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SignalBot: Security, Features, and Free Use

2025-03-28

SignalBot, a free Signal-based notification bot, employs strong security measures and doesn't store messages or metadata; however, sensitive data usage is discouraged. It offers a generic webhook API supporting plain text and emojis (with Markdown support coming soon) for individual or group notifications. Need custom notification formats or specific integrations? Contact the developer!

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(signalbot.one)
Development notification bot

Ruby's Singleton Class: A Deep Dive

2025-01-31

This article delves into Ruby's singleton class, a crucial feature for its object-oriented semantics, despite lacking an official name for years. It explains that a singleton class isn't truly a singleton or a class, but rather an elegant solution to the problem of attaching methods to a specific class in a purely object-oriented language. The article compares solutions in Python and Smalltalk, detailing Ruby's mechanism for implementing class methods using singleton classes, including three syntaxes for defining singleton class methods. Finally, it explores why Ruby chose this approach, highlighting the consistency and importance of singleton classes within Ruby's object-oriented system.

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(noelrappin.com)
Development Singleton Class

LibRedirect: Privacy-Focused Website Redirector

2025-06-22

LibRedirect is a web extension that redirects popular websites like YouTube, Instagram, Reddit, and TikTok to alternative, privacy-friendly frontends. It offers a plethora of alternatives, such as Invidious and Piped for YouTube, Libreddit and Teddit for Reddit, and many more, giving users a more private and secure browsing experience. Say goodbye to data tracking and hello to privacy!

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(libredirect.github.io)
Development alternative websites

Expert vs. Novice: Efficiency in Problem Solving

2025-05-18
Expert vs. Novice: Efficiency in Problem Solving

This essay uses the analogy of a maze to illustrate the stark difference in efficiency between experts and novices in problem-solving. Experts, with their experience and efficient strategies, navigate challenges swiftly. Novices, however, often get bogged down in self-created complexities, wasting time on irrelevant tasks. The author emphasizes that novices aren't inherently less capable but lack experience and a holistic view of the problem. Novices need expert guidance to identify crucial decisions and avoid cascading errors from poor choices. They should actively explore the field, cultivate confidence, and embrace challenges.

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(boydkane.com)
Development expert novice

Impact of Extremely Low Temperatures on 5nm SRAM Array Size and Performance

2025-01-24
Impact of Extremely Low Temperatures on 5nm SRAM Array Size and Performance

New research explores the effects of extremely low temperatures (down to 10K) on the size and performance of 5nm FinFET SRAM arrays. Researchers found that at cryogenic temperatures, the maximum array size is limited by wordline parasitics, not leakage current, and performance is governed by both bitline and wordline parasitics. This has significant implications for future low-power, high-performance computing, offering valuable insights for optimizing SRAM arrays in extremely cold environments.

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(semiengineering.com)
Hardware cryogenic temperatures

Automating Transaction Tracking in Interactive Fiction with LLMs

2025-03-31

An author automated transaction tracking logic in an Emacs-based interactive children's book using an LLM (via gptel). The book features a protagonist who earns, saves, and spends money. Each passage initially contained code tracking transaction amounts. To enhance educational value, the author wanted to show how the cash balance was calculated. Using gptel, a simple prompt allowed the LLM to automatically add a JSON object (cashOperations) to each passage's code, tracking changes in cash with operation type, amount, and description. This significantly improved efficiency, paving the way for adding an arithmetic explainer feature.

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(blog.tendollaradventure.com)
Development

AMD MI300X vs. Nvidia H100/H200 Benchmark: CUDA Moat Remains

2024-12-22
AMD MI300X vs. Nvidia H100/H200 Benchmark: CUDA Moat Remains

SemiAnalysis conducted a five-month independent benchmark of AMD's MI300X against Nvidia's H100 and H200. While the MI300X boasts theoretical advantages in performance and TCO, real-world results fell significantly short due to flaws in AMD's public software stack and insufficient testing. AMD's software proved problematic, hindering usability and resulting in performance trailing Nvidia's offerings across most benchmarks. Despite improvements from AMD engineers, the software stack remains underdeveloped, leaving the CUDA moat intact. This in-depth analysis offers concrete recommendations for AMD to enhance its software and competitiveness.

