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Improving the APT Solver: Elegantly Handling the Removal of Manually Installed Packages

2025-05-27

This post details improvements to an APT package manager solver. Initially, manually installed packages were treated as fixed facts, while automatically installed packages were optional unit clauses. However, allowing the removal of manually installed packages broke the solver; it could unnecessarily remove them. The author solves this by initially assuming all optional clauses, then iteratively unwinding these assumptions during the solving process. This approach, while not globally optimal, proves effective in practice for dependency resolution, avoiding the exponential complexity of a global search.

(blog.jak-linux.org)

Development

Beating the Odds: A 20-Year Cancer Battle and the Medical Advancements That Made It Possible

2025-06-09

Beating the Odds: A 20-Year Cancer Battle and the Medical Advancements That Made It Possible

In 2003, Jon Gluck, 38, was diagnosed with multiple myeloma and given 18 months to live. Over two decades later, he's still here, chronicling his experience in a new book. His survival, coupled with a one-third decrease in the US age-adjusted cancer death rate since 1991, showcases a turning tide in the war on cancer. This progress is attributed to breakthroughs like autologous stem-cell harvesting and CAR-T therapy, alongside anti-smoking policies, vaccinations, and improved early screening. While challenges remain, the future of cancer treatment is brighter, offering renewed hope for patients.

(www.vox.com)

Tech cancer treatment medical advancements CAR-T therapy

ESP32 Bluetooth Controller 'Backdoor': A False Alarm?

2025-03-11

Recent concerns have emerged regarding a potential "backdoor" or "undocumented features" in the ESP32 Bluetooth controller. Espressif has responded, stating that the so-called "undocumented HCI commands" are solely for debugging purposes and do not pose a security threat. These commands assist in debugging (e.g., read/write RAM, memory-mapped flash read, send/receive packets), and don't play an active role in standard Bluetooth host stack (like NimBLE or Bluedroid) HCI communication. In ESP32, the controller and host run on the same MCU, communicating via a virtual HCI layer. Any code accessing this layer must execute on the ESP32 with full privileges. Therefore, unless the application itself has vulnerabilities, these undocumented commands cannot be exploited. Espressif will provide a software patch to remove access to these debug commands and will document all vendor-specific HCI commands for greater transparency.

(developer.espressif.com)

Hardware Bluetooth Security

arXivLabs: Community Collaboration on Experimental Projects

2025-09-23

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners who share them. Got an idea for a project that benefits the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Wikipedia Searches Reveal Three Distinct Styles of Curiosity

2025-01-11

Wikipedia Searches Reveal Three Distinct Styles of Curiosity

A new study analyzing Wikipedia search data reveals three distinct styles of human curiosity: the busybody, the hunter, and the dancer. Busybodies zigzag through numerous, often unrelated topics; hunters focus on a smaller set of closely related articles; and dancers connect disparate topics to synthesize new ideas. The research also found that people in countries with higher education levels and greater gender equality tend to browse like busybodies, while those in other countries lean towards a hunter approach. This interdisciplinary study, integrating topology, psychology, and cognitive science, offers novel insights into human behavior.

(www.scientificamerican.com)

Tech curiosity network science

The Genesis of Linux: From As and Bs to Mars

2025-03-02

This article is a fascinating firsthand account of Linux's creation by early contributor Lars Wirzenius. It begins in 1991 with Linus Torvalds, using a 386 PC with a meager 4MB of RAM, writing a simple multitasking program that displayed alternating streams of 'A's and 'B's on the screen – the genesis of the Linux kernel. With the help of Wirzenius, Linus refined the kernel and released it online. Through key events like the famous debate with Andrew Tanenbaum, the adoption of the GPL license, and the porting of the X11 system, Linux evolved from a hobby project into a global operating system powering billions of devices from Earth to Mars.

