harshalr.hashnode.devWhat is Potpie.ai and why it matters for developersHey Everyone :) Welcome back. Today we are going to learn about Potpie.ai Most developers do not struggle with writing code. They struggle with understanding code. Understanding a large codebase.Understanding why something was written a certain way.U...Feb 6·4 min read
harshalr.hashnode.devGolang’s Concurrency Explained Like You’d Explain It to a TeammateHey Everyone! Welcome back. Today we are going to learn about concurrency. When people talk about Go, one thing always comes up very quickly: concurrency. Not because Go is the only language that can do concurrent work, but because Go makes it feel n...Feb 6·4 min read
harshalr.hashnode.devBuild Your Own Visual AI App with VLM Run and Node.jsHello Everyone! Visual AI tools are transforming the way we build applications that understand images and documents. They let you extract meaningful data from files with just a few lines of code. In this tutorial you will build a simple Node.js app t...Dec 23, 2025·4 min read
harshalr.hashnode.devB3Networks Explained: Building Cloud-Native Telecom InfrastructureTelecom infrastructure has quietly been going through a transformation. What used to be hardware heavy, slow to change, and tightly coupled to physical networks is increasingly becoming software driven, API powered, and cloud native. This shift is no...Dec 21, 2025·4 min read
harshalr.hashnode.devWhat Is VLM Run?Most data in the world today is visual. We take photos of receipts, scan documents into PDFs, record meetings on video, and capture dashboards as screenshots. All of these visual formats are full of valuable information. But turning that visual infor...Dec 20, 2025·5 min read
