Anthropic CEO Warns of Chinese Espionage Targeting US AI Secrets

2025-03-13
Anthropic CEO Warns of Chinese Espionage Targeting US AI Secrets

Anthropic CEO Dario Amodei has warned that Chinese spies are likely stealing valuable "algorithmic secrets" from top US AI companies, urging government intervention. He highlighted China's history of industrial espionage and the high value – potentially hundreds of millions of dollars – of seemingly simple code snippets. Amodei advocates for increased collaboration between the US government and AI companies to bolster security at leading AI labs, potentially involving US intelligence agencies and allies. This concern aligns with Amodei's previously expressed worries about China's use of AI for authoritarian and military purposes and his calls for stricter export controls on AI chips to China. His stance has drawn criticism from some who believe US-China collaboration on AI is necessary to prevent an uncontrollable AI arms race.

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Efficient Fine-tuning: A Deep Dive into LoRA (Part 1)

2024-12-25
Efficient Fine-tuning: A Deep Dive into LoRA (Part 1)

Fine-tuning large language models typically requires substantial computational resources. This article introduces LoRA, a parameter-efficient fine-tuning technique. LoRA significantly reduces the number of parameters needing training by inserting low-rank matrices as adapters into a pre-trained model, thus lowering computational and storage costs. This first part explains the principles behind LoRA, including the shortcomings of traditional fine-tuning, the advantages of parameter-efficient methods, and the mathematical basis of low-rank approximation. Subsequent parts will delve into the specific implementation and application of LoRA.

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Slave Ship Mutiny: The Amelia (1811)

2025-09-21

On January 20th, 1811, off the west coast of Africa, enslaved people aboard the illegal slave ship Amelia staged a successful mutiny. Armed with wooden planks, they overpowered the crew and forced the ship back to Africa. This event exposed a vast multinational criminal enterprise, with global repercussions. Unlike the infamous Zong massacre, the Amelia's attempted cover-up was foiled by the captives' rebellion.

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srsRAN: Open Source 4G/5G Software Defined Radio

2025-01-05
srsRAN: Open Source 4G/5G Software Defined Radio

srsRAN is an open-source collection of 4G and 5G software radio applications developed by SRS. Implemented in portable C++ with minimal third-party dependencies, srsRAN runs on Linux with off-the-shelf compute and radio hardware. The srsRAN Project features a complete O-RAN native 5G RAN CU+DU, and a full-stack 4G network implementation covering UE, eNodeB, and EPC. The project is hosted on GitHub with comprehensive documentation and an active community forum.

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Diligent: Hiring Founding AI Engineer to Revolutionize Fintech Risk

2025-05-27
Diligent: Hiring Founding AI Engineer to Revolutionize Fintech Risk

Diligent, a Y Combinator startup, uses AI to automate due diligence for fintechs and banks. They're seeking a Founding AI Engineer to build core agent frameworks, innovate LLM applications in financial services, and directly collaborate with clients. The ideal candidate is a problem-solver with strong coding, system design, and architecture skills, and a passion for language models. Competitive salary, equity, and a fast-paced environment are offered.

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AI

Falsehoods Programmers Believe About Null Pointers

2025-02-01
Falsehoods Programmers Believe About Null Pointers

This article debunks common misconceptions about null pointers. It explores fallacies ranging from the simple (dereferencing a null pointer doesn't always crash the program immediately) to the bizarre (the null pointer's address isn't always 0). The author argues against relying on compiler optimizations or hardware specifics, highlighting the dangers of assuming consistent behavior across platforms. The article emphasizes that C should be treated as a higher-level language, not just "portable assembler," and encourages leveraging modern languages' memory safety features for more robust and portable code.

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Development null pointer

GetHooky: Never Forget to Lint Again!

2025-06-13

Tired of forgetting to run your linter before pushing to production? GetHooky is a cross-platform CLI tool that automatically tests and lints your code on commit or push. It's super easy to use—install once, use anywhere. Works with any project, in any language, and supports all Git hooks. Say goodbye to messy code and hello to efficient development!