(lwn.net)

Tech

Container Tools: Automating Minimal Debian Container Image Builds

2025-04-11

Container Tools: Automating Minimal Debian Container Image Builds

Container Tools is a project automating the creation of minimal Debian-based root filesystems using debootstrap. It supports customization with specific packages and configurations, and integrates security scanning for containerized environments. Easily extensible to other distros and projects, it addresses the bloat, network inefficiency, and slow iteration times of traditional Dockerfile builds. It creates lightweight, efficient container images by streamlining the build process, including only necessary components. Pre-built images with Java, Kafka, and more are available. The final output is a .tar file importable and runnable via `docker import`.

(github.com)

Development container images automated build

Pickaxe: A TypeScript Library for Building Scalable AI Agents

2025-06-23

Pickaxe: A TypeScript Library for Building Scalable AI Agents

Pickaxe is a lightweight TypeScript library for building fault-tolerant and scalable AI agents. It handles the complexities of durable execution, queueing, and scheduling, letting you focus on core business logic. It's not a framework; everything is a function, making integration with existing codebases easy. Agents can call tools, other agents, or any functions you define. Built on Hatchet's durable task queue, Pickaxe ensures fault tolerance and recoverability, automatically resuming execution even after machine failures. It supports distributed deployment across various container platforms and offers configuration options for retries, rate limiting, concurrency control, and more.

(github.com)

Development

Android's Ethernet Adapter Mystery: A Stupid Regex

2025-06-08

Android's Ethernet Adapter Mystery: A Stupid Regex

This post details the author's frustrating attempt to use a USB Ethernet adapter on their Android phone. The investigation revealed the problem wasn't driver support, but rather Android's `EthernetTracker` service using a regex `eth\d` to match Ethernet interface names. CDC Ethernet adapters create interfaces named `usbX`, resulting in non-recognition. The author meticulously documents the debugging process, including obtaining kernel configuration and analyzing Android source code. The root cause? A simple, restrictive regex. The post showcases impressive problem-solving skills but also highlights a potential flaw in Android's design.

(jordemort.dev)

Development USB Ethernet Kernel Debugging

20-Year-Old Botnet Taking Down Thousands of Routers Crushed

2025-05-10

20-Year-Old Botnet Taking Down Thousands of Routers Crushed

Law enforcement agencies have dismantled a massive botnet that operated for two decades, infecting thousands of routers worldwide and creating two residential proxy networks: Anyproxy and 5socks. Four individuals from Russia and Kazakhstan were indicted for their roles in operating and profiting from these illegal services, raking in over $46 million. The botnet exploited vulnerabilities in outdated routers, providing anonymity for various cybercrimes including ad fraud and DDoS attacks. The takedown, a joint operation involving the US, Netherlands, Thailand and others, highlights the growing global cooperation in combating cybercrime.

(www.bleepingcomputer.com)

Tech

Writing an ASUS ACPI WMI Driver for OpenBSD Fan Control

2025-05-11

The author details their journey of writing an ASUS ACPI WMI driver for OpenBSD to control their laptop's fan speed. The process involved overcoming challenges with ACPI and WMI byte order, utilizing acpidump and iasl to analyze system ACPI code, and finally achieving fan speed control. The author compares the driver development approaches in Linux and FreeBSD, highlighting OpenBSD's convenient code organization.

(flak.tedunangst.com)

Development Driver Development

Crypto Billionaire Rides Blue Origin to Space

2025-08-04

Crypto Billionaire Rides Blue Origin to Space

On August 3rd, Jeff Bezos' Blue Origin launched its New Shepard vehicle on mission NS-34, carrying crypto billionaire Justin Sun and five others to space. Sun, who anonymously won a $28 million auction for a seat in 2021, donated the proceeds to space-focused charities. The diverse crew included a real estate investor, a businessman, a journalist, and entrepreneurs from various countries. The 10-12 minute flight took them above the Kármán line, offering a brief experience of weightlessness.

