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Lessons from building an AI data analyst

news.ycombinator.com Unknown 2025-10-22 17:40:24

AI/ML Data Analytics Malloy Malloy TL;DR Text-to-SQL is not enough. Answering real user questions requires going the extra mile like multi-step plans, external tools (coding) and external context. Answering real user questions requires going the extra mile like multi-step plans, external tools (coding) and external context. Context is the product. A semantic layer (we use Malloy ⎋) encodes business meaning and sharply reduces SQL complexity. A semantic layer (we use Malloy ⎋) encodes busines

Topics: context malloy model semantic sql

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“This telegram must be closely paraphrased before being communicated to anyone”

news.ycombinator.com Unknown 2025-10-23 10:39:47

It appears that it was US military communications doctrine to not send the exact same message twice using different encryption ("none" counting as one type of encryption), and the term of art for changing a message to avoid that was indeed "paraphrase". I managed to dig up a US Army document on Cryptology from roughly that era that appears to discuss paraphrasing. The document in question is Department of the Army Technical Manual TM 32-220(pdf), dated 1950, titled "BASIC CRYPTOGRAPHY". It appa

Topics: cryptographic message original plain text

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"This telegram must be closely paraphrased before being communicated" Why?

news.ycombinator.com Unknown 2025-10-23 20:39:47

It appears that it was US military communications doctrine to not send the exact same message twice using different encryption ("none" counting as one type of encryption), and the term of art for changing a message to avoid that was indeed "paraphrase". I managed to dig up a US Army document on Cryptology from roughly that era that appears to discuss paraphrasing. The document in question is Department of the Army Technical Manual TM 32-220(pdf), dated 1950, titled "BASIC CRYPTOGRAPHY". It appa

Topics: cryptographic message original plain text

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My Foray into Vlang

news.ycombinator.com Kris Tun 2025-10-23 19:17:26

Table of contents A little bit about Go I like Go. I actually don’t mind writing err != nil that much. Just set up a snippet and you’re good to Go. Although, I never really felt like I had a honeymoon period with Go. I learned the language, learned about channels, wrote a bunch of CRUDs and parsers and CLIs. It always felt strictly business. I thought it was because of where I am in my career. But I was wrong. Go is vanilla. It just werks. You build it, you ship it. The language is simple and

Topics: external globe link ms universe

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How Does Timecode Vinyl Work? (Pt. 3)

news.ycombinator.com Jan Claußen 2025-10-20 08:09:18

How Does Timecode Vinyl Actually Work? (Pt. 3) Since its release in 2011, the Traktor Control Vinyl MK2 has sparked curiosity among digital DJs and audio developers alike. Its timecode format stands apart from Serato’s, which we explored in the previous posts. With the MK2 system, Native Instruments introduced a more advanced timecode that boosts resolution and accuracy by applying advanced cryptographic techniques. In this post, we’ll break down how it works at a basic level and how Mixxx is

Topics: bit serato signal text timecode

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From multi-head to latent attention: The evolution of attention mechanisms

news.ycombinator.com Unknown 2025-10-23 04:45:24

From Multi-Head to Latent Attention: The Evolution of Attention Mechanisms Vinithavn 7 min read · 15 hours ago 15 hours ago -- Listen Share Press enter or click to view image in full size What is attention? In any autoregressive model, the prediction of the future tokens is based on some preceding context. However, not all the tokens within this context equally contribute to the prediction, because some tokens might be more relevant than others. The attention mechanism addresses this by allow

Topics: attention context key query vectors

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From Multi-Head to Latent Attention: The Evolution of Attention Mechanisms

news.ycombinator.com Unknown 2025-10-23 14:45:24

From Multi-Head to Latent Attention: The Evolution of Attention Mechanisms Vinithavn 7 min read · 15 hours ago 15 hours ago -- Listen Share Press enter or click to view image in full size What is attention? In any autoregressive model, the prediction of the future tokens is based on some preceding context. However, not all the tokens within this context equally contribute to the prediction, because some tokens might be more relevant than others. The attention mechanism addresses this by allow

Topics: attention context key query vectors

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Show HN: Magic links – Get video and dev logs without installing anything

news.ycombinator.com Unknown 2025-10-22 00:51:26

Hey HN, For a while now, our team has been trying to solve a common problem: getting all the context needed to debug a bug report without the endless back-and-forth. It’s hard to fix what you can't see, and console logs, network requests, and other dev data are usually missing from bug reports. We’ve been working on a new tool called Recording Links. The idea is simple: you send a link to a user or teammate, and when they record their screen to show an issue, the link automatically captures a

Topics: bug context dev links problem

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Threads is testing long-form posts with support for formatted text

