YHacker Newsscreenshots

Hacker News on Saturday, 23 August 2025

Stories posted this day, by points. Rank history starts with the October 2026 rebuild.

Screenshot of minusx.ai: What makes Claude Code so damn good

What makes Claude Code so damn good (minusx.ai)

415 points by samuelstros 1 year ago | 276 comments

A MinusX blog post analyzing what makes Anthropic's Claude Code agent effective, including its system prompts, and how to recreate those design patterns in other agents.

claude-code anthropic ai-agents prompt-engineering

Screenshot of daniel.lawrence.lu: Line scan camera image processing for train photography

Line scan camera image processing for train photography (daniel.lawrence.lu)

415 points by dllu 1 year ago | 66 comments

A personal blog post explaining the processing pipeline for line scan camera photos of trains, covering speed estimation, resampling, demosaicing, denoising, and color calibration.

line-scan-camera image-processing demosaicing denoising

Screenshot of github.com: Manim: Animation engine for explanatory math videos

Manim: Animation engine for explanatory math videos (github.com)

388 points by pykello 1 year ago | 65 comments

GitHub repository for Manim, 3Blue1Brown's Python animation engine for creating explanatory math videos.

manim 3blue1brown python math-animation

Screenshot of thedrive.com: Toyota is recycling old EV batteries to help power Mazda's production line

Toyota is recycling old EV batteries to help power Mazda's production line (thedrive.com)

295 points by computerliker 1 year ago | 130 comments

Screenshot of blog.oberien.de: The cost of interrupted work (2023)

The cost of interrupted work (2023)(blog.oberien.de)

262 points by _vaporwave_ 1 year ago | 195 comments

Screenshot of github.com: Librebox: An open source, Roblox-compatible game engine

Librebox: An open source, Roblox-compatible game engine (github.com)

251 points by libreboxdevs 1 year ago | 70 comments

Screenshot of tbray.org: RFC 9839 and Bad Unicode

RFC 9839 and Bad Unicode (tbray.org)

250 points by Bogdanp 1 year ago | 122 comments

Screenshot of kottke.org: I made a floppy disk from scratch

I made a floppy disk from scratch (kottke.org)

187 points by bookofjoe 1 year ago | 72 comments

Screenshot of openmymind.net: I'm too dumb for Zig's new IO interface

I'm too dumb for Zig's new IO interface (openmymind.net)

175 points by begoon 1 year ago | 167 comments

Screenshot of underlap.org: Developer's block

Developer's block (underlap.org)

171 points by todsacerdoti 1 year ago | 92 comments

Screenshot of smithsonianmag.com: A 2k-year-old sun hat worn by a Roman soldier in Egypt

A 2k-year-old sun hat worn by a Roman soldier in Egypt (smithsonianmag.com)

161 points by sensiquest 1 year ago | 40 comments

Screenshot of romhack.ing: Romhack.ing's Internet Archive Mirror No Longer Available

Romhack.ing's Internet Archive Mirror No Longer Available (romhack.ing)

146 points by pharrington 1 year ago | 28 comments

Screenshot of gau-nernst.github.io: Writing Speed-of-Light Flash Attention for 5090 in CUDA C++

Writing Speed-of-Light Flash Attention for 5090 in CUDA C++(gau-nernst.github.io)

145 points by dsr12 1 year ago | 32 comments

Screenshot of arstechnica.com: Measuring the environmental impact of AI inference

Measuring the environmental impact of AI inference (arstechnica.com)

139 points by ksec 1 year ago | 71 comments

Screenshot pending…

AGI is an engineering problem, not a model training problem (vincirufus.com)

138 points by vincirufus 1 year ago | 277 comments

Screenshot pending…

I hacked Monster Energy (bobdahacker.com)

134 points by speckx 1 year ago | 113 comments

Screenshot of herman.bearblog.dev: The ROI of Exercise

The ROI of Exercise (herman.bearblog.dev)

118 points by ingve 1 year ago | 145 comments

Screenshot of lwn.net: Rethinking the Linux cloud stack for confidential VMs

Rethinking the Linux cloud stack for confidential VMs (lwn.net)

113 points by Bogdanp 1 year ago | 44 comments

Screenshot of sophiebits.com: Materialized views are obviously useful

Materialized views are obviously useful (sophiebits.com)

