2341
Prompt caching for cheaper LLM tokens
A far more detailed explanation of prompt caching than anyone asked for: how tokens, embeddings, and attention make cached LLM tokens 10x cheaper and faster.
New
The latest blog posts to take off on Hacker News. 31,670 posts.
2342
Mozilla appoints new CEO Anthony Enzor-Demeo
Today, I step into the role of CEO of Mozilla Corporation. It is a privilege to lead an organization with a long history of standing up for people and buil
2343
40 percent of fMRI signals do not correspond to actual brain activity
Interpretation of numerous MRI data may be incorrect: blood flow is not a reliable indicator of brain activity.
2344
Sega Channel: VGHF Recovers over 100 Sega Channel ROMs (and More)
Our project to preserve the history of Sega Channel — including over 100 new Sega Channel ROMs.
2345
2346
8M users' AI conversations sold for profit by "privacy" extensions
Secure the modern software stack with Koi. Gain visibility, context, and real-time protection over extensions, MCPs, and autonomous AI agent endpoints.
2347
A kernel bug froze my machine: Debugging an async-profiler deadlock
How I investigated and worked around a kernel bug that caused async-profiler to freeze my machine whenever I tried to use a profiler.
2348
$50 PlanetScale Metal Is GA for Postgres
We've lowered the entry price for using PlanetScale Metal to $50 and added more flexibility in storage-to-compute ratios.
2349
Price of a bot army revealed across online platforms
The first global index tracking real-time prices for buying fake account verifications on 500+ online platforms in every country has been launched by a team at the University of Cambridge.
2350
Shai-Hulud compromised a dev machine and raided GitHub org access: a post-mortem
On November 25th, one of our engineers was compromised by the Shai-Hulud npm supply chain worm. Here's what happened, how we responded, and what we've changed.
2351
“You should never build a CMS”
Lee Robinson migrated cursor.com off Sanity. He made good points. Here's what he missed.
2352
Pizlix: Memory Safe Linux from Scratch
Pizlix is LFS (Linux From Scratch) 12.2 with some added components, where userland is compiled with Fil-C. This means you get the most memory safe Linux-like OS currently available.
2353
Linux Sandboxes and Fil-C
Memory safety and sandboxing are two different things. It's reasonable to think of them as orthogonal: you could have memory safety but not be sandboxed, or you could be sandboxed but not memory safe.
2354
Why Twilio Segment moved from microservices back to a monolith
Discover Twilio’s shift to a single powerful service! Learn cloud communication trends, customer success stories, and how to build scalable apps. Join now!
2355
VPN location claims don't match real traffic exits
17 out of 20 popular VPNs exit traffic from different countries than they claim. Dig into what that means and why it matters in our VPN report.
2356
We built another object storage
High-performance object storage exists, but the economics make it unusable at scale. FractalBits breaks out of the high-performance trap.
2357
1300 Still Images from the Animated Films of Hayao Miyazaki's Studio Ghibli (2023)
「君たちはどう生きるか」の場面写真を提供致します。 現在、劇場公開中の「君たちはどう生きるか」の場面写真 14枚を、本日から提供いたします。 これまでの分と同様に、常識の範囲でご自由にお使いください。 君たちはどう生きるか14枚 2023.08.04 提供開始 2020.12.18 提供開
2358
In Defense of Matlab Code
MATLAB still shines for math-heavy work. Its whiteboard-style syntax makes code easy to read, review, and run on modern tools like RunMat and fast GPUs.
2359
Nuclear energy key to decarbonising Europe, says EESC
The EESC has adopted an opinion pointing out that nuclear energy is an essential component of the clean energy mix which is needed to phase out fossil fuels. The Committee calls on the European Commission to include key regulatory and financial enablers in order to make the planned investment possible, and to enhance…
2360
Using secondary school maths to demystify AI
Educators can show in secondary school maths that AI systems don’t think, making maths more interesting while teaching core concepts of AI.
2361
SQLite JSON at full index speed using generated columns
One of the coolest patterns in SQLite—store raw JSON documents, create virtual generated columns using json_extract, add indexes, and query JSON at full B-tree index speed.
2362
CRISPR fungus: Protein-packed, sustainable, and tastes like meat
Researchers have successfully used CRISPR gene editing technology to create a fungi strain that is highly efficient, more nutritious, and significantly more sustainable than its natural counterpart. The fungus Fusarium venenatum already stands out for its meat-like flavor and texture, leading to its approval for food…
2363
Denial of service and source code exposure in React Server Components
The library for web and native user interfaces
2364
Pop_OS 24.04 LTS with COSMIC desktop environment
An important message on Pop!_OS, Linux, and one downright fantastic community.
2365
We built a resource hub to fight back against age verification
Age verification laws are proliferating fast across the United States and around the world, creating a dangerous and confusing tangle of rules about what we’re all allowed to see and do online. That's why today, we're launching EFF.org/Age, a one-stop shop for users seeking to understand what these laws actually do…
2366
GPT-5.2
GPT-5.2 is our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision. Use it in ChatGPT and the OpenAI API to power faster, more reliable agentic workflows.
2367
Litestream VFS
Query your SQLite database any time, anywhere
2368
From text to token: How tokenization pipelines work
Understanding how search engines transform text into tokens through character filtering, tokenization, stemming, and stopword removal.
2369
The Walt Disney Company and OpenAI Partner on Sora
Disney and OpenAI have reached an agreement to bring more than 200 Disney, Marvel, Pixar and Star Wars characters to Sora for fan-inspired short videos. The agreement emphasizes responsible AI in entertainment and includes Disney’s company-wide use of ChatGPT Enterprise and the OpenAI API.
2370
EFF launches Age Verification Hub
With ill-advised and dangerous age verification laws proliferating across the United States and around the world, creating surveillance and censorship regimes that will be used to harm both youth and adults, the Electronic Frontier Foundation has launched a new resource hub that will sort through the mess and help…