13ft – A site similar to 12ft.io but self-hosted

https://raw.githubusercontent.com/wasi-master/13ft/main/screenshots/step-1.png
The 13ft.io alternative is a self-hosted server that blocks ads, paywalls, and other content restrictions, allowing users to access articles from sites like Medium and New York Times. It pretends to be GoogleBot, fetching the full page content like Google's web crawler, and can be run locally using Python and DockerHub.

Roblox is the biggest game in the world, but is unprofitable

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Roblox, a social gaming platform, has grown to become one of the largest media properties globally, with 380 million monthly users and nearly 6 billion hours of monthly usage, but despite its massive scale, it remains unprofitable due to high costs and a revenue recognition policy that delays recognition of revenue. To become profitable, Roblox needs to increase its average bookings per daily ...

The gigantic and unregulated power plants in the cloud

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A Dutch hacker was able to take control of 4 million solar panel installations, highlighting the vulnerability of the European energy grid due to the lack of regulation over central administrators of solar panels. The situation is critical, as a single inverter manufacturer controls 195 GW of power, and a hack or intentional shutdown could collapse the entire European power grid.

Launch HN: Sorcerer (YC S24) – Weather balloons that collect more data

Sorcerer builds weather balloons that last over six months, collecting 1000x more data per dollar and reaching previously inaccessible regions, aiming to improve global weather forecasts. The company's innovative approach uses long-duration balloons to collect vertical data soundings, filling the coverage gap in data-sparse regions and enabling more accurate predictions.

Parsing protobuf at 2+GB/s: how I learned to love tail calls in C (2021)

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The Clang compiler has introduced a new feature, [[clang::musttail]] or __attribute__((musttail)), which allows for guaranteed tail calls in C, C++, and Objective-C, enabling performance improvements in certain algorithms. The feature has been used to optimize protobuf parsing, achieving speeds of over 2GB/s, and is expected to benefit other language interpreters written in C, such as Python, ...

Classifying all of the pdfs on the internet

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The author attempted to classify a massive dataset of 8.4 million PDFs using various machine learning models, including deep learning and XGBoost, and achieved an accuracy of 59.14% with the best model. The author also experimented with different approaches, including using embeddings, TF-IDF, and hyperparameter tuning, and released the datasets and code for others to use and improve upon.

Netboot.xyz: your favorite operating systems in one place

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Netboot.xyz is a lightweight tool for booting various operating systems, allowing sysadmins to quickly discover and rescue OSes. It uses iPXE and Preboot Execution Environment (PXE) to provision, rescue, or load into a live boot environment.

FindMy Flipper – AirTag and SmartTag Emulator

https://opengraph.githubassets.com/9d98da0fdeb40abedef077714894c148ec65d9bd47e50653cfa05385fb5ea1e3/MatthewKuKanich/FindMyFlipper
The FlipperZero app enables the device to act as an Apple AirTag, Samsung SmartTag, or Tile Tracker, allowing users to clone existing tags, generate OpenHaystack key pairs, and track their device's location. The app offers customization options, including adjusting transmission power and interval, and can run in the background to minimize battery usage while still providing tracking capabilities.

The guidance system and computer of the Minuteman III nuclear missile

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The Minuteman missile guidance system uses a combination of gyroscopes, accelerometers, and a computer to determine its position and trajectory, with the guidance computer constantly comparing the missile's position to the desired trajectory and generating steering commands to keep the missile on track. The system also includes a stable platform, which uses gyroscopes and accelerometers to ...

Show HN: Srcbook – A TypeScript notebook for rapid prototyping

https://raw.githubusercontent.com/srcbookdev/srcbook/main/assets/getting-started-srcbook.png
Srcbook is an interactive TypeScript environment with commands for starting the server, importing files, and displaying help. It collects anonymous analytics to improve the app, and users can disable tracking in the settings page.

On finishing projects

The user struggles to finish their projects, including an essay and a mobile app, due to the lack of a clear definition of "finished" and the difficulty of sharing their work publicly. They propose two strategies to help overcome this: writing a product spec upfront and timeboxing the project with a deadline, which can help clarify goals and stay focused.

Good refactoring vs. bad refactoring

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The author shares his experience with developers who refactored code, often making it harder to understand and maintain. He emphasizes the importance of understanding the code before refactoring, considering the impact of changes, and making incremental improvements to maintain a healthy codebase.

