Mastering NestJS: 10 Advanced Questions Every Senior Backend Engineer Must Conquer
1. How does Dependency Injection work in NestJS, and how would you implement a custom…
Interview Question
Javascript/Typescript
NodeJS
Tips
All topics
Javascript/Typescript
NodeJS
Tips
Boosting Backend Performance with Distributed Cache: A Comprehensive Guide
In modern software development, caching plays a vital role in enhancing performance, reducing latency, and…
All topics
7 Essential Caching Strategies to Boost Backend Performance and Scalability
1. In-Memory Caching Description: Stores frequently accessed data in the application’s memory, which speeds up…
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NodeJS
Realtime
Socket.IO
Tips
Mastering WebSocket Load Balancing: Unlocking the Power of Sticky IPs and Session ID Routing for Seamless Connections
Introduction In high-demand real-time applications like ride-hailing or booking platforms, maintaining a stable connection between…
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NodeJS
Socket.IO
Mastering Real-Time Scalability: Redis Solutions for Session Management and Load Balancing in High-Traffic Apps
Building a Load-Balanced Uber-like Application with Redis When building an application with similar requirements to…
All topics
AWS
Realtime
Socket.IO
Tips
How to Handle WebSocket Load Balancing Without Losing the Connection Thread
1. Sticky Sessions in the Load Balancer Example: NGINX Sticky Sessions http { upstream websocket_backend…
Generation
Javascript/Typescript
The Hidden Potential of Incremental Static Regeneration (ISR)
1. What is ISR? ISR (Incremental Static Regeneration) is a rendering strategy introduced by Next.js…
Javascript/Typescript
NodeJS
Tips
Mastering Node.js Performance: Unlock the Power of Worker Threads and Clustering
Node.js is known for being single-threaded, leveraging the event loop to handle asynchronous operations efficiently.…
NodeJS
Tips
Event Loop in Node.js: Managing Asynchronous Operations
Node.js is known for its non-blocking, asynchronous nature, and the event loop lies at the…
Database
MySQL
NoSQL
PostgreSQL
Tips
Mastering Databases: From Optimizing Queries to Distributed Systems
Databases are at the core of modern applications, from e-commerce to social platforms, powering billions…