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Show HN: Rebuilt My Social Network with Codex in One Day

https://crosspassion.onrender.com/
1•subdomain•1h ago
Hi HN, I'm Micah Blachman, the creator of Crosspassion. After posting about my previous version a few days ago, I rebuilt the entire app from the ground using Codex.

Crosspassion aims to be Reddit, but for finding where your interests overlap. If I was interested in, say, mechanical keyboards and type design, I could check the mechanical keyboard/type design community, and look at the latest discoveries of projects that combine both interests. Plus, you get to connect with people who share your exact crosspassion, or interest combination.

I'm not a developer, so I used Codex for the code. I'm the first to say AI-generated websites and web apps are not a match for the quality of human-created projects, but Crosspassion is still very early-stage.

I'd love feedback on how to improve Crosspassion even further, and if you're a developer and you have any ideas about how to take the project to the next level, feel free to reach out!

I wrote about the idea behind Crosspassion on my newsletter: https://micahblachman.beehiiv.com/p/crosspassion/, and you can contact me at micah.blachman@gmail.com.

-Micah

The Seamstress Who Solved the Ancient Mystery of the Argonaut

https://www.themarginalian.org/2026/02/23/jeanne-villepreux-power-argonaut/
1•cyanbane•5m ago•0 comments

Show HN: Rungs.dev – IDE for PLC AOIs with Structured Text and Ladder Logic

https://rungs.dev/
1•Dagryl•5m ago•0 comments

Gogi – An AI-powered terminal assistant with native device-code OAuth

https://gogi.webdeb.de
1•thedumbuser•6m ago•2 comments

Timing Superintelligence

https://importai.substack.com/p/import-ai-445-timing-superintelligence
1•andsoitis•6m ago•0 comments

A simple L7 proxy for vLLM that manages LoRA adapter storage via NVMes

https://github.com/shayonj/loraplex
1•shayonj•6m ago•0 comments

React Native Comes to Meta Quest

https://reactnative.dev/blog/2026/02/24/react-native-comes-to-meta-quest
1•soheilpro•7m ago•0 comments

Matrix Inverse Square Root (SPD) with Fixed-Budget GEMM Kernels

https://jiha-kim.github.io/posts/fast-matrix-inverse-square-root/
1•ibobev•7m ago•0 comments

Rascal's Wager

https://sergey.substack.com/p/rascals-wager
2•neural_thing•7m ago•0 comments

An AI doomsday report shook US markets

https://www.theguardian.com/technology/2026/feb/24/feedback-loop-no-brake-how-ai-doomsday-report-...
2•geox•8m ago•0 comments

Flake Checks in Shell

https://entropicthoughts.com/flake-checks-in-shell
2•ibobev•8m ago•0 comments

Another Viral AI Doomer Article, the Fundamental Error, DoorDash's AI Advantages

https://stratechery.com/2026/another-viral-ai-doomer-article-the-fundamental-error-doordashs-ai-a...
1•swyx•9m ago•0 comments

The Edge of Mathematics – Interview with Terence Tao

https://www.theatlantic.com/technology/2026/02/ai-math-terrance-tao/686107/
1•haomiao•9m ago•0 comments

Zero Human Involvement: Why Full Autonomy Is the Only Measure of Personalisation

https://swifterm.com/zero-human-involvement-personalisation-maturity/
1•SwiftERM•10m ago•1 comments

This YouTube video is a drawing app

https://www.youtube.com/watch?v=LuangEd48wI
1•Alifatisk•10m ago•0 comments

Letters to a Young Creator

https://letters.stevejobsarchive.com/
1•tosh•11m ago•0 comments

The Data Architecture Behind Autonomous Hyper-Personalisation

https://swifterm.com/data-architecture-behind-autonomous-hyper-personalisation/
1•SwiftERM•11m ago•1 comments

Fire Up the Wayback Machine

https://www.archpaper.com/2026/02/curbed-archive-urban-reporting-goes-dark/
1•herbertl•13m ago•0 comments

Open Data Hub Data Browser – Explore and Query Open Datasets

https://github.com/noi-techpark/opendatahub-databrowser
3•KadambariSuresh•14m ago•0 comments

Show HN: Code Execution for LLMs via a Sandboxed Lua REPL

https://caioaao.dev/blog/code-execution-for-llms/
1•caioaao•15m ago•0 comments

Novo Nordisk to Cut U.S. List Prices for Ozempic, Wegovy by Up to 50%

https://www.wsj.com/health/pharma/novo-nordisk-to-cut-u-s-list-prices-for-ozempic-wegovy-by-up-to...
4•impish9208•16m ago•1 comments

What's New in PHP Extension for Visual Studio Code

https://blog.devsense.com/2026/vscode-updates-2026-01/
1•jakubmisek•16m ago•1 comments

Paying publishers when LLMs use their pages: recognyze.ai

https://www.recognyze.ai/
1•vinipolicena•16m ago•0 comments

Artificial Intelligence: What Should the Educational System Do to Survive?

1•kokhanserhii•17m ago•0 comments

Why do falls rise with age? Study points to cerebellar neuron firing

https://medicalxpress.com/news/2026-02-falls-age-cerebellar-neuron.html
1•bikenaga•17m ago•2 comments

Show HN: A fast way to clean and convert messy CSV/JSON files in the browser

https://www.datumintapp.com/
1•sumit_entr42•19m ago•0 comments

Show HN: Detect LLM hallucinations via geometric drift (0.9 AUC, 1% overhead)

https://github.com/yubainu/sibainu-engine
1•yubainu•19m ago•1 comments

Unequal Treatment Perceptions and Rural Backlashes Against Carbon Taxation [pdf]

https://kclpure.kcl.ac.uk/ws/portalfiles/portal/362225842/Hope_Limberg_and_Steinebach_-_AAM_-_EJP...
1•PaulHoule•20m ago•0 comments

Cppsp v1.5 –module system update

https://github.com/user19870/cppsp
1•user19870•20m ago•0 comments

Software 3.1? – AI Functions

https://blog.mikegchambers.com/posts/software-31-ai-functions/
7•aspittel•21m ago•2 comments

Build a Transformer with Jax [video]

https://www.youtube.com/watch?v=MmxPBgrrn4Q
1•apitman•22m ago•0 comments