Computer scientists invent an efficient new way to count

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A computer scientist suggests using an algorithm called CVM to count unique animals or users, which requires remembering only a small number of entries instead of the entire list. The CVM algorithm solves the distinct elements problem by relying on randomization and can efficiently monitor a stream of elements without exceeding available memory.

A forged Apple employee badge

https://i0.wp.com/cabel.com/wp-content/uploads/2022/12/photobooth1-upscaled.png?fit=1180%2C1180&ssl=1
A person sold an Apple Employee #10 badge, claiming it was authentic, but Chris Espinosa, Apple Employee #8, suspected it was fake and the buyer eventually discovered several inconsistencies. The seller made mistakes and eBay failed to take action despite multiple reports of fraud.

Slack AI Training with Customer Data

https://a.slack-edge.com/3103e63/marketing/img/features/ai/nav-pricing/slack-ai-blog-hero@2x.png
Slack's mission is to simplify work life while prioritizing customer data privacy and security, using machine learning and artificial intelligence in limited ways to enhance its product. The company has guiding principles and technical controls in place to prevent data leaks, offers customers choices around model training, and aggregates data to ensure anonymity when updating services.

VCs aren’t your friends

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Jason Lemkin, a VC, passed on a startup due to an outdated deck, highlighting the importance of micro-signals and red flags in cold emails. VCs are investors first and foremost, not teachers or managers, and founders must bring their A game to stand out in a crowded market.

Llama 3 implemented in pure NumPy

https://docs.likejazz.com/images/2024/c64ef866-4220-4d0b-a532-248288469ce2Frame%2061%20(7).png
The Llama 3 model uses NumPy to implement its structure, with a focus on RoPE embedding and RMSNorm normalization. The model's architecture includes Multi-Head Attention, Feed Forward networks, and SwiGLU activation functions, which are used to generate tokens one after another during the decoding process.

Things I won't work with: the higher states of bromine (2019)

Chemists have worked with various bromine compounds, but a new paper by Konrad Seppelt at Freie Universität Berlin describes unusual and toxic mixed-halogen species that are difficult to prepare and handle. The preparation of these compounds requires specialized equipment, non-common reagents, and caution due to their potential explosiveness.

D3 in Depth

https://www.d3indepth.com/img/visualising-data-with-js/cover.jpg
The book "Visualising Data with JavaScript" teaches data visualization using Chart.js, Leaflet, D3, and React. It covers HTML, SVG, CSS, and JavaScript fundamentals for building web-based data visualizations.

Visualizing algorithms for rate limiting

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Rate limiting algorithms control traffic to services by blocking requests that exceed a set limit during a period. Three common algorithms are fixed window, sliding window, and token bucket, each with its own pros and cons for handling bursts and average rates of requests.

Utah Locals Are Getting Cheap 10 Gbps Fiber Thanks to Local Governments

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UTOPIA, a Utah-based open-access fiber network, has allowed 18 ISPs to compete for customers and offers affordable gigabit fiber plans starting at $75 per month. Despite initial opposition from regional monopolies, UTOPIA has been profitable and successful, with over 450 municipal broadband networks now operating across the US.

Some notes on Rust, mutable aliasing and formal verification

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Egypt's pyramids may have been built on a long-lost branch of the Nile

https://media.nature.com/lw767/magazine-assets/d41586-024-01449-y/d41586-024-01449-y_27097740.jpg
Researchers have discovered an ancient branch of the Nile River, named Ahramat Branch, which once flowed near many major pyramid sites in Egypt. The discovery suggests that ancient Egyptians may have used boats to transport building materials rather than carrying them over land, providing new insights into their construction methods and daily life.

Winamp has announced that it is "opening up" its source code

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Winamp will open its source code to developers worldwide on September 24, 2024, allowing global collaboration and community-driven development. The company will focus on new mobile players and platforms while still supporting Windows users who can benefit from thousands of developers' expertise and creativity.

Deutsche Bahn introduces "MetaWindow"

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Deutsche Bahn has introduced the MetaWindow, a transparent noise barrier with unparalleled sound-absorbing capabilities, developed with Italian start-up Phononic Vibes. The innovative technology achieves high noise insulation levels while maintaining transparency and is designed for sensitive areas where strict noise reduction regulations apply.

ChatGPT-4o vs. Math

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A roll of tape is described with dimensions: outer diameter 10 cm, inner diameter 5 cm, and length when unrolled as 100 meters. The user tests various prompts and modalities to determine the thickness of the tape, but GPT-4o's responses are inconsistent and often incorrect due to misunderstandings about image context.

