Creating a TypeScript class to send requests in batches — Rate limits are an important part of API security, helping to prevent malicious activity and reduce strain on server resources. However, for API users, they can also create headaches — and it’s not only less-than-perfect code that creates problems. …

React Hooks, CSS, and the Intersection Observer API — One of the most common effects in brochure websites is a fade-in or float-in animation that occurs during scrolling, shortly after the element enters the user’s screen. To achieve these effects, developers typically reach for an animation library. But for most websites, there is no need for this additional overhead! …

Learn how to integrate Bugsnag into a Strapi v4 project via a global middleware function — In this tutorial, we’ll explore how to add Bugsnag to a Strapi project. Background Bugsnag is a useful tool for monitoring and reporting bugs. Strapi is a powerful headless CMS. Its most recent version, v4, introduced significant changes to the structure of the project, meaning that older tutorials (such as this…

Handy shortcuts I spotted during pair programming — One of the best things about pair programming is that you get to see the shortcuts and tricks that other programmers use to speed up their workflow. Even though I have been using VS Code for a while — and even wrote an article about my favorite web development features…

How a popular psychology hypothesis is being misrepresented online — From the media to the workplace, it’s easy to spot people with an overinflated sense of their own ability. This phenomenon is explained by the Dunning-Kruger effect, a hypothesis that people who are bad at a task or skill have a cognitive bias towards thinking they’re better than they are. …

The power of parallel when writing asynchronous JavaScript — and the traps to look out for! — In many web development projects, important functionality depends on asynchronous code — whether that’s making HTTPS requests to an API, querying and updating a database, or managing time-sensitive tasks like reading large files. But are you making sure that your asynchronous code is optimised to run as efficiently as possible?

Things I didn’t find in any tutorial — I have now been paid to write code for over two years. In that time, my views about programming have changed a lot. For me, the most important lessons weren’t about learning the intricacies of a particular language or framework. Instead, my biggest mental shifts have been more about understanding…

Numeric separators, Logical assignment operators, and more — Since 2015, JavaScript has enjoyed yearly language updates. 2021 is no different: this year, several new features reached Stage 4 of the TC39 Process and are already available in Node.js and most major modern browsers. In this article, we’ll look into four of the most important new features. We’ll cover…

How to implement them and whether they’re actually useful — A singleton is a function or class which can have only one instance. It’s a design pattern popularised by the “Gang of Four” in their influential Design Patterns. However, the singleton is one of several patterns in the book which have been criticised. Some are regarded as anti-patterns, while others…