Full-length articles about software engineering

How ActiveRecord decides when to preload and when eager load records

Published outside June 30, 2022

Which two methods do Active Record use under the hood of the includes method?

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How Active Record overwrites standard Ruby methods for counting array elements

Published outside June 17, 2022

It may appear that counting records in a database with ActiveRecord is pretty simple. Well, it is true, but only if you understand the differences between the size, ...

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5 Tips to Design Ruby on Rails Transactions the Right Way

Published outside March 30, 2022

This article offers a set of good practices for working with transactions. The tips are pretty simple, but they will help make your transactions bulletproof, readabl...

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Import Maps Under the Hood in Rails 7

Published outside March 2, 2022

Import maps is the new feature in Rails 7 that allows us to say goodbye to Node.js and tools like Webpack. There's no need for bundling anymore

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Ruby 3.1 – what is new?

Published outside February 17, 2022

Ruby 3.1 is strongly focused on improving the performance of both the development process and the final product. Discover what’s changed in the latest Ruby release!

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SOLID principles

January 18, 2022

This article is a quick summary easy to memorize, so you will never wonder again what this SOLID term is all about.

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Five things you did not know about Rails transactions

January 4, 2022

Transactions in Rails are an integral part of the framework, even if you don’t use them explicitly. Sometimes the way they work may be surprising, especially if you ...

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Rails 7 - what is new?

Published outside December 30, 2021

The 7.0 release brings Rails closer to the ideal of ‘The One Person Framework’. What does it change for existing web apps and brand new products?

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Rails enum under the hood

November 2, 2021

Have you ever wondered how the enum is working under the hood and how it’s possible that we get access to more valuable methods that we don’t define directly with th...

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Intro to web scraping

October 26, 2021

This article introduces web scraping with Ruby, based on my ten years of experience in writing automation scripts. But it’s just a beginning; there is a lot more to ...

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