Sprint, T-Mobile Merger Killed Wireless Price Competition in U.S.

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T-Mobile's acquisition of Sprint led to layoffs, reduced competition, and higher prices, contradicting CEO John Legere's claims that the merger would result in lower prices and job growth. The deal was approved by Trump regulators despite warnings from critics and has since made the US one of the most expensive mobile markets in the world.

What's New in Neovim 0.10

https://gpanders.com/img/nvim-colorscheme-old.png
Neovim 0.10 has been released with many new features, including a new default colorscheme, improved LSP support, and experimental hyperlinks in Markdown files. The release also includes several other notable changes, such as Tree-sitter query editing and improvements to terminal output synchronization.

The Downfall of DeviantArt

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DeviantArt, a 24-year-old social network for artists, has been accused of promoting artificial intelligence-generated art and allowing bots to buy and sell artwork on its platform, leading to outrage among its community. The site's A.I. integrations have also led to lawsuits from artists who claim their work was scraped without permission and used to train generative-A.I. models, highlighting ...

Students invent quieter leaf blower

https://api.hub.jhu.edu/factory/sites/default/files/styles/landscape/public/2024-05/leaf-blower051324_JHU2340.jpg
Johns Hopkins University engineering students have developed a patent-pending quiet leaf blower that reduces overall noise levels by nearly 40% and eliminates obnoxious frequencies. The design, which uses an attachment to separate and redirect air flow, has been praised by Stanley Black & Decker officials who plan to mass manufacture and sell the new tool within two years.

Wuffs: Wrangling Untrusted File Formats Safely

https://raw.githubusercontent.com/google/wuffs/main/test/data/ridiculously-fast.png
Wuffs is a memory-safe programming language designed for parsing, decoding, and encoding file formats safely, aiming to produce software libraries as safe as Go or Rust but as fast as C. The language requires explicit annotations for safety proofs and compiles checks at compile-time, making it suitable for writing performance-conscious and security-conscious libraries that can be used ...

F* – A Proof-Oriented Programming Language

https://www.fstar-lang.org/i/fstar-new.png
F* is a programming language that has been actively researched and applied in various fields, including security, cryptography, and formal methods. The language has evolved significantly since its introduction in 2011, with numerous papers published on its design, implementation, and applications in areas such as verified low-level programming, dependent types, and monadic effects.

Ubershaders: A Ridiculous Solution to an Impossible Problem (2017)

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Dolphin, an emulator for GameCube and Wii games, has been plagued by "shader compilation stuttering" due to the need to compile shaders on the fly, which causes a noticeable delay. After years of work, Dolphin's developers have finally solved this issue with the introduction of "Ubershaders", which allow for faster shader compilation and eliminate stuttering.
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The user is frustrated with Google's AI search feature, which slows down their browsing experience and serves unwanted results. They want to turn it off but can't find an option to do so and are instead trying to race the AI results by scrolling quickly down the page before they appear.

Improvements to data analysis in ChatGPT

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ChatGPT's new features allow users to interact with tables and charts, add files directly from Google Drive and Microsoft OneDrive, and analyze data by writing Python code. The updates include improved data analysis capabilities, customizable charts, and enhanced collaboration tools for ChatGPT Plus, Team, and Enterprise users.

Growing sodium chloride crystals at home

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The author shares a technique for growing large, high-quality sodium chloride crystals at home by controlling the crystallization process and using a specific procedure to prepare the solution and seed crystal. The resulting crystals can be transparent, cubic, or even form unique shapes like pyramids or clusters, depending on factors such as evaporation rate and environmental conditions.

Germany's Sovereign Tech Fund Now Supporting FFmpeg

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Germany's Sovereign Tech Fund has provided €157,580 to FFmpeg for 2024 and 2025 to sustain its maintenance. This funding will help maintain the critical open-source multimedia library, essential for bringing audio and video to billions worldwide.

Exact binary vector search for RAG in 100 lines of Julia

The user experimented with exact search over binary vectors and found it to be feasible even for large datasets, achieving state-of-the-art results with ~100 lines of Julia code. The dataset size at which exact brute search becomes unfeasible depends on query speed requirements and available resources.

Wind farms can offset their emissions within two years, new study shows

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A new study finds that wind farms can offset their carbon emissions within two years, and generate all energy consumed across their lifespan within six months. The research highlights the importance of reducing emissions during the manufacturing process and recommends recycling end-of-life blades to minimize environmental impacts.

