Interested to Buy Any Domain ? << Click Here >> for more details...
Tell us in ruby, it explains about the defined operator?
- 1 Answers
- 9 Views
- I also Faced
- E-Mail Answers
Answer / Priti Vishnoi
The defined operator in Ruby returns information about a given method or variable. It can be used to check if a method is defined and loaded (defined?), if a variable is defined and assigned a value (defined? and instance_variable_defined? for instance variables).
| Is This Answer Correct ? | 0 Yes | 0 No |
In Ruby code, often it is observed that coder uses a short hand form of using an expression like array.map(&:method_name) instead of array.map { |element| element.method_name }. How this trick actually works?
In how many ways items can be removed from array in Ruby?
Tell me what is the difference between calling super() and super call?
Explain how Symbol is different from variables?
How to use ruby methods.
Explain about normal method class?
Tell us how would you implement hash in ruby internally?
What are the key features of ruby?
Explain the difference in scope for these two variables: @@name and @name?
Difference between nil and false in ruby?
What are the case statement in ruby?
what is the difference extend and include?
C 