Transformers in music recommendation

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YouTube Music's recommendation system uses a Transformer architecture to incorporate user actions and listening history, adapting to the user's current context and needs. This approach improves the ranking model's performance, reducing skip rates and increasing user engagement, and has the potential to be applied to other parts of the recommendation system.

Lenticular Clock

https://content.instructables.com/F8X/Z6YH/LYU53EHN/F8XZ6YHLYU53EHN.jpg?auto=webp&frame=1&width=2100
You created a lenticular animation clock using 4 servo motors, 20 LPI lenticular sheet, and 3D printed holders, displaying time with 6 frames and 2 animations. The clock uses Arduino code, ESP8266, and NTP synchronization, with a 24h format display.

'Rare species' not seen in the area for 50 years spotted on Arizona trail camera

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A researcher with the Phoenix Zoo discovered an ocelot on a trail camera in Arizona's Atascosa Highlands area, the first sighting in at least 50 years. The camera was part of a study to better understand medium and large mammals in the area, and the discovery highlights the importance of continued research to protect the critically endangered species.

Eric Schmidt deleted Stanford interview

On the cruelty of really teaching computing science (1988)

The talk discusses the radical novelty of computers and the need to approach them with a new mindset, rather than trying to fit them into familiar analogies. The author proposes a new approach to teaching programming, focusing on formal mathematics and proof-based reasoning, rather than operational semantics and behavioral thinking.

Archiving "The Famous Computer Cafe"

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The Internet Archive now hosts 53 episodes of The Famous Computer Cafe, a 1980s radio show about home computers, featuring interviews with tech luminaries like Bill Gates and Douglas Adams. The show's creators saved every episode on reel-to-reel tapes, which were later recovered and digitized, offering a unique glimpse into 1980s technology news and culture.

Homebound: The Long-Term Rise in Time Spent at Home Among U.S. Adults

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The COVID-19 pandemic accelerated a 19-year trend of Americans spending more time at home, with average daily time spent at home increasing by 1 hour and 39 minutes. This shift is associated with lower happiness and meaning, highlighting the need for further research on the impact of this change on American life.

LLMs know more than what they say

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Log10's research on latent space techniques improves evaluation accuracy in cost-effective and sample-efficient ways, unlocking rapid generalization to new use cases and domains. The approach, called Latent Space Readout (LSR), boosts hallucination detection accuracy and supports numeric scoring, outperforming fine-tuned models and requiring only tens of examples of human feedback.

Migrating Mess with DNS to Use PowerDNS

The author of Mess With DNS refactored the website to use PowerDNS as its DNS server, fixing several issues with the previous implementation, including incorrect CNAME record handling and lack of support for certain record types. The refactoring involved rewriting the backend API, moving DNS logic out of the frontend, and adding tests, and the new version of the website has been deployed and ...

Imgpls – An extension to load Imgur images directly

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The user created an app, Imgpls, to fix their annoyance of having to navigate through Imgur's website to view images. The app is free, with no ads or tracking, and is available on the App Store, with the user open to answering questions via email or Mastodon.

Appeals court finds California’s “Age Appropriate Design Code” unconstitutional

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The 9th Circuit Court of Appeals has largely upheld a district court ruling that California's "Age Appropriate Design Code" is unconstitutional as it regulates speech. The court found that the law's requirement for online businesses to create a "Data Protection Impact Assessment" violates the First Amendment.

Client-side filtering of private data is a bad idea

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AI companies are pivoting from creating gods to building products

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AI companies have spent a trillion dollars on hardware and data centers, but have yet to deliver commercially successful products, leading to concerns about a generative AI bubble. To overcome the limitations of large language models (LLMs), companies must address five key barriers: cost, reliability, privacy, safety, and security, and adapt AI to user expectations rather than expecting users ...

Bit-banging a BASIC Birthday

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The author built a custom app, called the MTS-70, for their father's 70th birthday, which is designed for a Radio Shack TRS-80 Model 1 computer from the 1970s and includes features such as a chatbot, games, and connectivity. The project was a challenging but rewarding experience that involved learning about the TRS-80's hardware and software, as well as working with various hobbyist ...

