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The Smallest Brain You Can Build: A Perceptron in Python

https://ranpara.net/posts/perceptron-explained-from-scratch/
44•DevarshRanpara•1h ago

Comments

esafak•1h ago
If you want to learn the fundamentals of ML I recommend a book, such as Deep Learning: Foundations and Concepts by Chris Bishop. If you insist on staying online, one option is https://course.fast.ai/

If you don't know ML I don't think you're going to learn much through ad hoc demos.

rishabhaiover•53m ago
This book equipped me with the right intuition and tools to visualize machine learning. I wish I was smart enough to hold it all together.
andai•37m ago
>I wish I was smart enough to hold it all together.

I used to have a wife, but they took her in the divorce!

The human mind isn't very good at correlating its contents[0]. You can "know" something for years without realizing its implications.

The human mind traverses its knowledge like a man with a small flashlight in total darkness. Our beam of attention is small and narrow, so you need to put the right things in it, or the magic doesn't happen.

This has important implications for learning. I don't know what they are though.

Probably something like, "you can know something without knowing what it means." You haven't connected it to the things it's supposed to be connected to yet. I don't know how to fix that though. (Something involving the Feynman technique, maybe?)

[0] H.P. Lovecraft quote - https://www.goodreads.com/quotes/193944-the-most-merciful-th...

mysterydip•15m ago
Checked out the book on your recommendation, and they even have a free online option on their site! Very generous: https://www.bishopbook.com/
stuxnet79•15m ago
I didn't know Bishop had released a new textbook. I will have to take a look at it. I wasn't the biggest fan of his Pattern Recognition book as I found it overly dense. I much preferred the Murphy and Alpaydin books.

EDIT: His son is co-author?

b33j0r•48m ago
Okay, it’s conscious. But can it run doom? I rest my case.
Waterluvian•44m ago
Can you run Doom? Let’s find out!
phs318u•40m ago
Probably.

https://www.dandwiki.com/wiki/Doom_(5e_Campaign_Setting)

Teenage Engineering: Introducing APC-2

https://teenage.engineering/products/apc-2
55•vthommeret•39m ago•22 comments

The Smallest Brain You Can Build: A Perceptron in Python

https://ranpara.net/posts/perceptron-explained-from-scratch/
46•DevarshRanpara•1h ago•8 comments

Building from zero after addiction, prison, and a felony

https://gavinray97.github.io/blog/building-from-zero-after-addiction-prison-felony
424•gavinray•7h ago•192 comments

Show HN: I Derived a Pancake

https://www.absurdlyoptimized.com/recipes/pancakes/
125•bkazez•2d ago•39 comments

A Matter Wi-Fi Light Bulb in Rust on the Raspberry Pi Pico 2 W

https://github.com/melastmohican/rust-rpico2-embassy-examples
28•melastmohican•1h ago•2 comments

Making peace with your unlived dreams (2023)

https://nik.art/making-peace-with-your-unlived-dreams/
151•herbertl•7h ago•70 comments

How's Linear so fast? A technical breakdown

https://performance.dev/how-is-linear-so-fast-a-technical-breakdown
299•howToTestFE•7h ago•158 comments

7.8 magnitude earthquake shakes part of southern Philippines. Tsunami possible

https://www.yahoo.com/news/weather-news/articles/as--philippines-earthquake-001322726.html
25•mikhael•44m ago•5 comments

What is the purpose of the lost+found folder in Linux and Unix? (2014)

https://unix.stackexchange.com/questions/18154/what-is-the-purpose-of-the-lostfound-folder-in-lin...
142•tosh•2d ago•51 comments

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https://blog.ydb.tech/do-we-fear-the-serializable-isolation-level-more-than-we-fear-subtle-bugs-5...
54•b-man•4d ago•26 comments

Learn PHP in 2026 (Yes, Really)

https://fagnerbrack.com/learn-php-in-2026-yes-really-bd567753dd84
35•shantnutiwari•3d ago•33 comments

Powering up a module from the IBM 604: an electronic calculator from 1948

https://www.righto.com/2026/06/ibm-604-thyraton-tube-module.html
77•elpocko•8h ago•24 comments

My automated doubt development process

https://www.alexself.dev/blog/automated-doubt
58•aself101•7h ago•17 comments

Show HN: Lathe – Use LLMs to learn a new domain, not skip past it

https://github.com/devenjarvis/lathe
247•devenjarvis•14h ago•47 comments

The 29th International Obfuscated C Code Contest (IOCCC) 2025 Winners

https://www.ioccc.org/2025/
366•matt_d•20h ago•88 comments

LLMs are eroding my software engineering career and I don't know what to do

https://human-in-the-loop.bearblog.dev/llms-are-eroding-my-software-engineering-career-and-i-dont...
810•poisonfountain•13h ago•801 comments

Firefox Merges Support for Vulkan Video Decoding

https://www.phoronix.com/news/Firefox-Vulkan-Video-Merged
65•Bender•3h ago•7 comments

Cloning a Sennheiser BA2015 battery pack

https://blog.brixit.nl/cloning-a-sennheiser-ba2015-accu-pack/
108•zdw•1d ago•17 comments

Back end is full of hidden workflows

https://unmeshed.io/blog/your-backend-is-full-of-hidden-workflows
3•jusonchan81•4d ago•0 comments

Proliferate (YC S25) is hiring to building open source Codex

https://www.ycombinator.com/companies/proliferate/jobs/L3copvK-founding-engineer
1•pablo24602•9h ago

Office-open-xml-viewer: Office XML document viewer that renders to HTML Canvas

https://github.com/yukiyokotani/office-open-xml-viewer
119•maxloh•8h ago•45 comments

Podman 6: machine usability improvements (2025)

https://blog.podman.io/2025/10/podman-6-machine-usability-improvements/
101•daesorin•12h ago•6 comments

Splash Is a Colour Format

https://www.todepond.com/lab/splash/
51•tobr•4d ago•66 comments

Backrest – a web UI and orchestrator for restic backup

https://github.com/garethgeorge/backrest
85•flexagoon•5d ago•7 comments

An Ohio Valley 100k-watt FM signal is severed in broad daylight

https://www.radioworld.com/news-and-business/headlines/an-ohio-valley-100000-watt-fm-signal-is-se...
151•pkaeding•1d ago•145 comments

KNN early termination in Manticore Search

https://manticoresearch.com/blog/knn-early-termination/
6•snikolaev•4d ago•0 comments

Anthropic, please ship an official Claude Desktop for Linux

https://github.com/anthropics/claude-code/issues/65697
458•predkambrij•13h ago•268 comments

A visual introduction to kernel functions

https://kelvinpaschal.com/blog/kernel-functions/
33•Kelvinidan•2d ago•9 comments

I design with Claude more than Figma now

https://blog.janestreet.com/i-design-with-claude-code-more-than-figma-now-index/
267•MrBuddyCasino•21h ago•237 comments

Why isn't the U.S. better at soccer?

https://www.natesilver.net/p/why-isnt-the-us-better-at-soccer
73•7777777phil•6h ago•198 comments