111 points by gz09 1 year ago | 58 comments

Screenshot of github.com: SpaCy: Industrial-Strength Natural Language Processing (NLP) in Python

SpaCy: Industrial-Strength Natural Language Processing (NLP) in Python (github.com)

104 points by marklit 1 year ago | 42 comments

Screenshot of gizmodo.com: Light pollution prolongs avian activity

Light pollution prolongs avian activity (gizmodo.com)

104 points by gmays 1 year ago | 22 comments

Screenshot of english.kyodonews.net: Japan city drafts ordinance to cap smartphone use at 2 hours per day

Japan city drafts ordinance to cap smartphone use at 2 hours per day (english.kyodonews.net)

98 points by Improvement 1 year ago | 74 comments

Screenshot of libreantisocial.com: Libre – An anonymous social experiment without likes, followers, or ads

Libre – An anonymous social experiment without likes, followers, or ads (libreantisocial.com)

88 points by rododecba 1 year ago | 119 comments

Screenshot of darkcoding.net: Evaluating LLMs for my personal use case

Evaluating LLMs for my personal use case (darkcoding.net)

86 points by goranmoomin 1 year ago | 29 comments

Screenshot of actuallygoodregulations.eu: Good EU regulations

Good EU regulations (actuallygoodregulations.eu)

84 points by saubeidl 1 year ago | 62 comments

Screenshot of wwlln.net: World Wide Lightning Location Network

World Wide Lightning Location Network (wwlln.net)

79 points by perihelions 1 year ago | 31 comments

Screenshot pending…

Tesla insiders have sold more than 50% of their shares in the last year (electrek.co)

74 points by MilnerRoute 1 year ago | 42 comments

Screenshot of en.wikipedia.org: Cascata delle Marmore

Cascata delle Marmore (en.wikipedia.org)

73 points by arbuge 1 year ago | 11 comments

Screenshot of austinvernon.substack.com: Building ultra cheap energy storage for solar PV

Building ultra cheap energy storage for solar PV (austinvernon.substack.com)

72 points by theptip 1 year ago | 61 comments

Screenshot of learndelphi.org: Delphi in the Age of AI

Delphi in the Age of AI (learndelphi.org)

66 points by andsoitis 1 year ago | 44 comments

Screenshot pending…

RFK Jr demanded a vaccine study be retracted – the journal said no (nature.com)

58 points by rntn 1 year ago | 37 comments

Screenshot of mfbmina.dev: Waitgroups: What they are, how to use them and what changed with Go 1.25

Waitgroups: What they are, how to use them and what changed with Go 1.25 (mfbmina.dev)

50 points by mfbmina 1 year ago | 38 comments

Screenshot of utcc.utoronto.ca: Websites and web developers mostly don't care about client-side problems

Websites and web developers mostly don't care about client-side problems (utcc.utoronto.ca)

49 points by zdw 1 year ago | 42 comments

Screenshot of arstechnica.com: Developer sentenced to prison for activating “kill switch” to avenge his firing

Developer sentenced to prison for activating “kill switch” to avenge his firing (arstechnica.com)

48 points by Volundr 1 year ago | 40 comments

Screenshot of amiga.vision: The Amiga games and demo scene collection

The Amiga games and demo scene collection (amiga.vision)

47 points by doener 1 year ago | 7 comments

Screenshot of malsmith.net: A visual history of Visual C++ (2017)

A visual history of Visual C++ (2017)(malsmith.net)

45 points by rayanboulares 1 year ago | 33 comments

$Screenshot of arxiv.org: Integer continued fractions for complex numbers$

Integer continued fractions for complex numbers (arxiv.org)

45 points by bikenaga 1 year ago | 2 comments

Screenshot of theguardian.com: Will at centre of legal battle over Shakespeare’s home unearthed after 150 years

Will at centre of legal battle over Shakespeare’s home unearthed after 150 years (theguardian.com)

43 points by forthelose 1 year ago | 15 comments

Screenshot pending…

YouTube's sneaky AI 'experiment'(theatlantic.com)

