what is Ruby on Rails?
Explain me what is the role of rails controller?
What is the flash?
What is the difference between false and nil in ruby?
What does ruby name refer to?
What is rails script? Name some of them?
What is a proc ?
How are string and symbol different?
Where does the start_tabnav gets informations for tabs rendering in ruby rail?
What are the various components of rail?
Write the command to run the migration.
let me know what is ruby software and where and when it is usefull. Is it usefull to data base developer, if yes...where? thank you
Explain the advantages of ruby on rails?