Did you know that marketers (and even hackers) can use images to track you in your email inbox? Here’s how so-called tracking pixels work: Someone creates an image and host it on their server. Often a transparent 1×1 “tracking pixel” that you don’t even see.They send you an email
Category Archives: Uncategorized
We’re expanding freeCodeCamp’s Python section into a full-blown data science curriculum. Currently, these data science skills are only taught at a few universities around the world. Our goal is for anyone, anywhere to be able to learn these advanced mathematics and machine learning concepts that data scientists use in the
Hey everyone! In this article, I’m going to show you what’s new in the latest of version of React – React 18 – in under 8 minutes. First, you might be wondering whether the latest set of changes will break anything with your current setup, or whether you will have to learn
When you use code snippets in Visual Studio, it can make your coding process a lot easier and faster. But what are code snippets? And how can you use them? In this article, we’ll look at how you can create code snippets in C#. Just keep in mind that snippets
If you look at any website or application today, somewhere under the hood there is a database. After all, we live in the world of Big Data. And the volume of data is growing exponentially. With so much data at hand, we need ever more sophisticated ways to store it
This post will show you how to build the Feature Toggle mechanism in your Next.JS application. We are going to use Next.JS, React, and TypeScript. We will deploy our application to Vercel to demonstrate the real-life example. You can find the code and video in the summary at
Developing web pages used to involve writing HTML, CSS, and a little scripting code like JavaScript for functionality. But over time, we’ve developed new and more advanced technologies and frameworks to create webpages. We now use things like reusable components, routing, and rendering to the document object model (DOM). These
We just published demos of several upcoming freeCodeCamp features and community initiatives. You can read about them here, and watch the entire Summit in the video embedded below. Here’s what we cover in this jam-packed one hour community update.Announcement #1: Campfire ModeWe’ve built a new mode where you can
In this article, I’m going to show you how to theme your website so users can customize certain elements to their tastes. We’ll talk about website themes, how theming works, and we’ll end with a demo so you can see it in action. Let’s dive in. Table of Contents:What
Listing items on a web page is a common task you’ll have to do as a web developer. You may have to list shopping cart items, the order of students based on their grades, dogs with the loudest bark – and so on. So you need to know the different ways