38 points by JumpCrisscross 1 year ago | 35 comments

Screenshot of apps.apple.com: Show HN: I Made the Hardest Focus App

Show HN: I Made the Hardest Focus App (apps.apple.com)

38 points by Dhikshith12 1 year ago | 32 comments

Screenshot of jalopnik.com: The F-35 is losing the trade war

The F-35 is losing the trade war (jalopnik.com)

36 points by rntn 1 year ago | 29 comments

Screenshot of atomic14.substack.com: Setting serial baud rate on ESP-IDF does nothing

Setting serial baud rate on ESP-IDF does nothing (atomic14.substack.com)

33 points by iamflimflam1 1 year ago | 31 comments

Screenshot pending…

Debdelta (debdelta.debian.net)

32 points by Bogdanp 1 year ago | 5 comments

Screenshot of gimp-print.sourceforge.io: Gutenprint Discontinues macOS Support

Gutenprint Discontinues macOS Support (gimp-print.sourceforge.io)

31 points by soraminazuki 1 year ago | 20 comments

Screenshot of theatlantic.com: Actually, Slavery Was Very Bad

Actually, Slavery Was Very Bad (theatlantic.com)

31 points by layer8 1 year ago | 2 comments

Screenshot of github.com: Show HN: OctaneDB – Fast, Open-Source Vector Database for Python

Show HN: OctaneDB – Fast, Open-Source Vector Database for Python (github.com)

30 points by rijin_r 1 year ago | 8 comments

Screenshot of jero.zone: 3D printing a building with 756 windows

3D printing a building with 756 windows (jero.zone)

30 points by jer0me 1 year ago | 6 comments

Screenshot of dfarq.homeip.net: Building a computer in the 90s (2019)

Building a computer in the 90s (2019)(dfarq.homeip.net)

29 points by networked 1 year ago | 26 comments

Screenshot of nber.org: Determinants and causal effects of admission to selective private colleges [pdf] (2023)

Determinants and causal effects of admission to selective private colleges [pdf] (2023)(nber.org)

29 points by EvgeniyZh 1 year ago | 39 comments

Screenshot of shayon.dev: Bypass PostgreSQL catalog overhead with direct partition hash calculations

Bypass PostgreSQL catalog overhead with direct partition hash calculations (shayon.dev)

28 points by shayonj 1 year ago | 8 comments

Screenshot pending…

The problems that accountability can't fix (surfingcomplexity.blog)

27 points by gpi 1 year ago | 2 comments

Screenshot of amny.com: Self-driving cars begin testing on NYC streets

Self-driving cars begin testing on NYC streets (amny.com)

24 points by pkaeding 1 year ago | 34 comments

Screenshot of sfgate.com: California teens are ditching office jobs – and making $100K before they turn 21

California teens are ditching office jobs – and making $100K before they turn 21 (sfgate.com)

22 points by dragonbonheur 1 year ago | 34 comments

Screenshot of github.com: Optimizing FizzBuzz in Rust

Optimizing FizzBuzz in Rust (github.com)

21 points by Bogdanp 1 year ago | 6 comments

Screenshot of techxplore.com: Robots can now learn to use tools just by watching us

Robots can now learn to use tools just by watching us (techxplore.com)

21 points by geox 1 year ago | 10 comments

Screenshot of creao.ai: Show HN: Creao – Vibe coding product for founders

Show HN: Creao – Vibe coding product for founders (creao.ai)

21 points by north_creao 1 year ago | 14 comments

Screenshot of openmeteo.substack.com: How to store weather forecast data for fast time-series APIs (2022)

How to store weather forecast data for fast time-series APIs (2022)(openmeteo.substack.com)

19 points by tcumulus 1 year ago | 1 comments

Screenshot of a16z.com: Building A16Z's Personal AI Workstation

Building A16Z's Personal AI Workstation (a16z.com)

17 points by ProofHouse 1 year ago | 28 comments

Screenshot of github.com: DeepCode: Open Agentic Coding

DeepCode: Open Agentic Coding (github.com)

14 points by balex 1 year ago | 1 comments

Screenshot of cmu.edu: Marital happiness = lovemaking rate – argument rate [pdf]

Marital happiness = lovemaking rate – argument rate [pdf](cmu.edu)

12 points by jimsojim 1 year ago | 1 comments