Explain about the defined operator?
Answer / Prem Kumar Singh
"The defined? operator in Ruby checks whether a given object is defined. It returns true if the object exists and false otherwise."
| Is This Answer Correct ? | 0 Yes | 0 No |
Explain about operators in Ruby?
Explain ruby class.
How does a symbol differ from a string?
Explain break statement in Ruby?
How to use sql db or mysql db. Without defining it in the database.yml
Explain Ruby if-else statement?
Tell me how you can list all routes for an application?
Describe class libraries in Ruby?
In how many ways items can be removed from array in Ruby?
What is the pattern matching operator in ruby?
Difference between render and redirect?
Explain retry statement in ruby.