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First petahertz-speed phototransistor in ambient conditions

https://www.sciencedaily.com/releases/2025/05/250519204533.htm
1•mrbluecoat•2m ago•0 comments

DuckDB 1.3.0

https://duckdb.org/2025/05/21/announcing-duckdb-130.html
1•erikcw•3m ago•0 comments

A novel approach to metacognitive language models inspired by Indian philosophy

https://www.saranyan.com/research/self-reflective-llm/atma-bodha
1•wslh•3m ago•0 comments

CPanel's IPv6 Overhaul

https://blog.apnic.net/2025/05/21/cpanels-ipv6-overhaul/
2•ggm•5m ago•0 comments

What If We Had Bigger Brains? Imagining Minds Beyond Ours

https://writings.stephenwolfram.com/2025/05/what-if-we-had-bigger-brains-imagining-minds-beyond-ours/
1•andromaton•6m ago•0 comments

Expose on Failed Kentucky Startup AppHarvest

https://www.lpm.org/investigate/2023-11-16/a-celebrated-startup-promised-kentuckians-green-jobs-it-gave-them-a-grueling-hell-on-earth
1•andrewrn•7m ago•0 comments

Regression: Detailed Gemini Thinking Process Vanished from AI Studio

https://discuss.ai.google.dev/t/massive-regression-detailed-gemini-thinking-process-vanished-from-ai-studio/83916
1•thenameless7741•9m ago•0 comments

Dijkstra on Ada

https://craftofcoding.wordpress.com/2014/04/16/dijkstra-on-ada/
2•cpeterso•11m ago•0 comments

CEO Update: Exploration and experimentation for bold evolution

https://stackoverflow.blog/2025/05/20/ceo-update-exploration-and-experimentation-for-bold-evolution/
1•downboots•13m ago•0 comments

A.I. Is Poised to Revolutionize Weather Forecasting. A New Tool Shows Promise.

https://www.nytimes.com/2025/05/21/climate/ai-weather-models-aurora-microsoft.html
2•bookofjoe•18m ago•1 comments

The Future of Customer Support Is Lies, I Guess

https://aphyr.com/posts/387-the-future-of-customer-support-is-lies-i-guess
1•DylanSp•19m ago•0 comments

TypeID in Lua

https://push.cx/typeid-in-lua
1•todsacerdoti•21m ago•0 comments

Math and the Museum

https://mathenchant.wordpress.com/2025/05/21/math-and-the-museum/
1•jamespropp•24m ago•0 comments

The SpaceX genie is out of the bottle

https://chrisprophet.substack.com/p/spacex-transformation-b17
3•Teever•24m ago•0 comments

KumoRFM: Sub-second predictions better than classic predictive models [pdf]

https://kumo.ai/research/kumo_relational_foundation_model.pdf
1•gk1•28m ago•0 comments

Show HN: I built Vercel for your VPS, saving you money

https://pulseup.io/
1•ben_hrris•34m ago•0 comments

Display any CSV file as a searchable, filterable, pretty HTML table

https://github.com/derekeder/csv-to-html-table
5•indigodaddy•36m ago•0 comments

Stephen Hawking's Final Theory About Our Universe (2018)

https://www.sciencealert.com/stephen-hawking-s-last-physics-paper-theory-on-eternal-inflation-multiverses
2•ibobev•36m ago•0 comments

One of the Most Popular Games on the Planet

https://kotaku.com/grow-a-garden-roblox-5-million-active-users-record-pc-1851781824
2•bryan0•37m ago•1 comments

AI breakthroughs that stunned number theorists worldwide – Professor Yang-Hue Hi

https://www.youtube.com/watch?v=spIquD_mBFk
3•AIorNot•37m ago•1 comments

Ask HN: How did you get VC funding?

