RKRaj Kiran Chaudharyinletslearn.hashnode.dev·46m ago · 3 min readA brief guide to Render Props PatternBefore diving into what Render Props Pattern is, understanding whatProps in React is crucial. Props (short for properties) are a way to pass data from a parent component to a child component. It is a 00
FAFADI ALHAMIDintapco-engineering.hashnode.dev·1h ago · 4 min readEngineering Stable Micro‑Economies Inside Telegram Tap‑to‑Earn Mini Apps Introduction Designing a Tap‑to‑Earn Mini App on Telegram is not just about creating a simple interaction loop. Behind every tap, boost, and referral lies a complex system of micro‑economy rules, back00
TGTwaran Guptaintwarangupta.hashnode.dev·1d ago · 5 min readOne New Server Shouldn't Take Down Your Database Consistent Hashing, Explained Like You're Five (Then Like You're an Engineer) It's a trick for sharing toys between friends without any fighting — and the same trick keeps Cassandra, DynamoDB, and hal00
ASAnik Sikderinaniksikder.hashnode.dev·6d ago · 7 min readPublish-Subscribe: How Modern Systems Scale Without Becoming a MonolithWhen an online order is placed, the customer sees a simple message: "Your order has been confirmed." Behind that message, however, an entire chain of events begins. The inventory must be updated. Th00
ASAnik Sikderinaniksikder.hashnode.dev·Jul 27 · 9 min readServer-Sent Events (SSE): When the Web Learned to ListenFor years, the web operated on a simple principle: Browser asks. Server answers. Connection closes. This model worked perfectly when websites were mostly documents. A user opened a page. The browser 00
DPDevesh Parmarinbackend-bytes.hashnode.dev·Jul 25 · 6 min readWhen Horizontal Scaling Creates More ProblemsOn October 21, 2018, GitHub's engineers were doing routine maintenance, swapping a piece of failing network equipment between their East Coast data center and a network hub. The swap caused a connecti00
ASAnik Sikderinaniksikder.hashnode.dev·Jul 24 · 4 min readPolling: When "Simple" Starts Sending Millions of RequestsImagine you're building a SaaS platform. Nothing fancy. Just a notification bell in the top-right corner. When someone receives a new message, completes a task, or gets assigned work, the bell should 00
SPSaurabh Prajapatiinblog.thitainfo.com·Jul 21 · 18 min readBuilding Scalable Systems: Caching, Rate Limiting, and ObservabilityBuilding Scalable Systems: Caching, Rate Limiting, and Observability TL;DR: Scaling isn't just about adding more servers. It's about protecting your system with intelligent caching, guarding your API00
ASAnik Sikderinaniksikder.hashnode.dev·Jul 20 · 7 min readPush vs Pull: A Decision About Where Complexity LivesMost engineers think Push is more advanced than Pull. It's an easy conclusion to reach. After all: Polling feels old. WebSockets feel modern. Realtime feels better than waiting. But some of the l00
DCDanny Crastoinblog.danwald.me·Jul 19 · 2 min readDesign a url shortnerA URL shortener is a proxy service that provides a mapping between the short and full representation of a URL. The short URL has the advantage of being small. The service can also provide useful analy31S