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Most walkthroughs about browser-based rhythm tools focus on the musician's side: where to click, how to lay down a beat, what tempo sounds good. This piece flips the camera around and looks at the engineering surface instead — the grid data structure behind every row and column, the rules that turn a click into sound, and the edge cases that quietly break a prototype the moment it meets a second user. The lens here is the practitioner who has to ship, debug, or extend one of these widgets. Ev...

Models are trained on a massive amount of data. That doesn't mean that they know all the details of your specific situation. The training data might contain all chargeback fee schedules for Mastercard up until 2025, but you live in 2026 and actually ask about chargebacks on Wero. The model's knowledge is broad, generic and frozen at training time. You cannot just retrain Claude to include your data (except if you own Anthropic). So how can we pass knowledge that is specific to your situation or ...

Building in public often means talking about shiny new features, but in mature production applications, the most critical engineering work is usually brownfield problem solving —iterating on top of years and years of code logic and/or production system decisions. On DEV (powered by the open-source Forem codebase), we have a hybrid architecture that blends Rails server rendering, Fastly edge caching, and lightweight client-side navigation (via InstantClick ). This setup delivers sub-100m...

Beyond Free-Roaming Agents: Architecting a Deterministic 4-Node Graph Pipeline for Zero-False-Positive Autonomous VAPT Every AppSec engineer eventually hits a mathematical scaling wall. In a high-growth environment, a single application security engineer is often personally responsible for securing dozens of microservices, multiple public-facing API gateways, complex native mobile apps, and continuous CI/CD pipelines. When you are outnumbered 100-to-1 by software engineers shipping code ...

I run a multi-provider LLM gateway in production (OpenAI, Anthropic, Google, DeepSeek and a dozen others behind one endpoint) with prepaid, per-token billing. Getting the metering correct took more iterations than the entire proxy itself. Here is what I wish someone had told me. One request is never one price A single chat request produces up to six differently priced components: text input, cached input, cache writes, output, reasoning tokens, and tool units (web search calls, image generat...

A light can expose brightness through a HomeKit characteristic or a Matter cluster. Application code should ask for brightness, not carry both platform identifiers and two sets of value rules. What is Codename One? Codename One is an open-source framework for building native iOS, Android, desktop, and web apps from a single Java or Kotlin codebase. Learn more at codenameone.com . PR #5554 adds com.codename1.home , a portable model for listing accessories, reading and writing traits, ...

Tried sponsors/santifer : A Local AI Job Search Workflow Worth Watching sponsors/santifer is an open-source AI job-search workflow designed to run inside local AI coding CLIs such as Claude Code, Codex, OpenCode, or Antigravity. It combines several repetitive tasks into one controlled pipeline: Scan supported job portals. Evaluate listings against your experience and preferences. Produce a structured A–H report. Assign each role a global score from 1 to 5. Tailor your CV for ...

When an ASR pipeline is pushed to production, the interesting question is not only how fast it runs, but how much throughput you can extract from each GPU before latency starts to break. In the setup described here, that tradeoff was the main lever for reducing inference cost by 75% using NVIDIA MPS on Amazon EC2. This post is a collaboration between AWS, NVIDIA, and Heidi. It also includes input from Jerron Chua, a Deep Learning Architect at the Generative AI Innovation Center at Amazon Web ...

One night the free server logged an incident that resolved before my alarm went off. The next morning the free model that summarizes those logs handed me a root cause that matched nothing in the raw lines. That mismatch kicked off a 48-hour experiment in how far I could trust a cheap summarizer with a limited attention span. The short version: the model wasn't lying, and it wasn't hallucinating in the usual sense. It was only ever seeing the tail of the story, and the longer my pipeline ran, ...

A practical way to evaluate computer vision models before you commit If you work on a vision project, model choice is rarely just about the biggest name on the leaderboard. You usually need to answer a more specific question: Which model handles my prompt or image style well? Which one is better for the task I actually need? Which option should I benchmark more deeply before I build around it? Roboflow Playground is useful because it turns those questions into a workflow. You c...