The Dying Computer Museum

The Living Computer Museum, a collection of ancient computers and technology, was never a true museum but rather a billionaire's personal collection, and its closure and auction of its items has raised questions about the nature of museums and the impact of wealth on society. The author reflects on the experience, criticizing the billionaire's legacy and the way society views wealth and ...

HID Remapper

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The HID Remapper is a configurable USB dongle that allows users to remap inputs from mice, keyboards, and other devices, with features such as button reassignment, keyboard layout changes, and mouse sensitivity adjustments. The device can be used with various devices, including wireless receivers, and can be configured using a web-based tool or command-line interface, with options for ...

Ask HN: How do you work as a tech lead?

As a senior leader, I prioritize supporting the organization's journey, experimenting independently, and building community to ensure everyone is moving in the same direction. To manage a team of junior engineers, I focus on code review, daily standups, and one-on-one meetings to mentor and monitor progress, while also minimizing context switching and meta-work.

The Curious Case of QUEENCREEK

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The user uses Microsoft's Sysinternals Autoruns to inspect and remove suspicious automated scripts on their Windows machine, including entries that pointed to non-existent binaries and a legitimate Intel binary that was misnamed. The user notes that malware often uses techniques to hide its intent, such as using trusted applications and directories, and that Autoruns can help identify ...

What If Data Is a Bad Idea?

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The concept of data itself is problematic, as it can be objectifying and reduce complex human identities to coarse representations, leading to issues with autonomy and power dynamics. To address this, the author proposes expanding the notion of data to include concepts like ownership, error bars, sensitivity, dependency, and semantics, and explores various technologies and approaches to ...

Cardinal – Virtual modular synthesizer plugin

Created first and foremost as a way to have Rack as a conventional open-source audio plugin. Supporting real CV ports to and from the plugin, for integration with other modular systems. Development happens on GitHub and we chat on the #cardinal IRC room in irc.libera.chat server. Come join us in your favorite IRC client or through your web browser (no post history).

DRAKON

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DRAKON is a free and open-source algorithmic visual programming language developed in the Soviet Union in 1986 to increase software development productivity and provide a uniform way to represent processes in flowcharts. The language is designed to be easy to learn and use, with a graphical syntax based on flowcharts and a family of hybrid languages, including DRAKON-C, DRAKON-ASM, and DRAKON-Java.

Caltrain's new electric trains

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Optimizing global message transit latency: a journey through TCP configuration

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Ably's team investigated high latency variance in a customer's bursty traffic between Europe, South America, and South East Asia, and discovered that the default TCP setting, tcp_slow_start_after_idle, was causing significant delays. By disabling this setting within Docker containers, the team successfully reduced latency variance and improved message delivery times, highlighting the ...

Distributed Locks with Redis (2014)

The Redlock algorithm is a distributed lock manager that uses Redis to implement a safe and fault-tolerant locking mechanism, ensuring mutual exclusion and liveness properties even in the presence of network partitions and instance failures. The algorithm uses a combination of Redis's SET NX and Lua scripting features to acquire and release locks, and relies on the assumption that local ...

How I Became the EEVBlog Guy [video]

Ask HN: Tired of software career. What now?

The user is a full-stack developer feeling burnt out and unfulfilled, tired of the minutiae and lack of intellectual stimulation in their job. They consider switching companies, industries, or even careers, and suggest exploring smaller companies, firmware development, or startups for a change of pace.
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Ollama now supports tool calling with popular models like Llama 3.1, enabling complex tasks and outside interactions. Tool calling is enabled via the tools field in Ollama's API, with supported models responding with tool_calls and tool responses provided via messages with the tool role.

Migrating from DokuWiki to Obsidian

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The user migrated their personal notes from DokuWiki to Obsidian, converting plaintext files to Markdown and renaming them, and then verifying the notes in Obsidian. The migration was successful, and the user now uses Obsidian with a Git repository for backup and synchronization.

What I Learned Working for Mark Zuckerberg

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The author joined Facebook in 2005 and learned valuable lessons from Mark Zuckerberg, including the importance of focusing on growth, moving fast, and breaking things, and setting high standards of excellence. The author credits these lessons with helping him build AppSumo into a $100 million company, and notes that Mark's vision of connecting the entire world inspired and motivated him to ...

How Deep Can Humans Go?

