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High-Performance Dynamic Dispatch with GLIBC hwcaps

2025-07-16

This article demonstrates how to leverage GLIBC 2.33+ hwcaps for simple dynamic dispatch in amd64 and POWER shared libraries. By creating library files for different CPU instruction sets (e.g., x86-64-v4, x86-64-v3, etc.) under `/usr/lib/glibc-hwcaps/`, the dynamic linker automatically loads the corresponding library based on the highest instruction set supported by the CPU, optimizing performance. This solves the challenge of maintaining consistent library performance across different CPU architectures, as demonstrated in the Debian packaging of the ggml library used by llama.cpp and whisper.cpp.

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(www.kvr.at)
Development dynamic dispatch

Passkeys: Convenience vs. Control – A Growing Concern

2025-09-02
Passkeys: Convenience vs. Control – A Growing Concern

The shift towards passkeys as a replacement for usernames and passwords, while aiming for enhanced security, presents underlying issues. The attestation system allows websites to gather detailed device information, enabling governments to restrict users to specific hardware authenticators. Interoperability between password managers is limited, creating vendor lock-in. Sneaky auto-enrollment tactics by services subtly bind users to their ecosystems. The author expresses concern over increasing reliance on tech giants and complex systems, potentially leading to restricted data access, heightened authentication complexity, and ultimately, a loss of user agency.

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(lucumr.pocoo.org)
Tech

Relaxed Radix Balanced Trees: Efficient Immutable Vectors

2025-02-19

This article introduces Relaxed Radix Balanced (RRB) trees, a data structure designed for efficient immutable vector implementation. Unlike persistent vectors, RRB trees offer significant performance advantages in merge operations. The article delves into the workings of RRB trees, explaining the core concept of relaxing the left-dense constraint and how a size table and the M..M-1 invariant ensure efficient lookups and merges. A TypeScript implementation is provided, along with a detailed explanation of the merge algorithm, showcasing RRB trees' efficiency in practice.

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(peter.horne-khan.com)
Development immutable vectors

The Bloody Cane: Gutta-Percha, the Transatlantic Cable, and Environmental Destruction

2025-09-01
The Bloody Cane: Gutta-Percha, the Transatlantic Cable, and Environmental Destruction

The 1856 caning of Senator Charles Sumner by Representative Preston Brooks is a notorious event highlighting the fractured political climate before the American Civil War. Less known is the story of the cane itself, crafted from gutta-percha, a natural rubber from Southeast Asia. This seemingly innocuous material proved crucial to the 19th-century communications revolution, enabling the transatlantic telegraph cable. However, the insatiable demand led to widespread deforestation and environmental devastation, ultimately replaced by synthetic plastics. The story serves as a cautionary tale about the unforeseen consequences of technological advancement and the need for sustainable practices.

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(worldhistory.substack.com)
Misc

Cline: A Game-Changing AI Coding Assistant for Serious Engineering

2025-02-04
Cline: A Game-Changing AI Coding Assistant for Serious Engineering

The AI coding assistant market is flooded with tools, but Cline, a free VSCode plugin, stands out for its system-level integration and model flexibility. Unlike code-generation-focused tools, Cline interacts with your entire development environment, excelling in complex debugging, refactoring, and testing. It supports various models (Anthropic, OpenAI, Google Gemini, etc.), boasts intelligent context management, real-time cost tracking, and a robust checkpoint system. Its unique 'Plan/Act' mode and Model Context Protocol (MCP) enhance efficiency and extensibility, making it ideal for complex systems and large codebases. While limitations exist, Cline's system-level integration, model flexibility, and respect for engineering principles make it a powerful tool for serious development work.

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(addyo.substack.com)
Development system-level integration model flexibility

T-Mobile's Fiber Blitz: 500K+ Homes Get Gig Speeds

2025-06-03
T-Mobile's Fiber Blitz: 500K+ Homes Get Gig Speeds

T-Mobile is expanding its fiber internet service to over 500,000 US households, launching three new plans with symmetrical speeds up to 2 Gig. These plans include a five-year price lock and a $5 autopay discount (debit card or bank account required). This expansion follows a joint venture with Lumos and a pending Metronet acquisition, aiming to reach 12-15 million homes by 2030. A limited-time 'Fiber Founders Club' plan offers a 10-year price lock but is available in select locations only.

