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From Vinyl to Streaming: A Music Lover's Nostalgic Journey Through Audio Formats

2025-02-18

A seasoned music enthusiast shares their nostalgic perspective on various physical music formats, ranking them based on sound quality, convenience, and durability. CDs top the list for their pristine audio, though somewhat sterile; Minidiscs follow closely, offering portability and recordability despite limited capacity. Vinyl enjoys a nostalgic appeal and artistic value, but suffers from inherent sound quality limitations. The journey then descends through MP3 players, shellac records, pianola rolls, wax cylinders, and ultimately to the notoriously poor quality of cassette tapes, highlighting the evolution of music formats and their respective strengths and weaknesses.

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(www.sicpers.info)
Misc audio formats

Self-Taught AI Researcher Emil Wallner: An Extraordinary Journey

2025-02-07
Self-Taught AI Researcher Emil Wallner: An Extraordinary Journey

Emil Wallner, a self-taught AI researcher, has an extraordinary life story. From teaching in a rural village in Africa to becoming a machine learning researcher at Google Art & Culture, his career is full of adventure and challenges. He created the popular open-source project Screenshot-to-code, which translates design mock-ups into HTML/CSS, and was featured in a short film by Google for his work on automated colorization. This interview delves into Emil's AI journey, his advice for aspiring self-taught research scientists, and his insights into the future of AI research. He emphasizes the importance of practical experience and building a strong portfolio to gain recognition in the field.

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(floydhub.ghost.io)
AI self-taught research

From SQL Server to Key-Value Stores: A Postmortem of a Database Rewrite Gone Wrong

2025-06-15

A senior developer recounts their experience with a database rewrite at a previous company. The original system, using SQL Server, suffered from performance bottlenecks and frequent outages due to complex stored procedures. The rewrite opted for simple key-value stores, but due to data model mismatch and lack of transaction support, I/O operations skyrocketed, performance worsened, and a complex checkpointing system was introduced. The rewrite ultimately failed to solve the original problems and created new challenges. This humorous account reflects on the importance of technology selection and architectural design, and the negative impact of oversimplification.

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(www.luu.io)
Development database rewrite

The Power of Abstraction: How Linux and FFmpeg Build Extensible Media Frameworks

2025-03-09
The Power of Abstraction: How Linux and FFmpeg Build Extensible Media Frameworks

This article explores how Linux and FFmpeg achieve code extensibility through abstraction and interfaces. Linux's "everything is a file" philosophy, using the `file_operations` structure to define a common interface for file operations, allows various resources (network sockets, special files, USB devices) to be accessed uniformly. FFmpeg employs a similar strategy, using abstract concepts like `AVCodec` to easily add new codecs and formats; the integration of DAV1d exemplifies this design's advantages. The article uses Ruby, Go, and C code examples to illustrate different ways to implement abstract interfaces in various programming languages, ultimately highlighting the crucial role of good software design in improving code maintainability and extensibility.

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(leandromoreira.com)
Development

Mill's Cross-Platform Native Binaries via Github Actions

2025-02-02

The Mill project leverages Github Actions to build native binaries on various platforms (Mac, Windows, Linux) and upload them to Maven Central. A clever configuration separates the publishing of JVM-compatible artifacts from platform-specific native binaries, ensuring cross-platform compatibility. Custom `artifactName` and `jar` tasks generate versioned files with OS and CPU architecture suffixes, allowing users to select the appropriate executable for their environment.

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(mill-build.org)
Development Cross-platform Build Native Binaries

DM50: A Cheap, Open-Source, High-Precision Calculator

2025-01-24
DM50: A Cheap, Open-Source, High-Precision Calculator

DM50 is a cheap, powerful, easy-to-build, open-source hardware calculator boasting high precision. The project is hosted on GitHub and offers downloads for PCBs, firmware, bezels, and a 3D-printed case. Recent updates include finalizing the casing design, battery life testing, key model selection, and processor advancements. DM50 aims to provide a user-friendly, high-performance calculator experience.

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(50calc.com)
Hardware

Alibaba Unveils Qwen2.5-Max: A Massive MoE Language Model

2025-01-28
Alibaba Unveils Qwen2.5-Max: A Massive MoE Language Model

Alibaba has released Qwen2.5-Max, a large-scale Mixture-of-Experts (MoE) model pre-trained on over 20 trillion tokens and further refined with supervised fine-tuning and reinforcement learning from human feedback. Benchmarks like MMLU-Pro, LiveCodeBench, LiveBench, and Arena-Hard show Qwen2.5-Max outperforming models such as DeepSeek V3. The model is accessible via Qwen Chat and an Alibaba Cloud API. This release represents a significant advancement in scaling large language models and paves the way for future improvements in model intelligence.