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Physiologists believed that humans couldn't dive deeper than 30 meters due to lung compression, but Jacques Mayol and Herbert Nitsch proved them wrong, reaching 70.4 and 214 meters respectively. Freedivers use physiological adaptations like the mammalian diving reflex and thoracic blood shift to survive extreme depths and pressures.

JavaScript weakmaps should be iterable

JavaScript's WeakMap should be iterable, as it's a mistake to not be iterable. Implementing iterable WeakMap would provide a standardized and efficient solution, unlike the current non-standard and memory-intensive approach.

The Epic Games Store Launches on iOS and Android

: 8b76bcc55c6105b5 : 40.65.196.149

Late Again

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A leader's consistent 5-minute lateness to meetings is frustrating and a strategic flaw, as it shows a lack of prioritization and delegation. The leader's inability to adjust their schedule and attend meetings on time indicates a failure to grow as a leader and identify fundamental problems.

Show HN: Robata, macOS window selector: put it on the grill

Robata is a macOS app that helps you quickly find and switch between desktop windows, allowing you to manage multiple tasks seamlessly. The app aims to replicate the effortless flow of cooking, letting you jump between tasks and windows like a chef jumps between cooking stations.

The bizarre siege behind Stockholm Syndrome

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The 1973 Stockholm bank siege led to the concept of Stockholm Syndrome, where hostages develop emotional bonds with their captors, but the term has been criticized for being a simplistic explanation and a way to blame the victims. The siege also led to the development of police hostage negotiation techniques, which prioritize building rapport with captors and avoiding violent confrontations.

Ask HN: Google Ads Rejected My SaaS as Compromised Site

As a solo founder, you're struggling to run Google Ads due to your website being flagged as compromised and malicious software, despite passing multiple checks and Google's own Safe Browsing showing it as clean. You're considering changing your domain from .co.uk to .com, but find this suggestion nonsensical and are seeking alternative solutions.

The oral history of the Dinosaur Input Device

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The Dinosaur Input Device (DID) was a innovative technology developed by Tippett Studio and ILM to allow stop-motion animators to create digital dinosaur movements, which was used in the production of Jurassic Park. Despite its challenges, the DID allowed for a unique blend of traditional stop-motion animation and computer-generated imagery, resulting in a groundbreaking visual effect that ...

Ask HN: Determine sound quality of a file, objectively?

There are objective audio quality metrics like PAM and PEAQ that can analyze audio files without human listening, but they are not perfect and human evaluation remains the gold standard. Spectrograms can be misleading for lossy-encoded files, as they may appear degraded but still sound good, and re-encoding lossy files can further degrade quality.

Modern Unix Tool List

The user recommends modern CLI tools that replace traditional Debian tools, including concurrently for parallel program running, fzf for fuzzy command line history searching, and jq for JSON manipulation. They also mention broot, which they couldn't fully utilize, and express a desire for more frequent updates to the standard Unix toolset.

Wyoming mayoral candidate vows to let an AI bot run Cheyenne

Show HN: FlowVision – Waterfall-Style Image Browser for macOS (Open-Source)

https://camo.githubusercontent.com/e20afe63145cadf93cff7a5d28d52fb8a6b33a41bc8abec9b9ad2f61522e3c3b/68747470733a2f2f6e65746463792e6769746875622e696f2f466c6f77566973696f6e2f646f63732f707265766965772e6a7067
The application is not trusted due to lack of notarization, and the developer chose not to include auto-update to prioritize user data privacy. To use the app, download the pre-built binary, remove quarantine attributes, and find the app in the "Products/Release" folder.

Everyone's Life Is Weird

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The author reflects on their unconventional life path, dropping out of college and becoming an internet writer, and encourages others to pursue their passions. They emphasize that there is no one "right" path to success, and that people can thrive in various ways, as long as they pay their rent and don't harm others.

The broligarchs are trying to have their way

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Tech billionaires, including Elon Musk and Marc Andreessen, are publicly endorsing and donating to Donald Trump's campaign, revealing their priorities and desire for power without accountability. These "broligarchs" prioritize massive tax cuts, looser regulation, and world domination, and see themselves as above nationality and laws, with some even considering themselves descended from pharaohs.

The Charming, Eccentric, Blessed Life of Lee Maxwell

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Lee Maxwell, a 91-year-old retired electrical engineering professor, has spent decades collecting over 1,500 antique washing machines, which he stores in massive warehouses on his property. After the death of his wife Barbara, Lee is struggling to come to terms with his new reality, but he is determined to continue his work on his washing machine collection and to find ways to stay engaged ...

