Basic Programming :: Ruby on Rails Developer Job Interview Questions and Answers

Ruby on Rails Developer related Frequently Asked Questions by expert members with professional career as Ruby on Rails Developer. These list of interview questions and answers will help you strengthen your technical skills, prepare for the new job interview and quickly revise your concepts

1 What is RVM?
2 What is Rails Scaffolding?
3 Explain me what Are The Components Defined In The Model From Mvc Architecture?
4 Please explain request/response cycle?
5 Explain what’s different between ActiveRecord::Relation’s count, length and size methods?
6 Tell me how does Rails implement AJAX?
7 Do you know the role of garbage collection in Ruby on Rails?
8 What is Rails Migrations?
9 Tell us what Is Active Record?
10 Tell us what Is The Log That Has To Seen To Check For An Error In Ruby Rails?
11 Tell me how does Ruby on Rails use the Model View Controller (MVC) framework?
12 Tell me the difference between ActiveSupport’s “HashWithIndifferentAccess” and Ruby’s “Hash”?
13 Tell me what is CoC in Rails?
14 Please explain what is a Rails Migration? Write up a short example of a simple Rails Migration with a table called customers, a string column called name, and a text column called description.?
15 Tell us ruby Supports Single Inheritance/multiple Inheritance Or Both?
16 Do you know who developed Rails?
17 Tell me what’s the difference between destroy and delete?
18 Tell us what is the purpose of the resources method in the code snippet below?
19 Tell us what are some advantages of using Ruby on Rails?
20 Tell us how Many Types Of Callbacks Available In Ror?
21 Do you know what are rails filters?
22 Explain me what Are The Servers Supported By Ruby On Rails?
23 Please explain what is the purpose of the rakefile available in the demo directory in Ruby?
24 Do you know what is Rails Caching?
25 Do you know the role of the subdirectories app/controllers and app/helpers in Rails?
26 Explain me what is Testing in Rails?
27 Tell us what are benefits of using Active Record as opposed to raw SQL queries?
28 Tell us what’s the difference between new, save and create?
29 Tell us what is the use of super function in Ruby on Rails?
30 What is Rails Router?

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