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MongoDB Unauthenticated Memory Leak Exploit

https://github.com/joe-desimone/mongobleed
1•nailer•49s ago•1 comments

Everyone at the company should be using Claude Code and GitHub

https://twitter.com/obie/status/2005689332976271459
1•obiefernandez•52s ago•0 comments

Can we make Security Empirical, and why might we want to?

https://www.fightforthehuman.com/empirical-security/
1•adrianhoward•2m ago•0 comments

Unstract: Open-source platform to ship document extraction APIs/MCPs in minutes

https://github.com/Zipstack/unstract
1•naren87•5m ago•0 comments

Five Years of Tinygrad

https://geohot.github.io//blog/jekyll/update/2025/12/29/five-years-of-tinygrad.html
2•iyaja•6m ago•0 comments

Minnesota Daycare Fraud Tied to Waltz

https://www.foxnews.com/politics/misspelled-learning-center-no-children-inside-emmer-presses-walz...
1•Geonode•11m ago•0 comments

Building a Storage Engine That Outperforms RocksDB

https://tidesdb.com/articles/what-i-learned-building-a-storage-engine-that-outperforms-rocksdb/
1•mau•12m ago•0 comments

4dev.com Unveils Funding Hub, Simplifying Cross-Border Investment in Startups

2•darius88•13m ago•0 comments

CD Projekt and GOG Co-Founder Michał Kiciński Acquires GOG from CD Projekt

https://www.gamingonlinux.com/2025/12/cd-projekt-and-gog-co-founder-micha-kicinski-acquires-gog-f...
1•embedding-shape•13m ago•0 comments

26 Useful Concepts for 2026

https://www.gurwinder.blog/p/26-useful-concepts-for-2026
1•paulpauper•14m ago•0 comments

PhDs Can't Find Work as Boston's Biotech Engine Sputters

https://www.wsj.com/tech/biotech/ph-d-s-cant-find-work-as-bostons-biotech-engine-sputters-729f0036
2•nradov•14m ago•0 comments

Not 1% better every day

https://jaylol.com/2025/10/09/one-percent-every-day/
1•marifjeren•15m ago•0 comments

Vajont Dam

https://en.wikipedia.org/wiki/Vajont_Dam
1•vinnyglennon•16m ago•0 comments

When to Graduate from College?

https://arnoldkling.substack.com/p/when-to-graduate-from-college
1•paulpauper•17m ago•0 comments

Ten things that are going right in America

https://www.noahpinion.blog/p/ten-things-that-are-going-right-in
2•paulpauper•17m ago•0 comments

The Year of the 3D Printed Miniature (and Other Lies We Tell Ourselves)

https://matduggan.com/the-year-of-the-3d-printed-miniature-and-other-lies-we-tell-ourselves/
1•sagacity•21m ago•0 comments

You spin me right round (like a Wi-Fi identifier)

https://sixcolors.com/post/2025/12/you-spin-me-right-round-like-a-wi-fi-identifier/
2•xngbuilds•22m ago•0 comments

Spacetime as a Neural Network

https://benr.build/blog/autodidactic-universe
1•bisonbear•23m ago•0 comments

Neuroscientists used Hollywood films to map out the human experience

https://nin.nl/news/how-neuroscientists-used-hollywood-films-to-map-out-the-human-experience/
1•giuliomagnifico•24m ago•0 comments

Feasibility of Using Mealworms as an Alternative Protein Source

https://www.mdpi.com/2304-8158/14/23/4068
1•PaulHoule•28m ago•0 comments

OnlyFans is no longer accessible in China

https://www.cnn.com/2024/12/05/tech/china-onlyfans-accessible-hnk-intl
4•A4ET8a8uTh0_v2•29m ago•0 comments

Show HN: Object – A universal file storage system

https://github.com/metorial/object-storage
2•tobihrbr•30m ago•0 comments

Third Parties and Single Points of Failure

https://calendar.perfplanet.com/2025/third-parties-and-single-points-of-failure/
1•zdw•31m ago•0 comments

I Fixed My Coworker's Alignment Problem

https://hallofdreams.org/posts/i-fixed-my-coworkers-alignment-problem/
2•TheCog•33m ago•0 comments

Survey State of Angel Investing in AI 2026

https://docs.google.com/forms/d/e/1FAIpQLSd-ZWu5aLr6BuJELfXVI9q0QmH-Nr1f4SZ3e8DCc3haMCGoWw/viewform
1•Patrick_Mebus•33m ago•0 comments

Show HN: Splat, an Affinity Diagramming Tool in a Single HTML File

https://github.com/ianarawjo/splat
1•fatso784•33m ago•0 comments

PostTrainBench: Measuring how well AI agents can post-train language models

https://posttrainbench.com/
1•frozenseven•33m ago•0 comments

Categorizing Package Registries

https://nesbitt.io/2025/12/29/categorizing-package-registries.html
1•zdw•34m ago•0 comments

Share Your Best Use Cases for Termux (2024)

https://old.reddit.com/r/termux/comments/1h3xfd7/share_your_best_use_cases_for_termux/
2•sipofwater•34m ago•1 comments

Testing Side Effects Without the Side Effects

https://lackofimagination.org/2025/12/testing-side-effects-without-the-side-effects/
1•tie-in•35m ago•0 comments
Open in hackernews

Ask HN: Why is big O often used in CS when omega or theta should be used?

2•amichail•8mo ago
Do most people not know about omega and theta or perhaps they intentionally misuse asymptotic notation?

Comments

adrianN•8mo ago
Finding lower bounds is generally more difficult.
amichail•8mo ago
People often use big O notation in all cases including for lower bounds.
adrianN•8mo ago
BigO for lower bounds is plain wrong
numpad0•8mo ago
Those aren't in the ASCII table.
compressedgas•8mo ago
I've found some people on a well known QA site to be so strict with big-O notation that I don't use it anymore and instead only refer to constant, linear, quadratic time and so on. Even when O(1), O(n), O(n^2) would be actually easier to write even if they are technically wrong.