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A set is a class that can hold items in a similar way that an array does... ...but with some[...]

If you'd like to get information from a website, or if you'd like to submit forms, upload files... ...you'll need[...]

Would you like to learn how to write tests for your Ruby applications using RSpec? Then you're in the right[...]

Ruby has a lot of interesting operators, like the spaceship operator (<=>), the modulo assignment operator (%=), and of course[...]

I got an email asking for my opinion about when to use keyword arguments. I thought I'd expand my answer[...]

Following my last article, why do we use nil, I thought it'd be a good idea to ask this question[...]

I was having a chat with a friend about a piece of Ruby code & the topic of return values[...]

Have you ever wanted to create a class that can only have one instance? No? Me neither. But that's exactly[...]

A very important topic in object-oriented design is cohesion & coupling. Cohesion is about the relationship between all the methods[...]

Let's talk about the strategy design pattern! This design pattern helps you change the main algorithm inside a method. You[...]

The decorator design pattern... What is it, and how can you use this pattern in your Ruby projects? The decorator[...]

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[...]

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