@shivang-16

Have you ever dealt with race conditions in your code?

Oct 19, 2024 · 3 min read · While working on one of the feature in Leadlly, a platform designed to help students organize and maintain their self-studies, I encountered an interesting issue that got me thinking about race conditions in code. The app is designed to generate new ...

How Payment Gateways Work: Complete Guide with Razorpay Integration in Node.js

Oct 18, 2024 · 5 min read · 1. What is a Payment Gateway? A payment gateway is a service that facilitates online payments between buyers and sellers. It acts as a bridge between the customer, the merchant, and the bank. Payment gateways securely transmit payment information for...

Decoding JWT: Authentication and Authorization in Node.js

Oct 16, 2024 · 6 min read · JSON Web Token (JWT) is widely used for handling authentication and authorization in modern web applications. JWT allows secure and compact transmission of information between parties as a JSON object, and this information is verifiable and trusted b...

Exploring Amazon S3 Pre-Signed URLs: A Scalable Approach to Secure File Access

Oct 14, 2024 · 9 min read · We know, as applications grow in complexity and usage, efficient, secure, and scalable data handling becomes crucial. Handling file uploads is a common requirement in web applications, especially in scenarios where users upload large amounts of data ...

Scaling Backend Servers with Messaging Queues: A Deep Dive Using BullMQ

Oct 12, 2024 · 9 min read · Scaling backend infrastructure is one of the most critical steps in handling growing traffic and ensuring smooth operation under heavy loads. As systems grow, a single server processing all the tasks synchronously can become a bottleneck. This is whe...