9to5mac.com Marcus Mendes 2025-10-26 19:29:29

While Threads already allows up to 500 characters per post (which is more than enough for casual users used to the microblogging format), it is now testing support for long-form posts through “text attachments”. Here’s how it works. Meta has confirmed the test, but has no ETA for the feature As spotted by app researcher Radu Oncescu (via TechCrunch), Threads is testing a new “text attachment” feature on iOS, which could replace the common practice of stringing together multiple posts that blow

Topics: feature posts text threads users

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Meta is experimenting with long-form text on Threads

engadget.com Unknown 2025-10-27 07:55:58

Meta seems to be working on ways for Threads users to share long-form writing within a single post. Several users have reported seeing a new "attach text" feature on the service, which allows them to embed large chunks of text within a single post. The feature, which hasn't been formally announced by Meta, is similar to the "articles" feature that's available on X to Premium+ subscribers. It enables Threads users to embed longer text excerpts within a single Threads post and offers some basic f

Topics: feature long meta text threads

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Threads tests a way to share long-form text on the platform

techcrunch.com Aisha Malik 2025-10-27 07:01:29

Threads is testing a new feature that makes it easy to share long-form text on the social network, Meta confirmed to TechCrunch on Thursday. The feature lets users attach a block of text to a post instead of creating a thread of several different posts when looking to share more in-depth thoughts and ideas. App researcher Radu Oncescu first spotted the new “text attachment” feature on iOS and shared a screenshot of it. According to the app’s description of the new feature, it’s designed to allo

Topics: feature share text threads users

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We just got our best look yet at the next three-panel foldable, and it launches next week

androidauthority.com Unknown 2025-10-27 11:38:53

TL;DR HUAWEI has unveiled the Mate XTs, with pre-orders now open in China ahead of a September 4 launch. Leaker Digital Chat Station claims it will be available in four colors, with 16GB RAM and up to 1TB storage. HUAWEI remains the only company to have shipped a tri-fold, though the Mate XTs may be available only in China. We know that the term “tri-fold” might not make much sense, but it’s the name the industry appears to have settled on in the fledgling years of these three-panel foldables

Topics: fold huawei launch mate xts

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LLMs solving problems OCR+NLP couldn't

news.ycombinator.com Filip Rejmus 2025-10-27 23:15:28

The first idea resembling something like the idea of OCR got developed in 1870 as a reading machine for the blind - the Optophone. This was the first step to solve a problem that sounds pretty simple: How do we get writing on paper inside a computer? 150 years of research, engineering breakthroughs and hundreds of IDP products later we were finally able to scan a receipt and have the fields be filled out - if it looked nice and friendly enough to the OCR model. Heureka. Unfortunately for Tesse

Topics: context data like model ocr

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The best Wi-Fi extenders in 2025

engadget.com Unknown 2025-10-28 10:00:37

If your Wi-Fi signal is struggling to reach every corner of your home, a signal booster — also known as a Wi-Fi extender — might be the fix you need. Whether you're dealing with annoying dead zones, buffering video calls or laggy gaming sessions, the right Wi-Fi extender can help expand coverage and improve connectivity without forcing you to move your router. There are different types of Wi-Fi extenders to choose from. Some models use external antennas to push the signal farther, while other

Topics: extender extenders fi network wi

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Anthropic's Claude Chrome browser extension rolls out - how to get early access

zdnet.com Steven Vaughan-Nichols 2025-10-28 10:21:55

DrPixel/Moment/Getty Images Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways: Claude is incorporating AI into a Chrome web browser extension. The closed beta allows users to chat with Claude in a side panel. Anthropic warned early users to use the extension carefully. Claude, Anthropic's AI model, is following Perplexity with its Comet web browser and Dia by incorporating AI into a web browser. Anthropic's first effort is a closed beta of a Chrome web browser ext

Topics: anthropic browser chrome claude extension

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Bookmarks.txt is a concept of keeping URLs in plain text files

news.ycombinator.com Unknown 2025-10-28 13:12:23

bookmarks.txt is a concept of keeping bookmarks in plain text files. Principals Bookmarked URLs are stored in files named bookmarks.txt . The format is described below. . The format is described below. A "global" bookmarks file is located in the home directory ( $HOME/bookmarks.txt ). ). "Local" bookmarks files could exist in different directories as well. Format URLs are stored one per line and could be accompanied with optional titles. Titles are separated from URLs with one space charac

