Everyday new post about new things to know as a System Designer, MERN, AI or Python developer. Stay tuned for a new one.
Last week Cloudflare published a post about cutting roughly 100 TB of RAM out of their internal load balancer. They didn't do it with a rewrite or new hardware. They counted how many hash points their
On October 21, someone pushed litellm==1.107.0 to PyPI and Docker. It looked like a normal release. It wasn't. For about two hours on PyPI, and a bit longer on Docker Hub and GHCR, anyone who installe
Every time I open a new agent session on one of my Express projects, I end up typing the same paragraph: "routes go in src/routes, validate with Zod, never touch the Mongo connection directly, run the
On Monday morning, around 7am London time, a power event hit one zone of Google Cloud's London region. Not the whole region. One zone out of three. And for the next eight hours, Revolut card payments
Two CPU giants who have been at each other's throats for decades quietly announced something last week that will change how most of the world's servers run AI workloads. No acquisition, no drama — jus
If you woke up this morning, opened your GitHub notifications, and found a security advisory from the Node.js team — you're not alone. Today, October 21, 2026, the Node.js project dropped security pat
Remix 3.0 shipped stable this week, and buried in the changelog is something that'll make every MERN developer do a double take: it no longer requires React. The framework that helped bring server-sid
You know that nagging 60-second wait every time mypy runs on your ML service? Google felt it too — at a scale of hundreds of millions of lines of Python. This week they published exactly why they're m
If you're building anything serious with a MERN stack, Zod is probably doing quiet, thankless work somewhere in your codebase — validating request bodies in Express, shaping API responses before they
