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OpenAI o1 system card
This report outlines the safety work carried out prior to releasing OpenAI o1 and o1-mini, including external red teaming and frontier risk evaluations according to our Preparedness Framework.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 80,841 posts.
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What I Hate About Git
Git is the source code version control system that is rapidly becoming the standard for open source projects. It has a powerful distributed model which allows advanced users to do tricky things wit…
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The economics of software teams: Why most engineering orgs are flying blind
A breakdown of what software development teams actually cost, what they need to generate to be financially viable, and why most organizations have no visibility into either number.
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How to avoid losing items? Holding pens
When we are interrupted or need to hastily respond to a new demand, we often make quick decisions about where to place physical items. We always place them in locations which make sense given our current state of mind, but often that state of mind is fleeting, and so we forget where we put our things.
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How to Walk (12 miles a day)
Little tips for walking a lot
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I Love MDN, or the cult of the free in action
Yesterday or so a new initiative I Love MDN was unveiled. People can show their appreciation for the MDN staff and volunteers by leaving a comment.
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Mark Zuckerberg and his empire of oily rags
Surveillance capitalism sucks: it improves the scattershot, low-performance success-rate of untargeted advertising (well below 1 percent) and doubles or triples it (to well below 1 percent!).
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Lua: The Little Language That Could
An ode to Lua
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Surprisingly fast AI-generated kernels we didn't mean to publish yet
We have some very fast AI-generated kernels in pure CUDA-C without using libraries and DSLs such as CUTLASS and Triton. They are performing close to or in some cases even beating the standard expert-optimized production kernels shipped in PyTorch. Some of our highlighted results:
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They Might Never Tell You It’s Broken
They Might Never Tell You It's Broken
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Compiling Rust is NP-hard
...though it's not the flagship borrow checking that's at fault. What I noticed, and would like to share with you today, is that the exhaustiveness checking performed by the Rust compiler on match patterns is a superset of the SAT problem.…
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GhostLock, a stack-UAF that has existed in all Linux distributions for 15 years
GhostLock (CVE-2026-43499) is a Linux kernel vulnerability found by Nebu that exists in every major distribution since 2011. Triggering the bug does not require any special kernel config or privilege. By turning it into a 97% stable privilege escalation and container escape, Google has rewarded us $92,337 in…
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Kimi K2.7 Code is generally available in GitHub Copilot
Kimi K2.7 Code, an open-weight model, is now generally available in GitHub Copilot. This is the first open-weight model offered as a selectable option in the Copilot model picker, giving…
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FTP is 50 years old
FTP was first published the 16th of April 1971
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Bye CUPS: Printing with Netcat
Turns out printing doesn't have to be hard
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YC Annual Letter 2017
Dear YC Community: In response to a comment on Hacker News, I’m going to try writing an annual letter to the YC community with an update on our progress. Our mission is to enable the most...
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Commander Keen's adaptive tile refresh
I have been reading Doom Guy by John Romero. It is an excellent book which I highly recommend. In the ninth chapter, John describes being hit by lightning upon seeing Adaptive Tile Refresh (ATR). That made me realize I never took the time to understand how this crucial piece of tech powers the Commander Keen (CK)…
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IBM casts doubt on Google's claims of quantum supremacy
We argue that an ideal simulation of the same task can be performed on a classical system in 2.5 days and with far greater fidelity.
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Cookie Clicker saved my PhD
Or, how I cookie-clicked my way to a doctorate in interaction design. It’s been 5 years since I finished my Ph.D. on user interfaces for machine learning. To celebrate/commiserate, I’m sharing an u…
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YC Top Companies List
We’re excited to share a list of Y Combinator’s top companies [http://www.ycombinator.com/topcompanies]. The top 100 YC companies are listed by valuation1 (including the top 12 exits), as of October 16, 2018. We put this list together to help people get to know some of the fastest growing alumni in the YC community…
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Indiana Jones and the Last Crusade EGA/VGA Comparison
The original EGA art for Indiana Jones and the Last Crusade was done by Mike Ebert , Steve Purcell , and Martin Cameron . It was originally released in July 1989. The VGA version, first released on the japanese FM Towns computer in 1990, adds Jim McLeod and James Dollar to the credits.
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RIP the Broccoli Tree
For the past few years, Patrik Svedberg has been taking photos of a beautiful Swedish tree he dubbed The Broccoli Tree. In a short time, the tree gained a healt
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Decoding the telephony signals in Pink Floyd's 'The Wall'
I'm one of the founders at Corelatus. Our niche is telecom hardware for the E1/T1 and SDH/SONET interfaces. I work with layer 2 signalling, i.e SS7 MTP-2, ATM and frame relay, and the Erlang control system for our embedded hardware.
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JavaScript in 2015
In the last few days of 2014, I resurrected my long-neglected GIF-beatmatching project DJGif to throw a New Year’s party on my rooftop:
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