Learn how to design resilient event-driven systems that scale. Explore key patterns like shuffle sharding and decoupling queues to handle load spikes and failures. Understand common pitfalls like over ...

Discover the latest web development trends for 2025. Explore cutting-edge frameworks, AI integration, performance ...

1 In this post, we’ll look at when to use asynchronous communication—and when it’s actually not the best way to work. We’ll also have plenty of examples to show you how to use the right tools and apps ...

in JavaScript, a piece of code might request data from a server. Instead of stalling everything until the data arrives, the code can execute other tasks, and once the data is available, a callback ...

Developers use JavaScript promises to model asynchronous operations in web and server-side programs. Here's a quick look at five ways to use promises in your code. Promises are a central mechanism ...

Callbacks were the only natively supported way to deal with async code in JavaScript until 2016 ... to coordinate multiple layers of execution. Asynchronous functions that use callbacks take ...

⚠NOTE⚠: only one instance must be created and it must be outside any function, as shown in the example above. ⚠NOTE⚠: The default timer capacity is 10, if you wish to increase it, you have to use ...