@sushil618

this keyword in Javascript and its relationship with arrow functions

Oct 21, 2025 · 5 min read · If you’ve ever found yourself scratching your head over this in JavaScript, you’re not alone.It’s one of the most misunderstood yet most powerful concepts in the language. We often hear that: “Arrow functions don’t have their own this — they inherit...

Detailed System Design of Spotify: Architecture, Scalability, and ABR (HLS/DASH) Streaming Lessons

Sep 15, 2025 · 11 min read · Designing scalable streaming platforms is one of the problems I like the most. I am obsessed with streaming platforms, both as a consumer and as a Software Engineer. Low latency streaming is one of the topics that always interests me and keeps me cur...

Optimizing Node.js Applications for Performance and Scalability

Feb 14, 2025 · 7 min read · Strategies to Handle High Traffic and Improve Efficiency To deliver a seamless user experience and maintain system reliability, it’s essential to build Node.js applications that are both robust and efficient. A well-optimized application can manage t...

10 Open-Source Tools for the LLM World

Dec 27, 2024 · 7 min read · The rapid advancement of large language models (LLMs) has sparked a surge of innovation in open-source tools, enabling developers to craft powerful AI-driven applications. From building chatbots to deploying generative AI solutions, these tools offer...

Node.js FS Module : Files, Directories, Streams

Dec 24, 2024 · 7 min read · Hey everyone, In this article, we’re going to dive deep into the fs module in Node.js and explore its capabilities in detail. The fs module, short for File System, is a built-in module in Node.js that provides a range of functionalities to work with ...