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There's a formula I keep coming back to when people ask why their slick demo agent falls apart in production: Agent = Model × Harness The model is the raw reasoning — Claude, GPT, whatever. It's swappable, and it's getting better on a curve you don't control. The harness is everything else: the goals, the loops, the tools, the scheduler, the retry logic. Most of the engineering that matters lives in the harness, not the model. But here's the part most teams get wrong. They define ...

I wanted a quick way to open Codex app directly from the macOS terminal with the current project folder already selected. Add the following function to your local Zsh config file, such as ~/.zshrc . It opens a new Codex thread using the current directory as the workspace. You can also pass a directory path as an argument. This assumes Codex app is installed on macOS. It uses python3 only to URL-encode the local path safely. # Open Codex app with the current directory as a new t...

The Quest Begins (The "Why") I still remember the first time I stared at a competitive‑programming statement and felt my brain short‑circuit. The problem talked about “arrays of length n where each element is at most 10⁹ and you need to count pairs whose sum is divisible by k”. I started scribbling brute‑force loops, then switched to sorting, then tried hash maps… and after twenty minutes I was still staring at a blank editor, wondering if I’d missed some hidden trick. Sound familiar? Y...

If you've ever tried to "submit your startup everywhere," you know the pain: you Google "startup directories", open a listicle from 2021, and half the links are dead, paywalled, or just gone. You waste an afternoon and still don't know which ones are actually worth it. So I did the boring part: I went through hundreds of startup / SaaS / AI launch directories, opened each one, threw out the dead links, and noted whether submission is free or paid and what's required. Here are 16 verified ...

published: true "Hey, can you build me an app that tracks my leads?" That was the whole request. One sentence. And it sounds reasonable — until you try to actually build the thing and realize that sentence just handed you about fifty decisions and answered exactly none of them. What's a lead? Where do they come from — a web form, a phone call, a text? What fields do you want stored for each one? What happens when one comes in — does an email fire, does it write to a database, does it ju...

A monolingual team can ship for years without hitting the bugs that lose them Japanese users on day one. I kept finding the same five gaps while looking at foreign dev-tools, so I turned the check into a CLI. Run it npx github:greymoth-jp/jp-ready-check your-site.com No install, no account. It fetches the page once and scores it 0–5. What it checks hreflang ja — without it, Google.co.jp / Yahoo! Japan can't reliably surface your Japanese pages....

Understanding the Evolution of Non-Fungible Tokens (NFTs) Non-Fungible Tokens (NFTs) are unique digital assets that use blockchain technology to verify ownership and authenticity. Unlike cryptocurrencies such as Bitcoin, which are interchangeable and have equal value, NFTs are distinct and cannot be exchanged on a one-to-one basis. They act as secure digital certificates of ownership for various assets, including digital art, music, collectibles, virtual real estate, and gaming items. Tod...

The Incident Microsoft's threat intelligence team has attributed a supply chain attack targeting the Mastra AI ecosystem to Sapphire Sleet (also tracked as BlueNoroff), a North Korean state-sponsored hacking group. The attackers compromised over 140 npm packages — not obscure, one-download throwaway packages, but packages embedded in the Mastra AI dependency graph that developers and AI coding tools actively pull. The attack vector that makes this particularly sharp: AI-powered coding ass...

Project Code： https://github.com/euv-dev/euv The mount function is the entry point of every euv application. It connects your Rust code to the browser's DOM and kicks off the rendering pipeline. This article explores how mounting works, how to structure your application entry point, and how the rendering engine keeps your UI up to date. The Mount Function At its simplest, mount takes two arguments: a CSS selector string and a function that returns a VirtualNode : ...

I did the math and it turns out YOU are the reason AI isn't smarter yet Erin T Erin T Erin T ...

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Article URL: https://www.cell.com/neuron/fulltext/S0896-6273(26)00339-9 Comments URL: https://news.ycombinator.com/item?id=48613555 Points: 5 # Comments: 0

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Article URL: https://www.bbc.com/future/article/20260618-the-weird-and-wonderful-libraries-of-finland Comments URL: https://news.ycombinator.com/item?id=48613755 Points: 35 # Comments: 13

Article URL: https://sibexi.co/posts/epoll-vs-io_uring/ Comments URL: https://news.ycombinator.com/item?id=48613872 Points: 17 # Comments: 1

Let's learn about Team Management via these 228 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the Learn Repo or LearnRepo.com to find the most read blog posts about any technology. The process of organizing and coordinating a group of individuals to achieve a common goal, essential for productivity and successful project execution in any organization. 1. 🚀 Boost Your Productivity as a Software Engineer 🚀 Unique tips & tricks on boosting your pr...

How are you, hacker? 🪐 Want to know what's trending right now?: The Techbeat by HackerNoon has got you covered with fresh content from our trending stories of the day! Set email preference here . ## Building Knowledge Graphs with Gemini By @picardparis [ 60 Min read ] Explore how to turn raw, unstructured documents into structured knowledge graphs using Gemini. Read More. I Built a PC Monitor That Learns Your Hardware By @huckler [ 10 Min read ] Thresholds are...

In late 2005, Apple stopped all work on the iPhone and put every engineer on the keyboard, because typing on glass was bad enough to sink the product. The keyboard they landed on looks like a small QWERTY, but it doesn't work like one. The tap area under each key grows and shrinks as the software guesses your next letter. Apple kept the look of a keyboard and removed the mechanics, exactly where real-world mechanics would have held them back.

Atlantic reporter Alex Reisner recently uncovered four datasets of music being used to train AI models and made them fully searchable for the public. Two of the sets are absolutely enormous at 12 million and 9 million tracks. The other two are much smaller, but still represent a significant amount of training data at over […]

Jumper isn't the only big name leaving Google DeepMind.

Shinkei makes a refrigerator-sized robot called Poseidon to kill fish quickly and humanely.

So ... what's your In the Weights score?

The problem Most code an AI agent writes looks right. It compiles, it reads well, it probably works. "Probably" is the problem. The agent stops when the work looks done, and "looks done" is rarely "proven done." You find the gap later, in production, in the case nobody tested. proven-python proven-python is a Claude Code skill that holds an AI coding agent to the way a disciplined engineer actually works on Python: Write the failing test first, then the code that makes i...