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By Design — Episode 04 In 2009, Salvatore Sanfilippo had a problem. His startup, LLOOGG, was a...


The Widget Factory pattern that lets our CMS control what 2M+ users see — without a single app...


Solar activity directly impacts Earth, from GPS accuracy to power systems. MackSun was designed to....


Accessibility Services were designed for assistive use cases. But today, they represent a sensitive...


The CAP Theorem Got a Makeover: Meet PACELC, Your New Distributed Systems Buddy Remember...

LLMs are stateless. They have no concept of wall-clock time, token cost, or whether a task will ever...


Your LLM agent is stuck in an infinite loop. It’s calling the same API tool repeatedly, burning...


PROFESSIONAL DJANGO ENGINEERING SERIES #3 Change your user model after the first migration and you...


Most telemetry pipelines look clean in architecture diagrams. Devices publish data. A collector...


WHAT MOST PEOPLE DON'T REALIZE ABOUT BANKING SOFTWARE When people think about software for...


Refactoring Guru already has the best blog to learn Design patterns. Here I am just trying to give a...


TL;DR Increasing threads helps only up to a point (50 → 300 worked, 500 didn't) Too many threads.....


Abstract Financial systems are often designed around strict correctness guarantees....


Two active military operations are running simultaneously right now, and both are producing a very.....


As developers, we love hard problems. So we set out to solve one that almost every African develope...


Context When I first opened TOGAF, I got stuck on a basic problem — there's no clear...


Multi-site schemas: lessons from evolving one large system over time I worked on a large...


Over the past several months, I built a personal reference suite of over 50 full-stack web...


Your RAG application works perfectly with 1,000 documents. You push it to production, upload 10...


Passei as últimas 12 horas desenhando a arquitetura perfeita para o site de velas virtuais do Padre....


Most engineers still reach for the mutex. That's one of four options, and usually not the best one. ...


The 'which language is fastest' benchmark wars miss the real question. Rust, Go, Java, and Python ar...


I spent 200 days testing 15 AI companion apps. Paid for every subscription myself. Talked to each on...


** The Brief ** A fintech startup needed a platform that lets other fintech companies.....