Earth rotation limits in-body image stabilization to 6.3 stops (2020)

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Olympus Camera claimed their new camera had 6.5 stops of stabilization, limited by Earth's rotation, but this was surprising given slow improvement since the first stabilization systems were introduced. The limiting factor becomes Earth's rotation at around 6 stops of shutter speed increase, and Olympus and Panasonic claim to have broken through this limit with 7+ stops of stabilization.

Jike: The obscure social media app beloved by China's tech scene

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Wang Huiwen, co-founder of Meituan, announced plans to build China's OpenAI on Jike, a niche social media platform popular among tech workers and investors. Jike has grown into a community-driven platform with 2 million users, known for its curated topics and in-depth discussions.

Show HN: I'm 17 and wrote a guide on how to build your own programming language

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The input consists of a list of 64 colors, each represented by a hexadecimal code (r, g, b) and used to prepare rows. The colors are used to create a color palette for design purposes.

Build WebGPU apps with PlayCanvas

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PlayCanvas Editor now supports WebGPU, which offers improved performance and functionality, with Chrome and Edge browsers already enabled. To opt-in to WebGPU support, update Graphics Devices to include WebGPU (beta) in your project's settings, and provide feedback on any issues or feature requests.

Swift sucks at web serving or does it?

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Axel Roest's web server comparison sparked an interesting discussion on the Swift Forums, highlighting the importance of questioning results and considering multiple factors, including energy efficiency, throughput, latency, RAM usage, and power consumption. The benchmark revealed several issues with wrk tooling and macOS kernel limitations that affected the results, ultimately leading to a ...

A long list of (advanced) JavaScript questions, and their explanations

https://camo.githubusercontent.com/90d7e0a800f423e8e042a55252a744a59cafe8d976d3126da45e0ffa8259078d/68747470733a2f2f692e696d6775722e636f6d2f6b6f356b3066732e706e67
The JavaScript questions and explanations cover various topics such as variable hoisting, scope, functions, classes, prototypes, and more. The examples demonstrate how to use different syntax and features of JavaScript to solve problems or achieve specific results.

EU opens child safety probes of Facebook and Instagram, citing addictive design

https://techcrunch.com/wp-content/uploads/2017/09/facebook-instagram-apps.jpg?w=1024
The European Union has launched a formal investigation into Meta's child protection measures on Facebook and Instagram, citing concerns over addictive design and age assurance methods. The EU suspects Meta of infringing DSA Articles 28, 34, and 35 and will conduct an in-depth investigation into the platforms' approach to child protection.

Smart Pointers in (GNU) C

The user created a smart pointer library in C, inspired by C++'s smart pointers, to manage memory allocation and deallocation with automatic cleanup. The library includes unique_ptr and shared_ptr implementations using metadata and variadic macros for easy usage.

Port 666 is officially registered to Doom

Using Llamafiles for embeddings in local RAG applications

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The authors recommend three embedding models for scaleable retrieval-augmented generation (RAG) on local hardware, considering factors such as model size, memory constraints, and document length. They also explain why they chose these models and provide a brief overview of their performance on RAG-relevant tasks, highlighting the importance of considering multiple metrics when evaluating model quality.

The spy who flunked it: Kurt Gödel's forgotten part in the atom-bomb story

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Kurt Gödel, a mathematician and philosopher, was recruited by Hans Thirring to act as a secret messenger to warn Albert Einstein about Hitler's plans for an atomic bomb. Despite numerous obstacles and bureaucratic hurdles, Gödel finally reached Einstein's doorstep after traveling around the world, but ultimately failed to deliver the warning due to his own hesitation.

Kernel.org servers infected with backdoors for two years from 2009

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Sophisticated malware infected kernel.org servers from 2009 to 2011, compromising over 550 user accounts and stealing encrypted password data. The attackers used the compromised servers to send spam and carry out other malicious activities, with some users' plaintext passwords being obtained through password-cracking techniques.

Exit Strategy: The Case for Single-Stair Egress

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American land-use reformers aim to address housing shortages by amending zoning codes and building codes, specifically allowing single-stair apartment buildings, which were once common in the US but are now banned due to fire safety regulations. By re-legalizing these designs, multifamily housing can be built cost-effectively on urban sites that would otherwise be developed as single-family homes.

