I was preparing a slide deck for a hackathon and decided to put in a QR code to allow people to connect with me. Naturally, I googled for a service and used it. It turns out that the code generated used a link that had an expiration time associated with...
I have been using npx a lot lately, especially whenever I want to use a CLI tool. It is an excellent alternative to installing packages globally since it installs them in a temporary cache instead. Even though it is installed in a temporary location, I figured it is a good...
While working on a project, I wanted to do an integrity check of a file that I was referencing. So, I needed to know how to get the hash of a file in Node.js. And this post is about that. We will use the fs and crypto modules that are available in...
Node.js 20.6 added built-in support for the .env file. This is an excellent addition to the platform and gives us the ability to load environment variables from .env files directly without using third-party packages. While it is great to see first-class support, some caveats remain. Let us look at how it works. Assuming that...
Object destructuring is a powerful ES 6 feature that can help developers write cleaner code. It allows us to extract properties from a JavaScript object into variables. If you are unfamiliar with it, read our post about object destructuring to know more about what is possible using it. When it...
Some new features in JavaScript are great to see, and the wake lock API is one of those. It allows us to interact with the host system and can help the developer instruct the operating system to keep the screen awake using JavaScript! This can be particularly useful for cases...
I recently tried to use __dirname inside a ES module. It turns out, that I cannot. It throws an error. So let us see how To Fix ReferenceError: __dirname is not defined. For people who do not know what it is, let us first discuss what __dirname is. __dirname is a global variable in Node.js...
The need to verify and notify the user if the Caps Lock key is on is fairly common. It is particularly significant when constructing password inputs because users do not realize they are typing with their caps lock on. Let us see how to detect caps lock with JavaScript to do...
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