HHamed Yousefi5d ago · 15 min readThe Actor Model: Why It Was Invented and How It WorksIf you have written concurrent code with threads, you know the routine. Several threads touch the same data, so you put a lock around it. Then you add a second lock, take the two in the wrong order onhmdsefi.hashnode.dev
Sshah Diya4d ago · 4 min readWhat Production Taught Me About Razorpay WebhooksPicture this. It's 9:47 PM. Riya orders a ₹850 cake from a bakery on WhatsApp, taps the payment link and pays with UPI. Ten seconds later she gets "Payment received!" Then again. The bakery owner getsdiyaa.hashnode.dev
KKafmaOct 22 · 9 min readConfluent.Kafka for .NET in 2026: What Still Works and What to WatchConfluent.Kafka is Confluent's Kafka client for C# and .NET, and by far the most downloaded one on NuGet. It wraps librdkafka, Confluent's C client, and it is still actively developed: 2.16.0 shipped kafma.hashnode.dev
MMahin RashidOct 19 · 5 min readExploring Pagination Strategies with PostgreSQLPagination looks simple. Add LIMIT and OFFSET, and the database returns the requested page. But how does this approach behave with millions of records? To examine this, consider a PostgreSQL table conmahinr10.hashnode.dev
YYash SutharOct 19 · 4 min readHow Redis rate limiters fail under load, measuredResearch paper: Overshoot, Retries and Clocks: An Empirical Study of Redis-Based Rate Limiting Under Concurrency · code and data · DOI 10.5281/zenodo.23467402 I build rate limiting for a living, and yashrsuthar.hashnode.dev
EEbube MbaOct 18 · 5 min readFrom Bare-Metal Infrastructure to Multi-Tenant SaaS: Architecting a Django Platform for 1,800+ UsersMany software engineers start their careers in clean, abstracted cloud environments where the network never drops, power never flickers, and users always follow the happy path. My path into backend en34AEebubemba.hashnode.dev
MMeghsham KapureOct 19 · 8 min readREST APIAPI Technologies in Modern Backend Systems In modern backend systems, APIs are used for communication between different parts of the system, such as frontend and backend, microservices, and other sysmeghsham.hashnode.dev
VVivek YadavOct 16 · 3 min readHTTP/HTTPS Method & Status CodeWhat is HTTP Methods ? HTTP is the application layer protocol used for communications. The method indicate the intended actions or semantics of a particular HTTP request. HTTP methods is the request m12Svivek-blogs.hashnode.dev
Pphildunphy107Oct 16 · 5 min readAPI Deprecation Without Surprise Outages: Five Engineering Companies to EvaluateWhy retiring an endpoint requires consumer visibility, migration testing, and a workable transition plan. An API team announces that an older endpoint will disappear in six months. Documentation changaiforhealthinframediumcom.hashnode.dev
LLoknath PatelOct 11 · 9 min read7 Node.js Built-in Features That Can Replace npm PackagesFewer dependencies, faster installs, and less third-party code to trust. Every package you install is also a package you have to update, audit and trust, along with everything that package depends on.loknath-codes.hashnode.dev