EdgeBit: One-Shot AI Agents for Efficient Dependency Autofix

2025-04-18

EdgeBit is a security platform helping application engineering teams find and fix security vulnerabilities. Its Dependency Autofix feature uses a highly accurate reachability engine to identify impactful app changes, allowing engineers to focus on meaningful upgrades and spend more time on core tasks. This post details how EdgeBit leverages focused tools, smart error handling, and the persistence of an AI agent to achieve massive efficiency gains, backed by data. EdgeBit's one-shot AI agent automates complex tasks without human intervention, achieving high confidence through static analysis, dependency update calculation and execution, and a consistent, correct agent workflow. Unlike pipeline-based approaches, this agent offers flexibility in inputs and outputs while maintaining determinism. The post explains how EdgeBit uses hard/soft failure mechanisms and persistence strategies to prevent AI agent loops, ultimately enabling efficient dependency updates and code maintenance.

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Development

PDCurses: A Cross-Platform Public Domain Curses Library

2025-04-18
PDCurses: A Cross-Platform Public Domain Curses Library

PDCurses is a public domain curses library supporting DOS, OS/2, Windows console, X11, and SDL. It implements most X/Open and System V R4 curses functions, allowing recompilation of text-mode curses programs into GUI applications via its X11 and SDL ports. Primarily distributed as source code, pre-compiled libraries may also be available. Find the latest version at https://pdcurses.org/.

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Remembering Bram Moolenaar: A History of Vi and Vim

2025-04-18
Remembering Bram Moolenaar: A History of Vi and Vim

The passing of Bram Moolenaar, creator of Vim, prompts a reflection on the rich history of UNIX text editors. This article traces the evolution from ed to Vim, recounting the stories of Ken Thompson's ed, George Coulouris' em, Bill Joy's vi, and numerous vi clones like Stevie and Elvis. Their development is intertwined with the evolution of UNIX and computing itself, showcasing the enduring spirit of open-source software. Vim, initially an Amiga port of Stevie, grew into a powerful editor still widely used today.

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Development UNIX editors

Intraterrestrials: The Deep Earth's Microscopic Guardians and Climate Change

2025-04-18
Intraterrestrials: The Deep Earth's Microscopic Guardians and Climate Change

Scientists have discovered 'intraterrestrials,' microscopic organisms thriving deep within the Earth, surviving without sunlight or oxygen, relying on geothermal energy and various elements. These microbes play a crucial role in regulating Earth's oxygen levels and nutrient cycling, and may significantly influence climate change. This article explores their survival strategies, evolutionary mechanisms, and their connection to deep-sea mining and climate change, highlighting the importance of further research to better understand Earth systems and address climate challenges.

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Lithium Propulsion: Hype vs. Reality in Aviation and Marine

2025-04-18
Lithium Propulsion: Hype vs. Reality in Aviation and Marine

This article debunks the hype surrounding lithium-ion battery propulsion systems for aircraft and boats. The author argues that the technology's energy density is significantly lower than traditional fuels, resulting in massive energy consumption throughout its lifecycle, excessively long charging times, and impractical payback periods. In many regions, the carbon footprint is even higher than conventional systems. Profitability remains elusive unless battery energy density increases dramatically, grid carbon intensity decreases significantly, and fast-charging technology makes a breakthrough.

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Python Integrates Formally Verified Crypto Library HACL*

2025-04-18

After 2.5 years of work, Python successfully integrated the formally verified cryptographic library HACL* into its hash and HMAC implementations. This upgrade replaces the previous SHA3 implementation, which contained a CVE, and covers various algorithms including Blake2, SHA3, and HMAC, significantly improving Python's security. The project overcame challenges in implementing streaming APIs and building the system, and also implemented handling of memory allocation failures. This demonstrates the potential of formal verification in large-scale real-world projects.

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Development

Magnetic Bacteria's Collective Survival: Unraveling the Mystery of Multicellularity

2025-04-18
Magnetic Bacteria's Collective Survival: Unraveling the Mystery of Multicellularity

A study published in PLOS Biology reveals the surprising secrets of multicellular magnetotactic bacteria (MMB). Unlike other bacteria, MMB must survive as multicellular consortia; single cells cannot survive independently. This research found that cells within an MMB consortium are not genetically identical and exhibit metabolic differentiation, similar to cell differentiation in multicellular organisms. This provides valuable clues to understanding the early origins of multicellularity on Earth. MMB are the only known example of bacteria exhibiting obligate multicellularity, and their unique survival strategy offers a new perspective on understanding a crucial transition in the history of life's evolution.

