KSKanishka Shashiinnodej.hashnode.dev·10h ago · 11 min readState Management in React: Context API, Prop Drilling, React.memo, useMemo, and useCallbackWhy Does Managing State Become Difficult as Applications Grow? Imagine you're building a simple React application. It starts with just a few components—a login page, a navigation bar, and a dashboard.00
KSKanishka Shashiinnodej.hashnode.dev·10h ago · 11 min readBuilding Scalable Systems: Caching, Rate Limiting, and ObservabilityWhat Happens When Your Application Suddenly Gets One Million Users? Imagine this. You launch a new product after months of development. Marketing campaigns go live, influencers start talking about it,00
KSKanishka Shashiinhtml-dev09.hashnode.dev·11h ago · 17 min readRealtime Systems: Polling, WebSockets, SSE, and Pub/SubThe question that started it all How does WhatsApp deliver a message instantly? You send a message, and it appears on your friend's phone within a fraction of a second — no refresh button, no waiting.00
KSKanishka Shashiinhtml-dev09.hashnode.dev·11h ago · 25 min readModern Next.js: Routing, Layouts, Server Components, API Routes & Server ActionsThe question that started it all Can a React application have both frontend and backend inside the same project? For most of React's history, the honest answer was "not really, not cleanly." A typical00
SPSaurabh Puriinpurisaurabh.hashnode.dev·2d ago · 8 min readWhy Facebook Stopped Using Git and Built Its Own Version Control System?How Meta evolved from Git to Mercurial, and eventually created Sapling and EdenFS to manage one of the world's largest codebases. When most developers think about version control, Git is usually the f00
Nnttyinwaitspin.hashnode.dev·4d ago · 1 min readTurn AI-agent idle time into a sponsor surface.I am building a small two-sided marketplace and would love a reality check from other SaaS people. Product: WaitSpin (waitspin.com). Supply side: developers opt into a small sponsor line in supported 11J
KSKanishka Shashiinhtml-dev09.hashnode.dev·5d ago · 16 min readMastering TypeScript: Interfaces, Generics, and Unions ExplainedIf JavaScript Works, Why Was TypeScript Created? Here's a question worth sitting with: JavaScript runs the entire web. It powers billion-dollar companies, complex applications, and everything in betwe00
KSKanishka Shashiinnodej.hashnode.dev·5d ago · 8 min readSecuring Apps: Password Hashing, RBAC, OAuth, and OpenID ConnectSecurity is one of those things that's easy to bolt on badly and hard to retrofit well. Most applications end up needing to answer four separate questions: How do we store credentials safely? How do w00
SSScoop's sintheindiestack.hashnode.dev·6d ago · 3 min readWhy Progressive Web Apps Are Finally Having Their MomentFor years, PWAs felt like a promise that never quite landed. Great in theory — installable, offline-capable, no app store gatekeeping — but always a step behind native apps in practice. That gap has c10
SDSynfinity Dynamics Pvt Ltdinsynfinitydynamics.hashnode.dev·Jun 30 · 5 min readKey Differences Between AI-Driven and Traditional Website DevelopmentThe world of web development is evolving rapidly, and Artificial Intelligence (AI) is transforming how websites are designed, built, and maintained. Traditional website development has been the standa10
