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 role of sub directory app/controllers and app/helpers.
what is the use of super function in ruby on rails?
What is the rail console?
What are rails validation used for?
Write the command to update rvm in rails.
Explain some features of nested scaffolding.
What is the difference between symbol and string?
Mention the log that has to be seen to report errors in Ruby Rails?
what is “Yield” in Ruby on Rails?
Explain me the log that has to be seen to report errors in ruby rails?
when self.up and self.down method is used?
Difference between gem and plugin?