Legendary Amateur Press Association Magazine Ceases Publication After Nearly 50 Years

2025-05-10
Legendary Amateur Press Association Magazine Ceases Publication After Nearly 50 Years

Alarums & Excursions, an amateur press association (APA) magazine founded in 1975, has ceased publication after nearly 50 years and over 590 issues. This long-running publication served as a platform for many prominent game designers and writers, including Greg Stafford, and won numerous 'best amateur magazine' awards. Its editor, Lee Gold, a legend in the field, was also a prolific RPG writer and novelist. While its closure is sad news, PDFs of all back issues are available for purchase.

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I Drank Every Single IBA Official Cocktail

2025-07-24
I Drank Every Single IBA Official Cocktail

The author recounts his multi-year journey to taste all 102 International Bartenders Association (IBA) official cocktails. This ambitious project took him across continents and into numerous bars, encountering classic, contemporary, and newly added drinks. The quest was fraught with challenges, from obscure ingredients to newly added cocktails, but ultimately rewarding, leading to a deeper appreciation of mixology and culminating in a celebratory IBA Tiki party.

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Misc IBA

LinkedIn's AI Job Match: Fewer Applications, Better Matches

2025-01-15
LinkedIn's AI Job Match: Fewer Applications, Better Matches

LinkedIn launched a new AI-powered feature called "Job Match" designed to help job seekers find more suitable roles. Going beyond simple keyword matching, it analyzes a candidate's experience to assess their fit for specific positions. LinkedIn aims to reduce unqualified applications, improving efficiency for both job seekers and recruiters. While available to all users, LinkedIn Premium subscribers receive more detailed match information. Despite the intense competition following 2024's tech layoffs, LinkedIn believes this feature can address a significant portion of the job search challenge by increasing transparency.

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Manage Your Dotfiles with Just Git

2025-08-31

Tired of complex dotfile managers like chezmoi, stow, and yadm? This article shows you how to use Git to manage your dotfiles with simplicity. Create a Git repository in your home directory, ignore all files with a `.gitignore`, and then force-add the files you want to track (e.g., `~/.bashrc`). Use `git add -f` or create an alias like `track-file` for easy tracking and syncing across machines. Handle machine-specific configurations with simple hostname checks in your main dotfiles. Ditch the extra tools and manage your dotfiles efficiently with Git!

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Development

Stop Using AI to Cut Corners: Your Boss Knows

2025-07-26

A seasoned professional expresses concern about employees' over-reliance on AI for writing. With extensive reading and writing experience and years of working with LLMs, he can easily detect AI-generated text. He argues that over-reliance on AI reduces efficiency and deprives employees of the learning and critical thinking involved in writing, ultimately resulting in lower quality work. He encourages employees to invest time in crafting their work, expressing their thoughts in their own words, and showcasing their personal value.

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Development workplace efficiency

JPMorgan Chase CEO Slams Remote Work: Inefficient, Damages Young Workers

2025-02-15
JPMorgan Chase CEO Slams Remote Work: Inefficient, Damages Young Workers

JPMorgan Chase CEO Jamie Dimon recently slammed remote work, claiming it reduces efficiency and harms the development of young employees. He stated that remote work leads to distractions, a lack of face-to-face interaction, and hinders creativity and decision-making. Despite JPMorgan Chase's recent record-breaking performance, Dimon insists that all hybrid workers return to the office full-time by March. This move prompted a petition signed by approximately 950 employees, but Dimon remains firm, asserting the company's right to set its own standards, and employees are free to leave if they disagree.

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Engineering-Driven Task Sequencing: Delivering More Value, Faster

2025-05-14

This article presents an engineering-driven approach to task sequencing that helps teams deliver more value, faster. Traditionally, Product Managers determine task order based on the PRD. However, engineers better understand the cost and dependencies of tasks. A better approach involves engineers prioritizing tasks based on value, cost, and feasibility, even reframing solutions to reduce costs. For example, the case study shows an engineer opting for a weekly email instead of building a complex dashboard, delivering some value early before tackling more complex tasks. This significantly improves value realization, allowing teams to create more value in a shorter timeframe.

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Development

AI Code: From Vibrators to Pacemakers – How Far Can Our Trust in Code Go?

2025-07-10

The author uses the code of a vibrator and a pacemaker as examples to discuss the issue of code security and trust in the age of AI. The simple vibrator program and the complex pacemaker program are surprisingly similar in structure, but the latter concerns life safety and requires strict review and certification. The author questions whether, even if AI can write better code than humans in the future, we can fully trust AI-generated code, especially for programs related to life safety, such as a car's braking system. The author argues that radical transparency, including open code, specifications, and processes, is key to building trust, but the correctness of the code alone is not enough; comprehensive system understanding and security measures are also needed.

