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PlankDB – A Quantum-Powered Key-Value Store with Grover (Spring Boot)

https://github.com/swampus/plank-db
1•swampus•11mo ago

Comments

swampus•11mo ago
Hi HN!

We’ve built *PlankDB*, an experimental key-value database that supports quantum-powered search via Grover's algorithm.

It combines: - Quantum search using IBM Qiskit (Grover's Algorithm) - Java 17 + Spring Boot + Clean Architecture - RESTful API with Swagger - Support for local (simulated) and IBM remote quantum execution

The quantum part isn't just a gimmick — it performs a *probabilistic search* over inserted keys using Grover’s quadratic speedup. We also support classical search for comparison.

The project is fully open-source and actively maintained: https://github.com/swampus/plank-db

Would love your feedback — ideas, bugs, or quantum jokes are all welcome!

Claude changes headless usage from June 15

https://twitter.com/ClaudeDevs/status/2054610152817619388
1•tzmlab•3m ago•0 comments

Less is exponentially more (2012)

https://commandcenter.blogspot.com/2012/06/less-is-exponentially-more.html
1•tosh•3m ago•0 comments

Behind the Sound of Ninja Gaiden: Ragebound

https://www.audiokinetic.com/en/community/blog/ninja-gaiden-ragebound/
1•severine•3m ago•0 comments

Lets Roast Your Website

1•ajaysheoran2323•5m ago•0 comments

Show HN: ChangeSpec – An open standard for notices in software changes

https://changespec.org/
1•cdnsteve•6m ago•1 comments

Daily Food Guessing Game

https://munchle.day/
1•shumaher•9m ago•0 comments

Riding the Leopard

https://www.notboring.co/p/riding-the-leopard
1•jger15•9m ago•0 comments

TypedArray.prototype.map()

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/map
1•tosh•10m ago•0 comments

Researchers say AI just broke every benchmark for autonomous cyber capability

https://cyberscoop.com/ai-autonomous-cyber-capability-benchmarks-broken-gpt5-claude-mythos/
1•lschueller•12m ago•0 comments

Avocado Studio – open-source AI content editor for Next.js sites

https://docs.avocadostudio.dev
1•yury_h•12m ago•0 comments

40-Year-Old System Analyzed with AI: It Turned Out to Have a Modern Architecture

https://medium.com/@noborutakahashi/a-40-year-old-system-analyzed-with-ai-it-turned-out-to-have-a...
1•fragmede•14m ago•0 comments

Britain just issued a cigarette ban that would shock Americans

https://slate.com/life/2026/05/britain-united-kingdom-smoking-cigarette-law-banned.html
3•sizzle•15m ago•0 comments

I Built a Programming Languge Inside Debug.com

https://code.likeagirl.io/programmers-survival-guide-for-a-zombie-apocalypse-f1580422675a?sk=769b...
1•nextputall•15m ago•0 comments

I found the most underrated B2B lead source for SaaS

https://www.indiehackers.com/post/the-most-underrated-b2b-lead-source-for-saas-CZjbmrpd8HrNELM7l3E3
1•stangineer•16m ago•0 comments

Senior Full Stack Developer (Next.js / Node.js / React / Vue)

https://news.ycombinator.com/submita
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https://www.cnn.com/travel/milan-stazione-centrale-binario-21-shoah-memorial
1•sizzle•18m ago•0 comments

Build with Notion's Developer Platform

https://www.notion.com/product/dev
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Claude Opus 4.7 leaks system prompt randomly

https://old.reddit.com/r/ClaudeAI/comments/1tcsec4/claude_opus_47_just_revealed_its_system_prompt/
2•ixeption•20m ago•0 comments

Studid v2 – Free API for academic verification via university SSO

https://studid.io/blog/api-v2-release
1•wagnandr•22m ago•0 comments

Facebook comments on Citizen-Dividends from AI roil Korean markets

https://finance.yahoo.com/economy/policy/articles/korea-roils-market-floating-citizen-081026940.html
1•oliculipolicula•22m ago•0 comments

Geometry Conflict: Explain & Controll Forgetting in LLM Continual Post-Training

https://huggingface.co/papers/2605.09608
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Beware AI Productivity Theater

https://iknowa.spot/posts/26-5-9-beware-ai-productivity-theater
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Urlsify.com, a Free Link Shortener with Analytics, Custom Links, and More

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Accelerated Arctangent Series

https://en.wikipedia.org/wiki/Arctangent_series
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Axavive Anti Aging Support Formula Benefits Explained

https://finance.yahoo.com/sectors/healthcare/articles/axavive-skin-exploding-2026-golden-22590060...
1•farzsapu•28m ago•0 comments

Bloat (2024)

https://docs.google.com/presentation/d/e/2PACX-1vSmIbSwh1_DXKEMU5YKgYpt5_b4yfOfpfEOKS5_cvtLdiHsX6...
1•tosh•28m ago•0 comments

Being Poor (2005)

https://whatever.scalzi.com/2005/09/03/being-poor/
3•chistev•33m ago•0 comments

Is LinkedIn's "Who Viewed Your Profile" Feature Illegal Under GDPR?

https://www.raconteur.net/technology/is-linkedins-who-viewed-your-profile-feature-illegal-under-gdpr
1•taubek•37m ago•0 comments

Apple's Aperture site is still online in 2026

https://www.apple.com/welcomescreen/aperture3/
2•giladvdn•42m ago•1 comments

Testing at the Boundaries (2019)

https://www.tedinski.com/2019/03/19/testing-at-the-boundaries.html
1•tie-in•44m ago•0 comments