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Creating Bulletproof Validations in Ruby on Rails with Custom Validators [Part III]
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Alexandre Calaça's Blog
I'm a passionate software engineer with a deep love for turning complex problems into elegant solutions through code.
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Introduction to React Props
Components Introduction In order to truly understand props in React, we first need to be clear on what components are. A component is a reusable piece of the user interface that encapsulates structure, styling, and behavior. Instead of repeating the ...
From Github Codespaces to Repository: Step-by-Step Setup
Introduction Context By default, Codespace is using the GITHUB_TOKEN env var (the “Codespaces token”), which can’t create repos. It’s necessary to authenticate gh with a token/account that has the right scopes, or create the repo on the web first. Ob...
How to create a Git commit without a message?
Solution Here it is: git commit --allow-empty-message -m "" Explanation To create a Git commit without a message, or with an empty message, you can use the --allow-empty-message flag with the git commit command. git commit --allow-empty-message -m "...
Step-by-Step Guide to Forcefully Remove and Recreate Docker Containers
Steps Cleanup phase This phase’s goal is to removes existing containers, volumes, networks and images Stop and remove volumes docker compose down --volumes --remove-orphans The previous command stops and removes containers, networks, and default volu...
A Complete Guide to Uninstalling Docker completely on Pop!_OS and Ubuntu-based Systems
Steps Stop the service It’s not mandatory, but before uninstalling, it's a good practice to stop any running Docker services. sudo systemctl stop docker Remove docker packages It’s used to completely and forcefully remove a list of specified packag...
Introduction to functions in Javascript
Functions are one of the most important concepts in JavaScript. They allow us to organize code, avoid repetition, and make programs easier to maintain. Introduction What’s a Function? A function is a block of code designed to perform a specific task...
How to install Flameshot app on Pop!_OS?
Introduction Flameshot Flameshop is a powerful yet simple to use screenshot software. Features Customizable appearance; Easy to use. In-app screenshot editing. DBus interface. More features Pre-installation Check your OS (optional) This ste...
Step-by-Step Guide: Installing Amazon WorkSpaces on Pop!_OS
Solution Check your OS (optional) This step is just to make sure you have Pop!_OS installed. uname -a hostnamectl lsb_release -a cat /etc/os-release Output Update packages info sudo apt-get update Running sudo apt-get update is an important step ...