2•logotype•40m ago•1 comments

RFK Jr. calls WHO "moribund" amid US withdrawal; China pledges to give $500M

https://arstechnica.com/tech-policy/2025/05/china-pledges-500m-to-who-as-us-abandons-international-health-agency/
5•FridayoLeary•41m ago•1 comments

Securing AI Agent Toolchains with OIDC and OIDC-A

https://subramanya.ai/2025/05/21/securing-mcp-with-oidc-and-oidc-a-identity-aware-gateway/
1•subramanya1997•41m ago•1 comments

ESLint v9.0.0: A Retrospective

https://eslint.org/blog/2025/05/eslint-v9.0.0-retrospective/
1•soheilpro•43m ago•1 comments

Question no one ever asked GPT

https://blog.bkryza.com/posts/the-best-question-no-one-ever-asked-you/
2•GianFabien•44m ago•1 comments

SynthID Detector: Identify content made with Google's AI tools

https://blog.google/technology/ai/google-synthid-ai-content-detector/
2•twapi•53m ago•0 comments

Anyone Remember Alan Turing?

https://www.theguardian.com/society/2025/may/22/shabana-mahmood-considers-chemical-castration-for-serious-sex-offenders
2•zabzonk•54m ago•0 comments

Rock 4D with RK3576, PCIe Gen2 X1, GbE, and Poe Support Starts at $30

https://linuxgizmos.com/radxa-rock-4d-with-rk3576-soc-pcie-gen2-x1-gigabit-ethernet-and-poe-support/
3•PixelN0va•55m ago•0 comments

Collatz's Ant

https://gbragafibra.github.io/2025/05/18/collatz_ant3.html
1•Fibra•57m ago•0 comments

We Want Answers: Why the Web Is Collapsing into Agents

https://medium.com/@dangoikhman/ai-search-saas-artificial-intelligence-developer-publisher-media-software-user-interface-ui-07e8bd427ce2
2•joshdappier•58m ago•0 comments
Open in hackernews

Python Tooling at Scale: LlamaIndex’s Monorepo Overhaul

https://www.llamaindex.ai/blog/python-tooling-at-scale-llamaindex-s-monorepo-overhaul
29•cheesyFish•7h ago

Comments

lyjackal•6h ago
I recently did something similar. Using uv workspaces, I used the uv CLI's dependency graph to analyze the dependency tree then conditionally trigger CI workflows for affected projects. I wish there was a better way to access the uv dependency worktree other than parsing the `tree` like output
cheesyFish•6h ago
I agree! I hope uv introduces more tools for monorepos or refines the workspaces concept.

I saw workspaces require all dependencies to agree with eachother, which isn't quite possible in our repo

esafak•5h ago
I use Github Actions triggers to pass flags to a monorepo dagger script to build and test the affected components. For example, if a commit touches the front- and back ends, rebuild both. If it only touches the front end, run integration tests using the latest backend without rebuilding it.

edit: spell out GHA

cheesyFish•5h ago
Yea this definitely makes sense for smaller monorepos. For us, we ended up writing our own dependency graph parser to figure out what tests to run (which is easy enough with a single language like python honestly)
esafak•5h ago
Was bazel an option?
cheesyFish•4h ago
We used pants initially (which I believe is similar to bazel). And indeed the dependency graphing it does was very helpful, but other parts of the tool motivated us to create something more bespoke and debuggable (we were only using like 20% or less of the features pants offers)
chrisweekly•4h ago
GHA - GitHub Actions, right?
tuanacelik•5h ago
So just to let me get this straight: Does this new setup aim to make it easier to contribute to llamaindex submodules specifically?
cheesyFish•5h ago
Yes! For example, previously with pants, users would hit a lot of weird errors since how tests run with pants is different than running tests locally with pytest

We did not expect users to learn pants, but this often meant a lot of back and forth with maintainers to get PR tests working.

Should be much easier now!

SlimIon729•3h ago
Interesting to see LlamaIndex's journey from Poetry+Pants to uv+LlamaDev for managing their extensive monorepo. The speed improvements and better developer experience with `uv` are compelling. It's a good reminder of how tooling choices evolve with scale.