(www.space.com)

Tech

DeepSeek's Exposed Database Leaks Sensitive Chat Logs and API Keys

2025-01-29

DeepSeek's Exposed Database Leaks Sensitive Chat Logs and API Keys

Wiz Research discovered a publicly accessible ClickHouse database belonging to DeepSeek, a Chinese AI startup, exposing over a million log entries containing sensitive information. The exposed database, accessible without authentication, allowed full control and contained chat history, API keys, backend details, and other critical data. Wiz responsibly disclosed the vulnerability to DeepSeek, which quickly remediated the issue. This incident highlights the critical security risks associated with the rapid adoption of AI technologies and the need for robust security practices even for burgeoning startups.

(www.wiz.io)

Tech database security

OCR for Code: Turning Screenshots into Code

2025-05-22

OCR for Code: Turning Screenshots into Code

Pieces has refined OCR technology to accurately recognize code from screenshots. Building on the Tesseract engine, they've added pre- and post-processing steps to handle various programming environments (light/dark mode), noisy backgrounds, and low-resolution images. Image preprocessing, including dark mode inversion, noise reduction, and resolution enhancement, along with post-processing to restore code indentation, significantly improves accuracy. They use Levenshtein distance to evaluate model performance and experimentally selected efficient image upsampling. This technology allows developers to easily convert code screenshots into editable code, boosting development efficiency.

(pieces.app)

Development code recognition

Mass Resignation at Journal of Human Evolution: AI, Fees, and Editorial Independence at Stake

2024-12-31

Mass Resignation at Journal of Human Evolution: AI, Fees, and Editorial Independence at Stake

The entire editorial board of Elsevier's Journal of Human Evolution (JHE) resigned en masse, sparking outrage in the academic community. Their protest centers on Elsevier's changes over the past decade, including cuts to editorial resources, the uninformed introduction of AI in the editorial process leading to numerous errors, and exorbitant author fees, all undermining the journal's editorial independence and inclusivity. This is the 20th mass resignation from a science journal since 2023, highlighting the controversies surrounding evolving business models in scientific publishing.

(arstechnica.com)

Tech scientific publishing editorial independence

Bellmac-32: The CMOS Gamble That Changed the World

2025-05-23

Bellmac-32: The CMOS Gamble That Changed the World

In the late 1970s, Bell Labs engineers took a bold gamble, using cutting-edge 3.5-micron CMOS technology and a novel 32-bit architecture to create the Bellmac-32 microprocessor, aiming to surpass competitors like IBM and Intel. While not a commercial blockbuster, the Bellmac-32's pioneering use of CMOS laid the groundwork for the chips in today's smartphones, laptops, and tablets. Despite the high risks of this technology at the time, Bell Labs' teams across Holmdel and Murray Hill overcame manufacturing and testing challenges. Though it didn't become mainstream, the Bellmac-32's innovations in CMOS and chip architecture profoundly impacted the semiconductor industry, forging a new path.

(spectrum.ieee.org)

Tech

Single-Header C++ Profiler: utl::profiler

2025-04-14

Single-Header C++ Profiler: utl::profiler

utl::profiler is a single-header C++ profiling library that uses simple macros to measure the execution time of code segments and automatically builds a call graph. The library boasts features like customizable style options, thread safety, and support for detached threads. It significantly reduces overhead by using x86 intrinsics. The library also supports custom styling and exporting results to a file.

(github.com)

Development Single-Header Library

Dive into Greek Mythology: The Theoi Project

2025-02-27

The Theoi Project is a comprehensive, free online resource dedicated to Greek mythology. It offers detailed profiles of gods, spirits, creatures, and heroes, each with encyclopedic summaries, quotes from ancient texts, and illustrations from classical art. Beyond individual entries, the site boasts a classical texts library, family trees of the gods, a bestiary, and a gallery of over 1200 images from ancient Greek and Roman art.