Help Net Security covered a new open-source tool this week that writes tamper-evident audit logs for AI agents. It stores recorded agent activity in a file, each record carries a hash of the record before it, and edits to old records break the later fingerprints. The author is upfront about what it can't do, which I respect. That's rarer in this space than it should be. The story points at a wider problem with this wave of tools. "Tamper-evident" is starting to read as a synonym for proof. A...

What if we need traditional object-oriented API and extra high performance for field-wise operations in one place? I designed my CPS exactly having this in mind. The article is for describing the idea behind the library. Imagine you have 10 million product objects, which have the following structure: class Product { String name ; int quantity ; int price ; } You need to calculate the grand total value by summing quantity * price for every prod...

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The former US representative was also fined more than $71,000 for allegedly attempting to manipulate the prediction market.

I kept generating slide decks about my codebases with an agent, and weeks later they would go stale. Updating them was quite costly (time & tokens), as the agent would have to re-scan the whole repo to re-generate the slides. So I made the slide deck carry its own provenance: SlideOps skill turns a repo into a slide deck, with all references to files carrying exact line range and a hash. Checking is done with standard-library Python: no model calls, no network, and very fast. For example, it dis...

Article URL: https://www.macrumors.com/2026/08/30/apple-unexpected-mac-mini-and-studio-demand/ Comments URL: https://news.ycombinator.com/item?id=49508982 Points: 157 # Comments: 188

I have always enjoyed building and playing puzzles. I am a regular user of NYT Games and LinkedIn Games. I thought it would be fun to create some corporate-themed puzzles as a silly alternative to LinkedIn Games. So, I built Corporate Mind Games. The games are intended to be a little bit sassy and sarcastic, but I hope they are enjoyable and challenging. I was planning to post this on HN last week. However, many years ago, I made a game called Don't Wordle, which unexpectedly appeared on the fro...

Article URL: https://ravynos.com/ Comments URL: https://news.ycombinator.com/item?id=49511534 Points: 99 # Comments: 72

Article URL: https://jasontucker.blog/how-i-turned-my-security-cameras-into-an-automatic-bird-identification-system-with-birdnet-go/ Comments URL: https://news.ycombinator.com/item?id=49511856 Points: 199 # Comments: 60

https://www.mdr.de/nachrichten/sachsen/bautzen/bautzen-hoyer... (auf Deutsch) Comments URL: https://news.ycombinator.com/item?id=49511917 Points: 106 # Comments: 55

Article URL: https://www.quantamagazine.org/stunning-percolation-proof-solves-decades-old-puzzle-about-phase-transitions-20260831/ Comments URL: https://news.ycombinator.com/item?id=49512311 Points: 14 # Comments: 3

Article URL: https://smallpotatoes.paulbloom.net/p/kids-these-days Comments URL: https://news.ycombinator.com/item?id=49512618 Points: 15 # Comments: 16

Article URL: https://jobs.ashbyhq.com/workweave Comments URL: https://news.ycombinator.com/item?id=49512895 Points: 0 # Comments: 0

https://cybercity.carino.systems/ https://github.com/MiguelCarino/CyberCity ASCII City: Traffic and Detail Update - https://www.youtube.com/watch?v=DSRooHo_HSI ASCII City Update: Interiors, Elevation and Skyscrapers - https://www.youtube.com/watch?v=UCKEDWowc0o Comments URL: https://news.ycombinator.com/item?id=49512975 Points: 67 # Comments: 11

Instagram is finally taking steps to address the rise of fake AI-influencer accounts that have gotten harder to spot. It's also renaming the "AI creator" label to "AI-generated profile" to make it clear when a profile features an AI-generated person that's not a real human being. "We've heard that people don't like seeing a profile […]