Home
Recent Q&A
Java
Cloud
JavaScript
Python
SQL
PHP
HTML
C++
Data Science
DBMS
Devops
Hadoop
Machine Learning
Azure
Blockchain
Devops
Ask a Question
Ruby Interview Questions and Answers
Home
Questions
Ruby
0
votes
Q: How do you add Ruby code inside Rails views and have its result outputted in the HTML file?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: A way that views can share reusable code, such as formatting a date, is called a _?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: What is a standard prerequisite for implementing Single Table Inheritance (STI)?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Where would this code most likely be found in a Rails project? scope :active, lambda { where(:active => true) }
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Given this code, and assuming @user is an instance of User that has an assigned location, which choice would be used to return the user's city?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: When rendering a partial in a view, how would you pass local variables for rendering?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: What decides which controller receives which requests?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Which code would you add to return a 404 to the API caller if the user is not found in the database?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: After this migration has been executed, which statement would be true?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Within a Rails model with a cache_key method, which code snippet will expire the cache whenever the model is updated?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Which code sample will skip running the login_required "before" filter on the get_posts controller action?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Which choice is an incorrect way to render a partial?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Given two models, what is the issue with the query used to fetch them?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Given this Category model with an attribute for "name", what code would fill in the blank so that it sets saved_name to a string that is the category name that existed before the name was changed?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Given a table of blog_posts and a related table of comments (comments made on each blog post), which ActiveRecord query will retrieve all blog posts with comments created during @range?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Which choice is not a valid Rails route?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: If User is an ActiveRecord class, which choice would be expected to return an array?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Which part of the Rails framework is primarily responsible for making decisions about how to respond to a browser request?
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: If the only route defined is resources :products, what is an example of a URL that could be generated by this link_to method? link_to('Link', {controller: 'products', action: 'index', page: 3})
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: If a product has a user-uploadable photo, which ActiveStorage method should fill in the blank? class Product << ApplicationRecord ____ :photo end
answered
Sep 3, 2022
in
Ruby
by
DavidAnderson
ruby-on-rail
0
votes
Q: How would you validate that a project's name is not blank, is fewer than 50 characters, and is unique?
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: What is the correct syntax for inserting a dynamic title tag into the header of your page from within an ERB view template?
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Which choice best describes the expected value of @result? @result = Article.first.tags.build(name: 'Urgent')
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: What is the correct way to assign a value to the session?
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Which statement about ActiveRecord models is true?
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: There is a bug in this code. The logout message is not appearing on the login template. What is the cause?
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Which HTML is closes to what this code would output? <% check_box(:post, :visible) %>
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: You made a spelling mistake while creating a table for bank accounts. Which code would you expect to see in a migration to fix the error?
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: Review the code below. Which Ruby operator should be used to fill in the blank so that the sort method executes properly?
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
0
votes
Q: In a Rails controller, what does the code params.permit(:name, :sku) do?
answered
Sep 2, 2022
in
Ruby
by
DavidAnderson
ruby-on-rails
To see more, click for all the
questions in this category
.
...