Online censorship's institutional power

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Liz Fong-Jones, a transgender millionaire and former Google employee, has been trying to take down the online forum Kiwi Farms for over 7 years, using his wealth and influence to silence critics and manipulate companies into deplatforming the site. The author of this article argues that Fong-Jones' efforts are part of a larger trend towards censorship and control on the internet, and calls ...

History of the Italian electrical system

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Italy's electrical system has undergone significant changes over the past century, including multiple voltage and frequency standards, with 120V and 220V being used simultaneously in different regions. The country's dual-supply system, which included separate meters and plugs for lighting and appliances, was eventually phased out in favor of a single standard voltage supply.

Third Time: a better way to work (2022)

https://res.cloudinary.com/lesswrong-2-0/image/upload/f_auto,q_auto/v1/mirroredImages/RWu8eZqbwgB9zaerh/ieuugj7jtbgia6ydgwdv
The "Third Time" technique is a flexible time management method that involves working for as long or short as you like, then taking breaks based on a ratio (e.g. 1/3) to earn more break time. This approach allows for adaptability and freedom in dividing your day, while still providing structure and motivation to stay focused and productive.

NetBSD bans all commits of AI-generated code

NetBSD has implemented a policy that code generated by large language models (LLMs) is presumed to be tainted and cannot be committed, aiming to ensure clear copyright ownership and licensing goals. While it may be difficult to identify LLM-generated code, having a policy provides a framework for addressing potential issues and ensures that contributors adhere to NetBSD's standards.

Pacific squid flashes its attack 'headlights'

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Scientists have filmed a rare Dana squid in full attack mode, showcasing its bioluminescent "headlights" used to dazzle prey. The footage was captured on a research cruise in the central Pacific using free-fall cameras attached to a baited frame, providing insight into the daily life of this deep-sea predator.

Tesla's self-driving tech ditched by 98 percent of customers that tried it

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Tesla's self-driving technology has a low adoption rate, with only 2% of new owners continuing to use it after the trial period. Nio, an electric car company, unveiled a new model called Onvo, aiming to set a "new standard" for family cars and challenging Tesla's dominance in the market.

Why Bad CEOs Fear Remote Work (2021)

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Fearful CEOs resist remote work due to their insecurities and fear of change, rather than examining its benefits. They often blame technology for management failures, ignoring alternatives and infantilizing employees, while smart CEOs invest in their work culture and grow it for the future.

Ask HN: SaaS Subscription or Usage-Based Pricing?

The user has experience with both subscription and usage-based pricing models, finding that subscription models filter out occasional users and provide recurring revenue, while usage-based models can be more profitable but require measuring real usage. The choice between the two ultimately depends on the specifics of the product, target audience, and sales strategy.

Crypto brothers front-ran the front-runners

Bloomberg delivers business and financial information, news, and insight worldwide. In trading, whoever submits orders first gets to make profitable trades between two exchanges with different prices.

Elicit – AI Research Assistant

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Elicit is a research tool that extracts details from academic papers at 50% of manual time and cost, ideal for empirical domains like biomedicine and machine learning. It searches across 125 million papers, providing accurate information with language models, but requires credits for usage and has limitations on identifying facts or theoretical domains.

You thought OpenStreetMap uses WGS84? No it doesn't (2019)

http://geek86.free.fr/osm/campus_saint_martin_dheres.jpg
OSM data may not use WGS84 coordinates, with offsets up to 1.8 meters due to local datums like GDA94 and RGF93. To resolve this, OSM could convert data to ITRF datum or inform users about epoch-dependent coordinates for accurate mapping.

State of the Terminal

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Terminal emulators have evolved to support various features and capabilities, including 24-bit color, rich text markup, and image display, while also addressing issues such as modifier key encoding and clipboard management. Despite their age-old technology, terminal emulators continue to innovate and improve user experience through creative problem-solving and community-driven development.

Students invent quieter leaf blower

https://api.hub.jhu.edu/factory/sites/default/files/styles/landscape/public/2024-05/leaf-blower051324_JHU2340.jpg
Johns Hopkins University engineering students have developed a patent-pending quiet leaf blower that reduces overall noise levels by nearly 40% and eliminates obnoxious frequencies. The design, which uses an attachment to separate and redirect air flow, has been praised by Stanley Black & Decker officials who plan to mass manufacture and sell the new tool within two years.

MKUltra

https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/DeclassifiedMKULTRA.jpg/220px-DeclassifiedMKULTRA.jpg
Project MKUltra was a secret CIA program that ran from 1953 to 1973, using various methods to manipulate and control human behavior, including drug testing, electroshock therapy, and hypnosis. The program involved thousands of unwitting subjects, including civilians and military personnel, and its true extent was only revealed after many records were destroyed by the CIA director in 1973.