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The AI Coding Lie: Productivity Hype or Bust?

2025-09-04
The AI Coding Lie:  Productivity Hype or Bust?

A seasoned programmer with 28 years of experience challenges the claims of AI coding tools, revealing a six-week experiment that showed no significant productivity gains, and potentially even a slowdown. The author argues that the industry's hype around AI-driven productivity increases is vastly overblown, unsupported by real-world data. Using extensive data, the article demonstrates the lack of an expected surge in software development output, debunking the myth of the '10x engineer'. The author urges developers to approach AI tools critically, avoid blind adoption, and resist unrealistic marketing claims.

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Development

TPDE-LLVM: A 10-20x Faster LLVM Back-end

2025-09-03
TPDE-LLVM: A 10-20x Faster LLVM Back-end

The TPDE project has open-sourced its fast LLVM back-end, TPDE-LLVM, achieving a 10-20x speedup in compilation compared to the LLVM -O0 back-end on SPEC CPU 2017 benchmarks, with similar runtime performance and a 10-30% increase in code size. TPDE-LLVM currently supports x86-64 and AArch64 architectures and incorporates optimizations to LLVM-IR, such as removing constant expressions inside functions and limiting struct/array sizes. Future plans include broader LLVM-IR feature support, DWARF debug info, and improved register allocation.

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Development

Automating C to Rust Porting with LLMs: A Surprisingly Effective Strategy

2025-06-18

This post details the author's experience automating the porting of C code to Rust using large language models (LLMs). After experimenting with several approaches, a strategy based on topological ordering and fuzz testing proved highly effective. Symbols in the C code were topologically sorted, then the LLM generated Rust versions of each symbol along with fuzz tests. Output comparison verified correctness. This successfully ported the Zopfli compression library from C to Rust with identical results. While not fully automated, this dramatically reduced cost and effort, offering a new approach to large codebase maintenance and upgrades.

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(rjp.io)

Turn Your Old iPhone or RTSP Camera into an AI Security Camera

2025-08-24
Turn Your Old iPhone or RTSP Camera into an AI Security Camera

The Clearcam app lets you upgrade your old iPhone or any RTSP-enabled camera into a state-of-the-art AI security camera. With a simple Homebrew install and running a Python script, you can view live feeds and receive event notifications (objects/people detected) on your local browser. Clearcam Premium offers remote viewing, event clips, and end-to-end encryption. Currently only iOS is supported, Android users can use the iOS User ID temporarily.

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Tech

Xenon Framework: A Powerful C++ Game Hacking Framework

2025-05-08
Xenon Framework: A Powerful C++ Game Hacking Framework

Xenon is a powerful and flexible C++ framework for creating both internal and external game cheats. Its modular architecture allows easy implementation of features like ESP, Aimbot, and Radar, supporting multiple game engines including Unreal Engine and Unity. Offering both internal (DLL injection) and external (standalone application) cheat options, Xenon simplifies cheat development by abstracting low-level details. A built-in (but still under development) automatic DLL injection system further streamlines the process. Whether targeting Unreal Engine or Unity games, Xenon lets developers focus on game-specific logic.

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arXivLabs: Community Collaboration on New arXiv Features

2025-02-24
arXivLabs: Community Collaboration on New arXiv Features

arXivLabs is an experimental framework enabling collaborators to develop and share new arXiv features directly on the website. Participants, individuals and organizations alike, embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners who adhere to them. Have an idea to enhance the arXiv community? Learn more about arXivLabs.

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Development

Building a Custom Rock Pi 4 Image with Yocto: CUPS, Docker, and SBOM Generation

2025-02-21
Building a Custom Rock Pi 4 Image with Yocto: CUPS, Docker, and SBOM Generation

This article details the author's experience building a custom disk image for a Rock Pi 4 using the Yocto Project. The image includes CUPS print services and Docker, leveraging Yocto's robust SBOM generation capabilities to create a Software Bill of Materials. The author chose Yocto due to outdated official Rock Pi 4 images, as Yocto enables building highly customized and reproducible embedded Linux systems. The article details key Yocto terminology, the build process, and how to locate SBOMs, while noting current image limitations and future improvements.

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Development

Giant Canyons on the Moon Formed in Under 10 Minutes: A New Study

2025-02-10
Giant Canyons on the Moon Formed in Under 10 Minutes: A New Study

New research reveals two massive canyons on the far side of the moon, near the lunar south pole, each comparable in size to the Grand Canyon. These extraordinary formations, likely created by an asteroid impact 3.8 billion years ago, formed in an astonishingly short timeframe – less than 10 minutes! The impact's energy was estimated to be 1,200 to 2,200 times greater than the energy planned for excavating a second Panama Canal. Future lunar missions, like Artemis III, will have the opportunity to explore this region and collect samples, offering insights into the moon's formation and the early solar system. The study highlights the importance of lunar research for understanding early Earth's impact history, as terrestrial records have been largely erased by geological processes.

