In March 2026, a financial services company discovered that their customer-facing AI agent had been quietly leaking internal pricing data — for three weeks before anyone noticed [1]. There was no buffer overflow. No SQL injection. No misconfigured API. Nobody breached a server. The agent leaked the...
Read articleI have a bookmark folder called `prompting`. Forty-one tabs in it. "The 12 prompts that 10x your engineering." "Context engineering for agents, explained." "The system prompt that changed how I ship." A course I finished at 1am, certain I'd finally cracked the thing — that if I just learned to *ask...
Read articleWho called your API last? For us, the honest answer is more and more often an agent. Claude Code debugging a flow. An assistant looking up an order. Someone's custom GPT. Our tools still assume a human pressing Send. This post is about that gap. How we ran into it ourselves, how most teams han...
Read article*Two providers changed the rules, and my app went back to the hangar* --- ## Showtime on the Balcony (Gone Wrong) >"I like planes too. I wish I had an app that showed me the planes nearby and their details. That'd be so cool." One of my buddy's buddy's buddies said this at a party, while we were...
Read article#### TLDR - I finished a small project that I am sharing for my friends on DEV, that allows you to put your followers count on your Github! <hr> I had started this nonsense last year, and like many silly side projects, let it go to the wayside. But there was one consistent tiny reminder in my emai...
Read articleHoi hoi! 👋 I'm [@nyaomaru](https://github.com/nyaomaru), a frontend engineer just back from a short vacation on Texel, a small island in the Netherlands. 😸🏝️ Today, let's talk about a type guard that looks completely safe. ```ts const isUser = (value: unknown): value is User => { // runtime ...
Read article  DEV Library is my idea of first-person 3D reimagining of DEV.to. Not a themed scene wit...
Read article--- title: "PNG admits when it is damaged and JPEG does not" published: true description: "One bit flipped, six image formats, 400 trials each. Every corrupted PNG was refused by Pillow and libpng, yet Chromium painted half of each one correctly. JPEG rendered complete images in which 96% of pixels ...
Read article## Introduction You click on a button. Nothing happens. You click again. Still nothing. Then the menu opens... and closes right away. We have all lived this. It's a responsiveness problem. And since March 12, 2024, Google measures it with a Core Web Vital: **INP**. Very often, the problem is not ...
Read articleOpen your GitHub. Go on. Count the repositories that have a README, a clean commit that says `initial commit`, maybe a second one that says `wip`, and then… nothing. No third commit. No user who isn't you. No issue filed by a human you've never met. I'll wait. I count nine on mine. Nine little tom...
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