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Show HN: Go SYN Scanner – 21k Hosts in Under 1s

http://docs.serviceradar.cloud/blog/blazing-fast-go-syn-scanner/
2•carverauto•2h ago
We rewrote our TCP discovery workflow around raw sockets, TPACKET_V3 rings, cBPF filtering, and Go assembly for checksums.

The blog post breaks down the architecture, kernel integrations, and performance lessons from turning an overnight connect()-based scan into a sub-second SYN sweep.

Crafting Software: Writing Maintainable Code

https://wedgworth.dev/crafting-software-writing-maintainable-code/
1•paltman•2m ago•0 comments

Harvard FAS Cuts PhD Seats by More Than Half Across Next Two Admissions Cycles

https://www.thecrimson.com/article/2025/10/21/fas-phd-admissions-cuts/
1•bikenaga•4m ago•0 comments

OpenAI requested memorial attendee list in ChatGPT suicide lawsuit

https://techcrunch.com/2025/10/22/openai-requested-memorial-attendee-list-in-chatgpt-suicide-laws...
1•101008•6m ago•0 comments

Soak Up Fall Splendor on These 5 Western Road Trips

https://www.nytimes.com/2025/10/21/travel/fall-road-trips-foliage-western-us.html
1•whack•6m ago•0 comments

The Cooperative National Geologic Map

https://ngmdb.usgs.gov/nationalgeology/
1•rob•6m ago•0 comments

The key to universe exists may lie in an 1800s knot idea science once dismissed

https://phys.org/news/2025-10-key-universe-1800s-idea-science.html
4•wglb•10m ago•1 comments

Coverd: Bet on Your Bills

https://twitter.com/coverd/status/1902073936210182282
1•bobertdowney•13m ago•0 comments

Show HN: Onetone – A PHP full-stack framework with AI runtime, ORM, CLI

2•wowowoasdf•20m ago•2 comments

Start coding in Cursor, finish in Claude – full context follows you

https://github.com/Intina47/context-sync/releases/tag/v0.5.0
2•mambacodes•21m ago•2 comments

Sebastien Bubeck: Another twist in the Erdős problems story

https://twitter.com/SebastienBubeck/status/1980804267524116569
4•mathfan•23m ago•0 comments

the unplug project

https://weunplugged.org/
1•gregmadocks•23m ago•0 comments

US Efforts to Contain Xi's Push for Tech Supremacy Are Faltering (2024)

https://www.bloomberg.com/graphics/2024-us-china-containment/
2•kaycebasques•23m ago•1 comments

China Against China: Xi Jinping Confronts the Downsides of Success

https://www.foreignaffairs.com/china/against-china-xi-jinping-jonathan-czin
3•kaycebasques•25m ago•1 comments

Boa release v0.21 – a new release of Boa, a JavaScript engine written in Rust

https://boajs.dev/blog/2025/10/22/boa-release-21
2•todsacerdoti•27m ago•0 comments

Ask HN: Best practices for research code?

1•Eugeleo•28m ago•0 comments

Solve Puzzles with Light

https://groober.itch.io/my-light-spirit
1•electrodisk•28m ago•0 comments

I built a context management plugin and it CHANGED MY LIFE

https://old.reddit.com/r/ClaudeCode/comments/1odoo3k/i_built_a_context_management_plugin_and_it/
2•thedotmack•32m ago•1 comments

Corner crossing remains legal after Supreme Court rejects appeal

https://wyofile.com/corner-crossing-remains-legal-across-much-of-the-west-after-supreme-court-rej...
2•nkurz•35m ago•0 comments

Dr. Dre Interviews Quincy Jones

https://www.vibe.com/music/music-news/dr-dre-quincy-jones-beats-1-radio-interview-375230/
2•handfuloflight•38m ago•0 comments

Nvidia's H100 GPUs are going to space– space based solar-powered AI data centers

https://www.tomshardware.com/tech-industry/first-nvidia-h100-gpus-will-reach-orbit-next-month-cru...
1•pseudolus•44m ago•0 comments

Word Hy-phen-a-tion by Com-put-er [pdf]

https://www.tug.org/docs/liang/liang-thesis.pdf
1•oliverkwebb•45m ago•0 comments

How to make immigration palatable in a populist age

https://www.economist.com/finance-and-economics/2025/10/22/how-to-make-immigration-palatable-in-a...
5•petethomas•50m ago•1 comments

Ask HN: Doing moral work as software engineer?

2•rk65536•56m ago•2 comments

China's chipmakers are cleverly innovating around America's limits

https://www.economist.com/science-and-technology/2025/10/22/chinas-chipmakers-are-cleverly-innova...
2•pseudolus•58m ago•1 comments

Redistributing Git with Nostr

https://fiatjaf.com/18ff5416.html
3•todsacerdoti•1h ago•0 comments

Claim-Check Pattern

https://learn.microsoft.com/en-us/azure/architecture/patterns/claim-check
2•teleforce•1h ago•0 comments

Two Black Holes Observed Circling Each Other

https://www.universetoday.com/articles/two-black-holes-observed-circling-each-other-for-the-first...
2•bikenaga•1h ago•1 comments

Meta lays off 600 from "bloated" AI unit

https://www.cnbc.com/2025/10/22/meta-layoffs-ai.html
3•holden_nelson•1h ago•0 comments

Power from Quantum Space via the Casimir Effect

https://www.casimirspace.com/tech
1•dillonshook•1h ago•0 comments

Battery Storage Boom Faces Its Biggest Test Yet

https://oilprice.com/Energy/Energy-General/Battery-Storage-Boom-Faces-Its-Biggest-Test-Yet.html
1•PaulHoule•1h ago•0 comments