Hy4 preview

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Tencent has released Hy4 preview, a next-generation large language model with outstanding performance on real-world productivity tasks. The model is available as an open-source model and can be accessed globally through various Tencent products, offering cost efficiency and continuous improvement.

Bug Blindness

Tether: iMessage, SMS, etc. on Linux

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The author transitioned to Linux and found Continuity features from macOS lacking, particularly OTP code autofill. Tether aims to replicate these features on Linux, initially focusing on clipboard sync before expanding to other areas.

Highest-ever ocean temperature measured as powerful El NiΓ±o forms

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Scientists recorded the world's highest ocean temperature of 70 degrees due to climate change and El NiΓ±o in the Pacific. This heat increase poses risks to marine ecosystems and coastal communities, contributing to sea level rise and extreme weather events.

Nancy Grace Roman Space Telescope

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Roman space telescope launches on August 30, 2026 at 07:26 am EDT on a SpaceX Falcon Heavy rocket. The observatory was built by technicians after NASA's Nancy Grace Roman Space Telescope project.

Calibrate Before You Accelerate: Bias Toward Action in a New Role

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The author advises against rushing to prove oneself in a new job, instead focusing on building context and understanding the "why" behind processes. By doing so, one can make more informed decisions and take targeted action that drives meaningful change.

Lawmakers added $1 to car insurance policies. That money paid for Flock cameras

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The Texas Tribune's analysis found that the state agency, Motor Vehicle Crime Prevention Authority, has spent $30 million of a $81 million fee increase on Flock surveillance cameras. The cameras are used to track vehicles and have been linked to missing persons cases but also raise concerns about privacy rights.

Is it safe to call print in a Python signal handler?

Python signal handlers can be reentered in the middle of a call to print, potentially causing program crashes. However, this is unlikely to occur in real-world scenarios and failing with an exception is generally preferable to unsafe signal handler consequences.

SQLite as a Document Database (2020)

SQLite has a new feature called generated columns, allowing JSON data to be inserted and indexed like a document database. This enables treating SQLite as an embedded document database for lightweight applications.

Functional State Machines in Rust: Typestate and Newtype Patterns

Domain-Driven Agents

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The author uses LLMs in legacy codebases to improve productivity, but notes that the quality of work drops due to system complexity and missing meaning. He proposes a two-layer approach: strategic work (deciding what changes are needed) and tactical work (carrying those decisions into code).

Good Culture Is the Biggest Productivity Hack, Not AI

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The author emphasizes that a great culture is more important than AI tools for increasing productivity, as it affects how people work together and communicate. A good culture can amplify the benefits of AI, but bad culture can hinder its effectiveness.

DHS is using obscure law to snoop on journalists, non-profits, unions

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The Trump administration has used a customs law to obtain private information on journalists, non-profits and unions without judicial oversight. The government obtained phone records for a Minneapolis journalist and sought YouTube account information from several individuals, raising concerns over the power of the executive branch.

Defrag98: Windows 98 Disk Defragmenter Simulator Online

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Watch a disk defragment online, free. A browser-based Windows 98 Disk Defragmenter simulator with real HDD sounds and 4 drives. No install, works offline.

Glacier Mice

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Glacier mice are colonies of mosses and other organisms found on glaciers, with movement patterns that appear to be herd-like behavior. They can persist for six years or longer, creating a suitable ecosystem for microorganisms on the glacier surface.

EVE Online moves to Python 3

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EVE Online is transitioning from Python 2 to Python 3, aiming for a completely unnoticeable change. The first stage of the migration has been deployed on Tranquility, with further updates and testing planned in the coming months.

Samsung's Processing-in-Memory (PIM)

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Samsung's LPDDR5X-PIM technology enables in-memory compute by implementing MAC units within LPDDR5X chips, allowing for high-bandwidth processing. This approach can achieve significant performance gains compared to standard LPDDR5X, but poses challenges for software due to mode switching and cache coherency issues.

Indirect Calling of Nested Functions on GCC Without Executable Stack

The user discussed a hack to support older versions of GCC by using trampolines and the __builtin_call_with_static_chain built-in function. This allows calling nested functions without requiring an executable stack, addressing security concerns.

I co-founded Burning Man. The festival has lost its soul

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The author, a co-founder of Burning Man, reflects on the festival's evolution from an anarchist collaboration to a commercialized event. The original Burning Man was characterized by its DIY ethos and lack of structure or hierarchy.

Show HN: Typebase – A single-folder back end you write in TypeScript

https://typebase.io/og/site
A tool called Typebase-io-cli helps create a fully typed server with database schema, actions, and auth in a single folder, allowing for explicit authorization and backend functions that live in code. It enables developers to deploy their server on various platforms without owning any servers.

Trees for a Changing Climate and Resilient Urban Forest (2022)

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To prepare for climate change, Colorado should increase tree diversity and focus on drought-tolerant, heat-resistant species like Arizona Cypress, Caddo Maples and hardy hybrid chokecherry.

Boot a Virtual iPhone via Apple's Virtualization.framework

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This tool creates a virtualized iOS environment for testing and development, allowing users to download, patch, and restore iOS images. It also provides features like automatic provisioning, E2E testing capabilities and host control through a socket.

Sleepwalker: Passive Backdoor with Its Own Command Language

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SLEEPWALKER is a passive backdoor that activates when the host process carries the name ERAAgent.exe, and it never contacts a fixed C2 address. It uses six transports including DNS triggering, VMCI, ICMP, named pipes and TCP/UDP connections to deliver commands over the network. The malware has 23 instructions covering scheduling, staged file delivery with SHA-256 verification and in-memory execution.

Recovering Corrupt Zip Files

Creating the Aetheryte Radio

The author, an engineer, created a seamless ambiance experience from a 7-minute video by extracting the audio assets and using the Web Audio API to recreate them. They used plugins like SoundFilter to identify the desired asset and then processed it with JavaScript code.

Quantifying Colour

Colours can be precisely quantified using numbers, with the LMS colour space representing all perceivable colours. However, this is not the standard way to describe colours, and instead RGB values are commonly used. The CIE XYZ colour space uses standardized primaries that are imaginary and do not correspond to physical quantities. Chromaticity spaces like xy chromaticity provide a convenient ...

The Wandering Yamamura Theater Troupe

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Shohei Imamura's *Stolen Desire* explores a traveling theater troupe's itinerant life, blending comedy and social commentary. It showcases Imamura's early fascination with marginalized characters and vibrant, subculture-driven storytelling.

The Finn – an agent that lives in my router and complains about it

https://opengraph.githubassets.com/fffc37ac0a0099b9b07c36182f0cab409f9ac2d2649d77ae405541d76e97ea16/YuriKovalov22/the-finn
A small, grumpy agent lives inside a router and only knows what it can see. It's a chatbot that comments on the hallway it watches, but doesn't help with tasks or provide information beyond its observations.

StemDeck, a free, open-source and local AI stem separator

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StemDeck is a free, open-source audio stem separation tool that processes existing audio files locally on your machine. It separates up to six stems (vocals, drums, bass, guitar, piano, other) from uploaded or pasted audio files.

I accidentally turned LLM memory into program analysis

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The author created a Datalog engine for LLMs to improve their memory and reduce hallucinations during vulnerability research. The system allows the model to maintain its analysis state, track dependencies, and invalidate conclusions when new information is discovered.