Deactivating Facebook for just a few weeks reduces belief in fake news

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A study found that deactivating Facebook accounts for six weeks during the 2020 US presidential election had little effect on political opinions, but those who did so were less likely to believe misinformation. The study also found that Instagram deactivation had no significant impact on political outcomes, and users who deactivated their Facebook account for six weeks were more wary of ...

Taboos and Self-Censorship Among U.S. Psychology Professors

A study surveyed US psychology professors about their beliefs on controversial research conclusions and found that they strongly disagreed on the accuracy of these conclusions, with some professors reporting certainty in both truth and falsehood. The study also found that professors who believed certain conclusions were true were more likely to self-censor and desire to discourage research ...

Photobox – Free Open Source Google Photos Clone

https://res.cloudinary.com/photoboxdev/image/upload/c_limit,w_3840/f_auto/q_auto/v1/assets/photobox-media-library_qsqtf0?_a=BAVAEyAO0
Use Photobox Creations to create Collages, Animations, and more built on top of Cloudinary transformations to give a new experience to your images. Gain control over how your images are stored using Cloudinary's as the host for all of your images.

Show HN: Drivr – VR with real vehicles [video]

Forgotten APL Influences (2016) [pdf]

The speaker, Jon McGrew, discusses how APL has made significant influences on various technologies and applications, including instant messaging, word processors, spreadsheets, email systems, DNA analysis, and more. He highlights how APL was early to the game with email and its unique features such as security and internationalization make it a truly international programming language.

JEP Draft: Support HTTP/3 in the HttpClient

The Java Platform will add support for HTTP/3, an evolution of HTTP/2 based on QUIC, with opt-in functionality to enable clients to use the new protocol. The effort involves implementing the QUIC protocol itself and adding minor enhancements to the HttpClient API, without changing its protocol-agnostic design.

Scholars discover rare 16th-century tome with handwritten notes by John Milton

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Scholars have discovered a rare copy of Holinshed's Chronicles of England, Scotland, and Ireland in the Phoenix Public Library with handwritten notes in John Milton's distinctive hand. The discovery adds to the small list of books known to have been part of Milton's personal library, providing valuable insights into his reading habits and literary influences.

America's dramatic shift from gas power plants to batteries

Big batteries are increasingly replacing gas-fired power plants in the US, with battery storage capacity expected to surge from 1% to 23% of new additions this year. The shift is driven by declining demand for gas and increasing investment in solar, wind, and battery production, which will help accelerate the transition to a fully clean power grid.

My Sony HB-F1XV

https://thefoggiest.dev/content/img/sonyhbf1xv.jpg
You own a 1989 Sony HB-F1XV MSX2+ retro computer, which you upgraded with additional RAM and components, and use it for gaming with various expansions and cartridges. Despite its age, the machine remains lively and fun to play classic games like Road Fighter from Konami, thanks to its backward compatibility and ability to run original cartridges.

OpenAI and Reddit Partnership

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Reddit and OpenAI partnered to enhance user experience, bringing Reddit content to ChatGPT and new products. The partnership will also enable AI-powered features on Reddit, leveraging OpenAI's platform to bring unique content and improve discovery.

On hoot, on boot

Hoot Scheme-to-WebAssembly compiler has reached a milestone, allowing for whole-program compilation and direct loading of Guile modules. The author reflects on the journey, highlighting improvements and considering future directions, including merging Hoot with Guile.

Intel's Thunderbolt Share lets two PCs control each other over a USB cable

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Intel's Thunderbolt Share app allows users to share files, peripherals, and screens between two Thunderbolt 4 or 5 computers connected via a Thunderbolt cable. The app will be licensed to manufacturers for use with new hardware, but it requires Windows and does not support Macs or older USB connections.

You probably don't need to validate UTF-8 strings

The design of strings in Rust and Julia differs in several ways, including the enforcement of valid UTF8 encoding in Rust, immutability of strings in Julia, and different approaches to string manipulation. While both languages have their own strengths and weaknesses, Julia's approach allows for more flexibility and composable code, while Rust's strict validation can provide additional safety ...

How to recover lost Python source code if it's still resident in a running inter (2017)

NetBSD bans use of Copilot-generated code

NetBSD project bans code generated by AI tools like Copilot unless explicitly permitted by core team. The project considers such code tainted and potentially violating open source licenses, citing Microsoft's lack of training on its own closed-source code as evidence.

