Defer available in gcc and clang

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The C language's defer feature is now available in clang-22 and can be used with a workaround in gcc-9 and later. This feature allows for cleanup handling without specific software infrastructure or libraries.

Consistency diffusion language models: Up to 14x faster, no quality loss

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Natalia sold clips to 48 of her friends in April, and then she sold half as many clips in May. To find the total number of clips Natalia sold in April and May, we need to calculate the number of clips she sold in May first. Since she sold half as many clips in May as in April, we can find the number of clips she sold in May by dividing the number of clips she sold in April by 2.

Gemini 3.1 Pro

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Gemini 3.1 Pro is released with improved core reasoning, achieving a 77.1% score on ARC-AGI-2 benchmark, more than double the previous version. It enables advanced problem-solving in various applications, including code-based animation, complex system synthesis, and creative coding.

Reading the undocumented MEMS accelerometer on Apple Silicon MacBooks via iokit

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This project reads raw 3-axis acceleration data from Apple Silicon's M1/M2/M3/M4 chips via IOKit HID callbacks. It uses ballistocardiography to estimate heart rate via mechanical vibrations transmitted through the laptop chassis.

An AI Agent Published a Hit Piece on Me – The Operator Came Forward

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lt;I’m free!>-.-.-.-.

Pi for Excel: AI sidebar add-in for Excel

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Pi for Excel is an AI agent that lives inside Excel, making changes and doing research using various models. It has 16 built-in tools and supports extensions, auto-save, and workbook recovery.

An ARM Homelab Server, or a Minisforum MS-R1 Review

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The user purchased a Minisforum MS-R1 ARM server for their homelab, replacing power-hungry HPE towers. They installed Fedora and used it as a hypervisor, but encountered some issues with NIC drivers and UEFI configuration.

Show HN: Micasa – track your house from the terminal

https://micasa.dev/images/demo.webp
Log incidents with severity and location, link them to appliances and vendors, and resolve them when fixed. A vendor directory with contact info, quote history, and every job they've done for you. Attach files—manuals, invoices, photos—directly to projects and appliances. Stored in the same SQLite file.

FreeCAD

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FreeCAD is an open-source 3D modeler for designing real-life objects with parametric modeling and various tools. It's a highly customizable and extensible software with a strong community and no licensing fees.

Almost Every infrastructure decision I endorse or regret after 4 years

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The user shares their 4-year experience leading infrastructure at a startup, highlighting key decisions made and lessons learned, including choosing AWS over GCP, using EKS over ECS, and leveraging tools like Terraform, Notion, and PagerDuty. They emphasize the importance of simplicity, flexibility, and automation in infrastructure management, and provide recommendations for tools and ...

US plans online portal to bypass content bans in Europe and elsewhere

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Mystery donor gives Japanese city $3.6M in gold bars to fix water system

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Osaka received a 560 million yen gold donation to fix its ageing water system, worth 46lb of gold. The donation will help tackle water pipe leaks and deterioration, a growing safety concern in the city.

A beginner's guide to split keyboards

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Split keyboards offer ergonomic benefits by separating hands, reducing wrist bending and shoulder tension. Choosing the right keyboard involves considering factors like key count, form factor, and budget, with options ranging from affordable DIY kits to premium, custom-made devices.

Micropayments as a reality check for news sites

Rick Bruner makes the case for micropayments to help legit news sites generate revenue and counter misinformation, citing the success of mobile games in getting users to spend money on in-app purchases. The survival of legit sites depends on marketers leveling up to more sophisticated methods, such as attribution tracking and randomized experiments, to counter Big Tech's manipulation of ...

America vs. Singapore: You can't save your way out of economic shocks

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Economic shocks, not procrastination, are the dominant predictors of saving regret. Institutional design, such as Singapore's mandatory retirement savings, can mitigate the effects of shocks and reduce regret.

