OpenCode – Open source AI coding agent

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OpenCode is a free, open-source coding agent available on macOS, Windows, and Linux, trusted by 5M developers. It offers private coding with reliable AI models through its Zen platform, ensuring consistent performance and quality.

Mamba-3

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To summarize the user's input, I will break it down into two concise English sentences.

Molly Guard

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The term "molly guard" refers to safety covers or barriers that prevent accidental button presses. It can also be seen in software as confirmation dialogs or modifier keys, and sometimes in reverse form as self-pressing buttons.

France's aircraft carrier located in real time by Le Monde through fitness app

Contactez licensing[@]groupelemonde.fr pour obtenir une autorisation d'accès. Incluez une copie de la page d'erreur avec votre adresse IP et votre identifiant de requête (RID).

We rewrote our Rust WASM parser in TypeScript and it got faster

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The team initially built a WASM parser in Rust for a custom DSL, but found that the boundary overhead between WASM and JS dominated the computation time. They ported the parser to TypeScript and optimized the streaming architecture to reduce the number of parse calls, resulting in a significant performance improvement.

A Japanese glossary of chopsticks faux pas

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Using chopsticks in certain ways is considered taboo in Japan, including passing food between pairs and holding them between hands when saying thanks. Proper etiquette involves eating rice first, then side dishes, and placing chopsticks on a rest when finished.

Ghostling

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Ghostling is a demo project showcasing libghostty's flexibility in a single C file using Raylib for windowing and rendering. It's a minimal viable terminal based on libghostty, not a full-featured daily use terminal, and demonstrates the library's embeddable and high-performance capabilities.

Linux Applications Programming by Example: The Fundamental APIs (2nd Edition)

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Contribute to arnoldrobbins/LinuxByExample-2e development by creating an account on GitHub.

FFmpeg 101 (2024)

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FFmpeg is a tool for encoding, decoding, and transcoding audio and video formats, and streaming over networks. It uses libavformat and libavcodec libraries to demux and decode multimedia streams.

Fujifilm X RAW STUDIO webapp clone

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Note that the app is in BETA. It's currently tested on X100VI only. It likely works with other X-series cameras that support Fujifilm's RAW conversion protocol (X-T5, X-H2, X-T30, etc.), but this has not been verified. If you have a different camera and want to help, see Supporting New Cameras below. Just like Fujifilm X RAW STUDIO, FilmKit uses WebUSB to connect directly to your ...

The Ugliest Airplane: An Appreciation

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The TransAvia AirTruk was a unique agricultural aircraft designed by Luigi Pellarini, with a large tank and twin tail booms, first built in New Zealand in the 1960s. Despite its unusual appearance, the AirTruk performed well and was used for cropdusting and other agricultural tasks, but production ceased in 1988 after a 120-strong run.

A look at content scrambling in DVDs

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Show HN: We built a terminal-only Bluesky / AT Proto client written in Fortran

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Fortransky is a terminal Bluesky client written in Fortran with a Rust decoder. It connects to Bluesky via Jetstream or relay-raw streams with session state saved in ~/.fortransky/session.json.

Attention Residuals

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Attention Residuals (AttnRes) is a drop-in replacement for standard residual connections in Transformers that enables selective aggregation of earlier representations via learned attention. It consistently outperforms the baseline across all compute budgets and mitigates PreNorm dilution.

The Los Angeles Aqueduct Is Wild

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The Los Angeles Aqueduct is a 300-mile gravity-fed system that brings water from the Eastern Sierra to LA, but its construction and operation have been marked by controversy and environmental impact. The aqueduct's design and expansion have had significant effects on the Owens Valley and surrounding ecosystems, highlighting the need for careful consideration of costs beyond the balance sheet.

Turing Award Honors Bennett and Brassard for Quantum Information Science

The website is blocked due to security reasons after a suspicious action was detected. Please email the site owner with the Cloudflare Ray ID to report the issue.