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WebAssembly and DOM Support: The Future of Glue Code

2025-07-23

The question of whether WebAssembly (Wasm) is truly production-ready for web applications, given its need to integrate with web pages and APIs like the DOM, is addressed. The article argues that direct DOM access in Wasm isn't necessary; existing JavaScript APIs and compiler-generated glue code provide seamless integration. While a mechanism for directly calling web APIs might be added in the future, it would require significant effort. Currently, Wasm leverages JavaScript function imports (e.g., `console.log`) and cleverly uses JavaScript object array indices to manage object references, enabling flexible interaction with JavaScript. This approach, while not purely Wasm, effectively boosts performance. Ongoing improvements in exception handling, blocking I/O, and garbage collection are further optimizing Wasm-JavaScript integration efficiency. The author concludes that Wasm's focus should be on improving program performance, not eliminating JavaScript entirely. The future of WebAssembly involves refining the component model and toolchains to enhance interoperability with JavaScript without sacrificing performance or code size.

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Development

Matrix 1.15 Released: Next-Gen Authentication & Improved Room Summaries

2025-06-26
Matrix 1.15 Released: Next-Gen Authentication & Improved Room Summaries

Matrix 1.15 is here, boasting improvements to authentication, room summaries, and rich topics! This release incorporates 10 MSCs, highlighting the implementation of a next-generation authentication system – a significant step towards Matrix 2.0. New features also include enhanced room summaries, providing clients with richer room information, and support for rich text in room topics. These improvements enhance Matrix's security, user experience, and functionality.

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Development Room Summaries

Optifye: YC-backed AI Factory Optimization Startup Hiring Founding Team

2025-03-15
Optifye: YC-backed AI Factory Optimization Startup Hiring Founding Team

Optifye, an AI performance monitoring system for factories, uses computer vision to identify and address inefficiencies in real-time. Having successfully deployed their system across leading manufacturers in garments, automotive, medical, and FMCG sectors on three continents, achieving a 12% productivity boost, they're now scaling rapidly after graduating from YC W25. Their ambitious goal is to deploy their system on 100 manufacturing lines in the next 4 months. They're seeking experienced engineers with deep expertise in GPU/CPU/memory optimization, scaling CV applications in production, containerized cloud deployments (AWS preferred), and a relentless drive to solve complex problems. This is a high-pressure, high-reward opportunity for top-tier talent.

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Zuckerberg Approved Meta's Use of Pirated Data to Train Llama, Lawsuit Claims

2025-01-09
Zuckerberg Approved Meta's Use of Pirated Data to Train Llama, Lawsuit Claims

Meta CEO Mark Zuckerberg allegedly approved the use of a dataset called LibGen, containing pirated ebooks and articles, to train Meta's Llama AI models. Plaintiffs, including bestselling authors Sarah Silverman and Ta-Nehisi Coates, accuse Meta of copyright infringement. Meta claims fair use, but plaintiffs argue Meta attempted to conceal infringement by stripping copyright information and even using torrenting to obtain LibGen, exacerbating the violation. The case currently only pertains to Meta's earliest Llama models, and the outcome remains uncertain, but the allegations have already damaged Meta's reputation.

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AI

Microsoft Authenticator Ditches Passwords, Embraces Passkeys

2025-07-03
Microsoft Authenticator Ditches Passwords, Embraces Passkeys

Microsoft is phasing out password support in its Authenticator app, pushing users towards the more secure passkeys. Starting in July, autofill password functionality will be removed; by August, saved passwords will no longer be supported. Users will need to authenticate using passkeys – PINs, fingerprints, or facial recognition. Experts highlight passkeys' superior security using public-key cryptography, mitigating phishing and brute-force attacks. Microsoft will guide users through automatic passkey setup; simply open the Authenticator app, tap your account, and select 'Set up a passkey'.

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Your Car Key Fob's Security: A Closer Look at Vulnerabilities

2025-04-24

This technical article delves into the security vulnerabilities of Remote Keyless Systems (RKS) used in car key fobs. Using a 2006 Prius as an example, it explains how Software Defined Radio (SDR) can be used to receive and analyze key fob signals, revealing the rolling code mechanism. While rolling codes enhance security, the article details various attack methods like replay attacks, jamming, and signal amplification, enabling car theft. Higher-end Passive Keyless Entry and Start (PKES) systems are also examined, along with a case study on a vulnerability in VW's RKS system exploiting a repeated key flaw across millions of cars. The article concludes with assignment suggestions for further exploration of car security vulnerabilities and countermeasures.