The “3.5% rule”: How a small minority can change the world

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Nonviolent protests are twice as likely to succeed as armed conflicts, and research by Erica Chenoweth has shown that once 3.5% of the population actively participates in nonviolent campaigns, success is almost guaranteed. Chenoweth's findings have been influential in shaping our understanding of civil resistance, and she argues that nonviolent protests are not only morally superior but also ...

Nevada parents wrongfully accused of child abuse file lawsuit against hospital

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The Nevada family, featured in Netflix documentary "Take Care of Maya", filed a civil lawsuit against Dell Children's Medical Center after being awarded $261 million in damages from Johns Hopkins All Children's Hospital. The family claims medical negligence and false imprisonment led to their children being taken away, and they are seeking justice for similar cases across the state.

An Animated QR Code of Bad Apple

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Kevin and Anthony, on an airplane with no Wi-Fi, used a novel method to transfer data by displaying colorful grids on a screen and decoding them with phone cameras. The project, dubbed "SWANTV" (originally "Epilepsend"), achieved speeds of up to 2 mbps and can be useful in situations where traditional data transfer methods fail.

MIT students stole $25M in seconds by exploiting ETH blockchain bug, DOJ says

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Two brothers, aged 24 and 28, were arrested for allegedly stealing $25 million by tampering with the Ethereum blockchain in a sophisticated scheme that took only 12 seconds to complete. The brothers, who studied at MIT, used their specialized skills to manipulate pending transactions on the blockchain and alter certain transactions to obtain victims' cryptocurrency.

Justice Department formally moves to reclassify marijuana

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The US Justice Department has proposed reclassifying marijuana as a less dangerous drug, moving it from Schedule I to Schedule III, acknowledging its medical uses and lower potential for abuse. The move comes after a recommendation from the Health and Human Services Department and could help President Joe Biden boost support among younger voters ahead of the election.

Microsoft stoops to new low with ads in Windows 11

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Microsoft is testing an ad in its PC Manager app, suggesting users "repair" their system by switching to Bing search engine from Google. The move has been criticized for implying that using another search engine is a fault with the PC, and may be seen as pushing Bing rather than letting it speak for itself.

Enhancing R: The Vision and Impact of Jan Vitek's MaintainR Initiative

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Jan Vitek, a professor at Northeastern University, has been working on R for a decade and is currently leading the MaintainR project to modernize and maintain key components of the R ecosystem. The project aims to address technical and social challenges in maintaining R's complex language, including issues with Fortran code and package maintenance, by providing funding for dedicated ...

A proposal to switch Fedora Workstation's desktop from GNOME to KDE

The Fedora project has proposed switching the default desktop environment from GNOME to KDE Plasma, citing that Plasma is more technically advanced and deserves more visibility on the website. However, some users are opposed to the change, arguing that it would be confusing for new users and that GNOME is still a popular choice among Linux users.

Hertz sold a bunch of Teslas and it turns out they're all kinds of trouble

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Hertz purchased 30,000 Teslas to shake up the rental car industry but sold them off due to high maintenance costs and depreciation. However, buyers who purchased these used Teslas from Hertz are now experiencing issues with battery damage and expensive repairs, leading many to advise against buying used Teslas from Hertz.

Who Wants 30k Used Teslas?

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Hertz sold off its fleet of Teslas, including 30,000 vehicles, due to high maintenance costs and low resale value. The company's decision has led to issues with used Tesla sales, with many buyers experiencing problems and Hertz struggling to sell off its remaining fleet.

Show HN: Chessdream – Generate realistic chess positions with AI

A neural network generates realistic chess positions, optionally constrained by preset pieces, with adjustable temperature and piece count. The tool can be used to practice specific pawn structures in various game scenarios against humanlike AI at chosen skill levels.

Cardiovascular health and cancer risk associated with plant based diets

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A plant-based diet has been shown to have numerous health benefits, including lower risk of cardiovascular disease, type 2 diabetes, and certain types of cancer. The evidence suggests that vegetarian and vegan diets are associated with better lipid profiles, glycemic control, body weight/BMI, inflammation, and lower risk of ischemic heart disease and cancer.

Companies need AI services revenues, not cost savings

Then $75 per month.Complete digital access to quality FT journalism on any device. Cancel anytime during your trial. Complete digital access to quality FT journalism with expert analysis from industry leaders. Pay a year upfront and save 20%.

