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What is a metaclass in Python and when would you actually use one?

A metaclass is the class of a class — it controls how classes themselves are created. Use them when you need to enforce constraints auto-register classes or modify class definitions…

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Can you explain the significance of Ruby’s object model, specifically how everything in Ruby is an object, and how that affects design decisions in an application?

In Ruby, everything is an object, including classes and even primitive types like integers and strings. This allows for a uniform approach to operations and promotes metaprogramming, enhancing flexibility in…

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