I’ve been using Safari as my default browser for several months now and I can confidently say that Safari is a great browser, especially for users invested in the Apple ecosystem. In this blog post, I want to share why I think Safari is such a fantastic browser. Please note that this is solely my opinion and I don’t aim to convince you to switch to Safari. Sign in with Apple: One feature that I absolutely love is “Sign in with Apple....
While browsing Hacker News, I came across a thought-provoking question: Why have a blog? Why maintain a public website for others to read? I have been blogging since 2007 in various forms, starting with an Italian web development blog, then abandoning it, and finally restarting in English with no serious intentions. However, in 2018, I embraced blogging wholeheartedly. Over the past 5 years, I have consistently maintained my blog, apart from occasional breaks to focus on other projects....
LCD screens are versatile components that can be used in a variety of projects. In this guide, we will learn how to work with an LCD screen using the Johnny Five library. Let’s get started! Getting Familiar with the LCD Screen The LCD screen we will be using is the 1602A model, which has 16 pins. Here is how it should be wired: Pin 1: 0V Pin 2: Potentiometer (backlight control) Pin 3: 5V Pin 4: Arduino Pin 7 Pin 5: 0V Pin 6: Arduino Pin 8 Pin 11: Arduino Pin 9 Pin 12: Arduino Pin 10 Pin 13: Arduino Pin 11 Pin 14: Arduino Pin 12 Pin 15: 5V Pin 16: 0V Wiring the LCD Screen To control the backlight, connect the middle pin of the potentiometer to the LCD screen, the left pin to 0V, and the right pin to 5V....
CSS comments can be a useful tool when working with CSS files or in the <style> tag in the page header. They allow you to add descriptive text or notes within your code without affecting the rendering of your web page. In this article, we will explore how to use comments effectively in CSS. Syntax of CSS Comments CSS comments follow the C-style (or JavaScript-style) syntax, using the /* */ tokens....
In this blog post, we will discuss how to work with Docker images from the command line. Docker images are essential for running containers and encapsulating your applications in a portable and efficient manner. To list all the images you have downloaded or installed, you can use the following command: docker images -a This command will provide you with a list of all the Docker images on your system, including their names, tags, sizes, and creation dates....
The uniq command is a powerful tool used for sorting lines of text and working with duplicate records. Whether you need to extract duplicate lines from a file or process the output of another command using pipes, uniq has got you covered. To get started with uniq, keep in mind that it detects adjacent duplicate lines by default. This means that combining it with the sort command will yield the best results:...
Learn how to work with events in Svelte Listening to DOM events In Svelte, you can define a listener for a DOM event directly in the template using the on:<event> syntax. For example, to listen to the click event, you can pass a function to the on:click attribute. Similarly, for the onmousemove event, you can pass a function to the on:mousemove attribute. Here are some examples: <button on:click={() => { alert('clicked') }}>Click me</button> <script> const doSomething = () => { alert('clicked') } </script> <button on:click={doSomething}>Click me</button> It is generally better to define the handling function inline when the code is not too verbose, typically 2-3 lines....
Learn how to interact with folders using Node.js and the fs core module. Discover methods for checking if a folder exists, creating a new folder, reading the content of a directory, renaming a folder, and removing a folder. Check if a folder exists To check if a folder exists and if Node.js has access to it, use the fs.access() method. const fs = require('fs'); const folderPath = '/path/to/folder'; fs.access(folderPath, (err) => { if (err) { console....
In this article, you will learn how to effectively work with HTTP headers using Express. HTTP headers play a crucial role in web communication as they contain important information about the request and response. Accessing HTTP Header Values from a Request To access all the HTTP headers of a request, you can utilize the Request.headers property. Here’s an example: app.get('/', (req, res) => { console.log(req.headers); }); If you only need to access a specific header’s value, you can use the Request....
Learn the basics of handling keyboard events in JavaScript to enhance your web applications. There are three main types of keyboard events: keydown - Triggered when a key is initially pressed down. keyup - Fired when a key is released after being pressed down. keypress - Deprecated event, rarely used in modern development. When working with keyboard events, it is common to listen for them on the document object. Here’s an example:...