Army soldiers not impressed with Strykers outfitted with 50-kilowatt lasers

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The US Army's 50-kilowatt laser prototype, DE M-SHORAD, has received mixed feedback from soldiers testing it in the Middle East due to challenges with heat dissipation and wear and tear. The Army is planning cuts to its directed energy programs, including DE M-SHORAD, citing budget constraints and program transitions out of development.

Mummy Brown

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Mummy brown, a rich brown pigment, was popular from the mid-18th to the 19th centuries but declined due to diminishing mummy supplies and poor permanence. The pigment was made from mummies mixed with white pitch and myrrh, and its use led to occasional substitution of contemporary corpses or criminals when true Egyptian mummies were scarce.

If you wanna know why I am resigned from OpenAI

If you wanna know why I am resigned from it's because for the last few weeks no one can talk to . Lately, every day he's on another podcast, conference stream, or flight to some conference, or meeting w/ some gov't somewhere to get them to restrict linear algebra.

Beyond Public Key Encryption

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Cryptography researcher Matt Green discusses how little cryptography is actually used in industry, despite many useful technologies being developed. He highlights identity-based encryption (IBE) and attribute-based encryption (ABE) as examples of advanced cryptography that can be used to encrypt data using identities or attributes, rather than traditional public keys.

Cicada 3301 – solution (2022)

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Julian Assange, founder of WikiLeaks, was a member of Melbourne University's Mathematics and Statistics Society (MUMS) from 2003 to 2005 and organized an annual puzzle hunt game that attracted over 600 participants. The puzzle hunt games were similar to those conducted by the mysterious online community that appeared on the dark web around the same time, leading some to speculate that Assange ...

LearnLM models tuned for human learning

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Google introduces LearnLM, a new family of models fine-tuned for learning, to enhance educational experiences and support educators. The technology will be integrated into various Google products, including Search, YouTube, and Gemini, to provide personalized learning experiences and help users deepen their understanding of complex topics.

The most confusing emojis in every US state in 2024

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Emojis can be confusing, with 81% of respondents saying they've been confused by someone else's use of an emoji, and the most confusing emojis varying by state. The top three most confusing emojis are painting a finger with nail polish, dashing away, and upside-down face, with different interpretations depending on cultural backgrounds and personal experiences.

Proxmox VE Helper-Scripts

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Scripts for Streamlining Your Homelab with Proxmox VE

Ask HN: What is the most productive stack or lang for single devs ?

The best language/framework/stack for a single developer depends on their familiarity with programming languages and frameworks, but popular choices include Python with Django or Flask, Ruby on Rails, Node.js with React or Express, and PHP with Laravel. The key to productivity is often choosing a mature framework that provides many built-in features and tools, such as Rails or Django, which ...

How Safe Is SF?

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San Francisco's neighborhoods have varying crime rates, with Mission and Tenderloin being the most dangerous, while Fridays and January see the highest number of incidents. The data shows that some intersections are much more dangerous than others, with Market/Powell being 45 times more dangerous than average.

I'm Bearish OpenAI

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OpenAI's latest model, GPT-4o, and its potential deal with Apple to integrate ChatGPT technology into iPhones are not enough to alleviate concerns about the company's long-term viability due to competition from Big Tech companies like Google, Apple, and Meta. OpenAI's focus on consumer-facing products and lack of confidence in building AGI may be a sign of weakness, as it will ultimately lose ...

Weekly 1:1s are a staple of management. I hated it and found it useless

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Show HN: I've built a macOS app for developers to clean their dev machines

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Cleano optimizes Mac performance by clearing Xcode clutter, freeing up disk space, and enhancing system performance. It offers features like Derived Data Cleanup, Package Managers Cache Management, and Xcode Simulator Management with simctl subscription required for full access.

(OpenBSD) Add sysctl to disable Nagle's algorithm

Job Snijders proposes adding a sysctl to disable Nagle's algorithm, which can cause latency issues with small packets, and suggests setting it to 1 by default. The change introduces a new sysctl net.inet.tcp.nodelay that sets TCP_NODELAY on all TCP sockets if set to 1.

Pmarca Guide to Personal Productivity (2007)

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The author shares their personal productivity techniques, including not keeping a schedule, using three lists (Todo, Watch, and Later), writing down daily tasks on index cards, and avoiding distractions like email and phone calls. By implementing these strategies, the author has increased their productivity and ability to focus on important tasks while also enjoying more free time to pursue ...