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(www.theverge.com)
Tech Fiber Internet Network Expansion

TrailBase: A Blazing Fast Lightweight Database

2025-02-04

TrailBase, a lightweight database, combines a low-overhead language, a fast HTTP server, and a lightweight relational SQL database. Benchmarks show TrailBase inserting 100k records over 20 times faster than SupaBase, 10 times faster than PocketBase, and even slightly faster than in-process vanilla SQLite. While SupaBase offers more features, its memory footprint is roughly 50 times larger than TrailBase's. TrailBase boasts sub-millisecond read latencies, comparable to Redis, but operates on primary data, not a cache. Its JavaScript performance is also exceptional, with its V8 engine outperforming PocketBase's goja engine by a factor of 40. In short, TrailBase is incredibly fast and resource-efficient, but real-world testing is crucial.

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(trailbase.io)
Development

16th Century Germany's Celestial Anomalies: Portents of the Apocalypse

2025-01-01
16th Century Germany's Celestial Anomalies: Portents of the Apocalypse

16th-century Germany witnessed a flurry of bizarre celestial events: bloody rays bisecting the sun, extraterrestrial battles in the sky, and meteor showers. These 'wonder-signs' (Wunderzeichen) were meticulously documented in woodcuts, pamphlets, astronomical texts, and personal diaries. Widely interpreted as omens of the apocalypse, these phenomena were fueled by the anxieties of the Reformation. The article explores the methods of recording these events, their societal impact, and their connection to religious reform, highlighting the crucial role of printing technology in disseminating these 'prophecies'.

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(publicdomainreview.org)
Misc religion astronomy printing

India's IT Sector: An AI-Driven Exodus

2025-09-15
India's IT Sector: An AI-Driven Exodus

India's $250 billion technology services industry, built on a foundation of low-cost engineering graduates, faces a structural crisis. AI is rapidly automating entry-level roles, the very training ground for generations of programmers. This impacts a sector employing 5.4 million, contributing 8% to India's GDP, and a crucial pillar of its middle class. Major IT firms are drastically reducing hiring and even laying off workers, contrasting sharply with an annual workforce increase of 8-9 million. While AI boosts productivity, profit margins remain stagnant due to price pressures and a shift towards higher-cost onshore consulting. India faces a challenge: pivot towards labor-intensive sectors and adapt education to AI-related skills, or risk massive youth unemployment.

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(indiadispatch.com)
Tech India IT

Programmer Turns Movie Frames into AI Art

2024-12-19
Programmer Turns Movie Frames into AI Art

A programmer used Python, OpenCV, and PIL libraries to transform movie frames into unique pieces of art. Extracting frames from videos, compressing colors, and generating barcode and circular "iris" images, the project, 'Movie Iris,' visualizes the evolution of a film's color themes. The open-sourced code can process any video, turning everyday moments into art.

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(github.com)
Development image processing AI art

Synology DS923+ vs. Home-Built FreeBSD NAS: A Head-to-Head Comparison

2024-12-19
Synology DS923+ vs. Home-Built FreeBSD NAS: A Head-to-Head Comparison

Julio Merino compares a Synology DS923+ against his home-built NAS running FreeBSD 14 with ZFS. His custom NAS utilizes a powerful ThinkStation workstation with ample CPU and RAM, while the DS923+ is a compact, dedicated NAS appliance with Synology's DSM and btrfs. Both offer comparable IOPS and network performance, but the DS923+ excels in noise and power consumption. DSM provides a user-friendly experience and robust backup solutions, while FreeBSD/ZFS requires more manual configuration and maintenance. Ultimately, the author prefers the DS923+ for its increased peace of mind regarding data security and management.

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(blogsystem5.substack.com)
Hardware

Toshiba Visicom COM-100: A Colorful Twist on a 70s Console

2025-01-19
Toshiba Visicom COM-100: A Colorful Twist on a 70s Console

In 1977, Toshiba seized the burgeoning home video game market, releasing the Visicom COM-100 based on RCA's Studio II technology. This console not only included the five built-in games of the Studio II but innovatively added color, using a unique four-color system. The article details the Visicom COM-100's hardware architecture, memory map, and two game cartridges (CAS-130 and CAS-141), featuring games like baseball, sumo wrestling, and a slot machine. Despite its high price, the Visicom COM-100's technical improvements and influence on the Japanese gaming market are noteworthy, particularly its pioneering color display technology for its time.

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(nicole.express)
Game retro gaming console hardware development

arXivLabs: Community-Driven Experiments on arXiv

2025-02-18
arXivLabs: Community-Driven Experiments on arXiv

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Participants, individuals and organizations alike, embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who share them. Got an idea to enhance the arXiv community? Explore arXivLabs.