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Good Karma Kit: Donate Unused Computing Power for Good

2025-04-18

The Good Karma Kit is a Docker Compose project that leverages spare CPU, disk, and bandwidth on servers to contribute computing power to over ten public-good projects. It includes networking projects like Tor and i2p, distributed computing projects such as BOINC and Folding@home, internet archiving projects like ArchiveBox and Kiwix, and distributed storage projects like IPFS and Storj. Users can choose which projects to participate in and adjust resource allocation. The project aims to put idle resources to work for beneficial causes, offering leaderboards to incentivize participation. Some projects are non-profit, while others offer cryptocurrency rewards.

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Development

UML Diagrams Deconstruct Evans' DDD Cargo Shipping Example

2025-04-18
UML Diagrams Deconstruct Evans' DDD Cargo Shipping Example

This project visualizes the DDD cargo shipping example from Eric Evans' book using UML diagrams. Generated from the dddsample-core GitHub project, these diagrams – including class, sequence, object, and communication diagrams – illuminate the system's architecture and behavior, showcasing the interplay between components and the structure of the domain model. A directed graph, created with Astah Professional, further clarifies relationships between elements. This resource provides a practical, visual understanding of DDD principles in action.

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Development Cargo Shipping System

Loglan'82: A Programming Language for Object and Distributed Programming

2025-04-18

Loglan'82 is a programming language designed for object and distributed programming, boasting features surpassing other languages. Its unique safe and efficient object management system, support for modular classes, coroutines, and threads, and ability to distribute computations across a network of virtual machines set it apart. Loglan'82 offers an original object-based communication and synchronization protocol called 'alien call' and solves challenging problems in object management, coroutine semantics, and distributed computing. It's suitable for ambitious programmers, educators, and researchers.

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Development object programming

Zig for GPU Programming: A Modern Approach

2025-04-18

GPU programming used to be synonymous with wrestling C++ compilers, bloated SDKs, and vendor-specific toolchains. That's changing. Now you can write GPU code in modern languages like Rust and Zig with fewer layers of abstraction. This post explores the current state of Zig's GPU backends and how they perform across Vulkan, OpenCL, and native ISAs. Zig supports SPIR-V, PTX, and AMDGCN, allowing the generation of native binaries loadable at runtime, eliminating the need for CUDA, HIP, or HLSL. While Vulkan and OpenCL are the major SPIR-V environments, differences between them impact Zig's SPIR-V backend's behavior test pass rates. Future plans include maturing the SPIR-V backend, providing CUDA/HIP runtime bindings, and adding more GPU algorithms to the standard library.

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Development

EU MEPs Use Faraday Bags in Hungary Amid Spying Concerns

2025-04-18
EU MEPs Use Faraday Bags in Hungary Amid Spying Concerns

A delegation of EU lawmakers visiting Hungary is using Faraday bags to protect their devices from potential surveillance, highlighting deep concerns over the country's human rights record and alleged use of spyware against opposition figures, journalists, and civil society. Previous reports have detailed Hungarian intelligence agencies allegedly spying on EU officials. The incident underscores the strained relationship between Hungary and the EU, fueled by ongoing disputes over democratic backsliding and rule of law issues.

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Misc

arXivLabs: Experimental Projects with Community Collaborators

2025-04-18
arXivLabs: Experimental Projects with Community Collaborators

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

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Development

Breaking the Constraint System: Solving Dynamic Media Challenges

2025-04-18
Breaking the Constraint System: Solving Dynamic Media Challenges

In phase two, the team successfully overcame challenges like "floatiness," "blow-ups," and poor performance in constraint systems. Techniques employed included propagating knowns, leveraging linear relationships to reduce solver variable dimensions, and clustering constraints into independently solvable clusters. These significantly improved the system's stability and performance. The team experimented with various solvers and optimized the system further by changing the way values were represented (e.g., using polar coordinates). These improvements enabled the construction of physically accurate mechanical structures and true bidirectional computation, laying a solid foundation for building dynamic media.

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GoDaddy Error Takes Down Zoom for Nearly Two Hours

2025-04-18
GoDaddy Error Takes Down Zoom for Nearly Two Hours

A GoDaddy error caused a nearly two-hour outage for video conferencing platform Zoom on Wednesday afternoon US time. GoDaddy Registry mistakenly blocked the zoom.us domain, disrupting Zoom's services globally. Zoom restored service at 13:55 PDT, explaining the outage resulted from a communication error between Zoom's registrar, Markmonitor, and GoDaddy Registry. The incident highlights the risks associated with domain registrars maintaining domain stability and reminds users of technical details like DNS cache flushing.