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Tech

S-expr: A Peculiar S-Expression Parser

2025-06-18
S-expr: A Peculiar S-Expression Parser

S-expr is an S-expression parsing library featuring unique extensions to S-expression syntax. It supports single-line and multi-line strings and comments, and introduces a novel concept called "transposed blocks." Transposed blocks allow code to be written with rows and columns swapped, enhancing readability for complex nested expressions. This design aims to balance the simplicity of S-expressions with improved code readability and expressiveness. While more complex than traditional Lisp, it prioritizes a balance between simplicity and usability.

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BepiColombo Reveals Mercury's Shadowy North Pole

2025-01-10
BepiColombo Reveals Mercury's Shadowy North Pole

The ESA/JAXA BepiColombo mission's sixth and final Mercury flyby yielded stunning images of the planet's north pole, captured by the Monitoring Camera 1 (M-CAM 1). The long-exposure photo reveals permanently shadowed craters, potentially the coldest places in the Solar System and possible locations of water ice. The image also showcases Borealis Planitia, vast volcanic plains comparable in scale to Earth's mass extinction-level volcanic events. This flyby provides crucial data for BepiColombo's future orbital studies of Mercury.

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DeepCode: Revolutionizing Code Generation with Multi-Agent Systems

2025-08-23
DeepCode: Revolutionizing Code Generation with Multi-Agent Systems

DeepCode is a revolutionary AI-powered code generation platform leveraging multi-agent systems to transform research papers, natural language descriptions, and even URLs into production-ready code. It automates complex algorithm implementation, front-end and back-end development, dramatically reducing development time. DeepCode achieves this through intelligent document parsing, code planning, reference mining, and more, ultimately generating high-quality code, test suites, and documentation, significantly boosting developer productivity. Its modular design and rich toolset make it easily extensible and integrable into various development workflows.

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Development automated development

Desert Miracle: An American's Return After 26 Years

2025-07-25
Desert Miracle: An American's Return After 26 Years

In 1999, Robert Bogucki embarked on a solo trek into Australia's Great Sandy Desert, triggering a massive international rescue effort. Twenty-six years later, he returns to meet the people who saved him, revisiting a story of survival, cultural exchange, and spiritual questioning. Bogucki's deliberate journey sparked controversy, but his reunion with Aboriginal trackers reveals a powerful story of reconciliation and a deeper understanding of life's purpose.

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Therac-25: A Software Bug That Killed

2025-08-27
Therac-25: A Software Bug That Killed

In the 1980s, the Therac-25 radiation therapy machine killed and maimed several patients due to a software bug. A race condition in the software allowed for the machine to incorrectly deliver massive overdoses of radiation if data was entered quickly. The incident highlighted the severe consequences of neglecting software testing and process management in safety-critical systems. The lack of robust safety mechanisms proved fatal. This case serves as a stark warning in software engineering, emphasizing the importance of thorough software development processes, rigorous testing, and organizational accountability, especially when dealing with life-or-death situations.

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Unearthing the Past: Archaeological Discoveries Across Time

2025-04-01
Unearthing the Past: Archaeological Discoveries Across Time

Recent articles in Archaeology magazine delve into fascinating discoveries, from Crimea to Northern Europe and Greenland. One piece details the destruction of Baturyn, a Cossack cultural center, by Peter the Great in 1708. Another highlights the top 10 archaeological discoveries of 2020, including explorations of ancient sites in Northern Europe and Greenland. A separate article explores the history of the horse. These articles collectively showcase archaeology's crucial role in illuminating human civilization and history.

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Misc

C Pointer Aliasing and Compiler Optimization: A Game of Source Code Safety

2025-06-30
C Pointer Aliasing and Compiler Optimization: A Game of Source Code Safety

This article delves into the impact of pointer aliasing on program optimization in C. Pointer aliasing refers to two pointers pointing to the same memory object. Compilers, during code optimization, need to perform alias analysis to determine if pointers are aliases. Misjudgment can lead to program errors or performance degradation. The article uses a reciprocal calculation example to illustrate that when two pointers may alias, the compiler cannot perform certain optimizations, as this might alter the program's algorithm. The author also discusses mechanisms in C that aid alias analysis, such as the restrict pointer qualifier and the volatile qualifier, along with advanced alias analysis techniques like type-based and flow-based alias analysis. Finally, the author proposes a novel pointer aliasing analysis model that considers the pointer's lifetime and information flow, aiming to improve compiler optimization efficiency and program safety.

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Development Pointer Aliasing
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