Zone of Development

by Damiano Abballe

C# – Tips for String

In this post, we will see some interesting methods to use with String. HOW TO REVERSE A STRING HOW TO REVERSE THE ORDER OF WORDS IN A GIVEN STRING HOW TO COUNT THE OCCURRENCE OF EACH CHARACTER IN A STRING HOW TO FIND ALL POSSIBLE SUBSTRING OF A GIVEN STRING HOW TO REMOVE DUPLICATE CHARACTERS […]

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React – Form

In this post, we will see how to create a Form in React in order to manage a login formed by Username, Password and UserType. First of all, we create a file called reactform where we will define the form: Then, we define two input HTML objects for handling Username and Password: Finally, we define […]

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React Native – First project using Expo Snack

In this post, we will see how to create our first React Native project, using Expo Snack. First of all, what is React Native?From Reactive Native web site:“Create native apps for Android and iOS using React.React Native combines the best parts of native development with React, a best-in-class JavaScript library for building user interfaces.You can […]

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React – How to add Bootstrap in a project

In this post, we will see how to add Bootstrap in the project created in the post: React – Fetch data in Class component. First of all, we install the last version of Bootstrap using the command npm install –save bootstrapThen, we delete the code used to define the table’s style in the file in […]

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SwiftUI – How to create a Splash Screen

In this post, we will see how to create a Splash Screen with SwiftUI. First of all, we create a “Single View App” project: Then, we add a SwiftUI file called Page1 where we will define our principal view: [Page1.swift] The view is very easy and simple but, it isn’t the main goal of the […]

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React – Fetch data using Axios

In this post, we will see how to fetch data in React using a library called Axios, modifying the application created in the post: React – Fetch data in Class component.Axios is a promise based HTTP client for the browser and Node.js and, it makes easy to send asynchronous HTTP requests to REST endpoints and […]

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Angular – How to pass values between components using @input and @output

In this post, we will see how to pass values between components using @input and @output. We start creating a project called PassData where, we will create two components called page1 and page2 and an entity called User:ng new PassDatang g c pages/page1ng g c pages/page2ng g class Entities/User First of all, we define the […]

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Design Patterns – Singleton

From Wikipedia:“In software engineering, the singleton pattern is a software design pattern that restricts the instantiation of a class to one ‘single’ instance. This is useful when exactly one object is needed to coordinate actions across the system. The term comes from the mathematical concept of a singleton.“ In this post, we will see how to implement this pattern in a .NET Console application. We […]

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Node.js – How to create a REST API

In this post, we will see how to create a Rest API with Node.js and Express. First of all, what is Express?Express is an open source web framework that helps us to make developing websites, web apps, & API’s much easier.It supports many templating engines and it is very simple to use. In order to […]

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Swagger – Tips

In this post, we will see some tips that can help us when we use Swagger.First of all, we open Visual Studio, we create a Web API project and add some files: [Book.cs] [BookController.cs] If we run the application, this will be the result: Now, we install the Swashbuckle.AspNetCore package, using the command Install-Package Swashbuckle.AspNetCore -Version 5.5.1 in […]

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