How to Integrate ReCaptcha into a Next.js Form

ReCaptcha is a powerful tool provided by Google to combat spam and abuse in online forms. By adding ReCaptcha to your Next.js form, you can ensure that only real users can submit the form, while blocking bots and automated spam. In this tutorial, we will guide you through the process of integrating ReCaptcha into your Next.js form. Getting Started with ReCaptcha Before you can add ReCaptcha to your Next.js form, you need to create an account on the Google ReCaptcha website (https://www....

How to Interact with Events in a React Application

In a React application, managing events is made easy with React’s built-in event handling system. Say goodbye to using addEventListener! In this article, we will explore how to interact with events in React. Event Handling in React Event handling in React is similar to handling events in plain old JavaScript, with a few key differences. Let’s consider the following example from a previous article about managing state in React: const CurrencySwitcher = props => { return ( <button onClick={props....

How to Invert Colors Using CSS: A Guide to Making Elements and Images Dark Mode Friendly

Have you ever encountered a situation where you added a “black on white” image on a web page, only to find out that when switching to dark mode, the background changes to black while the image remains white on black? It can be frustrating, but fear not, as there is a solution using CSS. To address this issue, you can utilize CSS to automatically invert the colors of elements and images when dark mode is enabled....

How to Iterate Over Object Properties in JavaScript

Iterating over an object’s properties is a common task in JavaScript. However, you can’t simply use methods like map(), forEach(), or a for..of loop to iterate over an object. Attempting to do so will result in errors. For example, if you have an object called items with properties like 'first', 'second', and 'third', using map() on items will throw a TypeError: items.map is not a function. Similarly, using forEach() or a for....

How to Join the Apple Developer Program

If you want to distribute your apps through the Apple App Stores, you’ll need to join the Apple Developer Program. This program gives you access to the necessary tools and resources for publishing your apps successfully. In addition, it allows you to participate in private betas for macOS and Xcode. Here’s a step-by-step guide on how to join the Apple Developer Program. Visit the Apple Developer website and click on Account in the top menu....

How to Join Two Strings in JavaScript

Learn how to combine strings effectively in JavaScript. JavaScript provides a simple way to join two or more strings together. Here’s how you can do it: Using the + Operator: To join two strings, such as a name and a surname, you can assign them to a new variable called fullname using the + operator. Here’s an example: const fullname = name + surname; If you don’t want to create a new variable and instead want to add the second string to the first one, you can use the += operator....

How to Learn Multiple Programming Languages

When I announced my new SwiftUI series in an email newsletter, I received an interesting question: “How do you manage to learn several languages?” It’s a valid question, considering I have learned and used a range of programming languages like Pascal, C, Java, PHP, JavaScript, Objective-C, Go, Python, and Swift. But not all languages are created equal. While some languages may have unique quirks or be more low-level, the underlying fundamentals of variables, functions, loops, and objects remain consistent across most languages....

How to Learn Programming: A Comprehensive Guide

Are you interested in becoming a programmer? As a programmer myself, I can tell you that it’s an exciting and fulfilling career path. Whether you want to create websites, develop mobile apps, design games, or even automate your home, programming offers endless possibilities. In this blog post, I’ll guide you through the process of learning programming and provide you with some valuable resources to get started. Choose Your Field of Interest The first step in learning programming is to determine the field you want to work in....

How to Light a LED using Johnny Five

In this post, we will learn how to use Johnny Five, a JavaScript library, to communicate with electronic devices. Specifically, we will focus on lighting a LED. To get started, follow these steps: Create a new folder and initialize npm by running the command npm init -y. Install Johnny Five locally by running the command npm install johnny-five. Create a file named app.js and add the following code: const { Board, Led } = require("johnny-five"); const board = new Board(); board....

How to List All Databases Using PostgreSQL

When working with PostgreSQL, there are two ways to list all databases: using the psql tool or by executing an SQL query. Listing databases using psql To list all databases using psql, follow these steps: Open the psql tool. Type the command \list or \l and hit Enter. PostgreSQL will display a list of databases and templates. Here is an example of the database list: airbnbclone nextbnb postgres test In addition to databases, PostgreSQL also includes templates....