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How to Avoid the Single-Threaded Trap in JavaScript

How to Avoid the Single-Threaded Trap in JavaScript

JavaScript is often described as single-threaded, which means it executes one task at a time. But does this imply that every piece of code runs in complete isolation, with no ability to handle other tasks while waiting for asynchronous operations like HTTP responses or database requests? The answer is no!

How to Create and Download Files of Unlimited Size in node.js/NestJS

Hey, folks! Have you ever wondered if it's possible to send a file of unlimited size to your users, all while giving them real-time feedback during the download process? Well, today, we're diving into exactly that. Let’s explore how we can achieve this in NestJS

Part 3/3: How to Implement Refresh Tokens through Http-Only Cookie in NestJS and React

Hello everyone, Welcome to the final episode of our three-part series on token management in a NestJS + React application. In the first two posts, we walked through the process of implementing refresh token logic by storing tokens in local storage. Today, we’ll advance to a more secure method by

Part 2/3: How to Integrate Refresh Tokens in React

Hello, guys! On the premise that our App is immune to XSS attacks, we will store both access & refresh tokens in the local storage. For this, we will use React which escapes any values embedded in JSX before rendering them, greatly helping us in countering XSS attacks. This is

Part 1/3: How to Implement Refresh Tokens with Token Rotation in NestJS

In this episode, we will learn how to implement refresh tokens using local storage as a strategy for storing both access and refresh tokens. If you want to jump directly to the GitHub repo, you can access it here. Prerequisites Before diving into this guide, it's important to

NestJS Dependency Injection in Worker Threads

There may be cases when you need to do CPU-intensive tasks on the backend like big JSON parsing, video encoding, compression, etc. If you have at least 2 cores in your processor's configuration you can run javascript in parallel for these tasks and not block the main thread

Part 3/3: How to deploy a production app to Kubernetes (GKE)

Part 3/3: How to deploy a production app to Kubernetes (GKE)

Introduction: This blog post is the final installment of a three-part series dedicated to scaling a NestJS chat app to handle millions of users. In the first two episodes, we discussed the scaling process and demonstrated how to deploy it locally using Docker and Minikube. However, in this final episode,

Part 2/2: Deploy Scalable NestJs Chat App to Kubernetes

Part 2/2: Deploy Scalable NestJs Chat App to Kubernetes

In our previous blog post, we explored how to write a scalable NestJS chat app using a distributed architecture and WebSockets for real-time communication. Building upon that, we will now dive deeper into improving the app's efficiency and deploying it on Kubernetes using minikube. If you're

Part 1/3: How to Scale a Chat App to Millions of Users in NestJS

Hello, in this guide, I will teach you how to scale a NestJS app to millions of users. Prerequisites: * Experience with JavaScript. * Experience with NestJS. * Experience as a backend engineer. Access the GitHub repository for this project here. To scale your app, you will need to scale horizontally by creating

Introducing Rabbit Byte Club: Elevating the Quality of Software Products

Are you passionate about exploring advanced software concepts and building high-quality digital solutions? Are you interested in joining a community that goes beyond learning, where you can connect, share ideas, and solve problems collaboratively? If so, I invite you to join Rabbit Byte Club, a growing community focused on empowering