Mention the differences between the observers and callbacks in ruby on rails.
No Answer is Posted For this Question
Be the First to Post Answer
what is active record?
What is a ruby singleton method ?
Explain dry in rails?
Explain me what is the function of orm in ruby on rails?
what the difference between static scaffolding and Dynamic scaffolding?
How many types of relationships does a model has?
What is unit testing (in classical terms)? What is the primary technique when writing a test ?
What is a webrick web server?
How do I find only duplicate entries in a database table?
What is the use of super in Ruby Rails?
How are blocks created?
Explain the features of ruby on rails.