AKAshaaf Khaninashaaf.hashnode.dev·2d ago · 11 min readWhat is Middleware in Express.js and How It Works: The Complete GuideImagine you are standing in line at an international airport, waiting to board an overseas flight. Before you ever set foot on the plane, you don't just walk straight from the curb to your seat. You g00
AKAshaaf Khaninashaaf.hashnode.dev·4d ago · 12 min readHandling File Uploads in Express with Multer: The Complete GuideThink about how a standard web page sends text data to a backend server. When you type your email and password into a login form, the browser packages those characters into a tidy string like email=us00
AKAshaaf Khaninashaaf.hashnode.dev·4d ago · 8 min readURL Parameters vs Query Strings in Express.js: The Complete GuideThink about how you navigate the web every single day. When you log into an online store and click on your profile, your browser address bar displays something like https://shop.com/users/42. You are 20
AKAshaaf Khaninashaaf.hashnode.dev·Jul 10 · 10 min readBehind the Illusion of Perfection: Why Your RAG Pipeline Fails in ProductionWhen Large Language Models first took the world by storm, they felt like magic. But developers quickly ran into a brick wall: these models were stuck in the past, bounded by strict "knowledge cutoffs"00
AKAshaaf Khaninashaaf.hashnode.dev·Jul 3 · 7 min readStoring Uploaded Files and Serving Them in Express: The Definitive GuideThink about the apps you use every day. Whether you are changing your profile picture on a social media app, uploading a PDF receipt to an expense tracker, or attaching a resume to a job board, file u00
