What is ruby software and where and when it is usefull.
What are the key features of ruby?
How many iterators are there in ruby?
how many ways you can create a concatenating string?
How is visibility of methods changed in ruby?
Explain ampersand parameter (&block) in Ruby?
How to check whether a directory exist or not in Ruby?
Who is the developer of Ruby?
Explain about garbage collection feature of ruby?
Mention what is the difference between a gem and a plugin in ruby?
Tell me how symbol is different from variables?
What is a symbol in ruby?
What is rvm?
What are ruby blocks.
How can you removed from array in ruby?