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(qwenlm.github.io)
AI MoE Model Alibaba

Disturbing Revelation: Former Israeli Special Forces Building AI Systems at Global Tech Giants

2025-01-20
Disturbing Revelation: Former Israeli Special Forces Building AI Systems at Global Tech Giants

An investigative report reveals that dozens of former members of Israel's Unit 8200—a secretive cyber warfare unit accused of building the AI systems used in the Gaza conflict—are now building AI systems for the world's largest tech and AI companies. These former spies hold key positions at Meta, Google, Apple, Amazon, Microsoft, OpenAI, and Nvidia, working on AI, machine learning, and big data. The article highlights that many expressed support for Israel's actions in Gaza on their LinkedIn profiles, yet showed no sympathy for the plight of Palestinians. This raises serious ethical concerns, as individuals who helped create AI for generating kill lists are now shaping the future of AI infrastructure.

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(www.donotpanic.news)
Tech Unit 8200

CppMatch: A Rust-like Error Handling and Pattern Matching Library for C++

2025-03-16
CppMatch: A Rust-like Error Handling and Pattern Matching Library for C++

CppMatch is a lightweight header-only C++ library bringing Rust-style exception handling and pattern matching to C++. It uses a `Result` type to represent success or failure, simplifies error handling with the `expect` macro, and implements pattern matching with the `match` macro. It also offers `zip_match` to combine multiple `Result` objects. Compatible with Clang and GCC, CppMatch offers various error handling strategies, including handling different error types with lambdas. It's a compelling option for C++ developers seeking the elegance of Rust's error handling.

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(github.com)
Development Pattern Matching

Linux Network Programming Guide: A Deep Dive into Socket Programming

2025-01-19
Linux Network Programming Guide: A Deep Dive into Socket Programming

This guide provides a comprehensive explanation of Linux network programming, focusing on socket programming. The author notes that many online resources lack clarity and sample codes often only cover the basics, hence the creation of this tutorial, offering clear guidelines and numerous examples. Topics covered include socket types, addressing, APIs (getprotobyname(), getservbyname(), getaddrinfo(), htonl(), htons(), ntohl(), ntohs(), socket(), setsockopt(), bind(), listen(), accept(), connect(), recv(), send(), close()), client-server models (simple HTTP client, TCP-based client-server, multithreaded TCP client-server, UDP-based client-server), advanced techniques (non-blocking sockets, synchronous I/O multiplexing with select() and poll(), broadcasting messages), and secure networking with libcurl and OpenSSL.

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(github.com)
Development Network Programming Sockets

Rust's Superior Defaults: Preventing Dumb C++ Mistakes

2025-09-06

This article highlights a common C++ pitfall: accidentally copying data instead of referencing it due to a missing ampersand (&). The author demonstrates how Rust's default move semantics and borrow checker prevent this subtle but performance-critical error. Using examples like `vec::retain`, the article shows how Rust's compiler proactively catches such mistakes at compile time, enhancing code reliability. While C++ offers mechanisms to avoid this, Rust's defaults are simpler and more effective, reducing cognitive load for developers. The comparison also touches upon idiomatic versus unidiomatic Rust code, showing that even non-conventional approaches are less prone to these errors in Rust.

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(www.nablag.com)
Development

App-Enabled Price Fixing: How Big Tech Masks Monopoly Power

2025-01-26

Big Tech uses apps to mask price-fixing schemes, exacerbating inflation. The article exposes how food industry giants manipulate prices through data brokers and tacit collusion, citing examples in eggs, frozen potatoes, and meat. These companies leverage information asymmetry and technology to squeeze out smaller businesses and reap exorbitant profits. This isn't limited to food; similar issues plague real estate and fire equipment sectors, prompting discussions on antitrust laws and regulatory action.

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(pluralistic.net)
Tech inflation price fixing

Online Job Applications: A Waste of Time?

2025-02-15
Online Job Applications: A Waste of Time?

After a pandemic-induced break, the author tried online job applications for the first time, only to be met with overwhelming disappointment. Nearly 1000 applications yielded almost no responses. This led him to conclude that online job platforms are largely ineffective, filled with scams and dead ends. He contrasts this with the far superior approach of networking, building a public profile, and directly contacting target companies. The author likens online applications to throwing a letter into the ocean; ultimately, he found his current job through his network.