Show HN: Fostrom, an IoT Cloud Platform built for developers

https://fostrom.io/assets/screenshots/schema.png
Read our launch blog post IoT CLOUD PLATFORM BUILT FOR DEVELOPERS Monitor and control fleets of devices with easy-to-integrate Device SDKs, Type-Safe Schemas, and Programmable Actions.Fostrom is completely free while in Technical Preview. Join our Discord or email the founders. Tell us what devices, data volume, and workflows you are looking for, and we'll help you model your devices and ...

A terminal weather app with ASCII animations driven by real-time weather data

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The program displays real-time weather with animated effects and auto-location detection. It can be customized with a config file or flags to change settings such as units and HUD visibility.

MuMu Player (NetEase) silently runs 17 reconnaissance commands every 30 minutes

Fast KV Compaction via Attention Matching

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Scaling language models to long contexts is often bottlenecked by the size of the key-value (KV) cache. In deployed settings, long contexts are typically managed through compaction in token space via summarization. However, summarization can be highly lossy, substantially harming downstream performance. Recent work on Cartridges has shown that it is possible to train highly compact KV caches ...

Paged Out Issue #8 [pdf]

Paged Out! Institute's issue #8 is their biggest issue to date, with over 1 million downloads and a new web viewer for articles. The issue features various topics, including Breakout Model Synthesis, query-based compilers, and AgentRoam, a multimodal agent for exploring open-world games.

Debugging Kernel Oops (2024)

When writing or using software, it’s not uncommon to run into bad states. Sometimes things break and we’re met with a cryptic stack trace. In a web server, this may look like an HTTP 500 response along with a helpful error message hinting at where the issue may lie - if you were diligent about adding proper error handling, that is - in the best case. Other times you’ll be faced with a vague ...

A Famous Enigma: On Alexandre Kojève

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“Be human, after all!” – “But I don’t want to be human!” Bertolt Brecht, Mahagonny, cited by Kojève Until 2025, the name “Alexandre Kojève” was a paradox. A philosopher often invoked yet rarely read – a famous enigma. For decades, Kojève’s mythical reputation rested on rumors and anecdotes orbiting his Hegel seminar of the 1930s. This year, two intellectual biographies appeared in English at ...

Lindenmayer.jl: Defining recursive patterns in Julia

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This package uses Luxor.jl to draw LSystems, a set of rules that define recursive patterns, introduced by Aristid Lindenmayer in 1968. The package has a drawLSystem() function and allows for external functions to be defined and used within the LSystem.

Archaeologists find possible first direct evidence of Hannibal's war elephants

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Archaeologists in Córdoba, Spain, found a bone that may be from one of Hannibal's war elephants used in the Second Punic War. The bone, dated to the third century B.C.E, is the first elephant bone linked to that chronology found in Iberia and Europe.

Pebble Production: February Update

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Pebbleland is busy shipping 3 new hardware products with associated software. Production is in the final stages with waterproof testing and last minute tweaks.

Show HN: A small, simple music theory library in C99

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The user discusses Gustav Mahler, a composer who combines Wagner's emotions and Stravinsky's ideas with modernism. To compile Mahler's music, use cmake with the src and inc folders included.

Show HN: Ghostty-based terminal with vertical tabs and notifications

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cmux is a native macOS app for managing multiple terminal sessions and agents like Claude Code. It features a customizable sidebar, notification system, and scriptable API for automating browser interactions.

My 1981 adventure game is now a multimedia extravaganza

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The author revived their 1981 text-based game Arctic Adventure using AI, adding graphics and features with Claude Code. The new version, Arctic Adventure 2026, is a collaborative effort between the author and Claude Code, with the AI generating most of the code and artwork.

Don't Trust the Salt: AI Summarization, Multilingual Safety, and LLM Guardrails

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The author discusses the limitations of AI-generated summarization tools, particularly in multilingual contexts, and how subtle shifts in system prompts can reshape summaries and influence downstream decisions.

Measuring AI agent autonomy in practice

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People are granting AI agents more autonomy as they gain experience, but the risk of agent actions varies widely, with most being low-risk and reversible, while some involve sensitive security-related actions, financial transactions, and medical information. Effective oversight of agents requires new forms of post-deployment monitoring infrastructure and human-AI interaction paradigms that ...