Handling File Uploads in Express with MulterFile uploads are everywhere in modern web applications. Think about features like: Uploading profile pictures Uploading resumes Product image uploads Document submissions PDF attachments At firMay 10 · 5 min readfile-uploads-express-multer-sspadwal.hashnode.dev
URL Parameters vs Query Strings in Express.jsWhen building APIs with Express.js, beginners often get confused between: URL parameters Query strings At first, both seem similar because both send data through the URL. Examples: /users/101 andMay 10 · 5 min readurl-parameter-query-string-express-sspadwal.hashnode.dev
Storing Uploaded Files and Serving Them in ExpressFile uploads are a very common feature in web applications.Think about apps where users upload: Profile pictures Documents PDFs Product images Resume files Uploading a file is only half the jobMay 10 · 5 min readfile-stoaring-serving-express-sspadwal.hashnode.dev
Async Code in Node.js: Callbacks and PromisesWhen learning Node.js, one concept appears everywhere : Asynchronous Code You’ll often see: callbacks promises async operations At first, this feels confusing. Questions like: Why doesn’t Node.jMay 9 · 5 min readasync-code-nodejs-callbacks-promises-sspadwal.hashnode.dev
Sessions vs JWT vs Cookies: Understanding Authentication ApproachesAuthentication is a core part of almost every web application. Whenever users log into apps like: Gmail Amazon Instagram Netflix the application needs a way to remember: “Who is this user?” ThMay 9 · 6 min readsessions-jwt-cookies-sspadwal.hashnode.dev
