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.NET: Avoid Using Guid.CreateVersion7

https://gist.github.com/sdrapkin/03b13a9f7ba80afe62c3308b91c943ed
2•sdrapkin•1h ago

Comments

sdrapkin•1h ago
Guid.CreateVersion7 in .NET 9+ claims RFC 9562 compliance but violates its big-endian requirement for binary storage. This causes the same database index fragmentation that v7 UUIDs were designed to prevent. Testing with 100K PostgreSQL inserts shows rampant fragmentation (35% larger indexes) versus properly-implemented sequential GUIDs.

Fei-Fei Li Says Spatial Intelligence Is AI's Next Frontier

https://www.theneuron.ai/explainer-articles/why-godmother-of-ai-dr-fei-fei-li-says-spatial-intell...
1•gmays•2m ago•0 comments

Proving two ML models are equivalent using Z3 (with code)

https://www.testingbranch.com/Z3-and-model-equivalence/
1•mpcsb•2m ago•1 comments

Show HN: Visual Types – A humble set of animated TypeScript concepts

https://types.kitlangton.com
1•sparklyoldman•5m ago•0 comments

Virgin Media O2 seals deal with Elon Musk firm to boost UK rural mobile coverage

https://www.theguardian.com/business/2025/oct/30/virgin-media-o2-seals-deal-with-elon-musk-firm-t...
1•PaulHoule•6m ago•0 comments

A new stream abstraction for rust

https://docs.rs/ufotofu/latest/ufotofu/
1•rklaehn•7m ago•0 comments

The Message in the Medium

https://asteriskmag.com/issues/12-books/the-message-in-the-medium
1•surprisetalk•7m ago•0 comments

Posting Baby Pictures

https://justismills.substack.com/p/on-posting-baby-pictures
1•surprisetalk•7m ago•0 comments

Did you know you can just buy blackbelts?

https://www.lesswrong.com/posts/XpfyNxH7sH7JCLhhA/did-you-know-you-can-just-buy-blackbelts
1•surprisetalk•7m ago•1 comments

Confuse Some SSH Bots

https://mirror.newsdump.org/confuse-some-ssh-bots.html
1•Bender•8m ago•0 comments

Wikipedia warns AI: Without human editors, machines risk collapse

https://onnetpulse.com/wikipedia-warns-ai-without-human-editors-machines-risk-collapse/
1•Contributor_G•9m ago•0 comments

Wireless, energy-autonomous remote monitoring of bolted joints

https://www.lbf.fraunhofer.de/en/projects/energy-self-sufficient-remote-monitoring-screw-connecti...
1•o4c•11m ago•0 comments

I'm a Psychoanalyst. This Is What Technology Is Doing to Us

https://www.nytimes.com/2025/11/11/opinion/iphone-therapy-meditation-mindfulness.html
2•bookofjoe•11m ago•1 comments

Show HN: Shopscan.io – Automated Shopify Store Audits for Agencies/Freelancers

https://shopscan.io?referer=hackernews&utm_source=hackernews
1•mrwangust•11m ago•0 comments

MIT researchers propose a new model for legible, modular software

https://news.mit.edu/2025/mit-researchers-propose-new-model-for-legible-modular-software-1106
1•gadflyinyoureye•12m ago•1 comments

Companies seeing real returns on agents

https://www.wsj.com/articles/companies-begin-to-see-a-return-on-ai-agents-671d830d
1•dschol•12m ago•0 comments

Show HN: A tiny TypeScript library to guard against prompt injection

https://andersmyrmel.com/blog/a-lightweight-way-to-guard-against-prompt-injection/
1•andersmyrmel•13m ago•0 comments

Show HN: PixExact – text/image-to-image with exact pixel sizes (up to 4096px)

https://www.pixexact.com
1•wismoy•14m ago•0 comments

Bounding Speculative Execution of Atomic Regions to a Single Retry

https://dl.acm.org/doi/10.1145/3622781.3674176
1•blakepelton•14m ago•1 comments

China's EV Market Is Imploding

https://www.theatlantic.com/international/2025/11/china-electric-cars-market/684887/
3•breve•14m ago•1 comments

Backblaze Drive Stats for Q3 2025

https://www.backblaze.com/blog/backblaze-drive-stats-for-q3-2025/
1•woliveirajr•15m ago•0 comments

Where did the 10k steps a day come from? (2018)

https://www.theguardian.com/lifeandstyle/2018/sep/03/watch-your-step-why-the-10000-daily-goal-is-...
3•rzk•15m ago•1 comments

My first Chrome Extension Transform everything into a text-only article

https://chromewebstore.google.com/detail/yumi-reader/mehgdiibdekeijgighimokcacadbeiof
2•uscnehn•17m ago•0 comments

Sara2.io – AI Image and Video Generation Platform Using Nano Banana and Sora2

https://www.nanobana.net
1•amierhan•19m ago•0 comments

Visual Studio 2026 is here: faster, smarter, and a hit with early adopters

https://devblogs.microsoft.com/visualstudio/visual-studio-2026-is-here-faster-smarter-and-a-hit-w...
2•taubek•20m ago•0 comments

The World Ahead 2026

https://www.economist.com/topics/the-world-ahead-2026
2•andsoitis•21m ago•0 comments

Jellify – a FOSS music player for Jellyfin

https://github.com/Jellify-Music
1•xbmcuser•22m ago•0 comments

Show HN: Ato – A thin ML layer. When results change, it tells you why

https://github.com/Dirac-Robot/ato
1•drbt•25m ago•2 comments

Metamaterials-Inspired Software Engineering

https://economyoftime.net/metamaterials-and-software-engineering-with-arrowspace-a13ab81540c9
1•tuned•25m ago•0 comments

Figma designs to code in minutes

1•alielroby•26m ago•0 comments

Coinbase and stablecoin startup BVNK call off $2B acquisition

https://fortune.com/2025/11/11/coinbase-bvnk-2-billion-deal-falls-through-stablecoins/
1•wslh•28m ago•1 comments