Show HN: We built the fastest Android dev ecosystem

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Dashwave provides pre-cached cloud build environments for rapid Android development, with state-of-the-art caching and best-in-class security. Enterprise users can also self-host Dashwave in their own cloud or on-premises for added security.

A novel flame-retardant, smoke-suppressing superhydrophobic transparent bamboo

Researchers have developed a novel flame-retardant, smoke-suppressing, and superhydrophobic transparent bamboo material with improved optical properties, which can be used as a substrate for perovskite solar cells and offers potential applications in sustainable construction. The material exhibits remarkable superiority over traditional silica glass and other congeneric transparent products, ...

Visual design rules you can safely follow every time

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Design principles include using close-to-black and white colors, deliberate design elements, alignment, and spacing to create a coherent visual hierarchy. Additionally, guidelines cover typography, color contrast, shadows, and background transitions to ensure effective communication and user experience.

I can see AI genuinely amending or even curing the male loneliness epidemic soon

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Many Searchers Want to Turn Off Google AI Overviews

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Google searchers are complaining about the new AI Overviews feature, which they cannot opt out of in the US and will be rolled out globally later this year. Users are unhappy with inaccurate results, intrusive design, and concerns over plagiarism and job threats to media professionals, seeking ways to permanently disable the feature.

Piracy Block Reversed for Tech Site That Reported Site-Blocking Workarounds

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Italian telecoms regulator AGCOM nullified a site-blocking order against tech information site Giardiniblog.it, which was blocked for allegedly linking to unauthorized streaming sites and providing circumvention advice. The blocking application was filed by an anti-piracy group on behalf of Vision Distribution S.p.A, but records reveal that Giardiniblog did not host infringing content and ...

The Art of Debugging

https://opengraph.githubassets.com/0c29b8b577b127cbf024d24307ffc6b556ec44430dccd37a8648dc7cbc2f7aa6/stas00/the-art-of-debugging
The author, a software developer since 1995, shares their debugging methodologies and recipes to help others solve simple and complicated software problems. The collection is a work-in-progress, with some sections complete and others still being developed or started.

U.S. Inflation Data Was Accidentally Released 30 Minutes Early

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We've All Felt It

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Raycast is a new way to interact with your Mac, allowing you to get things done without distractions by checking notifications, updating statuses, and more without opening apps. It's inspired by early command line interfaces and offers a timeless computing vision reimagined for the modern age.

C.S. Lewis and the Pain Scale

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Archie, the Internet's first search engine, is rescued and running

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The Serial Port team on YouTube found and preserved the last existing copy of Archie, a groundbreaking search engine from 1989 that indexed FTP servers, after nearly vanishing from the internet. The team's efforts to rescue and run an actual Archie server have made its code and documentation available again, allowing users to search for files like they did in the early days of the internet.

'Anti-sex' beds have arrived at Paris Olympics

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Paris has introduced "anti-sex" beds for the 2024 Olympic Games, designed to deter athletes from getting intimate during competition. The beds are small and twin-sized, with sustainability cited as the primary reason for their use, despite concerns they may not stop athletes from engaging in extracurricular activities.

Analyzing Prolific HN Commenters in Real Time

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The author created a customizable dashboard to serve Hacker News stories in a personalized way using Bytewax, Proton, and Grafana. The pipeline streams HN stories and comments into Proton, where they are analyzed in real-time, and the results are visualized on a Grafana dashboard.
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.aq

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The.aq domain is reserved for organizations working in Antarctica or promoting the region, and registration is free with a 24-month term. Registration is only possible by contacting Antarctica Network Information Centre Limited, which does not have a website.

Bend: A Parallel Language

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Bend allows writing parallel code for multi-core CPUs/GPUs without expertise, feeling like Python. HVM is a compiler and evaluator that achieves near-ideal speedup with up to 1000+ threads based on Interaction Combinators model.

Internet use associated with higher wellbeing, finds new global Oxford study

https://www.ox.ac.uk/sites/files/oxford/styles/ow_medium_feature/s3/field/field_image_main/Internet%20use%20statistically%20associated%20with%20higher%20wellbeing%2C%20finds%20new%20global%20Oxford%20study.jpeg?itok=6zfLSh0q
A global study of over two million participants found that internet use was positively associated with psychological wellbeing, with 84.9% of associations being statistically significant and positive. The researchers analyzed data from 168 countries and found consistent positive correlations between internet access and use, but noted some variation by gender and wellbeing indicators.