<ul><li>Ruby is an Object-Oriented programming language in which everything is an object.</li><li>Singleton Class, also known as Eigenclass, Anonymous Class, or Object-Specific Class is a hidden Ruby object.</li><li>Ruby Singleton Classes are responsible for class methods, allowing for adding methods to pre-defined objects.</li><li>The syntax def self.open and def my_home.lawn_situation access the Singleton Class of objects to add methods that only affect the respective objects.</li><li>By using the Singleton Class, we can override object methods to help us create some specs.}</li><li>Singleton Class is created only once and doesn't change its state across multiple calls.</li><li>As Ruby is an object-oriented language, understanding its features like the Singleton Class can help in avoiding errors and analyzing issues.</li><li>Experienced Ruby programmers can use the Singleton Class to write better code and for some advanced use cases.</li><li>Ruby Singleton Class is an essential concept that any Ruby developer should understand.</li><li>The understanding of the Singleton Class concept is a good starting point for learning more about the Ruby language.</li></ul>

The mistery of the hidden Ruby object called Singleton Class

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