1. Instruments of Ruby on Rails Pavlo Mashchak July 09, 2011 Common facets and principles of Ruby on Rails model. And additional instruments for rapid development.

3. Developers strive for:

4. quality of code,

5. speed of development processes,

6. reliable code.

7. Ruby on Rails in corporate all of these.

9. http://gems.github.com/

10. Beside you own gem/plugins can be included into the project. Or even you can contribute to Rails if find some bugs.

11. RVM, gem Bundler.

12. RVM allows to install several Ruby versions on one machine and switch them by one command.

13. Bundler allows to manage dependencies within different gems and install them into the system ether freeze into the project. Instruments of Ruby on Rails

14. Instruments of Ruby on Rails rvm list, rvm install vim Gemfile bundle install

16. rails g scaffold articles title:string body:text

18. (Postgres, MySQL, MongoDB, Redis)

19. and many others.

20. ORM saves SQL code and allows to retrieve any instance associations from models. (Polymorphic, Single Table Inherited, eager joins etc.) This association generate 2 level join from Users table

23. You will always sure that you didn't break anything. And all features work as well.

24. Rspec Cucumber WebRat

27. Rails is agile

28. Rails is powerful and easy learning framework

29. Top - 50 Rails sites:

30. http://twitter.com/ [Ruby on Rails, Scala] 190 mln users 65 mln tweeting

31. http://www.slideshare.net/ 600 mln registered 45 mln month

32. http://basecamphq.com/ 1mln

33. http://www.courseadvisor.com/ 3.3 million unique visitors per month

34. http://www.adtaily.com/ 12 mln users and 65% market in poland

35. Instruments of Ruby on Rails Thanks for attention. If you have any Questions. Mailto: [email_address] Skype: pavlomashchak