In this article, I'll cover Chain of Responsibility pattern. We will learn how to implement it using Ruby and discover when this pattern is applicable in Ruby apps.

In this article, we will cover Proxy pattern and its types. We will implement each of them using Ruby.

Hello! I'm back from my lovely trip to San-Francisco and eager to keep writing more articles for this blog. Today we will try to figure out the difference between mocks and stubs.

We all work with arrays on daily basis. It's quite easy to start using arrays, no problem with that. But there are some interesting methods and behavior that I wanted to cover in this post.

Naming things it's a hard task. Once you named something in the system, you want to follow this naming convention. Especially it's important if term comes from domain experts. But it's not that easy to keep naming right when you have to deal with third-party APIs or microservices.

When developers switch to a new language, that's one of the questions they try to figure out: does it pass arguments by value or by reference? Ruby has a quite interesting answer to that question so let's find out how it works.

Hello everyone. In this blog we talk a lot about the quality of code: Patterns, Object-Oriented Design, SOLID principles, etc. Week ago I started to think about the tools we have that help us to measure and improve quality of code. That's how I came up with the idea of a survey: "Code Quality Tools". In this article I would like to share results of that survey with you.

Hi guys, today we will go through the idea of Inversion Of Control (IoC) by really interesting example: Hanami::Events gem.

In Rails 5 each migration class is inherited from ActiveRecord::Migration[5.0]. It looks quite unusual to see that [5.0] part at the end of the parent class. In this article I'll describe why we might need it and how it works.

This is the last article on SOLID principles and today we're going to talk about Dependency Inversion Principle.

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