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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!

The Joy of Folding Bikes

https://blog.korny.info/2026/04/19/the-joy-of-folding-bikes
1•pavel_lishin•9s ago•0 comments

EFF Sues DHS and ICE for Records on Subpoenas Seeking to Unmask Online Critics

https://www.eff.org/press/releases/eff-sues-dhs-and-ice-records-subpoenas-seeking-unmask-online-c...
1•hn_acker•16s ago•0 comments

Twitter API is $100/month. Reddit API is a maze. so we built a free one

https://webmatrices.com/post/twitter-api-is-100-month-reddit-api-is-a-maze-so-we-built-an-mcp-ser...
1•bishwasbh•40s ago•0 comments

Linux application sandboxing – old tech for the future

https://www.dedoimedo.com/computers/linux-sandbox-firejail-xpra.html
1•speckx•3m ago•0 comments

Show HN: Flipbook – scrub through media frame-by-frame

https://flipbook.browserbox.io/
2•keepamovin•3m ago•1 comments

Chrome's New AI Web APIs Are Enabling Hardware Fingerprinting

https://datadome.co/threat-research/how-chromes-new-ai-web-apis-enable-hardware-fingerprinting/
2•azerpas•3m ago•1 comments

Google trend content generation pipeline

https://hyperscale.top/trends.html
1•agharsallah•4m ago•0 comments

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https://getquicklog.com/
1•ziofill•7m ago•0 comments

German Cabinet Approves IP Address Storage Law to Combat Online Crime

https://www.newsworm.de/news/german-cabinet-approves-ip-address-storage-law-to-combat-online-crime
1•Cider9986•10m ago•0 comments

Apple Mail MCP

https://github.com/s-morgan-jeffries/apple-mail-mcp
2•buibuibui•10m ago•0 comments

SuperMCP: Reddit, Twitter, Trends for AI Tools. Zero API Keys, Just Chrome

https://webmatrices.com/supermcp
1•bishwasbh•11m ago•0 comments

We Gave Claude Opus 4.7 and Kimi K2.6 the Same Workflow Orchestration Spec

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AI Gives Better Answers Than Google

https://thefinancebuff.com/ai-better-answers-than-google.html
1•kamaraju•12m ago•0 comments

How do developers define their worth when code is written by AI?

https://christianheilmann.com/2026/04/21/how-do-developers-define-their-worth-when-code-is-writte...
1•speckx•12m ago•0 comments

LLM from scratch, part 33 – what I learned from the appendices

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QEMU 11.0 Released with CET Virtualization Support, Native Nitro Enclaves

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1•Brajeshwar•13m ago•0 comments

Ubuntu Rust Coreutils Audit Revealed 113 Issues

https://www.phoronix.com/news/Ubuntu-Rust-Coreutils-Audit
1•mikece•14m ago•0 comments

Grml – Debian based Linux Live system especially for system administrators

https://grml.org/
1•modinfo•14m ago•0 comments

Startups Brag They Spend More Money on AI Than Human Employees

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4•SLHamlet•16m ago•0 comments

No more excuses, it's time to switch to Linux

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3•abnercoimbre•16m ago•0 comments

Ask HN: In your job with all the AI go-go/execution velocity – are you lonely?

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2•xngbuilds•19m ago•0 comments

Moderna starts late-stage trial of bird flu vaccine in US, UK

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4•saikatsg•19m ago•0 comments

Humble Raised $24M for a Cabless Truck

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3•SaaSasaurus•20m ago•0 comments

Cognitive debt: The hidden risk in AI-driven software development

https://newsletter.getdx.com/p/cognitive-debt-the-hidden-risk-in
3•azhenley•20m ago•0 comments

Alberta Startup Sells No-Tech Tractors for Half Price

https://wheelfront.com/this-alberta-startup-sells-no-tech-tractors-for-half-price/
43•Kaibeezy•21m ago•3 comments

Show HN: We Fixed Code Throughput. Understanding Is Now the Bottleneck

https://blog.jaystuart.dev/stop-paying-your-ai-agent-to-re-learn-your-codebase-every-conversation/
3•Craze0•21m ago•0 comments

World food systems 'pushed to the brink' by extreme heat, UN warns

https://www.theguardian.com/world/2026/apr/22/world-food-systems-extreme-heat-farming-un-report
4•measurablefunc•21m ago•0 comments

Systems Thinking Explained

https://read.thecoder.cafe/p/systems-thinking
4•0xKelsey•22m ago•1 comments

MiMo-v2.5-Pro

https://mimo.xiaomi.com/mimo-v2-5-pro
3•sweetdreamerit•22m ago•0 comments