1.
What Is ORM In Rails?
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Xamarin Ruby on Rails interview questions.
Only challenges
- 2.
Explain what is rake in Rails?
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- 3.
Explain what is Ruby on Rails?
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- 4.
Mention what is Rails Migration?
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- 5.
Explain what is ORM (Object-Relationship-Model) in Rails?
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- 6.
Explain what is the role of sub-directory app/controllers and app/helpers?
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- 7.
Explain what is Rails Active Record in Ruby on Rails?
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- 8.
Mention what are the limits of Ruby on Rails?
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- 9.
Mention what is the role of Rails Controller?
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- 10.
What is the use of load and require in Ruby?
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- 11.
What Do You Mean By Render And Redirect_to?
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- 12.
What Are Helpers And How To Use Helpers In ROR?
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- 13.
What Are The Various Components Of Rail?
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- 14.
How Is Visibility Of Methods Changed In Ruby (encapsulation)?
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- 15.
What do you mean by the term Scaffolding and what sort of advantages the Ruby can offer when it comes to same?
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- 16.
What Is MVC? And How It Works?
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- 17.
Explain how you define Instance Variable, Global Variable and Class Variable in Ruby?
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- 18.
How Many Types Of Relationships Does A Model Has?
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- 19.
Mention what are the positive aspects of Rails?
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- 20.
Mention what is the difference between a gem and a plugin in Ruby?
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- 21.
How Many Types Of Associations Relationships Does A Model Have?
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- 22.
Explain what is a class library in Ruby?
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- 23.
List out what can Rails Migration do?
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- 24.
What Is The Difference Between Nil And False In Ruby?
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- 25.
What is the purpose of the resources method in the code snippet below?
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- 26.
Mention what is the difference in scope for these two variables: @@name and @name?
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- 27.
What Things We Can Define In The Model?
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- 28.
How should you use nested layouts?
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- 29.
What is the purpose of the rakefile available in the demo directory in Ruby?
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- 30.
Mention what is the function of garbage collection in Ruby on Rails?
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- 31.
How does Ruby on Rails use the Model View Controller (MVC) framework?
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- 32.
What is the use of Destructive Method?
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- 33.
Mention what is the purpose of RJs in Rails?
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- 34.
What Are Filters?
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- 35.
Mention what is the difference between the Observers and Callbacks in Ruby on Rails?
Answer:
- 36.
Explain what is Polymorphic Association in Ruby on Rails?
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- 37.
Explain what is Interpolation in Ruby?
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- 38.
What exactly are Harnesses and Fixtures in the Ruby?
Answer:
- 39.
What is the difference between &&, || operators and "and, or"?
Answer:
- 40.
Can you explain the difference between ActiveSupport’s “HashWithIndifferentAccess” and Ruby’s “Hash”?
Answer:
- 41.
What is the difference between symbol and string?
Answer:
- 42.
What Is The Difference Between Delete And Destroy?
Answer:
- 43.
What Is A Proc?
Answer:
- 44.
Mention what is the difference between calling super() and super call?
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- 45.
Practical test: Genres of music
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- 46.
Explain Ruby on Rails Exception Handling
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- 47.
What is the difference between string and text in Rails?
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- 48.
What is the Difference Between Gem And Plugin?
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- 49.
What is ActiveJob? When should we use it?
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- 50.
What Is The Difference Between "Save" And "Save!"?
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- 51.
Is Rails Scalable?
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- 52.
What are Strong Parameters?
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- 53.
What Do You Mean By Naming Convention In Rails?
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- 54.
Does Ruby Support Single Inheritance/multiple Inheritance Or Both?
Answer:
- 55.
What is Rack?
Answer:
- 56.
What Is The Flash?
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- 57.
How Many Types Of Callbacks Available In Ror?
Answer:
- 58.
Explain the difference between Page, Action, Fragment, Low-Level, SQL caching types.
Answer:
- 59.
What is the difference between content_for and yield?
Answer:
- 60.
How would you choose between Belongs_to And Has_one?
Answer:
- 61.
What Are Filters? And How Many Types Of Filters Are There In Ruby?
Answer:
- 62.
What is Dynamic Finders?
Answer:
- 63.
What sort of problems you have faced with Ruby on Rails and how do you think the same can affect the projects?
Answer:
- 64.
What is the best thing which you find about the Ruby on Rail so far?
Answer:
- 65.
How To Use Two Databases Into A Single Application?
Answer:
- 66.
What is a Rails engine?
Answer:
- 67.
Node.js vs Ruby on Rails. Which would you choose?
Answer:
- 68.
What is Asset Pipeline?
Answer:
- 69.
How To Find Second Max Element From Database?
Answer:
- 70.
How to check if a specific key is present in a hash or not?
Answer:
- 71.
How to rollback a specific migration?
Answer:
- 72.
How Do I Find Only Duplicate Entries In A Database Table?
Answer:
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