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(arxiv.org)
Development

Remote Code Execution on a Synth via MIDI Shellcode: Bad Apple on an LCD

2025-01-05

A hacker achieved remote code execution on a Yamaha PSR-E433 synthesizer using its MIDI interface. Through reverse engineering, they created a shell accessible via MIDI SysEx messages. This shell allowed them to manipulate the synth's memory, ultimately resulting in a Bad Apple video playing on its LCD screen. The project involved intricate JTAG debugging, firmware analysis, ARM assembly programming, and clever memory manipulation techniques. This impressive feat showcases a deep understanding of embedded systems reverse engineering.

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(psi3.ru)
Tech

Sandstorm: Your Data's Secure Sandbox

2025-08-09
Sandstorm: Your Data's Secure Sandbox

Sandstorm is a collaborative platform prioritizing security. Each document, chat room, mailbox, and more, is containerized as a secure 'grain' in its own sandbox. These grains are isolated, unable to communicate with the outside world without explicit permission. This automatically mitigates 95% of security vulnerabilities, keeping your data private until you choose to share it.

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(sandstorm.org)
Development

arXivLabs: Community-Driven Experiments on arXiv

2025-03-27
arXivLabs: Community-Driven Experiments on arXiv

arXivLabs is a platform enabling collaborators to build and share new arXiv features directly on the website. Participants, both individuals and organizations, share arXiv's commitment to openness, community, excellence, and user data privacy. arXiv only partners with those who uphold these values. Got an idea to improve the arXiv community experience? Explore arXivLabs.

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(arxiv.org)
Development

The Rise of the AI Code Cleanup Economy

2025-09-21

The widespread adoption of AI-assisted coding has brought about a significant challenge: the mess of 'vibe coding.' While AI generates code efficiently, it often lacks architectural soundness, security considerations, and an understanding of system context, leading to extensive code refactoring needs. A new profession has emerged—the AI code cleaner—specializing in fixing low-quality AI-generated code and commanding high fees. Market research indicates that most enterprise software engineers will use AI code assistants by 2028, signaling a massive growth opportunity in the AI code cleanup market. The future of software development will likely involve AI handling initial implementation, while humans manage architecture, testing, and cleanup. Engineers proficient in AI code cleanup will be in high demand.

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(donado.co)
Development

DeepSeek Surpasses ChatGPT in Monthly Website Visits

2025-03-31
DeepSeek Surpasses ChatGPT in Monthly Website Visits

Chinese AI startup DeepSeek has overtaken OpenAI's ChatGPT in new monthly website visits, becoming the fastest-growing AI tool globally, according to AI analytics platform aitools.xyz. In February 2025, DeepSeek recorded 524.7 million new visits, surpassing ChatGPT's 500 million. While still third overall behind ChatGPT and Canva, DeepSeek's market share soared from 2.34% to 6.58% in February, indicating strong global adoption. Its chatbot garnered 792.6 million total visits and 136.5 million unique users. India contributed significantly, generating 43.36 million visits monthly. The overall AI industry saw 12.05 billion visits and 3.06 billion unique visitors in February.

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(economictimes.indiatimes.com)
AI AI growth

SpaceX Starship Set for Another Launch Attempt After January Explosion

2025-02-24
SpaceX Starship Set for Another Launch Attempt After January Explosion

A month after a spectacular explosion during its first test flight, SpaceX is preparing Starship for another launch attempt. The FAA announced a launch window between February 26th and 28th from Starbase in South Texas. While the January 16th launch saw the first stage land successfully, the upper stage experienced engine failure and broke apart, scattering debris across the Caribbean. Despite this setback and the ongoing FAA investigation into the incident, SpaceX is pressing ahead, aiming to get the Starship program back on track.

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(arstechnica.com)
Tech

The Year-Long Cover-Up of the H5N1 Dairy Outbreak

2025-03-11
The Year-Long Cover-Up of the H5N1 Dairy Outbreak

A year ago, the USDA and the dairy and cattle industries were in damage control mode regarding the H5N1 2.3.4.4b B3.13 outbreak. Initially, the virus was believed to spread exclusively through milk from lactating cows, leading to simplified control strategies. However, a new study reveals a different story: widespread transmission among both lactating and non-lactating cows, with respiratory spread likely the primary route. For a year, serological test results were suppressed, only recently being released. This exposes opacity in decision-making and a prioritization of economic interests over scientific truth. The study highlights the complexity and potential risks of H5N1, calling for more comprehensive control measures.

