Author: ggerman

Software Developer | Ruby on Rails | Embedded Systems Enthusiast I’m a backend developer with 10+ years of experience building scalable systems and crafting robust APIs with Ruby on Rails, Python, and PHP. I thrive on delivering confident solutions, leveraging tools like AWS, Docker, and RSpec to ensure stability and performance. Beyond coding, I love blending hardware and software in IoT projects, creating innovative solutions with Arduino C++ and MicroPython. Always learning, always solving.

Building APIs in Ruby with Sinatra or Rails

November 12, 2024 Building an API (Application Programming Interface) is a common task in web development today. APIs allow different applications to communicate with each other, share data, and perform various tasks without a direct user interface. Ruby, one of the most flexible and developer-friendly languages, offers two powerful frameworks—Sinatra and Ruby on Rails—both of … Continue reading Building APIs in Ruby with Sinatra or Rails →

Automate, Test, Repeat: The Art of Blending Rake Tasks with RSpec

February 2, 2025 In the ever-evolving world of Ruby and Rails development, two tools often steal the spotlight: Rake, the silent workhorse automating mundane tasks, and RSpec, the meticulous detective ensuring your code behaves as expected. But what happens when you bring these two together? Magic. Let’s explore how combining Rake tasks with RSpec tests … Continue reading Automate, Test, Repeat: The Art of Blending Rake Tasks with RSpec →

Metaprogramming in Ruby: Unleashing the Magic of Dynamic Code

November 12, 2024 Ruby is celebrated for its unique ability to make coding feel almost magical, largely thanks to its flexible metaprogramming capabilities. Whether you're building DSLs or elegantly manipulating class structures, metaprogramming in Ruby unlocks new horizons. Here’s a deep dive into how you can harness this "magic" and take full advantage of Ruby's … Continue reading Metaprogramming in Ruby: Unleashing the Magic of Dynamic Code →

Ruby Operators and Methods: When Two Looks Aren’t the Same

December 4, 2024 Description: In Ruby, some operators and methods seem like they should do the same thing but actually behave quite differently. Understanding these subtle distinctions can help you write cleaner, more efficient code. In this article, we dive into Ruby's most common operator and method pairs that appear to be interchangeable but aren’t. … Continue reading Ruby Operators and Methods: When Two Looks Aren’t the Same →

Building a Simple Web Server in Ruby: A Beginner’s Guide

December 3, 2024 Ruby is a powerful, elegant programming language known for its simplicity and productivity. While it's often used for web development with frameworks like Ruby on Rails, it's also perfectly capable of running as a lightweight web server. In this article, we'll build a basic HTTP server using just Ruby's built-in socket library. … Continue reading Building a Simple Web Server in Ruby: A Beginner’s Guide →

Unlocking Ruby’s Object Capabilities: A Deep Dive

January 31, 2025 Ruby is a dynamic and flexible language that allows developers to interact with objects in powerful ways. Understanding how to query an object’s capabilities can help us write cleaner, more robust, and maintainable code. Let’s explore the key techniques for interpreting object capability queries in Ruby. Do you need more hands for … Continue reading Unlocking Ruby’s Object Capabilities: A Deep Dive →

Introducing Robocop: A Simple Middleware for Controlling Web Crawlers

November 11, 2024 In the world of web development, ensuring that your content is crawled, indexed, or ignored by search engines can be crucial for SEO and privacy. That's where Robocop, a simple yet powerful Rack middleware, comes in. What is Robocop? Robocop allows you to insert the X-Robots-Tag header into your responses, giving you … Continue reading Introducing Robocop: A Simple Middleware for Controlling Web Crawlers →

What’s New in Ruby on Rails 8.0: Key Features and Improvements

November 11, 2024 Ruby on Rails 8.0 is packed with new features and enhancements across various components of the framework, focusing on improved security, efficiency, and a refined developer experience. Here’s a rundown of the most exciting updates and features Rails 8.0 brings to the table. Major Highlights in Rails 8.0 Rails 8.0 introduces updates … Continue reading What’s New in Ruby on Rails 8.0: Key Features and Improvements →

Exploring FactoryBot for Rails Development

November 8, 2024 FactoryBot is a powerful tool designed to streamline the creation of test data in Ruby on Rails applications. Originally created by Thoughtbot, this tool replaces traditional fixtures with a flexible, easy-to-use syntax that allows developers to define factories for any object type in their application. FactoryBot simplifies building and setting up complex … Continue reading Exploring FactoryBot for Rails Development →