(www.theoi.com)

Misc Greek Mythology Online Resource Ancient Art

Defold Engine Update Spree: New Releases & Cloud Build Improvements

2025-04-18

Defold Engine Update Spree: New Releases & Cloud Build Improvements

The Defold game engine has seen a flurry of updates in late 2024 and early 2025, releasing versions 1.9.6, 1.9.7, and 1.9.8. A 2024 showreel showcasing impressive games built with Defold was also released. Beyond new versions, Defold introduced a technical preview of its editor scripting API for interactive UI creation and significantly improved its cloud build servers for easier development and maintenance. These improvements aim to enhance Defold's usability and efficiency, providing developers with more powerful game development tools.

(defold.com)

Development Updates

Cyberattack Disrupts European Airports, Causing Flight Delays

2025-09-20

Cyberattack Disrupts European Airports, Causing Flight Delays

A cyberattack targeting check-in and boarding systems at several major European airports on Saturday caused widespread disruptions and delays. While the impact on travelers seemed limited, experts warned of vulnerabilities exposed in the security systems. The attack focused on Collins Aerospace's MUSE software, affecting multiple airports and forcing manual check-in and boarding. While some flights were cancelled or delayed, many airports reported minimal operational impact. The incident highlights the aviation industry's reliance on shared digital systems and the inherent security risks.

(apnews.com)

Tech aviation security

GitHub Actions' YAML Anchors: A Step Backwards?

2025-09-22

GitHub Actions recently added support for YAML anchors, a move the author argues is a step backward. The article contends that YAML anchors are redundant with existing functionality, increase the complexity of the data model, making CI/CD harder for both humans and machines to understand. Furthermore, GitHub's lack of support for merge keys renders YAML anchors' unique use case ineffective. The author believes this makes GitHub Actions more difficult to analyze for security vulnerabilities and recommends GitHub immediately remove support for YAML anchors.

(blog.yossarian.net)

Development

ClipCapsule: A Minimalist Clipboard Manager for Linux

2025-04-14

ClipCapsule: A Minimalist Clipboard Manager for Linux

ClipCapsule is a minimalist clipboard manager for Linux built with Go and WailsJS. It boosts productivity by letting you manage and switch clipboard entries using only keyboard shortcuts – no mouse or GUI needed. Currently in development, the GUI must be open for shortcuts to function, but a background daemon is in the works for seamless operation. Key features include keyboard-first workflow, clipboard history, dynamic reordering, and local-only storage. Installation involves cloning the repo, installing Wails, and building the application, potentially requiring sudo privileges or manual keyboard input device access configuration.

(github.com)

Development Clipboard Manager

Musk's Missing $4.7 Trillion: Database Architecture to Blame?

2025-02-20

Musk's Missing $4.7 Trillion: Database Architecture to Blame?

Elon Musk questioned the whereabouts of $4.7 trillion in US government spending, citing difficulty in tracing it. A database expert clarifies that this isn't missing money, but rather standard database foreign key constraints at work. He explains that the government database uses primary and foreign key relationships, like "vendor_id" and "payment_id," to maintain data integrity—not a flaw. This highlights the crucial importance of understanding database architecture for data analysis.

(www.linkedin.com)

Tech government spending

A Legacy Project: Why Wrestling with the Past Makes You a Better Developer

2025-02-17

A Legacy Project: Why Wrestling with the Past Makes You a Better Developer

This article details the author's experience working on a legacy project built with the outdated Ant build system and lacking modern dependency injection. The challenges encountered forced a reevaluation of modern software development best practices—clean code, automated testing, CI/CD, and agile—and provided a deeper understanding of their underlying rationale. While arduous, the project's successful completion offered valuable insights into the evolution of development methodologies and the importance of team collaboration and end-to-end ownership.

