the columns of the users table in Rails?

Back-end developer
rails
models
Inconnuat Jan 5, 2022
Medium
1 vote73 runs0 comment

How to execute Ruby code without displaying it.

Back-end developer
rails
ruby
Inconnuat Jan 5, 2022
Hard
0 vote121 runs0 comment

Rails validations: :state, :inclusion, :valid?

Back-end developer
rails
validations
Olivier Millaat Nov 11, 2021
Expert
0 vote118 runs0 comment

Write a Rails controller and view that renders a list of foos.

Back-end developer
rails
layout
partial
Olivier Millaat Dec 2, 2021
Medium
0 vote111 runs1 comment

Return all Bar objects whose foos have data set to true.

Back-end developer
rails
joins
where
Olivier Millaat Nov 11, 2021
Medium
0 vote110 runs0 comment

How to make a method available in all views in Rails

Back-end developer
rails
views
Olivier Millaat Dec 2, 2021
Medium
0 vote109 runs0 comment

Add subfolders of app/models to the list of paths to load at application startup

Back-end developer
rails
models
Olivier Millaat Dec 2, 2021
Easy
0 vote109 runs0 comment

Calling user.foos executes a single database query

Back-end developer
rails
associations
Olivier Millaat Nov 11, 2021
Medium
0 vote108 runs0 comment

foo = Foo.create calls the callbacks :init, :after and :before,If :before returns false, the execution chain is stopped and the object is not created in the database.

Back-end developer
rails
callbacks
Olivier Millaat Dec 2, 2021
Medium
0 vote108 runs0 comment

Create a task in the lib/tasks/namespace.rake file with the command rails g task namespace task1

Back-end developer
rails
rake
Olivier Millaat Dec 2, 2021
Hard
0 vote108 runs0 comment

If a request to the FooController#index action is made, :check_request is called, @index is available from the controller's index.html.erb view, @var is available from the controller's index.html.erb view

Back-end developer
rails
controller
action
Olivier Millaat Nov 26, 2021
Easy
0 vote107 runs0 comment

How to call a method before every action in a Rails controller

Back-end developer
rails
before_action
Clément Devos (W3D Team)at Nov 28, 2022
Medium
0 vote104 runs0 comment

How to sort a query in Rails

Back-end developer
rails
sql
Olivier Millaat Dec 2, 2021