Topics: bookmarks tools txt url urls

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Anthropic’s auto-clicking AI Chrome extension raises browser-hijacking concerns

arstechnica.com Unknown 2025-10-29 19:17:29

As AI assistants become capable of controlling web browsers, a new security challenge has emerged: users must now trust that every website they visit won't try to hijack their AI agent with hidden malicious instructions. Experts voiced concerns about this emerging threat this week after testing from a leading AI chatbot vendor revealed that AI browser agents can be successfully tricked into harmful actions nearly a quarter of the time. On Tuesday, Anthropic announced the launch of Claude for Ch

Topics: ai browser chrome extension users

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The “Wow!” signal was likely from extraterrestrial source, and more powerful

news.ycombinator.com James Felton 2025-10-29 16:25:06

A new study has re-examined the famous "Wow!" signal, finding that it likely has an extraterrestrial origin after all, and may have been even more intense than previously believed. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content. On August 15, 1977, at the Big Ear radio telescope observatory at Ohio State University, a narrowband radio signal was received. A few days later, astronomer Jerry Ehman reviewed the data and noticed the signal sequ

Topics: extraterrestrial signal signals team wow

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The "Wow!" signal was likely from extraterrestrial source, and more powerful

news.ycombinator.com James Felton 2025-10-30 17:25:06

A new study has re-examined the famous "Wow!" signal, finding that it likely has an extraterrestrial origin after all, and may have been even more intense than previously believed. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content. On August 15, 1977, at the Big Ear radio telescope observatory at Ohio State University, a narrowband radio signal was received. A few days later, astronomer Jerry Ehman reviewed the data and noticed the signal sequ

Topics: extraterrestrial signal signals team wow

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Horrifying AI Crowds Apparently Used in Will Smith Concert Video

cnet.com See Full Bio 2025-10-31 12:44:00

Commenters are calling out Will Smith for using AI in a concert video. The video, posted to YouTube on Aug. 12, features the actor and rapper performing on stage with a montage of his audiences. The crowd looks real in some shots, but in others it appears to be AI generated, given the prevalence of blurry faces, extra fingers and akimbo limbs. One YouTube commenter responded: "I like to pause this video and see your crowd close up too. Lots of extra digits in this crowd." Another said: "This i

Topics: ai crowd extra smith video

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Teletext in North America

news.ycombinator.com Unknown 2025-10-31 23:20:38

>>> 2025-08-25 teletext in north america (PDF) I have an ongoing fascination with "interactive TV": a series of efforts, starting in the 1990s and continuing today, to drag the humble living room television into the world of the computer. One of the big appeals of interactive TV was adoption, the average household had a TV long before the average household had a computer. So, it seems like interactive TV services should have proliferated before personal computers, at least following the logic t

Topics: service teletext television tv videotex

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Neural Nets vs. Cellular Automata

news.ycombinator.com Unknown 2025-10-30 23:39:01

\[ \sum_{i \in \text{neighbor}} C_{i, t} \text{ } \in S \implies \text{ON}_{t+1} \] \[ \sum_{i \in \text{neighbor}} C_{i, t} \text{ } otin S \implies \text{OFF}_{t+1} \] Update Rule Set for ON cells:

Topics: c_ implies neighbor sum_ text

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Peek Inside the Sacred Jedi Texts From ‘Star Wars: The Last Jedi’

gizmodo.com Germain Lussier 2025-11-02 06:20:59

The Star Wars sequel trilogy remains a hot topic for Star Wars fans, young and old. No matter where you stand on the three films, though, one thing we can probably all agree on is the one prop from the series that we’d most like to hold in our hands and explore: the sacred Jedi texts. Revealed in Star Wars Episode VIII: The Last Jedi, the Jedi texts are stored on Ahch-To and watched over by Luke Skywalker after he leaves the Jedi order and the Force behind him. They’re the last remnants of the

Topics: jedi rey star texts wars

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DeepWiki: Understand Any Codebase

news.ycombinator.com Sahar Mor 2025-11-01 01:23:30

Welcome to another post in the AI Coding Series, where I'll share the strategies and insights I've developed for effective AI-assisted coding. In this post, I break down how I use DeepWiki - my go-to tool for understanding unfamiliar codebases, spinning up dev environments, and generating context for coding agents like Claude and Cursor. Whether you're evaluating an open-source repo, onboarding to a new project, or building an AI-powered dev tool, DeepWiki can save you hours. Note: This is not

Topics: ai code coding context deepwiki

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A small change to improve browsers for keyboard navigation

news.ycombinator.com Unknown 2025-11-02 08:40:11

We choose to use Firefox, not because it's easy but because it's hard. ~ jfk probably (This problem applies to Chrome too though) If you want to navigate websites with the keyboard you can make use of the ' search feature (aka "quick find for links") in Firefox. Just press ' and start typing. Any link with the anchor text you type will get highlighted. Once you press enter, firefox will navigate to the link under the highlighted anchor text. Too bad most websites nowadays don't use links for nav