(www.infobip.com)

Development legacy project software development practices Ant build system

arXivLabs: Experimenting with Community Collaboration

2025-09-22

arXivLabs is a framework for collaborators to build and share new arXiv features directly on the website. Individuals and organizations involved share arXiv's commitment to openness, community, excellence, and user data privacy. arXiv only works with partners who adhere to these values. Got an idea for a valuable community project? Learn more about arXivLabs!

(arxiv.org)

Tech

YouTube Shorts Explodes with Google Veo 3 AI Integration

2025-06-18

YouTube Shorts Explodes with Google Veo 3 AI Integration

Despite the rise of TikTok, YouTube viewership continues to climb, with YouTube Shorts leading the charge. Boasting a 186% year-over-year viewership increase and averaging 200 billion daily views, Shorts is set for even greater growth. YouTube CEO Neal Mohan announced the integration of Google's Veo 3 AI video generator with YouTube Shorts later this summer. Veo 3's eight-second video clips perfectly complement the short-form nature of Shorts, providing creators with powerful new tools and potentially fueling explosive growth.

(arstechnica.com)

Tech

Turning Quantum Noise into a Strength: Diamond Sensors Revolutionize Industries

2025-02-27

Turning Quantum Noise into a Strength: Diamond Sensors Revolutionize Industries

Quantum Catalyzer (Q-Cat) is leveraging quantum defects in diamonds to create sensors that turn the biggest hurdle for quantum computers—noise—into an advantage. These sensors utilize environmental disturbances to detect minute changes in magnetic and electric fields, finding applications in diverse sectors. Their first spin-off, EuQlid, developed a quantum diamond microscope imaging magnetic fields with micron-scale resolution, offering non-invasive high-precision analysis for semiconductor current detection, artwork preservation, and even biomedical applications like tumor detection. This technology promises to revolutionize various industries.

(spectrum.ieee.org)

Tech Quantum Sensors Diamond Defects

arXiv's Cloud Migration: Modernizing the Preprint Server

2025-04-18

arXiv, the world-renowned preprint server, is undergoing a major technological upgrade: migrating to Google Cloud Platform. This migration aims to improve scalability and modernize infrastructure, addressing issues such as legacy Perl and PHP backend code, asynchronous processing, and monitoring. Post-migration, arXiv will expand its subject areas, improve metadata collection, address ambiguous author identities, and enhance overall usability and accessibility. To support this exciting transformation, arXiv is hiring Software Engineers, a DevOps Specialist, and a Scientist/Software Developer with a strong background in both research and software development.

(info.arxiv.org)

Tech Cloud Migration

Geocoding API Showdown: A Deep Dive into Pricing, Limits, and Terms

2025-04-23

This article compares seven popular geocoding APIs (HERE, Google Maps, Azure Maps, OpenCage, TomTom Maps, LocationIQ, and Nominatim) across pricing, free tiers, rate limits, and terms of use. It finds Azure Maps and Google Maps to be pricier and more restrictive; OpenCage and LocationIQ offer flexible monthly plans, with LocationIQ boasting a more generous free tier; TomTom Maps provides a high daily free quota, ideal for inconsistent usage; HERE suits high-volume needs; and Nominatim is best for small, non-commercial projects. The best API depends on project scale, budget, and specific requirements.

(www.bitoff.org)

Development geocoding API pricing comparison API selection

Processed Meats, Sugary Drinks, and Trans Fats Linked to Increased Disease Risk

2025-07-05

Processed Meats, Sugary Drinks, and Trans Fats Linked to Increased Disease Risk

A new study reveals a significant link between the consumption of even small amounts of processed meat, sugary drinks, and trans fatty acids and an increased risk of type 2 diabetes, ischemic heart disease, and colorectal cancer. Analyzing data from over 60 previous studies, researchers found that as little as one hot dog a day increased the risk of certain diseases. Experts recommend minimizing or avoiding these foods and adopting a balanced diet rich in fruits, vegetables, and whole grains.

(edition.cnn.com)

Health chronic diseases

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