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Development

Lunar Photography Guide: From Beginner to Stunning Shots

2025-06-13
Lunar Photography Guide: From Beginner to Stunning Shots

This comprehensive guide covers everything you need to know about photographing the moon, from equipment selection to shooting techniques and post-processing. It walks you through choosing the right camera, lens, and tripod, as well as setting the correct parameters, composition tips, and post-processing techniques. Whether you're a beginner or an experienced photographer, this guide will help you capture stunning lunar images.

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US Electricity Prices Soar: Wholesale Costs and Transmission Bottlenecks

2025-09-19
US Electricity Prices Soar: Wholesale Costs and Transmission Bottlenecks

Since 2020, US electricity prices have skyrocketed by 35%. This article delves into trends in wholesale electricity prices, finding that the increase is linked to both generation costs and transmission bottlenecks. Independent System Operators (ISOs)/Regional Transmission Organizations (RTOs) manage electricity markets using Location Marginal Pricing (LMP), composed of energy, congestion, and losses. Analyzing LMP data across various ISOs/RTOs reveals a significant surge in wholesale electricity prices since 2020, partly due to rising natural gas prices. However, transmission bottlenecks are increasingly significant, hindering the movement of inexpensive electricity from low-cost areas to high-demand regions, amplifying price volatility. California's solar power growth and natural gas supply shortages in certain areas exacerbate transmission congestion.

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Netflix Accidentally Adds Content to Apple TV App, Then Quickly Removes It

2025-02-14
Netflix Accidentally Adds Content to Apple TV App, Then Quickly Removes It

On Thursday, Netflix accidentally added some of its content to the Apple TV app, sparking online excitement and speculation. However, a Netflix spokesperson confirmed it was an error and the content has since been removed. While briefly available, the content primarily consisted of Netflix originals like Stranger Things and The Crown, but suffered from significant bugs. Features such as incomplete seasons, broken watchlists, and unreliable 'Continue Watching' functionality were reported. The incident is speculated to be a result of an internal test gone public. For now, Netflix content remains exclusive to its own app.

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Tech

Reverse Engineering The Incredibles: Rise of the Underminer for Speedrunning Optimization

2025-05-03

To optimize their speedrun of The Incredibles: Rise of the Underminer, the author and his brother reverse-engineered and modded the GameCube game. They discovered debug features and out-of-bounds glitches, and statically reverse-engineered the combat system code using Ghidra. To experiment more easily, they created a mod that displays enemy health, applying it via Action Replay codes. This revealed interesting damage information, such as Mr. Incredible's punches doubling in damage with successive hits and higher damage against frozen enemies. They also explained why some known cheat codes were invalid, needing developer mode to work. Finally, the author shared some out-of-bounds glitches and developer mode features like flight and debug overlays.

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POSH is Hiring an Energy Analysis & Modeling Engineer

2025-02-21
POSH is Hiring an Energy Analysis & Modeling Engineer

POSH, a company revolutionizing the battery energy storage industry with innovative solutions for commercial and industrial applications, is seeking an Energy Analysis & Modeling Engineer. This role involves developing, analyzing, and optimizing energy storage models to improve system performance, efficiency, and cost-effectiveness. Ideal candidates will possess a Bachelor's or Master's degree in Electrical Engineering, Mechanical Engineering, Energy Systems, or a related field, along with 2+ years of experience in energy modeling or battery storage system analysis. Proficiency in Python and other simulation software is essential. Responsibilities include developing energy models for battery storage and hybrid systems, performing technical and economic analysis, collaborating with hardware and software teams, and working with sales to generate proposals. POSH offers a competitive salary, benefits, and equity participation.

