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Shadow testing can compare a candidate AI agent on real traffic—but only if proposals, policy decisions, and side effects are cleanly separated.

How payment allocation exposes a deeper Financial Product Engineering challenge: turning financial intent into precise, reliable, evolvable software behavior.

10/24/2026: Trending stories on Hackernoon today!

Learn everything you need to know about Hackernoon Zh via these 500 free HackerNoon blog posts.

On Thursday, Pennsylvania Governor Josh Shapiro signed the Artificial Intelligence Deceptive Advertising Act into law, requiring disclosures on AI-generated ads. The law requires any ad - whether it's a still image, video, audio, or text - that "has been significantly modified or generated by artificial intelligence" to include a label in the same format as […]

Instacart might sell itself to a larger competitor.

Introduction Running a Telegram community means constantly battling unwanted content: promotional links, phishing attempts, repeated nonsense, and language‑specific abuse. The classic defense—keyword filters—relies on a static list of banned words or patterns. While easy to set up, keyword filters become brittle quickly, generate false positives, and are easy for spammers to evade with minor text variations. Semantic anti‑spam, powered by large language models (LLMs), evaluates the meani...

This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady What I Built Demo https://psl-calculator-mlh-hack-5dnqeov6yyaqpqkqq9eezj.streamlit.app Code https://github.com/Vedu56/PSL-Calculator-MLH-Hack How WE Built It Our architecture relies on an open and flexible stack optimized for speed and transparency: AI & Inference: Powered by open-weight models (such as Gemma 4 workflows) integrate...

Un servidor de MCP que usa el transporte stdio es una línea de comandos que tu agente corre como tú. En octubre de 2026 eso dejó de ser abstracto: el CVE-2026-105740 (CVSS 9.9) de Langflow dejó que cualquier usuario con sesión registrara un servidor stdio cuyo comando iba directo a bash -c . Este post recorre el bug, el arreglo que de verdad aguanta, y una auditoría de una máquina de desarrollo corriendo Claude Code, que sacó una línea de npx apuntando a un scope de npm que nadie tiene....

I've spent the last few months building an AI tool that fills PDF forms from a user's own documents (a passport, a W-2, a spreadsheet, or just a few typed sentences). The first version was the obvious one: send the PDF to an LLM and ask it to fill the form. It didn't work. This post covers what did work, with code, so you can build your own. Full disclosure: the tool is Simplifier . Everything below works with any stack and any LLM. The core idea: split "understanding" from ...

Cloud Pub/Sub Dead-Letter Recovery for Node.js Weekly Support Digests Short answer: for Google Cloud Pub/Sub dead-letter retries versus an AWS SQS DLQ, choose the queue whose retention, delivery attempts, and replay permissions fit the weekly deadline, then keep idempotency and failure classification in the Node.js worker. Start with the recovery window. Recovery needs a clock. That window is the time between a failed active-customer digest and the point where the support team can...

This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady What I Built My Downloads folder is a museum of good intentions: IMG_0509.png , final_FINAL_v3.md , a pile of WhatsApp Image 2026-09-23 at 9.12.19 PM.png , and an invoice I keep meaning to deal with. Sorting it by hand is exactly the kind of chore I put off forever. sloth-tidy is a lazy, local, undoable file tidier. You point it at a folder. A small open-weight model running on ...

Wie NVIDIA-Chef Jensen Huang Stromverbrauch, Rechenleistung und Tokens zu einer fragwürdigen Erfolgsformel verbindet. KI: Strom rein, Intelligenz raus?Jen-Hsun Huang, CEO des Chipgiganten NVIDIA, beschreibt die Zukunft der künstlichen Intelligenz mit einer verblüffend einfachen Rechnung. Rechenzentren werden zu sogenannten AI Factories . Sie verbrauchen elektrische Leistung, erzeugen damit Rechenleistung und produzieren schließlich Tokens. Aus diesen Tokens entsteht künstliche Intelligen...