The worst volume control UI in the world (2017)

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Developers and designers on Reddit created a thread to come up with the worst volume control interface ideas for fun. The exercise helps strengthen creative muscles and think outside the box.

VisiCalc Reconstructed

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The user discusses rebuilding a minimal VisiCalc clone from scratch, focusing on a data model, formula evaluator, and simple UI to display cells, and implements a recursive descent parser to calculate formulas on the fly. The user also implements a basic UI using the ncurses library, allowing users to navigate through cells, edit them, and display their values, with features like ...

purl: a curl-esque CLI for making HTTP requests that require payment

A curl-esque CLI for making HTTP requests that require payment. Designed for humans and agents alike. Install # Setup your wallet # Test a free endpoint # Test a paid endpoint (0.01 USDC)

Our commitment to Windows quality

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Microsoft is making changes to Windows 11 to improve performance, reliability, and user experience, including taskbar customization, AI integration, and reduced Windows Update disruption. The company is focusing on making Windows 11 more responsive, consistent, and secure, with a goal of delivering better experiences with greater confidence, month after month.

Lent and Lisp

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The author wrote a script to find dates when Ramadan 1 and Ash Wednesday coincide over 500 years, using Common Lisp and a library from Calendrical Calculations. They also added a check for Chinese New Year, finding that the triple coincidence occurred last week for the first time in 227 years.

An FAQ on Reinforcement Learning Environments

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Reinforcement learning (RL) environments are crucial for training AI models, with labs spending over $1 billion on them in 2025. Key challenges include preventing reward hacking and scaling production without sacrificing quality, with demand growing for enterprise workflows and longer-horizon tasks.
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Red Grid Link offers offline MGRS navigation and proximity team coordination for small teams without cell service. It features zero-config proximity sync, live coordinates, and 11 tactical tools for accurate position tracking and team coordination.

Entso-E final report on Iberian 2025 blackout

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On 28 April 2025, a total blackout occurred in continental Spain and Portugal, with disruptions in a small area of Southwest France. An Expert Panel investigated the incident and released a final report on 20 March 2026 with recommendations to prevent similar events.

Heisuke Hironaka Has Died

Heisuke Hironaka, a renowned mathematician, died at 94 after winning the 1970 Fields Medal for resolving algebraic variety singularities. He nurtured young talent and contributed to education through the Sansu Olympics and various books.

Delve – Fake Compliance as a Service

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Delve, a compliance company, uses fake evidence and fabricated audit reports to make companies appear compliant with frameworks like SOC 2, ISO 27001, HIPAA, and GDPR. Delve's platform relies on pre-populated templates, manual forms, and dodgy auditors to produce reports that falsely claim independent verification, putting clients at risk of criminal liability and hefty fines.

Parallel Perl – Autoparallelizing interpreter with JIT

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The user discusses issues with CPAN and PBP, and their decision to use STM32F103 instead of ATmega328 for faster performance. They also mention their use of CAN protocol, Perl, and Rust for various projects and tasks.

ArXiv declares independence from Cornell

ArXiv, a preprint server, will become an independent nonprofit corporation on July 1 after over 2 decades of being hosted by Cornell University. This move aims to raise more money from a broader range of donors to fund staffing and technology for the site's growing number of preprints.

NumKong: 2'000 Mixed Precision Kernels for All

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The author has released a new open-source project called NumKong, which is a collection of over 2,000 SIMD kernels for mixed precision numerics, and has discussed the state of RISC-V, Intel's Advanced Matrix Extensions (AMX), and Apple's Scalable Matrix Extensions (SME). The author has also compared NumKong to other libraries such as OpenBLAS and Eigen, highlighting its advantages in terms of ...

Show HN: Baltic shadow fleet tracker – live AIS, cable proximity alerts

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The Shadow Fleet Tracker Light monitors 1200+ vessels from the Ukrainian GUR catalogue against live AIS data, plotting positions on a self-updating map. It detects Russia-West transshipment patterns and flags proximity to undersea cables.