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Generic RGB Profile
Object Oriented Programming
Object Oriented Programming
- What is a class? - How a class differs from module? - What is
- What is a class? - How a class differs from module? - What is an object? How to declare and use a constructor in Ruby? - How to create getter and setter methods? - How class differs from instance variables? - Name 3 ways to invoke a method in Ruby. - What does ‘self’ mean? - How (almost) anything is an object in Ruby? - What are singleton methods? - Describe Ruby method lookup path. - List Ruby callbacks. How are they used?
Business Applications
Business Applications
- Do you know what is CGI? What is common between Rack and CGI
- Do you know what is CGI? What is common between Rack and CGI? - Explain how Rack works? - How is the simplest Rack application look like? - How does Rack Middleware works? - What design pattern is beign used for Rack Middleware?
ruby gems
ruby gems
- What is RubyGems? - Describe the process of building your ow
- What is RubyGems? - Describe the process of building your own Ruby gem? - What structure does Ruby gem have? - What are your top 3 favorite gems? - Are rubygems secure to use?
ruby on rails
ruby on rails
- What gems is rails build with? What are their responsibilitie
- What gems is rails build with? What are their responsibilities? - What is Asset Pipeline? What alternatives can you name? - What caching types can you name? - What is RailsEngine? What are pros and cons of using it? - Why Rails is slower comparing to other frameworks? - How to scale Riby on Rails applications? - Why in production developers usually use nginx or other webserver together with Ruby on Rails application?
Routing, Controllers and Views
Routing, Controllers and Views
- What is REST? What is CRUD? - What template engines you know
- What is REST? What is CRUD? - What template engines you know? - What filters do you know in controllers? What are patterns for using them? - What is the purpose of the Strong Parameters? - How to speed up Ruby on Rails rendering? - How should you use content_for and yield? - What is correct way to handle long-running requests (5+ minutes)?
Active record
Active record
- Explain the Active Record pattern. - What is Object-Relationa
- Explain the Active Record pattern. - What is Object-Relational Mapping? - Describe Active Record conventions. - Explain the Migrations mechanism. - What are types of associations in Active Record. - What is Scopes? How should you use it? - Explain the difference between optimistic and pessimistic locking. - What are different types of association relationships that exist?
security issues
security issues
-Explain what is browser cookies?. How can we store data in co
-Explain what is browser cookies?. How can we store data in cookies? What potential problems could happen? -What is CSRF? What other ways to hack web application do you know? -What is SQL Injection? How to avoid them? -What is the best way to store user sensitive information (passwords. credit cards. etc...)? -What are pros and cons of HTTPS and HTTP2 when talking about security?
refactoring skills
refactoring skills
- What is code smell for you? - What are best tools to find cod
- What is code smell for you? - What are best tools to find code smells and potential bugs you have experience with? - Why should you avoid fat controllers? - Why should you avoid fat models? - Describe worst code you saw in your life. - Describe best code you saw in your carier. - What are your top 3 favourite design patterns?
personal qualities
personal qualities
- What interests you in this position? - Why you decided to do
- What interests you in this position? - Why you decided to do programming? - What did you dislike about your last job? - What did you enjoy most about your last job? - What is the project you are most proud of? - What is most important for you in a new position? - What do you expect from the employer? - What is your favourite book? - What is your favourite film? - What is your hobby? How do you spend your free time?
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