PBPankaj Batrainpankajbatra.hashnode.dev·4d ago · 12 min readChat With Any YouTube Video — My ₹0 RAG App Is Now Live (Here's How the Frontend Works)Paste any YouTube link. Chat with the video. Get summaries, study notes, and quizzes — every answer grounded with clickable timestamps that jump the embedded player to the exact moment. It's live, it'10
PBPankaj Batrainpankajbatra.hashnode.dev·Aug 9 · 13 min readI Deployed a Full RAG Backend for ₹0/Month — Here Are the 3 Walls I HitI just shipped the backend for YouTube RAG Chat: paste a YouTube link, chat with the video, and get AI-generated summaries, study notes, and quizzes — every answer grounded with clickable timestamp ci00
PBPankaj Batrainpankajbatra.hashnode.dev·Aug 1 · 8 min readKafka for Engineers Who've Only Used REST: What Actually ChangesWhen I first read that Kafka was a "distributed event streaming platform," I nodded, closed the tab, and went back to writing REST endpoints. It took me a while to realize the problem wasn't Kafka. It00
PBPankaj Batrainpankajbatra.hashnode.dev·Jul 21 · 6 min readBuilding a Server-Driven Survey Engine in Flutter Without a WebViewEnterprise apps often need forms that change without an app-store release. New questions appear. Visibility rules change. Validation logic evolves. Dropdown options come from remote services. Nested s00
PBPankaj Batrainpankajbatra.hashnode.dev·Jul 13 · 4 min read5 Power Automate Design Mistakes That Make Your Flows Slow (And How to Fix Them)Power Automate makes it incredibly easy to automate business processes. You can connect forms, SharePoint, Outlook, Teams, SQL Server, and hundreds of other services with very little code. However, as00
