Lighthouse CI can block merges or become a job teams ignore. Here is how we split pre-merge checks, bundle limits, and scheduled PageSpeed monitoring so CI only tests what it can do reliably. A pull request passed Lighthouse CI on Friday and the pre...

You open a JSON file. Your text editor freezes for three seconds. When it finally loads, you're staring at 80,000 lines of tightly packed, unindented data — no line breaks, no color, no structure. You need to find one specific value buried somewhere ...

Every admin product starts by rebuilding the same eight things — auth, RBAC, tables, forms, theming, i18n, feature flags, routing. None of it is the product. Here's why this keeps happening, and what to do instead. Every internal tool, SaaS back o...

A hands-on experiment in what changes when your dev assistant lives on your machine, runs continuously, and remembers your codebase. The context-reconstruction tax It's 9:14 on a Tuesday. My coffee is still too hot. I've opened a terminal and I'm...

How a 1951 statistics formula quietly keeps your chatbot from going feral Two ideas sit underneath every modern AI assistant you've ever used. One is a seventy-year-old equation from information theory. The other is the training trick that turned a...

> Original post: GitHub Copilot for Engineers: Getting Better Resultshttps://sourcier.uk/blog/github-copilot-for-engineers GitHub Copilot moved to usage-based billing in June 2026, dropping the flat subscription model that made monthly costs predict...

Introduction I will be breaking down git and GitHub from beginner basics to a more advanced level in this article.I hope this structured approach will help you build a solid foundation moving forward. what is Git Git is a distributed version contro...

Tuesday coding tips are super short posts about various tidbits mainly from C++, but also from other programming languages I use. You can also follow the #TuesdayCodingTips hashtag on Mastodon and Linkedin. Since C# 7, you can use pattern matching t...

Let me paint you a picture that probably feels familiar. You spend 45 minutes crafting the perfect prompt. You test it. It works. You ship it. Two days later your colleague tries it with slightly different input and... it falls apart completely. So ...

Ask most AI coding tools to “build me a web app” and watch what happens. Nine times out of ten, you’ll get: React, Next.js, Tailwind, maybe a sprinkle of popular auth and UI libraries. No context. No questions about your team. No...

The Architecture of Invariant Boundaries: One Deployment, Two Audiences Procurement teams ask whether Open Portfolio is a separate product codebase. Engineers ask whether Pocket and Open can drift into incompatible releases. Both questions have the...

Introducing NitroIDE — Engineering a Faster Browser IDE for Modern Developers Hey everyone Over the past few months, I’ve been working on a project called NitroIDE — a modern browser-based IDE focused on performance, low latency, and creating a s...

Introduction: One thing I’ve learned from building an experimental AI architecture is that ideas are cheap, but reality is expensive. I learned this really good with larkos. At first, I was full of ideas and ambition. I wanted to shove in every po...