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New hybrid positioning system promises reliable tracking where GPS fails

https://www.qmul.ac.uk/news/latest-news/2026/science-and-engineering/se/new-hybrid-positioning-sy...
1•hhs•7m ago•0 comments

Multi-Agent LLMs Fail to Explore Each Other

https://arxiv.org/abs/2607.11250
1•Anon84•8m ago•1 comments

Statistical test helps judge the value of personalization

https://news.stanford.edu/stories/2026/07/statistical-test-personalization-k-fold
1•hhs•9m ago•0 comments

Java was a three-day hotfix away from dying horribly on stage

https://www.theregister.com/devops/2026/07/18/java-was-a-three-day-hotfix-away-from-dying-horribl...
1•jnord•10m ago•0 comments

The headache of hospital pricing

https://lawliberty.org/the-headache-of-hospital-pricing/
1•hhs•12m ago•0 comments

The 3:47 Am Wake‑Up Call That Changed Everything

https://hackenewhome.blogspot.com/p/code-optimise-pour-blogger-suppression.html
1•AllForAll•14m ago•0 comments

Juggling for Blind People

https://www.jugglingforblindpeople.com/
3•pipnonsense•15m ago•0 comments

Even Microsoft couldn't make Windows 11 work well on 8GB of RAM

https://www.theverge.com/tech/966937/microsoft-surface-laptop-13-inch-8gb-ram-2026-review
2•GeekyBear•17m ago•1 comments

Welcome to Toronto, World Capital of the Urban Raccoon

https://lithub.com/welcome-to-toronto-world-capital-of-the-urban-raccoon/
2•herbertl•19m ago•0 comments

HN: Save Replay – Trim a video before uploading it

https://savereplay.com
2•IGOLz•20m ago•0 comments

Don't Force the Money Too Early

https://nik.art/dont-force-the-money-too-early/
2•herbertl•22m ago•0 comments

Prompted to Start: How Generative AI Is Transforming Entrepreneurship [pdf]

https://conference.nber.org/conf_papers/f238865.pdf
2•herbertl•23m ago•0 comments

SafeAI – Open-Source Static AI Risk Analyzer for AI Agents

https://github.com/ikaruscareer/SafeAI
2•ikaruscareer•24m ago•0 comments

How Indian Railways plans to stop blanket, bedsheet theft on trains

https://www.moneycontrol.com/europe/?url=https://www.moneycontrol.com/news/india/how-indian-railw...
2•rustoo•25m ago•0 comments

Hiring Private equity firm doing 9M in revenue

https://www.careerjumpship.com/jobs/fullstack-engineer-cofounder-nyc-b84627f7
2•jaredzwick•28m ago•0 comments

Gap in Mochizuki's proof of ABC confirmed by Lean

https://twitter.com/FumiharuKato/status/2078017230537892207
3•ogogmad•29m ago•0 comments

Can you build a five that beats the 73-9 Warriors?

https://www.73-9-game.com/
2•jeyzolo•33m ago•1 comments

Mayor Mamdani Says Landlords Can't Use AI Images to Advertise

https://petapixel.com/2026/07/16/mayor-mamdani-says-landlords-cant-secretly-use-ai-images-to-adve...
22•gnabgib•35m ago•6 comments

The Professor Who Taught People How to Think (1962) [video]

https://www.youtube.com/watch?v=rBN5SWCReJQ
2•kklisura•37m ago•0 comments

AI Mania Is Eviscerating Global Decision-Making

https://hermit-tech.com/blog/ai-mania-is-eviscerating-global-decisionmaking
5•frizlab•38m ago•0 comments

Real-Time LuaTeX: Recompiling Large Documents in 1ms [pdf]

https://www.tug.org/tug2026/preprints/lode-realtime.pdf
2•amichail•39m ago•0 comments

Show HN: RewindCup – explore 23 World Cups on an interactive globe

https://rewindcup.com
2•iamdavidoti•41m ago•0 comments

curl can be used to send emails with SMTP

https://mastodon.social/@chr1stian/116924759058231144
6•21sys•43m ago•0 comments

Roger Summit, Early Search Pioneer, Dies at 95

https://www.nytimes.com/2026/07/17/technology/roger-summit-dead.html
2•furytrader•43m ago•0 comments

I built a lockfree(where applicable) fibers workstealing jobs system/scheduler

https://github.com/jay403894-bit/JLib-Scheduler
2•jay403894•43m ago•1 comments

Judge a book by its first pages

https://uncovered.ink
9•bookofjoe•46m ago•8 comments

Classic Amiga titles, free to download

https://amigafreeware.downer.tech/
2•doener•53m ago•0 comments

Next UK prime minister Andy Burnham drops digital ID scheme

https://www.reuters.com/world/uk/next-uk-prime-minister-andy-burnham-drops-digital-id-scheme-2026...
3•lemoncookiechip•54m ago•1 comments

World Cup France England 0:4 halftime

4•pm2222•56m ago•1 comments

Hardcore IndieWeb: Run your own website 100% independently for only $0.01/day

https://www.neatnik.net/hardcore-indieweb
12•cdrnsf•1h ago•5 comments
Open in hackernews

I solved almost all of free problems on LeetCode using AI

https://old.reddit.com/r/leetcode/comments/1krg7by/i_solved_almost_all_of_free_problems_on_leetcode/
3•tevlon•1y ago

Comments

cratermoon•1y ago
I'm sure all the free problems from LeetCode are in the training sets, so I don't think this is much of a flex.
tevlon•1y ago
i was thinking the same. And i am sure it is in the training set, but i couldn't solve 10 hard problems. Also, most of the hard problems, the LLMs weren't able to solve in one shot. How do you explain this?
cratermoon•1y ago
There are many more correct answers to the easy problems than to the hard ones. Thus the LLM is more likely to hit upon the correct completion for them.
tevlon•1y ago
makes sense
whobre•1y ago
Alright, but how can this exercise help them pass an interview? The point of leetcode is to memorize the solutions so one can do well in an interview; yes, I agree it’s ridiculous.