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Tech Outage

Why AI Can't Replace Top Sales Performers: The Irreplaceable Human Element

2025-04-18
Why AI Can't Replace Top Sales Performers: The Irreplaceable Human Element

A VP of Sales faces pressure from his CEO to replace human sellers with AI. Analyzing a recent $2.7 million deal, he reveals AI's inability to replicate human skills like building rapport, embodying accountability, reacting swiftly to competition, and navigating complex client relationships. He uses the 'HUMAN' framework (Humanity, Understanding, Metrics, Action) to successfully argue for retaining his sales team and even increase the budget for top performers. The article emphasizes that while AI assists, it cannot fully replace the emotional intelligence, judgment, and flexibility of human sales professionals.

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Startup

Climate Change May Increase Arsenic Levels in Rice

2025-04-18
Climate Change May Increase Arsenic Levels in Rice

A six-year study reveals that climate change, specifically rising CO2 and temperature, increases inorganic arsenic levels in rice grains. Rice cultivation involves flooding paddies, leading to arsenic absorption from the water. Inorganic arsenic, a toxic substance from industrial materials, contaminates water sources. Exposure to inorganic arsenic is linked to various health issues, including cancers and heart disease. This research highlights the potential threat of climate change to food security and human health, especially in regions where rice is a staple food.

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Tech rice

Apollo 13: A Space Odyssey of Ingenuity and Survival

2025-04-18
Apollo 13: A Space Odyssey of Ingenuity and Survival

In 1970, Apollo 13's mission to the moon turned into a desperate fight for survival when an oxygen tank exploded, leaving three astronauts stranded 200,000 miles from Earth. Facing dwindling oxygen, power, and water, the crew found themselves in a critical situation due to insufficient carbon dioxide scrubbers. Ground control, in a feat of ingenuity, guided the astronauts through a makeshift repair using only materials available on board. They successfully modified the CO2 system, averting disaster and ensuring a safe return. This harrowing tale highlights human resilience and problem-solving in the face of unimaginable challenges.

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The PhD Trap and the Future of College Towns

2025-04-18
The PhD Trap and the Future of College Towns

This interview features Ryan Allen, a professor of international education at the University of America in Southern California, and author of the newsletter "College Towns." Allen discusses his shift from academic publishing to public writing, the challenges facing higher education, and how colleges can better integrate with their communities through thoughtful urban design. He highlights the oversupply of PhDs leading to a shrinking job market, advising caution against pursuing doctorates. He explores the relationship between colleges and their surrounding communities, noting the role of universities in preserving older neighborhoods and fostering urban development while also acknowledging the persistent "town and gown" conflict. Allen advocates for a more practical approach to higher education, emphasizing better community integration and addressing housing shortages.

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Misc

Dot: Hiring its First Customer Success/Sales Engineer

2025-04-18
Dot: Hiring its First Customer Success/Sales Engineer

AI data analysis startup Dot is hiring its first Customer Success/Sales Engineer. This hybrid role encompasses the entire customer journey, from onboarding and support to pre-sales technical evaluations. You'll bridge the gap between product and user, collaborating closely with founders and engineering to maximize customer value. The ideal candidate possesses experience with data warehouses, BI tools, and SQL, along with strong technical troubleshooting, communication, and sales skills. This is a chance to join a small but impactful team, working directly with founders and making a significant contribution to data-driven teams.

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Running DOOM from a QR Code: A Tale of Extreme Compression

2025-04-18
Running DOOM from a QR Code: A Tale of Extreme Compression

Programmer Kuber Mehta has achieved the seemingly impossible: running the classic game DOOM directly from a QR code! Dubbed 'The Backdooms,' this project utilizes zlib and gzip compression, base64 encoding, and a cleverly designed self-extracting HTML wrapper to deliver a fully playable DOOM experience without any downloads. The development journey was fraught with challenges, requiring iterative adjustments to compression ratios and QR code versions. This incredible feat showcases the power of extreme compression and innovative application design, a testament to programmer ingenuity and perseverance.

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Attune: Secure and Blazing-Fast Linux Package Hosting

2025-04-18
Attune: Secure and Blazing-Fast Linux Package Hosting

Attune is a tool for securely publishing and hosting Linux packages, offering both self-hosted and cloud-managed deployment options. Its CLI performs local repository index signing, ensuring key security. Incremental index rebuilds make it incredibly fast. Currently supporting APT (Debian and Ubuntu) repositories, with more to come. Set up an APT repository in about 5 minutes using Docker and GnuPG.