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RoureXOS 2.0: A Lightweight OS Rewritten in Rust

2025-06-19
RoureXOS 2.0: A Lightweight OS Rewritten in Rust

The RoureXOS operating system has been rewritten in Rust for its second iteration. This lightweight OS can run in the QEMU emulator (using the provided ISO image) and on x86_64 bare metal (booting from USB). Detailed instructions cover dependency installation, kernel compilation, ISO image creation, QEMU emulation, and even networking using SLIP. The clear steps make it easy to experience this new OS.

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Development

Spotify's Pirate Secret: From P2P to Streaming Giant

2025-02-28

Spotify's success story has a little-known secret: in its early beta phase, it used unlicensed MP3s from pirate sites like The Pirate Bay! Rasmus Fleischer, a former member of The Pirate Bay, reveals that Spotify's beta was essentially a "pirate service," leveraging unlicensed music from employees' hard drives to launch the platform. This, combined with Spotify's P2P technology and its free, ad-supported model, successfully attracted millions of former pirates. This revelation highlights Spotify's shrewd early strategy and its complex relationship with the piracy wave.

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Tech

The Elusive Cross-Platform Timer API: A Journey Through OS APIs

2025-02-06

This article explores the challenges of cross-platform timer APIs in C programming. The author discovers that different Unix systems (including Linux, FreeBSD, NetBSD, etc.) handle timers very differently. The POSIX timer_create function, based on signals, presents numerous problems, such as poor interoperability with other OS primitives and signal mask interference. The article delves into the pros and cons of various solutions, including timerfd_create, kqueue, port_create, and io_uring, ultimately concluding that for cross-platform applications, implementing timers in userspace, as libuv does, is a more efficient and reliable approach. Libuv uses a min-heap data structure to manage timers and uses system calls like poll/epoll/kqueue for multiplexing.

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A Lifetime in Milestones: 1976-2075

2025-02-15

This blog post visually chronicles the author's life from birth in 1976 to their 100th birthday in 2075. It's a rich tapestry woven with childhood memories, educational milestones, career highlights, marriage, parenthood, and significant historical events like Reagan's inauguration, the first personal computer, the dawn of the World Wide Web, 9/11, and the iPhone's release. It's a deeply personal and engaging journey through time.

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Apple's App Store in Brazil: Massive Revenue, Regulatory Battles

2025-09-09
Apple's App Store in Brazil: Massive Revenue, Regulatory Battles

A new study reveals that Apple's Brazilian App Store generated R$63.8 billion (approximately $11.7 billion) for Brazilian developers last year, with 90% of that revenue commission-free. Despite this, Apple faces ongoing regulatory pressure in Brazil, navigating an antitrust lawsuit from MercadoLibre and court orders mandating sideloading and alternative payment methods. Apple is working with CADE, Brazil's competition watchdog, to delay enforcement and highlight the App Store's positive impact on Brazilian developers and the economy.

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Tech

Solving LinkedIn Queens with SMT: Easier Than SAT!

2025-06-12
Solving LinkedIn Queens with SMT: Easier Than SAT!

This post details solving the 'LinkedIn Queens' puzzle—a variation of the classic N-Queens problem with added regional constraints—using the SMT solver Z3. The author demonstrates that expressing the problem in SMT, leveraging integer variables and constraints, is significantly simpler than the equivalent SAT formulation which requires many boolean clauses. While SMT solvers might be slower than highly optimized SAT solvers like Glucose, the ease of encoding makes SMT preferable for many. The post includes complete code and helpful sanity checks to verify the model's correctness. This provides a compelling explanation for the industry's preference for tools that compile to SAT rather than using SAT directly.

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Development SMT solver

Efficiently Detecting Enclosed Spaces in a Browser Game

2025-02-07
Efficiently Detecting Enclosed Spaces in a Browser Game

In a browser game, players place obstacles to hinder enemies. To prevent players from cheating by enclosing themselves or enemies, the author designed an efficient algorithm to detect enclosed spaces. The initial brute-force approach—flood filling from every cell—proved too slow. The author devised an improved algorithm that leverages a cache of "open-faced" cells (cells not surrounded by obstacles) to prune the flood fill search space. When obstacles are added or removed, the algorithm updates the open-faced cell set and recalculates legal placement locations. While the worst-case time complexity remains the same as brute-force flood fill, in practice, this algorithm significantly reduces lag. The author also discusses other optimization tricks, such as iterative updates and checking only cells adjacent to multiple obstacles. Finally, the author mentions another possible solution: a cycle detection-based algorithm.