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(semianalysis.com)
Hardware GPU Benchmark Nvidia H100/H200

Enchanting Organic Simulations: Algorithms and Techniques

2025-07-16
Enchanting Organic Simulations: Algorithms and Techniques

This article delves into the algorithmic techniques behind creating captivating organic simulations, inspired by the behavior of organisms like Physarum polycephalum. The author meticulously explains Jeff Jones' algorithm, detailing particle movement, trail deposition, diffusion, and decay, showcasing how parameter adjustments (sensor distance, angle, rotation angle, move distance) yield diverse results. The article further explores Sage Jenson's '36 Points' project, which introduces dynamic parameter formulas for increased complexity and variety. Finally, the author shares their implementation, leveraging GPU computation and color experiments, providing code snippets and links to interactive projects.

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(bleuje.com)
Development simulation algorithms organic simulation

Resurrecting a 25-Year-Old Tape Driver with AI

2025-09-08

The author enjoys recovering data from old QIC-80 tapes, a popular backup medium in the 1990s. These tapes require the outdated ftape driver, only compatible with very old Linux versions (CentOS 3.5). Using Claude Code, an AI model, the author modernized the ftape driver to compile and run on modern Linux kernels. Through iterations and minor manual adjustments, a loadable kernel module was created, successfully reading test tapes on Xubuntu 24.04. The author shares lessons learned collaborating with AI, emphasizing clear instructions, understanding AI limitations, and leveraging AI as a skill multiplier.

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(dmitrybrant.com)
Development

Pantograph: A Fluid and Typed Structure Editor

2025-02-07
Pantograph: A Fluid and Typed Structure Editor

Pantograph is a revolutionary structured code editor that operates directly on a typed syntax tree, unlike traditional editors that parse text and then typecheck. By introducing the concept of tree selection and "zipper editing," Pantograph simplifies editing existing programs, allowing programmers to make complex code modifications more easily while maintaining type safety. It cleverly handles type diffs and allows for the existence of some errors in the program, facilitating gradual debugging. Pantograph's design is language-generic, enabling developers to define new editors based on its framework.

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(github.com)
Development type safety structured editing

Google Wins Partial Victory in Antitrust Case: DOJ Relents on AI Divestiture

2025-03-10
Google Wins Partial Victory in Antitrust Case: DOJ Relents on AI Divestiture

Google has scored a significant victory in its ongoing antitrust battle with the Department of Justice. While the DOJ still seeks significant regulatory changes to Google's search and Android operations, it has dropped its demand for Google to divest from its AI investments. Instead, Google will now be required to notify the government of future AI acquisitions. This is a substantial win for Google, which argued that restricting its AI investments would harm US leadership in the field. The government's revised proposal still includes extensive oversight of Google's search and Android businesses.

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(arstechnica.com)
Tech

My Year of Therapy: Lessons Learned and Growth Achieved

2025-01-04

This post details the author's takeaways from a year of therapy. Initially skeptical, the author found the experience profoundly beneficial. Key lessons include the importance of finding a good therapist, asking oneself 'How do you feel about it?' to better understand emotions, expressing feelings kindly, and stepping outside one's comfort zone to confront challenges. The author emphasizes that consistent self-reflection and practice are crucial for personal growth.

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(cauldron.life)
Misc mental health therapy

The Truth About Anger: Beyond Retribution, Towards Cooperation

2025-03-22
The Truth About Anger: Beyond Retribution, Towards Cooperation

This essay explores the nature and destructiveness of anger. Starting with Aristotle's definition, the author argues that anger stems from significant damage to something one cares about, coupled with a desire for retribution. However, this desire for payback is deemed irrational, as it fails to restore what was lost. Retribution only makes sense when anger focuses on status rather than justice, a narrow and self-centered perspective. The author advocates a 'transition' from retribution to focusing on the future, resolving issues through cooperation and reason. Nelson Mandela's life serves as a powerful example of this transition's importance in both personal and political life.

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(aeon.co)
Misc retribution cooperation

Building Internet Resilience Clubs to Prepare for Catastrophic Outages

2025-06-16

War, geopolitics, and climate change are increasing the frequency and severity of internet disruptions in Europe. Valerie Aurora proposes forming "Internet Resiliency Clubs" as a grassroots solution. These volunteer groups utilize inexpensive LoRa radios and open-source Meshtastic software to establish localized communication networks independent of centralized infrastructure. By leveraging their technical skills and personal connections, these clubs aim to rapidly restore internet connectivity during crises, addressing the shortcomings of governmental and corporate preparedness. The article details the club's formation, required equipment (LoRa radios, Meshtastic software, power banks, solar panels, etc.), usage, and shares lessons learned from Ukraine's experience in network resilience.