Topics: enter highlighted just link text

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You can now add AI images directly into LibreOffice documents - here's how

zdnet.com Jack Wallen 2025-11-02 21:25:38

Jack Wallen / Elyse Betters Picaro / ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways There's a new LibreOffice extension for AI-generated images. The extension uses AI Horde to generate images. Images are automatically placed in your document. Although I don't use AI for image generation, I know a lot of people who do. Some of those people regularly work with documents and need the ability to quickly insert AI-generated images into those documents. Last w

Topics: ai extension horde image libreoffice

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Sign Up to Get the Best Labor Day Deals Sent Directly to Your Phone

cnet.com See Full Bio 2025-11-02 20:51:00

I spend every day trying to find deals that really save you money. And with Labor Day weekend coming up in just a few days, you'll want to know where to shop and what the best deals are. And we mean genuine savings, not fake reductions that will barely save you anything. My team and I are tracking and personally handpicking sales at top retailers, like Amazon, Walmart, Best Buy and more, for our CNET Deals text subscribers. We'll deliver the best sales to your phone, helping you score must-have

Topics: best deals ll price text

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Launch HN: April (YC S25) – Voice AI to manage your email and calendar

news.ycombinator.com Unknown 2025-11-03 10:56:26

Hi HN, we’re Neha and Akash from April ( https://tryapril.com ). We are building an AI executive assistant to help you get through emails and manage your schedule, hands-free while you drive to work, or whenever else you prefer voice interaction. Here's a demo: https://www.youtube.com/watch?v=ISKwEyuQQEo#t=50 ...and here's a second one showing more complex use cases: https://www.youtube.com/watch?v=P8APprJ3-eY. While driving 40 mins daily from SF to Berkeley, my inbox would flood to 30+ email

Topics: april com context emails https

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Android phone cameras are in for a crazy upgrade

androidauthority.com Unknown 2025-11-04 02:09:30

Hadlee Simons / Android Authority TL;DR Chinese phone brands are exploring more ways to enhance their camera capabilities. One way could be to include detachable external cameras or lenses. Xiaomi and Vivo already have similar options in China, and we might see improvements and additions from other brands. The Chinese phone market is ultra-competitive, with brands promptly innovating to stay ahead in a tussle over unusual feats. Phone cameras have been of significant importance to these bran

Topics: brands camera cameras external phone

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A Small Change to Improve Browsers for Keyboard Navigation

news.ycombinator.com Unknown 2025-11-04 02:40:11

We choose to use Firefox, not because it's easy but because it's hard. ~ jfk probably (This problem applies to Chrome too though) If you want to navigate websites with the keyboard you can make use of the ' search feature (aka "quick find for links") in Firefox. Just press ' and start typing. Any link with the anchor text you type will get highlighted. Once you press enter, firefox will navigate to the link under the highlighted anchor text. Too bad most websites nowadays don't use links for nav

Topics: enter highlighted just link text

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Latest Tech News

Lessons from building an AI data analyst

“This telegram must be closely paraphrased before being communicated to anyone”

"This telegram must be closely paraphrased before being communicated" Why?

My Foray into Vlang

How Does Timecode Vinyl Work? (Pt. 3)

From multi-head to latent attention: The evolution of attention mechanisms

From Multi-Head to Latent Attention: The Evolution of Attention Mechanisms

Show HN: Magic links – Get video and dev logs without installing anything

Threads is testing long-form posts with support for formatted text

Meta is experimenting with long-form text on Threads

Threads tests a way to share long-form text on the platform

We just got our best look yet at the next three-panel foldable, and it launches next week

LLMs solving problems OCR+NLP couldn't

The best Wi-Fi extenders in 2025

Anthropic's Claude Chrome browser extension rolls out - how to get early access

Bookmarks.txt is a concept of keeping URLs in plain text files

Anthropic’s auto-clicking AI Chrome extension raises browser-hijacking concerns

The “Wow!” signal was likely from extraterrestrial source, and more powerful

The "Wow!" signal was likely from extraterrestrial source, and more powerful

Horrifying AI Crowds Apparently Used in Will Smith Concert Video

Teletext in North America

Neural Nets vs. Cellular Automata

Peek Inside the Sacred Jedi Texts From ‘Star Wars: The Last Jedi’

DeepWiki: Understand Any Codebase

A small change to improve browsers for keyboard navigation

You can now add AI images directly into LibreOffice documents - here's how

Sign Up to Get the Best Labor Day Deals Sent Directly to Your Phone

Launch HN: April (YC S25) – Voice AI to manage your email and calendar

Android phone cameras are in for a crazy upgrade

A Small Change to Improve Browsers for Keyboard Navigation

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