Web Development Articles

Mastering the art of web development and software engineering.

La palabra 'SOLID' esculpida en grandes letras de piedra rugosa, con la letra 'S' resaltada en rojo.

Software Design

Single Responsibility Principle

A single sphere of light generates a cascade of multiple lines of energy that branch out against a dark background.

The N+1 Query Problem in Active Record

Abstract illustration of a ruby with a green check mark, symbolizing testing in Ruby.

Testing in Ruby: From Scratch to Minitest and RSpec

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Sinatra Tutorial: Building a To-Do Application

A URL shortener, where a gray arrow with a long URL passes through a large red gear with rubies and emerges as a shorter blue arrow with a short URL

Build Your Own URL Shortener with Rack

Illustration of a shelf containing glowing ruby gems connected by a red cable to a futuristic server and laptops, symbolizing persistent connections in Ruby Rack applications

Persistent Connections in Ruby: Streaming Bodies, SSE, and WebSockets with Rack

Futuristic metal shelf with glowing red rubies connected to industrial machines with cables in a dark laboratory

Rack for Ruby: The Complete Beginner’s Guide

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ERB: Embedding Ruby in HTML

Three library sections with wooden bookshelves, filled with books

Using Ruby Libraries

Broken ruby

Do Not Use the System Ruby on macOS

Miners extracting vivid red rubies from rocky walls in a dimly lit underground mine, surrounded by tools and wooden beams.

Install Ruby: A Step-By-Step Guide

Installing and Using Tailwind CSS 4.0

Two cookies on a light background: one is a chocolate chip cookie, and the other is a sugar cookie with colorful sprinkles. Crumbs and small pieces of chocolate are scattered around them.

How to Implement a Cookie Bar in Ruby on Rails

Hand planting seeds into a small potted plant, with another potted plant in the background, set in a bright, colorful garden scene.

Seeding a Database in Ruby on Rails