AWS Finally Built Its Own AWS Emulator

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AWS Emulator is a local emulator of AWS APIs for testing and development without incurring additional service fees. It can be installed on various platforms, including Linux, Windows, and macOS, with optional telemetry data collection enabled by default.

Tim Peters has died

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The author shares a personal tribute to Tim Peters, a key figure in Python's development and design evolution. He credits Tim with influencing his own programming style and career, citing his positive influence on the language's growth from 2001 to 2014 as Director of the Python Software Foundation.

A false smoke alarm almost drowned Jane Street's only NYC datacenter

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The author recounts a false smoke alarm in Jane Street's NYC datacenter, which triggered sprinklers and threatened to destroy servers. He pulled power cords to prevent damage before the temperature rose too high.

Faster Retrieval for Better, More Efficient RAG

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Researchers propose Amortizing Maximum Inner Product Search (MIPS) using learned support functions, which trades off accuracy for speed. This approach uses neural networks to mimic the ground-truth support function and can be used for routing queries towards their best match.

AWS Emulator and the engineer's job when agents write the code

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Amazon's CTO shares the story of hiring Swaminathan Sivasubramanian, who helped architect Dynamo and became a principal architect of AWS's data strategy. The company has now released AWS Emulator, which allows coding agents to test against real AWS services.

Google SWE points 48 AI agents at NASA Lidar, finds unmapped Maya pyramid in 72h

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A user used AI agents to analyze NASA lidar data and discovered a previously unknown Maya site in Mexico, which was reported to the Mexican government within 72 hours. The discovery is significant as it highlights the potential of AI in archaeology and other sciences.

Hyper-Realistic Sand with WebGL2

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Built with WebGL2 and JavaScript. Push grains with your finger, tilt your phone to make them slide, or shake to scatter them. Play in your browser on phones, tablets and desktops.Pour

Atuin Threads: All your agent sessions on every machine

The author uses Atuin Threads to store and search their agent sessions across multiple machines, providing a searchable history of their work. This allows them to recall previous commands and intentions with ease, improving productivity and collaboration.

Show HN: Yogurt – Free, private, open-source alternative to Granola

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Private AI meeting notes. Free and open source. Contribute to FrigadeHQ/yogurt development by creating an account on GitHub.

Can a Linear Program Do Weight-Space Programming?

Researchers at MIT CSAIL used GPT-6 Astra to edit its weights and improve math performance by 40.2% on MATH-500, reducing looping behavior. They found that the edits were equivalent to a constant push along a specific direction in the residual stream, which can be added directly without weight changes.

Launch HN: Pomerado (YC F26) – Turn any website into an MCP for agents

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Pomerado connects agents to any website without needing an API, offering faster and more reliable results than browser agents. It can automate tasks on websites, such as finding flights or reading invoices from supplier portals.

AI, activity, and outcomes in software engineering

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Researchers studied the impact of AI on software engineering, including productivity effects and developer autonomy. Their findings highlight both benefits and limitations of using AI tools in software development.

Pharo in the Browser with WebAssembly

Some Git clones and tools use a CORS proxy to load repositories, allowing users to choose whether credentials are sent through the proxy or directly to the host. This choice is stored in the browser and cannot be changed by links.

A C++ Quicksort Faster Than std:sort

Blqsort is a fast comparison-based sorting algorithm that uses branchless partitioning and can be faster than other algorithms for random data, but its worst-case scenario can lead to O(n²) performance. The implementation is available as a C++ header file with optional multithreaded versions.

Using voltage glitching to unleash the A100 in my mining card

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A researcher has discovered a voltage fault injection (VFI) vulnerability in the GA100 die, allowing for arbitrary fuse blowing and unlocking of NVIDIA's CMP 170HX 8GB card to its maximum capability. This unlocks features like NVLink, PCIe Gen4, and more.

We need more goat sacrifices

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The author discusses the failures of various social programs and interventions, citing numerous examples of ineffective policies. The author argues that these failures are due to a lack of understanding about human behavior and society, rather than a lack of good intentions or ideas.

Show HN: Klad, a paint app your coding agent can drive (source-available)

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Klad is a 2D painting and animation app that allows users to collaborate with coding agents, sharing the same brushes and strokes instantly. The app provides features like layers, masks, clipping, effects, and exports as PNGs or sprite sheets.

Show HN: Godbolt-in-a-floating-window for Neovim (C, C++, Rust)

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Small lua script that shows inline assembly in neovim (x64, aarch64) for C, C++, and Rust. - 0xdeadf1sh/AssemblyForNeovim

The hardest notes to find on the guitar fretboard

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The Find the Notes game has collected 275,169 data points on note identification, revealing that the upper middle of the neck is hardest to identify. Sharps and flats are harder than natural notes, with F♯ being the most challenging note name.

Tinfoil (YC P25) is hiring an applied AI security engineer in San Francisco

Sorry

The Computer Graphics Book of Knowledge

Computer Graphics (CG) originated in the 1950s as a visualization tool for scientists and engineers, evolving into a unique art form by the 1960s with pioneers like Ivan Sutherland and John Whitney Sr.

I asked every TV manufacturer 17 questions about how they spy on you

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TV companies collect various data types, including viewing history, audio recordings, and location information. Users can opt out of some data collection but may not be able to completely prevent all forms of transmission.

Show HN: Micron – Oberon with the Power of C

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The Micron programming language is a systems programming language that combines the simplicity of Oberon with the flexibility of C, aiming to be a practical alternative for systems programming. The project provides compilers, interpreters, and an IDE for Micron, with various levels of support for different system requirements.

Protecting SSH Keys with macOS Secure Enclave

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The author has set up SSH keys using macOS's Secure Enclave for secure authentication, creating a hardware-backed solution to protect against malware. They provide detailed steps and recommendations for implementing this method, including managing key handles and authorized_keys files.

Attention to Mamba: A Recipe for Cross-Architecture Distillation

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Researchers aim to distill Attention-based models into Mamba-like architectures, leveraging pretrained Transformers. A two-stage approach is proposed to achieve this, using the kernel trick and adapting a linearized version of Attention into an Mamba model.

Multiple remote code execution vulnerabilities in danfoss sm-800A

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Danfoss AK-SM800A controllers have multiple pre-authentication vulnerabilities, including code-of-the-day authentication bypass and OS command injection, which can be exploited remotely. These vulnerabilities allow for full device take-over, persistent access, and denial of service.

TimeNet: Open-source data infrastructure for Temporal Foundation Models

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TimeNet is a pre-release project with a public API and TimeF format that may change before 1.0, providing one storage format for time-series datasets. Users can participate in the online hackathon to train Temporal AI Models on TimeNet's data layer without registry credentials or network access.

Apple is killing its Support Community forum next week

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The Apple Support Community platform is being shut down on November 20th, becoming read-only. The decades-old forum will no longer accept new posts and its content may disappear with the shutdown.

EventSourcingDB 1.3.0 Is Available

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EventSourcingDB 1.3.0 has been released with improved performance, stability, and a new API that reports request outcomes in the response body. The v2 API is supported alongside the v1 API until January 31, 2027.

Peer-to-peer WebRTC connections with built-in signaling and discovery

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A WebRTC example is provided, including creating a server and client connections, data channel communication, and peer discovery. The code enables features like encryption, signaling, and ICE candidates for secure communication between peers.