Tech Tutorials

In the 1960s, Dr. Lawrence Weed looked at the state of medical records and saw a dangerous mess. Doctors were writing unstructured… Continue reading on Medium »

Adapter, Bridge, Composite, Facade, Decorator, Proxy, and Flyweight — explained through problems you actually see in production Continue reading on Medium »

A Senior engineer can often design a system that works, but a Staff-level interview usually keeps going until the interviewer understands… Continue reading on P

Engineering the Unapologetic Monolith: How Go and TypeScript Forge TormentNexus's Core We剖析了为什么 TormentNexus intentionally built its AI backend as a Go + TypeSc

A payment service starts with one payment method. Continue reading on Medium »

What a million-user mistake taught me about backfills , thundering herds, fan-out, and why randomized delays exist Continue reading on Bootcamp »

I had prepared the Java Memory Model, HashMap, ConcurrentHashMap, synchronized, volatile, executors, virtual threads, garbage collection… Continue reading on Me

A customer writes to support with a screenshot. “Thanks for your order #4471. It’s on its way.” Continue reading on Medium »

Originally published on tamiz.pro . The Paradigm Shift: From Syntax to Structure For the past two decades, the primary metric of software engineering productivi

Every service had been protected against cascading failure, but years of automatic fallbacks had created a platform where nobody could… Continue reading on Prod

Anyone can add Kafka, Redis, replicas, or another microservice. Continue reading on Medium »

Most tutorials teach definitions. This one teaches pictures. And pictures are what actually stick. Continue reading on Medium »

Shapezo and CityWeft should be treated as different layers in a spatial workflow, not as interchangeable modelers. Shapezo is useful for authoring a design prop

When to Distribute the Business, And When Not To Continue reading on Medium »

Most candidates can design the happy path. Senior and Staff interviews usually start when the interviewer changes one assumption. Continue reading on Javarevisi

A clean architecture diagram is easy. Explaining what happens when one assumption fails is much harder. Continue reading on Javarevisited »

Em sistemas distribuídos, sincronizar o tempo exato é quase impossível. Descubra como Leslie Lamport resolveu esse problema focando na… Continue reading on Medi

I spent a lot of time learning Angular by learning what to type. Continue reading on Medium »

“Good system design is not about building the most complex system. It is about building the simplest system that can reliably handle the… Continue reading on Me

There is a particular kind of Java code that makes everyone in the code review go silent. Continue reading on Heap & Wire »

Let’s tackle a few Angular questions that look easy… until the interviewer asks them. Continue reading on Medium »

Every system design interview is really asking one question: Can you do the math? These four back-of-the-envelope calculations — QPS… Continue reading on Stacka

The first time a microservice actually goes down in production, the damage rarely stays contained to that one service. Continue reading on Beyond Localhost »

volatile looks like it should fix a race condition. It doesn't — not for the race that actually shows up in production. This paper shows… Continue reading on Me