As electronic products become more compact and powerful, manufacturers face a growing challenge: how to manage heat while maintaining reliable electrical performance. This is particularly important in LED lighting, industrial electronics, automotive systems, and power conversion equipment, where components can generate significant heat during operation. Metal printed circuit boards (metal PCBs) provide one approach to this challenge. By incorporating a metal base into the board structure, the...

Five days ago I started reading my analytics dashboard every morning, which is what you do when you have published something and nobody has bought it. The number went up. Day one, 5 views. Day two, 10. Day three, 19. Day four, 11. Today, 1. Forty-six views in total, zero sales, zero per cent conversion. For about a day I treated that as a conversion problem. Forty-six people had arrived and none of them had bought, so the obvious suspects were the price, the page, the screenshots. I had a ...

I work on FightNome. This post is about a feature of our own app. FightNome calls strikes out loud while you shadowbox or work pads. You hear "jab", you throw a jab. For that to feel right, the word has to land on the beat itself. Here's how we think about that problem, in plain terms. The beat grid Everything hangs off the tempo. One beat lasts 60000 / BPM milliseconds. Our workouts run from 74 to 128 BPM, so the spacing between beats changes a lot: BPM Beat leng...

CampusCopilot — Your Personal AI Developer Campus 🚀 Submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I Built I built CampusCopilot , a personal AI learning workspace designed to help a college student manage DSA practice, coding mistakes, study materials, assignments, and exams in one place. The idea came from a simple problem: students often use different tools for notes, coding practice, planning, and AI assistance, but these tools don't con...

This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady 🚂 MINDTRACE AI: Echoes of the Last Train 🔎 Every lie leaves a trace. Every choice changes the truth. What if you could solve a murder mystery by questioning suspects, connecting evidence, and catching contradictions—with the help of a locally running AI model? That's the idea behind MINDTRACE AI , an AI-powered detective mystery game I built for Hacktoberfest Week 3. ...

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tl;dr: it looks like C++ 26 got turned down by the national bodies (afaik unprecedented) Comments

Article URL: https://ricuicui.com/articles/navigateur-porte-entree-agents-ia Comments URL: https://news.ycombinator.com/item?id=50222824 Points: 2 # Comments: 0

Article URL: https://www.aulico.com Comments URL: https://news.ycombinator.com/item?id=50222955 Points: 1 # Comments: 0

Article URL: https://www.lesswrong.com/posts/ywrgeAPMn83FxzFBk/how-could-the-us-and-china-verifiably-slow-ai Comments URL: https://news.ycombinator.com/item?id=50222975 Points: 1 # Comments: 0

I could never get used to FreeCAD, so I built my own. It turns out Claude is really good at using it. Loböle is a parametric B-Rep CAD built on OpenCASCADE and Vulkan, with sketches, assemblies, drawings, FEM and CAM. The GUI, Python scripts and AI agents all go through the same commands, so an agent can do anything you can in the GUI. The engine, watch and bicycle in the README were each built by Claude writing a script against it. Comments URL: https://news.ycombinator.com/item?id=5022307...

Article URL: https://www.shuffle-on.com/ Comments URL: https://news.ycombinator.com/item?id=50223151 Points: 2 # Comments: 0

Article URL: https://medium.com/@ivan_43200/i-built-a-saas-with-ai-two-months-later-i-have-zero-active-users-1e93436a5b39 Comments URL: https://news.ycombinator.com/item?id=50223278 Points: 2 # Comments: 0

Article URL: https://botchelor.com/gate?from=%2Fagents Comments URL: https://news.ycombinator.com/item?id=50223284 Points: 1 # Comments: 0

Article URL: https://news.ycombinator.com/ Comments URL: https://news.ycombinator.com/item?id=50223294 Points: 1 # Comments: 0

Article URL: https://ainm.no/ Comments URL: https://news.ycombinator.com/item?id=50223620 Points: 1 # Comments: 1