Archives

The Importance of Having a Developer Blog: Reasons and Tips to Stay ConsistentHaving a developer blog can be incredibly beneficial for a number of reasons. In this post, we will explore why every developer should have a blog and how to main ...

A Beginner’s Guide to the history Command in LinuxThe history command in Linux allows users to view their command line history, making it easy to recall and reuse past commands. Whether you’re a seasoned Linux user or just starting out, und ...

Linux Commands: du - A Quick Guide to Calculating File and Directory Space UsageThe du command is a powerful tool in Linux that allows you to determine the space usage of files and directories. By using this command, you can easily find out ...

Linux Command: suIn this blog post, we will explore the su command in Linux, which allows you to switch the shell to another user. This can be particularly useful when you need to perform certain tasks or access files associated with a diff ...

The Arduino Uno WiFi rev 2: A Powerful Microcontroller BoardThe Arduino Uno is the go-to microcontroller board for many developers. As the reference version of Arduino, it sets the standard for performance and functionality. The latest offi ...

Tips for Effective LearningAs developers and software engineers, continuous learning is an essential part of our lives. With the ever-evolving technology landscape, it’s crucial to learn new skills and stay up-to-date with the latest trends ...

How to Hide a File or Folder in macOS FinderAs a macOS user, you may sometimes come across unnecessary system folders, such as the “Public” folder, in your home directory. Although you can’t delete these system folders, you can hide them fr ...

How to Resolve the TypeError: resolver is not a function Error in ReactWhile working on a Next.js/React application, you might come across a puzzling error message like this one: 1TypeError: resolver is not a function Fortunately, the ...

How to Transition from Tutorial Dependency to Active Problem SolvingAt some point in your journey to learning a new skill or programming language, there comes a realization: You possess the knowledge necessary to embark on the project you ...

How to Ensure the Raspberry Pi Always Has the Same IP Addresstags: [“Raspberry Pi”, “static IP address”, “DHCP”, “MAC address”, “network configuration”] In this guide, I will walk you through the process of configuring your router to assign ...

Linux commands: kill - A Quick Guide to Sending Signals to ProcessesIn the world of Linux, processes can receive signals and react to them. This is one way we can interact with running programs. The kill command is a powerful tool that allo ...

How to Make Your S3 Buckets PublicI recently wrote a tutorial on how to upload an image to S3, but I encountered an issue when the uploaded image couldn’t be accessed publicly in read mode. If you’re facing the same problem, don’t worry. I’ ...

Go Data Structures: SetIn this technical blog, we will analyze and implement the Set data structure in Go programming language. A Set is a collection of values that allows various operations such as iteration, addition, removal, size retrie ...

How to Use the useRef React HookDiscover the practical uses of the useRef React hook and learn how to effectively use it in your projects! If you’re new to React hooks, make sure to check out my React hooks introduction first. One of the us ...

How to Make Responsive JSX in ReactI recently had the need to create a responsive sidebar in React that appears differently on large screens compared to smaller screens. In order to achieve this, I wanted to find a way to detect changes in ...

Linux Commands: nohupIn this blog post, we’ll explore the nohup command, which is used to run processes that continue even after the terminal is closed or the session is terminated. Whether you need to run a long-lived process on a remote m ...

The HTML audio tagLearn the fundamentals of using the HTML audio tag The audio tag in HTML is used to embed audio content in web pages. It allows you to stream audio from sources like a microphone using getUserMedia() or play an audio file ...

The PEP8 Python Style Guide: Writing Code with ConventionsWhen writing code, it is essential to follow the conventions of the programming language you are using. Adhering to these conventions not only helps you understand code written by ot ...

JavaScript Ternary OperatorIn this blog, we will explore the fundamentals of the JavaScript Ternary Operator and understand how it can be used as a concise way to express conditionals. The ternary operator is a unique operator in JavaScript ...

Handling Null Values in SQL DatabasesIn SQL databases, it is important to properly handle null values, which are empty or missing data. Here are some tips on how to handle null values effectively. When creating a table, you can define const ...

Understanding the Differences: event.stopPropagation(), event.preventDefault(), and return falseWhen it comes to handling DOM events in JavaScript, it’s common to get confused about when to use event.stopPropagation(), event.preventDefault( ...

The Importance of Immutability in React: ExplainedIn the world of React, immutability is a significant concept that plays a crucial role in the development process. Whether you agree with it or not, React and its ecosystem strongly encourag ...

How to Use Composer and Packagist in PHPComposer is a PHP package manager that simplifies the process of installing packages into your projects. By using Composer, you can easily add libraries and dependencies to your PHP projects. In this ...

The setPrototypeOf() Method in JavaScriptLearn all about the setPrototypeOf() method in the JavaScript Object object. Setting the prototype of an object is made possible with the setPrototypeOf() method. To dive deeper into JavaScript Proto ...

How to Simultaneously Push to 2 Repositories and Keep Them in SyncIf you find yourself needing to have two GitHub repositories with identical content and want to effortlessly push your changes to both, I have a solution for you. Here’s what ...