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AI Papers Dominate: The Unexpected Success of Deep Residual Networks

2025-04-18
AI Papers Dominate: The Unexpected Success of Deep Residual Networks

The most cited scientific papers of the 21st century aren't from groundbreaking discoveries like mRNA vaccines or gravitational waves. Nature's analysis of the top 25 most-cited papers reveals a dominance of AI methodology, research quality improvement, cancer statistics, and research software. Topping the list is Microsoft's 2016 paper on "Deep Residual Networks" (ResNets), which solved the vanishing gradient problem in deep learning, paving the way for AI tools like AlphaGo, AlphaFold, and ChatGPT. The paper's success is attributed to its open-source nature and the rapid advancement of the AI field. Highly cited papers on research methods, software tools, and cancer statistics also highlight the crucial role of methodology and foundational tools in scientific research.

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IBM's Stealth Layoffs? RTO Mandate and India Expansion Spark Controversy

2025-04-18
IBM's Stealth Layoffs? RTO Mandate and India Expansion Spark Controversy

IBM is implementing a new return-to-office policy requiring US sales and cloud employees to work at least three days a week in the office, a move interpreted by some as a stealth layoff tactic, as senior employees may be less willing to relocate. Simultaneously, IBM is aggressively hiring in India and establishing new software labs. This coincides with the company downplaying its diversity and inclusion initiatives, potentially linked to shifting US government policies. IBM declined to comment.

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Tech

Apple's Walled Garden Almost Cost a Life: A Cautionary Tale

2025-04-18

A long-time Apple user faced a critical situation when his wife needed urgent medical attention. The insurance app required for finding in-network hospitals was geo-restricted to the UAE, and Apple's restrictions, coupled with his Apple Music subscription, prevented him from easily changing regions to download it. He only resolved the situation by using an Android emulator and later acquiring an Android phone. This experience highlighted the dangers of Apple's closed ecosystem and prompted a plea for more open app installation policies to prevent similar emergencies.

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How Nazi Germany's Purge of Mathematicians Benefited the US

2025-04-18
How Nazi Germany's Purge of Mathematicians Benefited the US

In 1933, the Nazi regime expelled Jewish mathematicians from Göttingen University, crippling German mathematics. This exodus led to a significant influx of brilliant minds into the United States, including Einstein and von Neumann, bolstering American scientific and mathematical prowess. The article uses this historical event as a cautionary tale, highlighting the dangers of anti-science and anti-intellectualism, and raising concerns about parallels in the current American political climate.

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Objective-C: The Unexpected Legacy of a Polarizing Language

2025-04-18
Objective-C: The Unexpected Legacy of a Polarizing Language

Leibniz's dream of a 'characteristica universalis' lives on in programming languages. This story recounts the author's experience with Objective-C, a verbose and polarizing language that unexpectedly became the foundation of Apple's ecosystem. Despite its criticisms, Objective-C's unique syntax and role in early iOS development left a lasting impact, as the author shares their personal journey and the surprising power of this often-overlooked language.

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Development

PyCA Cryptography's New ASN.1 API: Speed and Security

2025-04-18

The PyCA Cryptography team is developing a new ASN.1 API using a pure Rust parser for significantly improved performance and reduced security risks from differences with other ASN.1 parsers. The new API also features a declarative dataclasses-style interface for improved code readability and maintainability. This addresses shortcomings in existing Python ASN.1 libraries regarding performance and security, and better supports emerging ecosystems like Sigstore.

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Development

Writing Less Slow C, C++, and Assembly Code: A Practical Guide to Performance

2025-04-18
Writing Less Slow C, C++, and Assembly Code: A Practical Guide to Performance

This repository offers practical examples of writing efficient C and C++ code, covering topics from micro-kernels to parallel algorithms. It demonstrates how to leverage C++20 features and compiler optimizations to boost performance (e.g., speeding up trigonometry by 40x), and explores best practices for avoiding performance bottlenecks, such as efficient JSON handling, using STL associative containers, and choosing the right parallel programming model. The project also includes code examples for hardware acceleration using Assembly, CUDA, and FPGA, aiming to help developers write faster and safer code.

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Development Parallel Programming

AI-Powered Code Editor's Bot Fabricates Policy, Leading to User Cancellations

2025-04-18
AI-Powered Code Editor's Bot Fabricates Policy, Leading to User Cancellations

An AI-powered code editor, Cursor, recently faced backlash after its AI chatbot fabricated a company policy. A developer discovered that switching devices instantly logged them out of Cursor. When contacting support, an AI agent named "Sam" claimed this was a new security feature. However, no such policy existed; the AI invented the information, leading to user complaints and subscription cancellations. This highlights the risks of deploying AI systems in customer-facing roles without human oversight, potentially resulting in frustrated customers, damaged trust, and financial losses.

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Development
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