Patrick McKenzie (patio11) podcast on technology, finance, and systems thinking

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Patrick McKenzie (patio11) podcast on technology, finance, and systems thinking. We publish episodes weekly on Thursdays. Full transcripts included.

Maps Mania: How the World Powers Itself

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The Global Energy Monitor's Power Tracker map shows the locations of nearly 18,000 power stations worldwide, allowing users to explore the distribution of different power sources by country. The map reveals interesting patterns, such as western Europe's shift away from coal power, the lack of wind power in the Alps and Pyrenees, and the inland placement of nuclear power stations in France and the US.

Largest protein yet discovered builds algal toxins

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Scientists at UC San Diego's Scripps Institution of Oceanography discovered the largest protein yet identified in biology, PKZILLA-1, which is 25% larger than titin, the previous record holder. The discovery of this giant protein and another super-sized protein, PKZILLA-2, reveals new strategies for assembling chemicals and could unlock the development of new medicines and materials.

Constraining writers in distributed systems

A distributed storage system can use redundancy to tolerate node failures by writing extra data, and strategies like simple replication, copyset replication, and erasure coding can be used to reduce the failure probability and expected amount of data loss. These strategies can be used to design a system that can handle a certain number of simultaneous node failures, and can be combined with ...

Mystery Flesh Pit National Park

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A collection of artifacts & ephemera relating to the now-defunct Mystery Flesh Pit. Written & Illustrated by Trevor Roberts

Nation Wary of Suddenly Usable Website

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The US populace is wary of a newly usable website, fearing it's a trap to steal information or display annoying ads. The nation has reportedly blocked the website and returned to Forbes.com, feeling safer.

Meteorites give the Moon its thin atmosphere

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Meteorite impacts on the Moon's surface create a steady flow of atoms that maintain its thin atmosphere, with impact vaporization being the primary source of atoms over long timescales. The researchers found that atoms released by ion sputtering tend to escape into space, while those released by impact vaporization are more likely to remain in the atmosphere due to lower energy levels.

Millennials Are Becoming Boomers

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Millennials have made significant wealth gains, with their share of wealth increasing from less than 1% in 2010 to nearly 10% now, and they are expected to surpass baby boomers in wealth in the future. This is due to factors such as higher lifetime incomes, inheritance, and a larger portion of financial assets tied up in real estate.

The Origins of the Bloody Mary (2014)

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The Bloody Mary cocktail has a storied past, with its origins disputed but widely attributed to Harry's New York Bar in Paris, where bartender Ferdinand "Pete" Petiot created the drink in the 1920s. The drink's name and recipe have evolved over time, with various claims of its creation and popularization, but its enduring popularity is a testament to its unique flavor and cultural significance.

Bootstrap Your SaaS (The Fast Way)

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Bootstrapping a SaaS business by raising money from customers to fund product development is a viable alternative to VC funding, especially with the end of ZIRP making institutional funding harder to come by. This approach involves building a compelling MVP, engaging with customers, and leveraging platforms like AppSumo to generate cash flow and build a user base.

Wafris – an Open Source Web Application Firewall that lives in your stack

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Wafris secures multiple hosts by default without requiring DNS updates, making it a faster and more feasible solution than DNS-based solutions. With Wafris, you can monitor requests in real-time and detect bad behavior without needing to grep through logs or write custom queries.

Tom Wolfe's Irresistible Snap, Crackle and Pop

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Tom Wolfe's writing style and worldview, shaped by his reading of Max Weber, focused on the relentless scramble for status and the social rules that govern human behavior. His essays, such as "Radical Chic", captured the shifting status dynamics of the 1970s, where a new elite of media and cultural figures was rising to displace the old aristocracy.

Humble Tech Book Bundle: Head First 2024 by O'Reilly

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Tech pros, this bundle of books in the Head First series from O’Reilly will get you up to speed on some of the most in-demand topics in the space!

Schedule Email API

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The new Resend API allows scheduling emails for a specific time, eliminating the need for external services. Scheduled emails can be viewed in the Resend dashboard and cancelled using a specific code.