Handling Promise Rejections: Best PracticesPromises have greatly improved JavaScript in recent years, allowing us to handle asynchronous operations more efficiently. When working with functions that return promises, it’s important to know h ...

How to Resolve the Chrome Blue Noise/Lines Rendering IssueToday, I encountered an unusual problem on my MacBook Pro 16” 2019 when I woke it from sleep. The Chrome browser displayed strange blue noise/lines on the screen, as shown ...

Diodes: An Overview of Electronic ComponentsIn our previous discussion, we explored Light-Emitting Diodes, which emit light when sufficient current and voltage are applied. Now, let’s delve into the broader concept of diodes. A diode is a s ...

How to Use or Execute a Package Installed Using npmLearn how to include and use a package that you have installed using npm into your Node.js code. When you install a package using npm, it gets saved into your node_modules folder. But how d ...

How to Rerender a Svelte Component On DemandToday, I want to share with you a solution to a problem I encountered recently: how to rerender a Svelte component on demand and, in particular, how to rerender it when I want to run a function pr ...

Introduction to create-react-app: The Easiest Way to Start a React ApplicationCreate-react-app is a powerful tool that allows developers to quickly start building React applications without having to deal with complex configurations. It pro ...

How to Deep Clone a JavaScript ObjectWhen it comes to copying objects in JavaScript, it can get tricky, especially if you want to perform a deep clone. Deep cloning ensures that not only the primitive types like numbers and strings are copi ...

Understanding JavaScript Error ObjectsJavaScript has 7 error objects that are raised in a try/catch expression, depending on the type of error. These error objects are: Error EvalError RangeError ReferenceError SyntaxError TypeError U ...

Arduino Project: Using the tone() Function for Buzzer MusicThe tone() function in Arduino is a useful tool for playing notes on passive buzzers. By combining multiple calls to the tone() function, we can create melodies and play songs. To ...

What is Serverless and Why Should You Care?Serverless is a term that refers to a specific way of running programs without the need to manage your own server. Instead, you create a function and store it on a cloud server, which gives you a U ...

Setting up Git SSH keys for secure authenticationWhen working with Git using the command line, the most common and secure way to handle authentication is through the use of SSH keys. This guide will walk you through the process of setting u ...

Python Tuples: An IntroductionTuples are a fundamental data structure in Python that allow for the creation of immutable groups of objects. Once a tuple is created, its values cannot be modified, added, or removed. Tuples are created using ...

The Importance of Timing When Working with the DOMWhen working with the DOM, it is important to understand the concept of timing. One crucial detail that may not be immediately apparent is that when you access the value of a DOM element and ...

How to Read Environment Variables from Node.jsLearn how to read and utilize environment variables in a Node.js program. Environment variables are incredibly valuable as they allow us to avoid hardcoding sensitive information, such as API ke ...

Quotes in JavaScript: An OverviewIn JavaScript, there are three types of quotes that can be used: single quotes, double quotes, and backticks. While single quotes and double quotes are essentially the same, there is a slight difference when ...

Understanding HTTP Cookies and Their FunctionalityHTTP cookies are a fundamental aspect of the Web that enable sessions and help recognize users during their browsing experience. IntroductionCookies allow the exchange of information between ...

Next.js: Troubleshooting Component State Not Refreshing on Navigationtags: [“Next.js”, “useState”, “useRouter”] I recently encountered an issue where the state of a component was not getting refreshed when navigating with the Next.js router ...

The UNIX Filesystem CommandsA concise guide to understanding and utilizing the UNIX filesystem commands in an efficient manner. Introduction This guide provides a comprehensive overview of the UNIX filesystem commands, with a focus on macOS ...

The Object create() Method: A Complete GuideLearn all about the create() method of the Object object in JavaScript. Introduced in ES5, the create() method is used to create a new object with a specified prototype. UsageTo use the create() m ...

How to Resolve a “cb.apply is not a function” Error in GitbookI regularly use Gitbook, a Node.js software that converts a set of markdown files into an ebook. Recently, while trying to generate a PDF using the command gitbook pdf ., I encou ...

Arduino Project: Generating Sound with a Passive BuzzerIn this Arduino project, we will be using a passive buzzer to generate sound. Similar to the active buzzer example, you will need to connect the buzzer to the Arduino. The buzzer has a ...

Linux Command: unameIn this blog post, we will explore the uname command and its various options, which are used to retrieve information about the current machine and the operating system running on it. By calling uname without any options, ...

How to Serve an HTML Page using Node.jsLearn how to easily serve an HTML page using Node.js without any dependencies. Recently, I came across a requirement to serve an HTML page from a Node.js server. After some research, I found the simple ...

Working with Reactive Statements in SvelteLearn how to effectively use reactive statements in Svelte to listen for changes in component state and update other variables. In Svelte, you can easily track changes in component state and update ...

How to Detect Dark Mode Using JavaScriptDetecting dark mode and mode changes using JavaScript CSS provides a way to detect dark mode using the prefers-color-scheme media query. But what if we need to use JavaScript? I recently encountered t ...