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Explain HTTP status codes you've worked with
- explain about 200/4XX/5XX
Abstarct classes in Ruby
How many DB can rails get connected to simultaneously
How to return more than one value from a ruby method
What does lib folder contain in rails ?
How can you auto load contents in lib folder automatically
what is rake
Why do you use bundle exec as a prefix before rake
what is bundler
What is RVM
What are the other Ruby web app frameworks you know
What are the different web servers you've worked with
What is the difference between lazy load / eager load. When will you use each ?
What is asset pipeline - explain about minification, fingerprint, pre process
Difference between require, include, extends

1. Differences between Rails 2 & Rails 3
2. How can you trigger an Ajax request using Jquery
3. Multiple inheritance in Ruby
4. Payment Integration
5. Amazon S3 knowledge
6. Multiple ajax upload
7. What is Rake tasks
8. Capistrano gem for deployment
9. Heroku deployment
10. Rails best practices
11. Improve performance
12. Difference between block, Proc and Lambda in ruby
13. Assets pipeline
14. RVM gemset
15. Difference between include, require
16. Load balancing

     
 
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