Telegram's t.me domain has been suspended

https://www.whois.com/images/chiclet_sp.png
The domain t.me, registered with GoDaddy since 2010 and expiring in 2035, uses privacy protection via Domains By Proxy. It has multiple EPP status restrictions and Google's name servers, with DNSSEC unsigned.

Building and Shipping Mac and iOS Apps Without Ever Opening Xcode

Use Xcode's CLI tools (xcodebuild, notarytool) and XcodeGen to automate Mac/iOS app builds, avoiding Xcode GUI entirely via scripts like release.sh. LLMs like Claude Code streamline setup, handle certificate management, and generate workflows for signing, notarization, and deployment without manual GUI steps.

Apple's new SpeechAnalyzer API, benchmarked against Whisper and its predecessor

https://images.unsplash.com/photo-1589254065878-42c9da997008?w=1200&h=600&fit=crop&q=80
Apple's new SpeechAnalyzer surpasses Whisper models and its legacy API, achieving 3.5-4x lower word error rates and 3x faster processing on M2 Pro, making it the top on-device English transcription engine for current Apple devices. It supports fewer languages than Whisper but offers superior accuracy and speed for English, prompting Inscribe to prioritize it for compatible languages while ...

Climate.gov was destroyed. Open data saved it

https://storage.ghost.io/c/18/7c/187cc681-d3f3-49fc-87de-b01d06b76821/content/images/size/w160/2025/06/IMG_5699-4.jpeg
Climate.us was created by former NOAA employees to preserve public climate data after Climate.gov's shutdown under Trump. The site relies on donations to maintain critical resources, underscoring the need for sustained government support for public infrastructure.

Linux 0.11 rewritten in idiomatic Rust, boots in QEMU

https://opengraph.githubassets.com/9d628f77e8a183952e4d95e1fad6d0c402176b037a2c01cdaca11a4430243538/Poseidon-fan/linux-0.11-rs
linux-0.11-rs rewrites Linux 0.11 in Rust, booting on i386 QEMU with a Unix userland. It offers idiomatic Rust abstractions, processes, virtual memory, Minix filesystem, and tools for building bootable images.

The real prices of frontier models. Tokens * Price, right?

https://playcode.io/marketing/assets/static/hero.CmWpi4qz.webp
AI model pricing per token is misleading due to varying tokenizers, which split text differentlyβ€”TypeScript costs 1.73x more on Claude than GPT. Real costs depend on your content: test tokenizers directly, as silent tokenizer updates can raise bills without price changes.

Show HN: YouTube Guitar Tab Parser

https://opengraph.githubassets.com/0ddd1e912fa389d92e6f77b584a919e65766b8de236bebf0a467a4946a1c5d68/marcelpanse/youtube-guitar-tab-parser
The tool automates converting YouTube videos to PDF tablature by sampling frames, using AI to detect and crop tab regions, deduplicating by bar numbers, and compiling into a PDF with the video title as metadata. It requires no configuration and outputs to out/<video-title>.pdf.

SalesPatriot (YC W25) Is Hiring Full Stack Engineers (SF)

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Replacing outdated systems with an AI-native platform for defense/aerospace supply chains, this role involves building integrated systems with legacy environments. Senior Software Engineers need full-stack project experience, SQL proficiency, and problem-solving skills to drive autonomous operations.

Linux on the Sega 32X. Who needs hardware synchronization primitives anyway?

https://cakehonolulu.github.io/images/linux_32x/hackaday.png
The author ported Linux to the Sega 32X to enhance board bringup skills, overcoming hardware limitations via SDK examples, FPGA flash carts, and custom synchronization solutions like Peterson's algorithm. Challenges included cross-compilation fixes, memory constraints, and implementing inter-CPU communication, resulting in a functional albeit slow Linux system with a console display.

The art and engineering of Sega CD Silpheed

https://fabiensanglard.net/silpheed/f384_cropped.png
Silpheed's Mega-CD FMV optimized tile reuse, 16-color palettes, and tilemap compression to deliver cinematic video despite 90s hardware limits, with reverse-engineering uncovering 7.5fps compression and ASIC tricks for efficient playback.

