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The Smallest Brain You Can Build: A Perceptron in Python

https://ranpara.net/posts/perceptron-explained-from-scratch/
40•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•47m 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•30m 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•8m 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•8m 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.
b33j0r•41m ago
Okay, it’s conscious. But can it run doom? I rest my case.
Waterluvian•38m ago
Can you run Doom? Let’s find out!
phs318u•34m ago
Probably.

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

Earthquake of magnitude 7.8 strikes off southern Philippines

https://www.reuters.com/business/environment/earthquake-magnitude-73-strikes-mindanao-philippines...
1•JumpCrisscross•53s ago•0 comments

Algorithmic Monocultures in Hiring

https://algorithmichiring.github.io/
2•drchiu•5m ago•0 comments

NPM-Scan: Detecting Six Major NPM Supply Chain Campaigns (June 2026)

https://www.npmjs.com/package/@lateos/npm-scan
2•lateos-ai•8m ago•0 comments

Show HN: ARouter – drop-in OpenAI/Anthropic proxy that cuts cost and fails over

https://github.com/sricola/arouter
1•sricola•11m ago•1 comments

What it costs to run a one-Rails-app SaaS per month

https://www.railsreviews.com/articles/what-it-costs-to-run-a-rails-saas
1•doppp•16m ago•0 comments

President says Netanyahu will have 'no choice' but to accept a deal with Iran

https://www.ft.com/content/a0ce59f9-fbde-49e8-9158-fba3d4079859
2•Jimmc414•18m ago•1 comments

Force-sensing mobile microrobotic grippers for gentle and precise bioassembly

https://pubs.aip.org/aip/apb/article/10/2/026103/3388070/Force-sensing-mobile-microrobotic-grippe...
1•PaulHoule•18m ago•0 comments

New drug 'functionally cures' many hepatitis B virus infections

https://www.science.org/content/article/new-drug-functionally-cures-many-hepatitis-b-virus-infect...
1•gmays•18m ago•0 comments

Show HN: Preseason.ai – Open-source benchmark of devtool choices, ranked by LLM

https://www.preseason.ai
2•widenrun•20m ago•0 comments

DeepSeek V4 Pro beats GPT-5.5 Pro on precision

https://runtimewire.com/article/deepseek-v4-pro-beats-gpt-5-5-pro-on-precision
2•yogthos•21m ago•0 comments

Phonestheme

https://en.wikipedia.org/wiki/Phonestheme
1•davidbarker•22m ago•0 comments

Newborns' cry melody is shaped by their native language

https://pubmed.ncbi.nlm.nih.gov/19896378/
1•davidbarker•22m ago•0 comments

Dev log:Made an app blocker unlocks by verifying real App HealthKit data

https://disciplinelock.com/
1•zichengwang•22m ago•0 comments

1worldflag: A blue dot on a transparent background

https://1worldflag.com/
1•davidbarker•22m ago•0 comments

Attitudes toward same-sex marriage and transgender issues are shifting

https://apnews.com/article/gallup-poll-same-sex-marriage-morality-e12acb151446ac1b7970c0825bf1d072
2•petethomas•26m ago•0 comments

Shopify Theme Detector,What Shopify Theme Is This?

https://storetrace.link/tools/theme-detector
1•bitvvip•29m ago•0 comments

Lawsuit Seeks to Stop the UFC Fight on the White House South Lawn

https://apnews.com/article/white-house-ufc-fight-lawsuit-trump-birthday-da95554d7137ca297dd47951a...
6•petethomas•31m ago•0 comments

Teenage Engineering: Introducing APC-2

https://teenage.engineering/products/apc-2
51•vthommeret•33m ago•17 comments

Ask HN: What are the best examples of good technical writing you know of?

3•CSMastermind•33m ago•2 comments

Making Software – Image Compression

https://www.makingsoftware.com/chapters/image-compression
2•Brajeshwar•36m ago•0 comments

Pleasant Reader – a cozy reader mode for Chrome/Brave – (Chrome extension)

https://github.com/rajveerb/pleasant-reader
2•rajveerb•37m ago•0 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
20•mikhael•38m ago•3 comments

Bayesian Thinking for Toddlers: The Cartoon

https://www.bayesianspectacles.org/bayesian-thinking-for-toddlers-the-cartoon/
2•jruohonen•38m ago•0 comments

Tech Worker Ethical Concerns Research Project

1•jonleuen•41m ago•0 comments

last30days-skill

https://github.com/mvanhorn/last30days-skill
2•pykello•43m ago•0 comments

Ask HN: What's good for VR these days, free and paid

3•razorbeamz•47m ago•3 comments

How Gambling Turned Your Feed into Slop

https://www.youtube.com/watch?v=Lw6gpYJzujE
4•flakespancakes•54m ago•0 comments

How does anybody test phone applications that do location tracking?

https://twitter.com/LyleMakes/status/2063784301594853657
1•lylejantzi3rd•54m ago•2 comments

Atlas: Metadata-first proof chains for critical digital actions

https://github.com/rodriguezaa22ar-boop/atlas-trust-infrastructure/discussions/85
2•astra_omnia•58m ago•0 comments

I asked a few hundred builders how they decide it's time to launch

https://nicklaunches.com/blog/week-5-recap-june-07-2026/
1•nicklaunches•59m ago•0 comments