Systems Design & Architecture

Coming VERY Soon: Distributed GPU Compute Across Devices The SpawnDev.WebTorrent P2P...

A lot of system design content looks impressive… until you actually try to build it. I’ve seen...

SvelteKit is the official application framework for Svelte. It provides routing, SSR, code-splitting,...

When building route planners, logistics dashboards, or public transport maps, you often need to...

The saga pattern looks straightforward in diagrams. It becomes genuinely complex the moment you...

In my saga to implement an Actor System, I've covered so far the basic usage of Actor. Now, I'm going...

Welcome to Part 6 of the Flutter Interview Questions 2025 series! This part dives into advanced...

In Apache DolphinScheduler, multi-tenancy is not just an “auxiliary permission feature,” but the core...

In the first post of this series we set the stage for the Backyard Quarry project. Once you decide...

Most systems don’t fail because of bad logic. They fail because they don’t understand time. We log...

Activity, Service, BroadcastReceiver, ContentProvider. You've used them for years. But do you know *when not* to use each one? The answer reveals a lot about se

Lesson 3.4 — CAP Advanced Patterns & Production Readiness Table of...

Lesson 1.3 — BTP Event Mesh & Integration Table of Contents 1. SAP Event...

The catalog system is one of SAP Commerce's most powerful — and most misunderstood — features. It...

ImpEx is the language of SAP Commerce data. Whether you're setting up a fresh project, loading...

I'm going to say it: 👉 Most React apps handle authorization terribly. Yeah... even the...

Next.js has been the default full-stack React framework for years. TanStack Start is the first real challenger that made me reconsider. Here is an honest compar

Introduction In the realm of collaborative, offline-capable applications, the state...

Late 2024 I published Rails Icons 1.0 (slighly off-topic, but I mentioned a modest few thousand...

Build a working Virtual DOM engine in 71 lines of vanilla JS — no build step, no npm. Four functions: h(), render(), diff(), patch(). Finally understand what Re

In the previous post, I used a scene from The Eternaut — Favalli starting an old car after an EMP —...

This post provides guidelines for configuration, system sizing and capacity planning when deploying...

Introduction: The Microservices Promise and Paradox Microservices architecture, with its...

Stop hiring people to find bugs that your architecture should have made impossible to...

Understanding Durability through a Simple Wallet Transfer System Introduction While using payment...

What is DOM? The Document Object Model (DOM) is a programming interface used in web...

Understanding Atomicity through a Simple Wallet Transfer System Introduction While using payment...

Micro Frontend vs. SPA: Which Architecture Should You Choose? There comes a point in every...

The OCP principle states that: The extent of the component or function should be open, and its...

Your SPA was perfect at 3 developers. At 8 developers, it's a war zone. Merge conflicts every...

I spent over a decade working in Classic AUTOSAR. In every company I worked at, the same frustration...

Introduction Hey there, fellow developers! If you've ever wondered why clicking on a...

Four PRs, 5000+ lines, 1875 tests. How to compare two versions of an engineering drawing when the coordinates might be slightly different.

In Java, an object is a real-world entity that has state and behavior. It is an instance of a class....

Chapter 2: The Rules of the Record (Data & Ownership) ​In Chapter 1, we learned how to write a...

Welcome to Part 5 of the Flutter Interview Questions series! This part focuses on the architectural...

Modern web applications require both performance and interactivity, with users expecting fast page...

I've been working on VSolitaire for a while now. It's a free solitaire game where you can play...

Bridging object-oriented and functional programming in modern C++: how pure functions reduce coupling and simplify testing in real-world C++ code

I recently spent a week studying the CXXGraph codebase top-to-bottom. What I found is a library that...

Every SaaS app needs the same core models: users, auth accounts, subscriptions, and (in 2026) AI...

In the mid-2010s, web developers started treating server-rendered HTML as something...

Separation of concerns is one of the first topics that comes up when we want to move from writing...

Beyond Basic Types: Mastering TypeScript's Advanced Type System for Robust...

🔹 1. Object Creation in C++ vs Java ✅ C++ Objects can be created in two...

How I built system theme detection for my portfolio — an inline script for flash prevention, React...

Rust developers already accept one important move: if something matters to correctness, it should be...

graphql #python #fastapi #docker When building microservices, one of the hardest...