Explain valid and invalid in rails?
No Answer is Posted For this Question
Be the First to Post Answer
How are observers and callbacks different from each other?
What is the difference between false and nil in ruby?
Explain testing in rails.
What is the difference between sessions and flash?
What are models in rails?
what the difference between static scaffolding and Dynamic scaffolding?
What are generators in ruby on rails?
What are filters? and how many types of filters are there in ruby
What does ruby name refer to?
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
what is active record?
What is the role of mvc architecture in ruby on rails?