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Tiempo de lectura: 4 minutos The Model-View-Controller (MVC) is a software architecture pattern commonly used in the development of software applications, especially in web and desktop applications. This pattern is based on the principle of separation of concerns, which means dividing an application into three main components: Model, View, and Controller, each with specific responsibilities. Model: The Model represents the … Read more
Tiempo de lectura: 2 minutos Object-oriented software architecture focuses on designing and organizing software systems using principles and concepts of object-oriented programming. Unlike traditional architecture based on components or layers, object-oriented architecture is based on the idea of building systems as a collection of interconnected objects that collaborate to achieve the system’s goals. Below are some key concepts related to … Read more
Tiempo de lectura: 2 minutos Test-Driven Development (TDD) is a software development practice that focuses on writing automated tests before writing production code. The TDD development cycle follows three steps: writing a test, making it fail, and then writing the minimum code necessary for the test to pass. Below are the benefits and best practices associated with TDD: Writing Automated … Read more
Tiempo de lectura: 2 minutos The SOLID principles are a set of five software design principles that promote the creation of clean, maintainable, and scalable code. These principles were introduced by Robert C. Martin in his book “Agile Software Development, Principles, Patterns, and Practices” and are fundamental to object-oriented software engineering: Single Responsibility Principle (SRP): This principle states that a … Read more
Tiempo de lectura: 2 minutos Object-Oriented Software Engineering is an approach to software development based on the concept of objects, which are entities that represent data and behaviors. This tutorial will guide you through the fundamentals of object-oriented software engineering and how to apply them in your software development projects. Fundamentals of Object-Oriented Programming (OOP) Object-Oriented Programming (OOP) is a … Read more
Tiempo de lectura: 2 minutos Today we are going to create a custom widget called CustomDropdownButton, which is used to display a DropdownButton with selectable options. The widget accepts three parameters: import ‘package:flutter/material.dart’; import ‘../comun/Option.dart’; class CustomDropdownButton extends StatefulWidget { final Option selectedOption; final List options; final void Function(Option?) onChanged; CustomDropdownButton({ required this.selectedOption, required this.options, required this.onChanged, }); @override _CustomDropdownButtonState … Read more
Tiempo de lectura: < 1 minuto Good morning, today I show you a brief example of how it would be: <!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″> <meta name=”viewport” content=”width=device-width, initial-scale=1.0″> <link rel=”stylesheet” href=”styles.css”> <title>Numbered List</title> </head> <body> <ul class=”numbered-list”> <li>Item 1</li> <li>Item 2</li> <li>Item 3</li> <li>Item 4</li> </ul> </body> </html> By default, as we already know, this returns bullets. If … Read more
Tiempo de lectura: 4 minutos Today we are going to learn how we can implement Google authentication in our Flutter app. Let’s go to Google Cloud Platform (https://cloud.google.com/) and click on Console Now select our project (if we already have it created by Firebase) or create a new one. Now search for: oauth clients Choose External: Fill in the application … Read more
Tiempo de lectura: 2 minutos Today we’re going to learn how we can verify a token generated with Google Sign-In from a front-end client by sending it to the back-end. In this case, we’ll be using Python. Of course, here’s a step-by-step tutorial for validating a Google Sign-In token in Python using the google-auth library. Step 1: Install the google-auth … Read more
Tiempo de lectura: 2 minutos Let’s create a RadioGroup component composed of RadioButtons. First, we create the RadioGroup component. import React, { useState } from ‘react’; import RadioGroup from ‘./RadioGroup’; // Adjust the path according to your file structure import RadioButton from ‘./RadioButton’; // Adjust the path according to your file structure const YourComponent = () => { const [gender, … Read more