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(www.hottakes.space)
Misc networking

NsJail: A Powerful Process Isolation Tool for Linux

2025-02-05

NsJail is a robust process isolation tool for Linux that leverages Linux namespaces, resource limits, and seccomp-bpf syscall filters to create secure sandboxes for various applications. It supports isolating networking services, hosting CTF competitions, and containing aggressive OS fuzzers. NsJail offers versatile isolation mechanisms including UTS, MOUNT, PID, IPC, NET, and USER namespaces, alongside filesystem constraints, resource limits, and programmable seccomp-bpf filters. Run untrusted code safely and protect your system from malicious actors.

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(nsjail.dev)
Development Process Isolation

Amazon's Drone Delivery Tests Stir Up Neighborhood Disputes

2025-03-03
Amazon's Drone Delivery Tests Stir Up Neighborhood Disputes

Amazon's drone delivery test program in College Station, Texas, sparked significant backlash from local residents due to excessive noise pollution. Initially, frequent drone flights severely disrupted residents' lives and even affected wildlife. Although Amazon claimed to have implemented noise reduction measures and complied with regulations, residents believed the company made a crucial mistake in locating its drone base near residential areas. Amazon eventually temporarily grounded its drones for a software update and plans to terminate its lease, offering a glimmer of hope to noise-weary residents. The incident raises questions about how tech companies balance commercial interests with public welfare when developing new technologies.

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(www.wired.com)
Tech drone delivery noise pollution community protest

EmacsConf 2024: A Smoothly Run Online Conference

2024-12-28

EmacsConf 2024 successfully concluded! This post, written by Sacha Chua, reflects on the conference's preparation, execution, and lessons learned. From the call for proposals to the final presentations, organizers cleverly used automation tools (Org mode, emacsconf-mail.el, Ansible, etc.) to boost efficiency and leveraged technologies like BigBlueButton and WhisperX for a smooth experience. While technical challenges (BBB server configuration, audio syncing) arose, they were effectively addressed. Sacha shares insights into time management, volunteer coordination, and future improvements, showcasing dedication to the open-source community.

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(sachachua.com)
Development online conference

Chiplab Launches: Run Your 6502 Programs on Real Hardware

2025-03-30

Chiplab now offers a service to run your 6502 assembly programs on a real 6502 chip, providing cycle-by-cycle bus traces for highly accurate testing and research. Users upload their code, which runs for 100 cycles, after which a detailed trace of address and data bus values is returned. This approach offers a superior alternative to emulators and lays the groundwork for analyzing more complex chips in the future. The project is open-source and welcomes contributions.

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(www.emulationonline.com)
Hardware chip emulator

Snap Scope: Find Your Perfect Focal Length

2025-01-24
Snap Scope: Find Your Perfect Focal Length

Snap Scope is an app that helps you discover your favorite focal lengths. By analyzing your existing photos, it intelligently identifies your commonly used focal ranges and recommends lenses you might like. Say goodbye to focal length decision paralysis; Snap Scope helps you easily find the best shooting angle and improve your photography.

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(snap-scope.shj.rip)
Design focal length app

AI: The Next Cloud Computing?

2025-01-21

This article draws a parallel between the current AI boom and the cloud computing wave of 20 years ago. The author argues that while AI, particularly Large Language Models (LLMs), shows immense potential, its development path remains uncertain, much like the early days of cloud computing where many predictions failed to materialize. The author points out that AI's success relies on deep learning, powerful computing resources, and massive datasets, but it also faces challenges such as model size, energy consumption, data bias, and copyright issues. He suggests that the future direction of AI may go beyond current expectations and requires incorporating research from fields like cognitive science for a more comprehensive understanding and application of AI.

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(bitmasonsllc.blogspot.com)
AI

ghidraMCP: An MCP Server for LLM-Powered Automated Reverse Engineering

2025-03-26
ghidraMCP: An MCP Server for LLM-Powered Automated Reverse Engineering

ghidraMCP is a Model Context Protocol (MCP) server enabling Large Language Models (LLMs) to autonomously reverse engineer applications. It exposes a wealth of tools from Ghidra's core functionality to MCP clients. Key features include decompilation and analysis of binaries within Ghidra, automated method and data renaming, and listing methods, classes, imports, and exports. Installation is straightforward, involving downloading the plugin and importing it into Ghidra. Support for multiple MCP clients, including Claude Desktop and 5ire, is provided.

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(github.com)
Development

Why Finding High-Quality Products Is So Difficult

2024-12-16

This article explores the pervasive challenge of finding high-quality products and services in the market. The author argues that markets aren't perfectly efficient, with inefficiencies in companies and products persisting for years. Consumers struggle to discern product quality, often swayed by marketing. Even expert advice proves unreliable. Businesses, prioritizing efficiency, outsource or buy off-the-shelf solutions, but these often lack quality and may have fundamental flaws. The author uses personal anecdotes and case studies to illustrate information asymmetry and trust deficits within and between companies, hindering the production and sale of high-quality goods. The conclusion highlights that building quality isn't easy, but reliable service often necessitates in-house development—a significant hurdle for smaller companies.

