Ruby Guides
Ruby Guides
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Explain the concept of variable scope in Ruby and the differences between local, instance, and global variables.
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How can you create custom exceptions in Ruby, and what is their significance in error handling?
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What is the purpose of the ‘attr’ family of methods in Ruby, and how do you use them?
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What is the ‘ActiveRecord’ library in Ruby on Rails?
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How to work with databases in Ruby?
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What is the ‘Nokogiri’ gem in Ruby?
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How to parse XML and HTML in Ruby?
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How to use the ‘open-uri’ library in Ruby?
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