Demand for seed-oil-free foods is growing

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A growing number of campaigners claim that consuming seed oils is linked to serious health concerns, prompting the launch of a certification program for seed oil-free products. Despite some experts disputing the evidence, consumer interest in seed oil-free products is rising, with some brands already opting to self-label as "seed oil free" and a certification scheme aiming to formalize such claims.

The creatives pushing nail art to sculptural new lengths

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Celebrity nail artist Juan Alvear's unique and surreal designs have gained him a cult following and acclaim, with his work featured in luxury runway shows and on the hands of A-listers. The rise of sculptural nail art has been attributed to Alvear's influence, with the trend going viral during the COVID-19 pandemic and interest in the art form skyrocketing.

Blaming Agile for software stagnation puts the wrong villain in the wrong play

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Moxie Marlinspike, a security expert, claims that Agile has stifled innovation in software development, but others argue that Agile is compatible with innovation and that innovation has actually increased over the past 20 years. The real issue is that many tech companies prioritize evolutionary changes over revolutionary ones, and that true innovation requires a fresh perspective and a ...

The CEO Who Made a Fortune While His Hospital Chain Collapsed

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Scenes from San Francisco's Unhoused Encampment Sweeps

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San Francisco's Department of Public Works has been conducting encampment sweeps, clearing out homeless people's belongings and relocating them to other areas. The sweeps have been met with resistance from some homeless individuals, who feel that the city is not providing adequate support or alternatives to living on the streets.

When Serial Isn't RS-232, Geocaching with the Garmin GPS 95

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The user restored an old Garmin GPS 95 receiver and corrected its date issue by using the GPS EOW tool, allowing it to function in the 21st century. They also had to convert the receiver's serial signal from RS-232 to TTL serial to use it with modern devices, such as the Flipper Zero, and successfully used it to find a geocache in the Netherlands.

What comes after the AI crash?

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The AI bubble is expected to burst, but its aftermath will be crucial in addressing the potential harms of generative AI, such as job displacement and social manipulation. The focus should shift from the hype to the responsible implementation of AI, ensuring it benefits society and the environment, rather than just fueling corporate interests.

Scientist performs the first nonlinear study of black hole mimickers

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A scientist from Princeton University has conducted the first nonlinear study of black hole mimickers, which are hypothetical objects that mimic black holes but lack an event horizon, to understand their gravitational wave signals and potentially identify black holes more accurately. The study found that the merger of boson stars, a type of black hole mimicker, emits gravitational wave ...

Introduction to Information Theory – Edward Witten [video]

How to Make Wealth as a Startup Founder

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Serial entrepreneurs may find it more reliable to achieve moderate wealth by joining early-stage companies or startups acquired by FAANG, rather than starting their own companies. Founders should adopt a scrappy lifestyle, assume a payday will come only once a decade, and consider taking partial exits or negotiating higher salaries to ensure financial stability.

Co-defendants in HP fraud trial pass away just days apart

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Stephen Chamberlain, a former Autonomy executive, died in a car crash while running, just days before his co-defendant Mike Lynch went missing after his yacht sank off Sicily. Chamberlain was acquitted of fraud charges alongside Lynch in June, but his death has sparked an investigation into the circumstances surrounding his fatal accident.

Phrack Issue #71

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Phrack is a hacker magazine that has been around for 40 years, and it is planning to release its next issue, Phrack 72, which will feature a print edition. The magazine is calling for submissions and encourages hackers to contribute their work, with a focus on creating a collection of papers that showcase the best of the hacking community.

The complete DDoS guide for founders

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DDoS attacks can cause significant financial and reputational damage to businesses, and it's essential to understand how they work and how to protect against them. To mitigate risks, a multi-layered approach is necessary, including using a Web Application Firewall, caching, content delivery networks, load balancing, rate limiting, and authentication, as well as implementing robust secret ...

The dark secret of Swift optionals

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The article discusses the Swift Standard Library's Optional type and its relationship to the ? syntax, comparing it to the effects of fentanyl on heroin. The author also mentions their tech blog, Jacob's Tech Tavern, and invites readers to subscribe for more content.

North Norwegian port welcomes controversial Chinese shipping giant to the Arctic

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Norway's Kirkenes Port is in talks with China's state-owned shipping company Cosco, despite warnings from security services that cooperation could pose a threat to national security. The port director and mayor of Kirkenes believe the deal could bring economic benefits, but critics argue it could give China a foothold in the Arctic and compromise Norway's security.