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Hi everyone,For the past couple months I&#x27;ve been working on a website with two main features:- <a href="https:&#x2F;&#x2F;book.sv" rel="nofollow">https:&#x2F;&#x2F;book.sv</a> - put in a list of books and get recommendations on what to read next from a model trained on over a billion reviews- <a href="https:&#x2F;&#x2F;book.sv&#x2F;intersect" rel="nofollow">https:&#x2F;&#x2F;book.sv&#x2F;intersect</a> - put in a list of books and find the users on Goodreads who have read them all (if you don&#x27;t want to be included in these results, you can opt-out here: <a href="https:&#x2F;&#x2F;book.sv&#x2F;remove-my-data" rel="nofollow">https:&#x2F;&#x2F;book.sv&#x2F;remove-my-data</a>)Technical info available here: <a href="https:&#x2F;&#x2F;book.sv&#x2F;how-it-works" rel="nofollow">https:&#x2F;&#x2F;book.sv&#x2F;how-it-works</a>Note 1: If you only provide one or two books, the model doesn&#x27;t have a lot to work with and may include a handful of somewhat unrelated popular books in the results. If you want recommendations based on just one book, click the &quot;Similar&quot; button next to the book after adding it to the input book list on the recommendations page.Note 2: This is uncommon, but if you get an unexpected non-English titled book in the results, it is probably not a mistake and it very likely has an English edition. The &quot;canonical&quot; edition of a book I use for display is whatever one is the most popular, which is usually the English version, but this is not the case for all books, especially those by famous French or Russian authors.

Show HN: I scraped 3B Goodreads reviews to train a better recommendation model

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I built qqqa as an open-source project, because I was tired of bouncing between shell, ChatGPT &#x2F; the browser for rather simple commands. It comes with two binaries: qq and qa.qq means &quot;quick question&quot; - it is read-only, perfect for the commands I always forget.qa means &quot;quick agent&quot; - it is qq&#x27;s sibling that can run things, but only after showing its plan and getting an approval by the user.It is built entirely around the Unix philosophy of focused tools, stateless by default - pretty much the opposite of what most coding agent are focusing on.Personally I&#x27;ve had the best experience using Groq + gpt-oss-20b, as it feels almost instant (up to 1k tokens&#x2F;s according to Groq) - but any OpenAI-compatible API will do.Curious if the HN crowd finds it useful - and of course, AMA.

Show HN: qqqa – A fast, stateless LLM-powered assistant for your shell

I designed a relative piano-roll-based music notation. I used 12 colored arranged in a specific way to make visible the main effects and oppositions of Western tonal harmony. The tonic is always white, so a manual annotation&#x2F;interpretation is required for each MIDI file.All chords are flags of three to four colors. Minor mode is darker, major mode is lighter. Colors are arranged in thirds.I sorted the pieces from simple complex harmony. I also wrote a bit of text to explain what you may see. There&#x27;s also a corpus of structures: hyperlinks of tags that allow you to find similar patterns throughout my corpus of 3000+ popular pieces.My method makes chord progressions memorizable and instantly visible in the scores. No preparation of Roman numeral analysis &#x2F; chord symbols analysis is required. After a bit of training the chords will stare right in your eyes.It&#x27;s not synesthesia, it&#x27;s a missing script for tonal music which makes harmonically identical things look the same (or similar).I&#x27;ve also recorded lectures on my method in Russian (<a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;playlist?list=PLzQrZe3EemP5pVPYMwBJGtiejiN3qtCce" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;playlist?list=PLzQrZe3EemP5pVPYMwBJG...</a>). I&#x27;m sorry I haven&#x27;t yet found time to re-record in English.I&#x27;ve also sketched a friendlier intro: <a href="https:&#x2F;&#x2F;vpavlenko.github.io&#x2F;d&#x2F;" rel="nofollow">https:&#x2F;&#x2F;vpavlenko.github.io&#x2F;d&#x2F;</a>Sorry, but this thing won&#x27;t make any sense if you&#x27;re color-blind.It&#x27;s open-source: <a href="https:&#x2F;&#x2F;github.com&#x2F;vpavlenko&#x2F;rawl" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;vpavlenko&#x2F;rawl</a>Earlier context: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=39165596">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=39165596</a>(Back then colors were less logical, and there was no corpus of 3000+ piece annotated yet)

HN

FBI tries to unmask owner of archive.is

Kimi K2 Thinking, a SOTA open-source trillion-parameter reasoning model

ICC ditches Microsoft 365 for openDesk

Open Source Implementation of Apple's Private Compute Cloud

Two billion email addresses were exposed

I may have found a way to spot U.S. at-sea strikes before they're announced

You should write an agent

Show HN: I scraped 3B Goodreads reviews to train a better recommendation model

Mathematical exploration and discovery at scale

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I analyzed the lineups at the most popular nightclubs

Show HN: qqqa – A fast, stateless LLM-powered assistant for your shell

Show HN: See chords as flags – Visual harmony of top composers on musescore

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