Samsung Health app threatens data deletion if users opt out AI training

https://cdn.neowin.com/news/images/uploaded/2026/07/1783952968_samsung-health.webp
Samsung requires users to consent to health data use for AI training to retain access, risking deletion otherwise, and introduces AI features like Vitals and Heart Health Score to analyze biometrics and fitness metrics.

TFTP Honey Pot Results

https://bruceediger.com/images/Dirk.willems.rescue.ncs_30.png
A TFTP honey pot over 35 days captured mostly infosec company scans (e.g., Palo Alto, Censys) probing for TFTP servers via file requests like "a" or "pxelinux.0," revealing automated server identification efforts rather than malicious exploitation. Despite varied patterns, most traffic aimed to detect TFTP server presence, with limited CVE exploitation attempts observed.

Show HN: I implemented a neural network in SQL

https://opengraph.githubassets.com/06060057fd3efa0931dc6bf5522570d471286244a284d0ca601d5cfaeff6f21a/xqlsystems/xarray-sql
A 28x28 image model uses flattened indices, skips zero-weight rows, and computes pre-activation layers (z = W @ a + b) with gradient updates (weight/bias - lr * gradient). Trained parameters are stored as xarrays, preserving layer shapes and biases per output dimension.

Ancient Roman Board Game

https://ludus-coriovalli.web.app/ogp.jpg
Ludus Coriovalli, an ancient Roman asymmetric board game featuring four Hounds blocking two Hares, was reconstructed via AI and wear analysis of a 2,000-year-old stone in the Netherlands. A 2025 Antiquity study confirmed its rules by linking play patterns to a cooperative blocking game design.

Show HN: Jacquard, a programming language for AI-written, human-reviewed code

https://opengraph.githubassets.com/7e44372eb814c3a446f4b4f265c1021cc07a3eb9458527cfce03371e1f08a25e/jbwinters/jacquard-lang
Jacquard is a FriendMachine research project for effect-tracking, probabilistic programming, and structural identity in a small language with a test framework (Warp). Version 0.1 includes a repair demo using Bayesian inference and is a non-production prototype with OCaml tools and C backend.

The 4-Bitter Lesson: Balancing Stability and Performance in NVFP4 RL

https://humansand.ai/assets/nvfp4-rl-blog/images/recipe/NVFP4-hp.drawio.webp?v=fc24bb19
Researchers developed a stable NVFP4 quantization method for RL training, addressing throughput-stability tradeoffs via dequantized gradients and 4/6 scaling, enabling efficient large-scale model training while preserving accuracy. Open-sourced solutions include optimized implementations across frameworks like TransformerEngine and SGLang.

The Origins of Heikki's Garden of Flowers

https://garden-of-flowers.heikkilotvonen.com/garden-of-flowers.webp
An archive of ~2500 pictorial typography and letterpress works spanning four centuries, images composed entirely of type ornaments, characters, and rule. The history of ASCII art before computers.

Show HN: Nobie – an Excel-compatible runtime for agents and humans

https://nobie.com/_build/assets/creative-pricing-TpAKUwK9.webp
Every formula, every pixel, calculated the same as Excel. Your files are always standard .xlsx β€” open them in Excel anytime, no surprises.

A voxel Tokyo in real Japan time – ride the Yamanote line and study Japanese

Ride the Yamanote line through a voxel Tokyo synced to Japan's real clock, weather, and seasons. A lofi bed plays while N5 sentences are read aloud and drift by as subtitles β€” an ambient Japanese study room you just press play into. πŸ‡ΊπŸ‡ΈπŸ‡¬πŸ‡§πŸ‡©πŸ‡ͺπŸ‡¨πŸ‡¦πŸ‡«πŸ‡·πŸ‡¦πŸ‡ΊπŸ‡ΈπŸ‡ͺπŸ‡―πŸ‡΅43 countries

Robust Secret Storage in Networks

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
The problem of storing secure information on a network is studied. A formal framework for distributed secret storage is introduced, and possible applications in technological and social systems are discussed. The problem is formulated as the optimization of a robustness functional in which two competing requirements are balanced: survivability under network-degrading processes and resistance ...