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(bowshock.nl)
Tech community organizing

PostgreSQL Now a Trillian Storage Backend for Certificate Transparency Logs

2025-01-07
PostgreSQL Now a Trillian Storage Backend for Certificate Transparency Logs

Trillian, the open-source Certificate Transparency (CT) log system, now supports PostgreSQL as a storage backend, thanks to a significant contribution from Sectigo. Driven by a previous MariaDB failure due to disk space exhaustion, Sectigo chose PostgreSQL for its enhanced reliability and data integrity, leveraging PostgreSQL's Write-Ahead Logging (WAL) and ACID properties. This benefits not only the CT ecosystem but also other Trillian-based transparency logs. Trillian v1.7.0 includes this support, currently in Alpha.

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(blog.transparency.dev)
Tech Certificate Transparency

Why I Deleted My Social Media Accounts (And Why You Should Too)

2025-01-12

Tired of the declining moral standards and manipulative algorithms of social media platforms? A game developer shares his experience deleting Twitter, Facebook, and TikTok. He describes the frustrating account deletion process and the feeling of regaining control of his time after quitting social media. The article reflects on the negative impacts of social media on teens and adults, urging readers to reconsider their engagement with these platforms.

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(asylumsquare.com)
Misc social media detox

Southeast Asia's Booming Scam Centers: $37 Billion in Losses, International Cooperation Crucial

2025-07-14
Southeast Asia's Booming Scam Centers: $37 Billion in Losses, International Cooperation Crucial

A UNODC report reveals that scam centers are proliferating across Southeast Asia's border regions. Myanmar-based criminal groups, facing increased crackdowns, have relocated to countries like Laos and Cambodia. In 2023 alone, losses from these operations reached a staggering $37 billion in East and Southeast Asia, surpassing the revenue of drug syndicates. Japan is strengthening cooperation with local authorities, but the fluid nature of these criminal groups and their ability to adapt requires increased international collaboration to effectively combat this lucrative form of organized crime.

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(asia.nikkei.com)
Misc

Avatar: Seven Havens – A New Chapter in the Avatarverse

2025-02-23
Avatar: Seven Havens – A New Chapter in the Avatarverse

The creators of Avatar: The Last Airbender and The Legend of Korra are bringing a new 26-episode animated series to Nickelodeon: Avatar: Seven Havens. Set in a world ravaged by cataclysm, a young Earthbender discovers she's the new Avatar, but in this dangerous era, she's hunted by both human and spirit enemies. She and her long-lost twin must uncover their origins and save the Seven Havens before civilization collapses. This marks a significant expansion of the Avatar universe, produced by Avatar Studios.

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(deadline.com)
Game Avatar

Ketamine's Neurotoxicity: The Dark Side of Recreational Use

2025-02-24
Ketamine's Neurotoxicity: The Dark Side of Recreational Use

This article explores the neurotoxic effects of ketamine, particularly from recreational use. High-dose ketamine use leads to significant brain damage, resembling multiple sclerosis (white matter lesions) and Alzheimer's disease (grey matter atrophy) after prolonged use. Even therapeutic doses show tolerance and potential neurotoxicity. The author shares personal experiences highlighting the risks of ketamine abuse, emphasizing the need to weigh risks and benefits when considering it for treating treatment-resistant depression, acknowledging the damaging effects of untreated depression itself.

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(desmolysium.com)
Misc neurotoxicity drug abuse

Zaymo, YC-backed Startup, Seeks Founding Engineer

2024-12-17
Zaymo, YC-backed Startup, Seeks Founding Engineer

Zaymo, a Y Combinator-backed e-commerce email marketing startup, is hiring a Founding Engineer. Zaymo transforms e-commerce emails into shoppable landing pages, allowing purchases without leaving the inbox. The company is experiencing hyper-growth and seeks an experienced full-stack engineer to help build the future of email marketing. The ideal candidate has 2+ years of startup engineering experience, proficiency in TypeScript, Remix, and AWS, and a positive, fast-moving, collaborative attitude. Zaymo offers competitive salary, equity, and relocation assistance.

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(www.ycombinator.com)
Startup Engineer

Programmer Tackles Advent of Code 2024 on OS/2 Warp 4 with Java 1.0.1

2024-12-26

A programmer took on the Advent of Code 2024 challenge using Java 1.0.1 on a 1996 IBM OS/2 Warp 4 system. This wasn't just a coding challenge; it was a retro journey pushing the limits of outdated hardware and software. The article details the challenges encountered, including bugs in Java 1.0.1, performance bottlenecks, and limitations of the old system, and how these were overcome. This showcases not only coding prowess but also the charm of early computing technology and the programmer's perseverance.

