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Agentic Harness Engineering

Artificial Intelligence is evolving rapidly beyond simple prompt-based models. To truly leverage Al's potential for complex, real-time tasks, a new approach called Agentic Harnessing has emerged—enabling smarter, context-aware agents empowered by memory and external tools. In this post, we'll dive into what Agentic Harnessing is, why it matters, and the best open-source tools you can use right now to get started. Let's explore this transformative Al engineering approach together! ...
Open-sourcing my dev tools as plain HTML files (no npm, no build)
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Open-sourcing my dev tools as plain HTML files (no npm, no build)

```Last month I shipped three developer utilities — a Base64 encoder, a Unix timestamp converter, and a CSS minifier. Each one runs100% in your browser. No servers, no uploads, no analytics, no tracking. \ Yesterday I open-sourced them on GitHub. This post is the story of why I built them this way and why I open-sourced them at all. The problem with "free online tools" Most "free online tools" secretly upload your input to a server, process it there, and hope nob...
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What Should an AI Agent Be Allowed to Do Without Asking You?

Your agent notices a failing deployment. It reads the logs, identifies the bad commit, drafts a rollback, and now wants to apply it. Should it just do it? If it asks for permission at every step, it becomes an expensive autocomplete. If it can do anything it can describe, it becomes a liability. The useful question is not “How smart is the agent?” It is: Which actions are safe to pre-authorize, which actions need explicit approval, and which actions should be impossible? That is ...
HackerNews

Show HN: Doogi – Explore multiple AI responses and conversation paths

Hello, Since I was disappointed with the linear way of interacting with AI, so I built a tool that lets you explore multiple responses and conversation paths. I’ve tried adding various handy features, and I’d like to hear your feedback. https://doogi.it . The interface is node-based, so it's currently optimized for desktop. :) Comments URL: https://news.ycombinator.com/item?id=49638994 Points: 1 # Comments: 0
HackerNews

Tao: Reject the irresponsible and unsustainable usages of AI technology

Article URL: https://terrytao.wordpress.com/2026/09/07/finite-time-blowup-with-smooth-forcing-term-for-the-incompressible-porous-medium-boussinesq-and-incompressible-euler-equations/comment-page-1/#comments Comments URL: https://news.ycombinator.com/item?id=49639438 Points: 2 # Comments: 0
HackerNews

Nvidia Personal-AI-Router

Article URL: https://github.com/NVIDIA/Personal-AI-Router Comments URL: https://news.ycombinator.com/item?id=49639672 Points: 1 # Comments: 0
HackerNews

Factoring RSA 260

Article URL: https://cognition.com/blog/factoring-rsa-260 Comments URL: https://news.ycombinator.com/item?id=49633534 Points: 83 # Comments: 11
HackerNews

Show HN: What if the speed of light was 5 km/h?

I've always wanted to make a visualization where the speed of light was scaled down to human speeds, so that we could intuit relativistic effects with everyday objects. Here is the first version of it! Comments URL: https://news.ycombinator.com/item?id=49637385 Points: 253 # Comments: 103
HackerNews

OpenAI might have stolen another major proof

Article URL: https://twitter.com/ValerioCapraro/status/2097791836269977996 Comments URL: https://news.ycombinator.com/item?id=49638353 Points: 156 # Comments: 51
HackerNews

DeepSeek v4.1 Flash

Article URL: https://twitter.com/deepseek_ai/status/2097930608790167907 Comments URL: https://news.ycombinator.com/item?id=49639090 Points: 116 # Comments: 19
🌍 Dev.to

AI Video Just Became Programmable Television

A strange thing happened when fal made H3 Max faster than realtime. The obvious benchmark story was: a 5-second video can render in under 3 seconds. The more interesting story is what developers started building once generation became faster than playback. They built television. The first demo got banned Fal engineer Rehan Sheikh connected H3 Max to a livestream inspired by the "interdimensional cable" idea from Rick and Morty. The important technical property ...
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Node.js API Boundaries for Realtime Quota Protection in Live Auction Dashboards

Short answer: put a small, explicit quota boundary in front of every realtime connection, make reconnect and backfill consume a separate budget, and measure freshness rather than WebSocket count. For a live auction dashboard, this keeps a reconnect storm from starving the bids, typing indicators, and read receipts that operators actually need. The page that wakes the on-call engineer is usually not the page they needed. It says realtime_connections > 50,000 or reports a spike of HTTP 429...
Partition once versus filter twice for bulk email validation
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Partition once versus filter twice for bulk email validation

The decision The partition function separates the array into the elements that satisfy the condition from those that do not docs . The filter function iterates over an array and applies an expression that returns matching values docs . Both scripts compute the task to split payload.records into accepted ids and rejected records with a reason, plus a retry count, by an email match. First approach The partition once approach uses the import line import * from dw::core::Array...
🌍 Dev.to

Building a Browser-Local Moving Checklist Without User Accounts

Many planning tools begin with sign-up, cloud storage, and collaboration features. For a moving checklist, I wanted to test a narrower idea: can a useful planning tool work without requiring an account? MovePlaybook is a browser-based moving checklist. A user starts with a move date, reviews a generated task plan, adjusts tasks when circumstances change, and can print or save the plan as a PDF. The technical constraint was privacy: the product should remain useful even when the plan is sto...
FlowGit: The Ultimate Native Git Client — Full Feature Showcase, Architecture & Why It Outclasses Electron
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FlowGit: The Ultimate Native Git Client — Full Feature Showcase, Architecture & Why It Outclasses Electron

⚡ FlowGit: The Ultimate Visual Git Client — Full Architectural & Feature Deep Dive "Visual First – Zero Terminal Friction – No-Fear Git" Lõi Rust Native • Đồ Thị 60 FPS • Kéo Thả Rebase • Thùng Rác 48h Chống Mất Mã Nguồn For years, developers have been forced to choose between two extremes: The Terminal CLI: Infinite power, but terrifying syntax, high cognitive load, zero visual intuition, and constant fear of fat-fingering an irreversible git reset --hard . Exi...
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We rewrote LF Edge eKuiper in Rust: 425k eps, 8MB RAM, 13ms boot (vs Flink, Go eKuiper & Benthos)

Over at I-Dacs Labs , we run high-throughput telemetry pipelines on edge devices (Raspberry Pis, Advantech gateways, and embedded x86/ARM boxes). We've been using LF Edge eKuiper for local stream processing (SQL filtering, sliding windows, and MQTT/Kafka sinks), but kept hitting the classic edge computing wall: JVM engines (Apache Flink) : Incredible throughput, but require >1 GB RAM and take 20+ seconds to boot. Unusable on small industrial hardware. Go engines (Upstream eKuipe...
When Cleanup Resets the Retry Budget
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When Cleanup Resets the Retry Budget

When Cleanup Resets the Retry Budget A retry limiter can record an attempt correctly and still lose control before the next call. An Orca recovery-module experiment exposed the reason: display cleanup erased a terminal's recovery history while that terminal remained eligible for another remount. The useful review target is the cleanup predicate. Adapted from the complete English research article . Two indexes disagree about one object Orca is a desktop tool for org...