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(danluu.com)
Tech product quality market efficiency information asymmetry

DotSlash: Streamlining Executable Deployment

2025-02-20
DotSlash: Streamlining Executable Deployment

DotSlash is a command-line tool that simplifies managing platform-specific executables. Instead of storing multiple binaries and shell scripts, you use a single, human-readable text file. This makes version control easier and improves reproducibility by reducing reliance on the host environment. The first run downloads and verifies the necessary binaries; subsequent runs are instantaneous. It's a powerful way to efficiently manage dependencies in your projects.

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(github.com)
Development development tool executable deployment reproducible builds

The Non-Deterministic Nightmare of React UI Testing

2025-01-31

Testing React UIs presents a unique challenge due to its asynchronous update mechanism. Unlike direct DOM manipulation, React's renderer updates the UI asynchronously, making it difficult for tests to precisely capture the timing of UI state updates. Testing utilities like `act` and `waitFor` offer workarounds, but essentially boil down to 'eventually, something will happen'. Minor UI changes (like animation delays, state update order) can easily break tests, requiring extensive modifications to existing test suites. This results in high maintenance costs for React UI testing, a common pain point for many development teams.

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(blog.bennett.ink)
Development UI testing asynchronous rendering

DIY Pipe Organ: A University Student's Musical Odyssey

2025-01-30

In 1992, a university student with no musical background embarked on a DIY pipe organ journey to fulfill a course requirement. Initially using a vacuum cleaner motor to power crude wooden pipes, the result was deafening. Through experimentation and refinement, he designed an ingenious valve system and pipe structure, culminating in a unique instrument. This humble organ, built with ingenuity and passion, became a testament to the joy of creation and a source of inspiration for fellow music enthusiasts.

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(www.sentex.ca)
Misc DIY instrument pipe organ

Cosmos Keyboard: Design Your Perfect Ergonomic Keyboard

2025-01-14

Cosmos is a revolutionary keyboard design software that lets you create a personalized, ergonomic keyboard by scanning your hand. It supports a wide range of components, including various switches, keycaps, and add-ons like trackballs and OLED displays. Cosmos features error checking and auto-correction for smooth 3D printing, and exports in STL and STEP formats for further modification. With most of its code open-source, it aims to provide everyone with technology to alleviate and prevent typing pain.

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(ryanis.cool)
Hardware ergonomics

Colorado Farm Marries Solar Power and Agriculture for a Sustainable Future

2025-01-04
Colorado Farm Marries Solar Power and Agriculture for a Sustainable Future

A Colorado farmer has pioneered a sustainable model by integrating solar panels with his farm. His 3,276 panels power roughly 300 homes, while the land beneath them supports various crops and livestock, offering crucial shade during Colorado's hot summers. This 'agrivoltaics' approach not only boosts income but also protects soil and improves land use efficiency, offering a blueprint for climate change adaptation. However, challenges remain, including higher initial costs, increased land management demands, and a lack of policy support for agrivoltaics.

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(www.ksjd.org)
Tech sustainable agriculture agrivoltaics

Physically Based Rendering: A Milestone in Ray Tracing

2025-01-16

Physically Based Rendering: From Theory to Implementation is a seminal work in computer graphics, meticulously detailing the construction of modern photorealistic rendering systems through rigorous mathematical theory and executable code. Its impact extends beyond film and game production, influencing product design and architecture. The authors were even awarded an Academy Award for its contribution to filmmaking. The third and fourth editions are now freely available online, offering invaluable learning resources for developers.

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(pbr-book.org)
Development ray tracing rendering

NBA's Apple Vision Pro App Gets a 'Tabletop' View: A New Level of Immersive Sports Viewing

2025-02-14
NBA's Apple Vision Pro App Gets a 'Tabletop' View: A New Level of Immersive Sports Viewing

The official NBA Apple Vision Pro app now features 'Tabletop,' a miniature, diorama-style representation of the live game alongside the standard 2D livestream. While a slight delay exists (around half a second), this dual-view approach offers a unique immersive experience. Currently available for select games, the NBA plans to roll it out to all League Pass games next season. A League Pass subscription ($15/month and up) is required. This innovative feature echoes the now-defunct Lapz F1 app for Vision Pro, highlighting the potential of XR and future AR glasses for remote sports viewing. In contrast, Meta Quest offers free 180-degree immersive streams (though 2D, not 3D) of 52 NBA games via Xtadium, but lacks the unique 'Tabletop' perspective.

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(www.uploadvr.com)
Tech XR Technology
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