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Article URL: https://mbmccoy.dev/posts/mathematical-conservatory/ Comments URL: https://news.ycombinator.com/item?id=49591793 Points: 38 # Comments: 58

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Article URL: https://cordcuttersnews.com/tivo-plans-to-end-free-automatic-commercial-skipping-in-november-tests-paid-premium-replacement-service/ Comments URL: https://news.ycombinator.com/item?id=49593971 Points: 46 # Comments: 13

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TL;DR Many LLM observability setups capture prompts, outputs, tokens, and latency while leaving retrieval failures hidden. A single search call may conceal query rewriting, filtering, fetching, deduplication, reranking, and evidence selection. A useful trace connects the original question to the effective query, returned sources, selected passages, and final claims. Retrieval tracing helps distinguish missing, stale, or ignored evidence from a genuine generation failure. Production...

Introdução A Anthropic anunciou recentemente a inclusão de uma marca d'água nos textos gerados pelos modelos Claude. O objetivo é distinguir conteúdos gerados por humanos daqueles criados por IA generativas. Funcionamento O prompt enviado é convertido em tokens que são usados para calcular a probabilidade do próximo token , se repetindo até uma resposta que faça sentido seja retornada para o usuário. Esse é o processo padrão utilizado pela maioria dos modelos de I...

Android App Protection Shouldn't Come at the Cost of Performance: The Lightweight Approach of XopProtector Android application protection has always involved a difficult trade-off. Stronger protection often means: Larger APK size Longer protection/build time Higher runtime overhead Slower application startup For large Android applications, these costs can become especially noticeable. XopProtector takes a different approach: strong protection with a focus on build effi...

COUNT(*) looks like a trivial operation: SELECT COUNT ( * ) FROM orders ; The query asks for a single number, but that doesn't mean PostgreSQL can produce it with a constant-time read from some internal counter. When we need an exact count, PostgreSQL has to determine how many rows are actually part of the visible result set for that query. On large tables, that work can become a meaningful chunk of total execution time. And the problem doesn't just go away b...

Last week a reader left this on one of our articles, and I'm still turning it over: The counter lived in a module-level variable. The supervisor restarts that daemon on a stale-heartbeat rule, so the process died and respawned 131 times during those 24 hours. Every restart reset the counter to zero. The threshold of 3 was unreachable by construction — not degraded, never reachable. Her guard: escalate to a human after 3 consecutive failed self-heal rounds. Written in July, correct lo...

This is a submission for Weekend Challenge: Generosity Edition What I Built Community Solar Energy Bank is a platform that lets people and businesses with residential or commercial solar panels donate their surplus energy credits directly to low-income families in Brazil, through NGOs connected to each family's utility company. The idea: in Brazil's net-metering system, a solar panel owner who generates more than they use accumulates credits with their utility company, cred...

From February to April 2026, I launched four web apps, each starting from a code bundle that Figma Make (Figma's AI feature that generates a working front-end code bundle from a design) had spat out: a beauty-curation site, a gift-record app, a plush-toy album, and a UI mock for an AI development tool. Every one of them starts its repository in a state where "the look is already finished." In this article I look back — from the actual config files and commit history — at what I did to get those ...

A few weeks ago I launched Convert to Shorts — a free browser-based tool that converts horizontal videos to YouTube Shorts format (9:16) without uploading anything to a server. I wrote about the ffmpeg.wasm + Vite setup in a previous article. The most requested feature after launch was auto captions. Captions significantly boost Shorts engagement since most people watch without sound, and manually typing captions is tedious. The challenge: how do you add free auto captions to a privacy-fir...

I spent Friday night staring at a mock municipal utility shutoff notice. The text was dense. The language was punitive. The deadline was buried in a block of legal code on page two. Generosity usually shows up as time or money, and that kind of giving matters. I think it can also look like removing friction. Millions of vulnerable and non-native speaking families receive legalistic notices, like eviction warnings, utility shutoffs, medical bills, or benefit discontinuances, written in adversa...

This is a submission for the Weekend Challenge: Generosity Edition Don't Just Ask AI. Give the Answer Back. AI is a real force multiplier for software development. It's also the ideal companion for solving technical problems fast. But all that knowledge — we keep it to ourselves. Or rather, we lose it. The story always stops there. Question → answer → problem solved — and the conversation sinks into the chat history, gone. Then someone else hits the exact same wall. ...

A friend of mine works in e-commerce and often needs to reuse or edit videos that already have text or subtitles burned into them. That got me looking into ways to remove text from video without having to edit it frame by frame. I tried a few existing tools and APIs, and eventually found Alibaba's VideoDetext. The results were good enough for the kind of videos I was testing, and running the API directly was relatively inexpensive. The underlying API is fairly developer-oriented, though, so I...

An agent-written patch that lives only inside one long chat session is not a reviewable change for merge. Hidden constraints from that conversation never reach the repository, the failing tests, or the next reviewer. A pairing session that wants a durable result should keep only the diff a second memory-free environment can recreate. The brief, not the transcript, becomes the source of truth for that recreation before anyone discusses merge. Chat windows quietly store rejected files, private ...

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Article URL: https://blog.thezilber.com/3-youtube-had-a-bug-chatgpt-helped-me-to-investigate Comments URL: https://news.ycombinator.com/item?id=49588483 Points: 5 # Comments: 4

How do you find skills, keep them organized, and make sure they actually work? Do you keep improving them over time? I believe skills will eventually be eating by model capabilities, but until then I'm just looking for a better way to manage things. Comments URL: https://news.ycombinator.com/item?id=49589914 Points: 15 # Comments: 10

Article URL: https://bschaatsbergen.com/posts/go-tpm-tls/ Comments URL: https://news.ycombinator.com/item?id=49590946 Points: 5 # Comments: 2

Article URL: https://github.com/Staatsgeheim/MathKernel Comments URL: https://news.ycombinator.com/item?id=49592366 Points: 17 # Comments: 2

Article URL: https://gettogether.dev Comments URL: https://news.ycombinator.com/item?id=49592840 Points: 11 # Comments: 2

Article URL: https://blog.archive.org/2026/09/01/keep-our-servers-running-your-recurring-donation-goes-3x-this-september/ Comments URL: https://news.ycombinator.com/item?id=49593563 Points: 10 # Comments: 1

Most teams default to Traditional RAG. Here is why Vectorless and Hybrid RAG are often the smarter production choices, with real-world examples for each.

AI hallucinations are product failures, and we should start calling them that. Putting the responsibility on the user is unacceptable.

A practical guide to system-side timer patterns, from hardware interrupts and OS APIs to timer wheels, heaps, polling, and event loops.