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(www.uninformativ.de)
Development

Hiding a Message in an eID Photo: A Failed Experiment

2025-05-06
Hiding a Message in an eID Photo: A Failed Experiment

A programmer attempts to embed a blog advertisement in his electronic ID photo. Using tools like ImageMagick, he inserts nearly invisible logos and text. However, during the ID card production process, this hidden information is removed. Although the experiment fails, he meticulously documents the entire process, including image manipulation techniques and legal analysis, showcasing the joy of technical exploration and attention to detail.

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(informatykzakladowy.pl)
Tech information hiding eID

FTC Delays Enforcement of Click-to-Cancel Rule

2025-05-12
FTC Delays Enforcement of Click-to-Cancel Rule

The Federal Trade Commission (FTC) has delayed enforcement of its “click-to-cancel” rule until July 14th, pushing back the original May 14th deadline. The rule, part of the Negative Option Rule, requires subscription cancellations to be as easy as sign-ups. The FTC cited a reassessment of the burden of immediate compliance as the reason for the delay. While enforcement will begin July 14th, the FTC remains open to amending the rule if problems arise during implementation.

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(www.theverge.com)
Tech click-to-cancel

Lightpanda: A Lightweight Headless Browser for AI and Automation

2025-01-24
Lightpanda: A Lightweight Headless Browser for AI and Automation

Lightpanda is an open-source headless browser designed for AI and automation tasks. Written in Zig, it boasts ultra-low memory footprint and exceptionally fast execution—11x faster and 9x less memory than Chrome. Supporting Javascript execution and partial Web APIs, it's compatible with Playwright and Puppeteer, ideal for AI agents, LLM training, scraping, and testing. Currently in Beta, it already features an HTTP loader, HTML parser, DOM tree, Javascript support (v8), basic DOM APIs, Ajax, XHR API, Fetch API, and DOM dumping.

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(github.com)
Development headless browser

Egg Prices Soar: A Monopoly's Grip on the American Breakfast

2025-03-09
Egg Prices Soar: A Monopoly's Grip on the American Breakfast

Egg prices in the US have skyrocketed by 53%, but the avian flu isn't the whole story. An investigation reveals a shocking level of industry consolidation. Two companies control chicken genetics, and Cal-Maine Foods dominates egg production and distribution. By artificially restricting supply, they've created a shortage driving massive profits. This article exposes the oligopoly's control of the American egg industry and its complex web of influence, highlighting a growing problem of monopolies in the US economy.

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(www.thebignewsletter.com)
Tech egg prices

Revolutionizing AI Clocks: MEMS Technology Boosts Energy Efficiency

2025-02-03
Revolutionizing AI Clocks: MEMS Technology Boosts Energy Efficiency

SiTime has developed a new clock chip optimized for AI workloads, using MEMS technology instead of traditional quartz crystals to significantly reduce energy consumption and costs for AI training and inference. Traditional computer clocks are mainly divided into high-speed, precise clocks and multi-GPU synchronized clocks, while AI requires both simultaneously. SiTime's Super-TCXO clock combines both, offering 3x better synchronization, 800 Gbps bandwidth, and a 4x smaller footprint. More precise timing allows for more efficient GPU utilization and sleep modes during data waits, saving substantial energy. This innovation promises to revolutionize data center timekeeping and unlock new possibilities for AI.

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(spectrum.ieee.org)
Tech

Three Days of Hell: From Python Utility to Web App

2025-02-09
Three Days of Hell: From Python Utility to Web App

The author spent three days trying to convert a simple Python utility into a web application. Initial attempts using Flask and Bottle frameworks failed due to CORS issues and the complexities of asynchronous requests. A foray into JavaScript's Fetch API and a Node.js REST API proved too cumbersome to maintain. Ultimately, the author reverted to the original Bottle app, accepting the user wait time for request completion in exchange for simpler, maintainable code. This highlights the importance of technology choices—sometimes the simplest solution is the best.

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(rudyfaile.com)
Development

Sub-Millisecond Game Streaming: A New Codec Emerges

2025-07-29

A developer has created PyroWave, an ultra-low-latency game streaming video codec, building upon their master's thesis. Rejecting traditional motion prediction and entropy coding, it uses Discrete Wavelet Transform (DWT) and block-based encoding to achieve sub-millisecond latency (encoding under 100µs, decoding under 1ms). While the bitrate is high (100+ Mbit/s), it excels in local network environments and boasts excellent error resilience. Benchmarks against NVENC show PyroWave achieving superior visual quality in some scenarios, highlighting its potential for low-latency game streaming.

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(themaister.net)
Development low-latency encoding wavelet transform
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