LAPD lets contract with surveillance giant Flock expire

https://techcrunch.com/wp-content/uploads/2026/07/flock-camera-2259453709.jpg?w=1024
The LAPD ended its contract with Flock over privacy and civil liberties concerns, citing unresolved data security issues, joining other cities in distancing from the surveillance firm. Flock faces criticism for security flaws, unauthorized access, and false license plate readings, sparking public distrust and calls for federal investigations.

Show HN: BillAI Bass, an AI-Powered Big Mouth Billy Bass Using Strands Agents

https://opengraph.githubassets.com/3ce21678dcf1ef01f5268762cda9bdf6e1434d1a99e9ce4658f4d05dcd7cc5e6/morganwilliscloud/billai-bass
A pi can be turned into an ai assistant. the fish can lip-sync to its own voice and flap its tail if it wants to emphasize itself. you talk to the pi, it talks back β€” head swiveling, mouth lip synchronizing, tail flapping for emphasis. this project was created with help from claude code and you can use any ai helper to help you get through. point the mic away from the speaker

Show HN: DOM-docx – HTML to native, editable Word docs (MIT)

https://repository-images.githubusercontent.com/1289616366/8cbab077-707b-40c8-a2c8-db043ecd5e2e
dom-docx converts semantic HTML to editable Word documents (OOXML) with layout fidelity, using Chromium/Playwright for rendering and LibreOffice for validation. It supports Node.js 20+ and browsers, offering inline or computed style conversion, image rasterization, and customizable document settings like headers, footers, and page layouts.

Benchmarking 15 "E-Waste" GPUs with Modern Workloads

https://esologic.com/wp-content/uploads/2026/07/20260711_181417_46768C63-644x429.jpg
Decommissioned NVIDIA GPUs (K80, P100, V100) are benchmarked for homelab use, showing viable performance despite age and inefficiency. Docker-based testing reveals multi-GPU setups can deliver strong results for projects like streamarize, though power costs and outdated drivers remain challenges.

Show HN: Sigwire – a live TUI switchboard for every signal on your Linux box

https://raw.githubusercontent.com/yeet-src/sigwire/master/assets/sigwire.gif
Sigwire turns the kernel's signal machinery into a live patchbay. each line is sender signal target, coloured by severity, and tagged with how it was raised, whether the target caught it and how long its handler ran, etc. yeet is based on the js runtime for writing ebpf programs on linux, with no third-party deps

Show HN: OpenClawMachines – Extending OpenClaw to the Enterprise

https://raw.githubusercontent.com/mathaix/OpenClawMachines/main/docs/images/demo-video-thumbnail.png
OpenClaw Machines is an open-source platform using Firecracker microVMs for secure, hardware-isolated AI agent sandboxes on self-hosted infrastructure, with a control plane for orchestration and Cloudflare for secure routing. It offers cost efficiency via flat server costs, data sovereignty, and enterprise features like workspace integrations, all under Apache-2.0 licensing.

Tune Code Before Your Garbage Collector

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Optimizing logging (e.g., using Chronicle Queue vs. SLF4J) significantly impacts latency, especially for p99.99, more than GC choice. Workload changes, like logging adjustments, can flip optimal GC preferences (e.g., Parallel GC over Shenandoah).

A Second-Grade Teacher Revived a Beloved Video Game

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GhostLock, a stack-UAF that has existed in all Linux distributions for 15 years

https://nebusec.ai/_astro/race-timeline.light.BdOWiamE.svg
GhostLock (CVE-2026-43499) is a Linux kernel use-after-free vulnerability in rtmutex code, enabling privilege escalation via a dangling pointer from a freed stack frame. Exploited through a race condition and controlled memory overwrite, it allows unprivileged users to execute arbitrary code, fixed in Linux 7.1.

Ask HN: What Are You Working On? (July 2026)

Working on iOS app improvements and multiplatform C projects with X11/wasm. LLM coding diminished coding's joy, sparking thoughts of a new hobby.