Unlock the Hidden Power of Ruby With RubyGuides

One guide at a time you will learn a variety of Ruby topics & tools to help you become an expert Ruby developer.

There are a few articles out there about how to find memory leaks. But how about creating one? I think[...]

Everytime Ruby needs to request memory from the operating system it has to call the malloc function. This function is[...]

Time complexity is one of the most interesting concepts you can learn from computer science, and you don't need a[...]

Writing a C extension allows you to interact with Ruby from C. You may want to this if there is[...]

Have you ever wondered about the differences between symbols & strings? Let's talk about that! Strings are used to work[...]

Maybe you just heard about functional programming & have some questions. Like... What is functional programming exactly? How does it[...]

A string is just a sequence of characters. Since strings are objects they have a lot of methods you can[...]

In this article you will learn many different ways to write a Ruby loop. A loop lets you repeat some[...]

Nil... What is it, really? Well, nil is just a Ruby object. As you can see here: [crayon-5ade6aa4048ea697071522/] There is[...]

Ruby will intentionally hide some exceptions from you. Sometimes this can be useful. Like when using the Kernel#loop method with[...]

A prefix tree (also known as a trie) is a data structure that helps you organize a word list &[...]

If you are using Atom for Ruby development then you probably know that there are plugins (packages in Atom) that[...]

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