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(hogvet51.substack.com)
Tech animal outbreak

The Paradox of Elegant Programming Languages: Why Simplicity Can Be a Curse

2025-01-13

Some programming languages fail to gain traction due to obscurity or overly ambitious designs. The article explores the challenges faced by concise, elegantly designed languages like BF and Scheme, where developers often prioritize building their own implementations rather than using existing ones. The author argues that a balance between simplicity and practicality is crucial. Multiple implementations are beneficial only when a strong user community exists and demands diverse implementations. The success of Clojure and Racket suggests that languages need to reach a critical mass to attract users who focus on application development, rather than implementation.

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(www.wilfred.me.uk)
Development

Critical Apple CPU Side-Channel Flaws Steal Browser Data

2025-01-28
Critical Apple CPU Side-Channel Flaws Steal Browser Data

Researchers have uncovered new side-channel vulnerabilities, FLOP and SLAP, in Apple's M-series and A-series processors. These flaws allow remote attackers to steal sensitive data from web browsers via malicious websites, bypassing browser sandboxing. The vulnerabilities stem from faulty speculative execution, exploiting the CPU's mispredictions to leak information like emails, location history, and more. Apple is aware and plans to address the issue, but patches aren't yet available. Disabling JavaScript is a temporary mitigation, but impacts website functionality.

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(www.bleepingcomputer.com)
Tech Apple CPU Side-channel attack Security vulnerability

Breaking Through: Open-Source Toolchain for Fuzzing Qualcomm Hexagon Basebands

2025-07-02
Breaking Through: Open-Source Toolchain for Fuzzing Qualcomm Hexagon Basebands

Qualcomm's proprietary Hexagon baseband architecture has hindered security research due to a lack of suitable tooling. This paper introduces the first open-source toolchain enabling full-system emulated fuzzing of Hexagon firmware. Leveraging a QEMU fork with Hexagon support and LibAFL, this toolchain addresses the gap in analyzing Hexagon basebands. Researchers can now perform coverage-guided fuzzing and utilize visualization tools to improve reverse engineering. This significantly advances Hexagon baseband security analysis, opening up new avenues for research and enhancing the security of billions of devices.

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(www.srlabs.de)
Tech baseband security

arXivLabs: Community Collaboration on arXiv Features

2025-05-28
arXivLabs: Community Collaboration on arXiv Features

arXivLabs is a platform enabling developers and researchers to build and share new arXiv features directly on the arXiv website. Participants, individuals and organizations alike, embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who share them. Got an idea to enhance the arXiv community? Explore arXivLabs!

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(arxiv.org)
Development

Nantucket's Hilarious Case of Mistaken Identity: A G-Wagon Gone Wrong

2025-07-12
Nantucket's Hilarious Case of Mistaken Identity: A G-Wagon Gone Wrong

A 1991 Mercedes G-Wagon's disappearance from a Nantucket Stop & Shop parking lot sparked a 48-hour island-wide mystery. The twist? An elderly person visiting the island mistakenly used their key to unlock a similar G-Wagon, driving it home. After a flurry of speculation and social media posts, the rightful owner was reunited with their vehicle thanks to a sharp-eyed islander and a bit of comical confusion. Police confirmed no charges would be filed. The incident highlights the frequency of mistaken-identity car swaps on the island due to the abundance of similar vehicles.

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(nantucketcurrent.com)
Misc mistaken identity Nantucket G-Wagon

Noloco Hiring: Founder's Associate - Build AI Apps, No Code Required

2025-07-01
Noloco Hiring: Founder's Associate - Build AI Apps, No Code Required

Noloco, a remote-first company backed by Y Combinator and other top-tier investors, is hiring a Founder's Associate. This high-impact role involves assisting the CEO with daily operations, strategic planning, and special projects, encompassing finance, recruiting, team events, and more. The ideal candidate will have 1-3 years of experience in startups, consulting, or venture capital, exceptional communication and problem-solving skills, and a strong technical curiosity. You'll gain invaluable insight into early-stage company building and have a significant influence on the company's trajectory.

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(www.ycombinator.com)
Startup Founder's Associate

65-Year-Old Math Mystery Solved: Dimension 126 Hosts Weird Shapes

2025-05-05
65-Year-Old Math Mystery Solved: Dimension 126 Hosts Weird Shapes

After 65 years, mathematicians have finally proven the existence of strangely twisted shapes in dimension 126, shapes that cannot be transformed into a sphere through a simple surgical procedure. This research reveals the bizarre nature of shapes in higher dimensions and solves the long-standing "doomsday hypothesis." The team used a combination of computer calculations and theoretical insights to complete this monumental project.

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(www.quantamagazine.org)
Math higher dimensions mathematical problem
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