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Graphene's Surprising Superconductivity: A Glimpse of Room-Temperature Superconductors?

2025-02-07
Graphene's Surprising Superconductivity: A Glimpse of Room-Temperature Superconductors?

Physicists from Harvard and Northeastern Universities have unlocked secrets behind the superconductivity of twisted bilayer and trilayer graphene through ingenious experiments. They discovered that the kinetic inductance of these materials is unusually 'stiff', defying conventional superconductivity theories and potentially linked to quantum geometry. Even more exciting, the kinetic inductance of trilayer graphene resembles that of materials exhibiting superconductivity at higher temperatures, opening new avenues for research into room-temperature superconductors and potentially drastically reducing energy consumption in numerous devices. This research also presents new possibilities for fields like space exploration, such as creating smaller and lighter particle detectors.

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AMD Ryzen 9 9950X3D: In-Depth Review of the 2nd Gen 3D V-Cache Flagship

2025-03-12
AMD Ryzen 9 9950X3D: In-Depth Review of the 2nd Gen 3D V-Cache Flagship

AMD unveiled a plethora of products at CES, including the Ryzen 9 9950X3D and 9900X3D, featuring the second generation 3D V-Cache technology. This article delves into the specifications, features, and performance of the Ryzen 9 9950X3D. Compared to its predecessors, the 9950X3D boasts higher clock speeds and TDP, and by directly bonding the 3D V-Cache to the bottom of the CCD, it addresses thermal limitations and unlocks full overclocking capabilities. Its massive 128MB L3 cache significantly boosts gaming performance, while AMD's 3D V-Cache Performance Optimizer ensures workloads run on the correct CCD. Benchmarks reveal the Ryzen 9 9950X3D excels in both single-threaded and multi-threaded workloads.

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Hardware

SharePoint Zero-Day Exploited Before Patch Release: A Leak?

2025-07-27
SharePoint Zero-Day Exploited Before Patch Release: A Leak?

A critical SharePoint vulnerability disclosed at the May Pwn2Own competition was massively exploited a day before Microsoft released a patch in July. Security researchers suspect a leak allowed attackers to bypass the fix. The incident involved Chinese state-sponsored actors, ransomware operators, and compromised over 400 organizations. While Microsoft issued updated patches, the event highlights risks in vulnerability disclosure and patching processes, underscoring the importance of cybersecurity.

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Shrek on Xbox: The Untold Story of the First Deferred Shaded Game

2025-03-12
Shrek on Xbox: The Untold Story of the First Deferred Shaded Game

This article recounts the development of Shrek on Xbox, revealing it as the pioneering game to utilize deferred shading. The team faced immense challenges in implementing omnidirectional lighting on the limited hardware of the original Xbox. Through ingenious algorithms and a deep understanding of the hardware, they overcame numerous obstacles, achieving stunning visuals and making significant contributions to real-time rendering. The article highlights the crucial roles of Atman Binstock's mathematical expertise and the author's tireless efforts, including the development of a custom real-time profiler to optimize performance.

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AI-Powered Student Loan Fraud Explodes: Colleges and Students Targeted

2025-06-15
AI-Powered Student Loan Fraud Explodes: Colleges and Students Targeted

The rise of AI and online classes has fueled a surge in student loan fraud. Criminal rings are deploying AI chatbots as "ghost students," enrolling in online courses and collecting financial aid. California colleges reported 1.2 million fraudulent applications in 2024, resulting in 223,000 suspected fake enrollments and at least $11.1 million in losses. Victims face not only significant debt but also potential inability to enroll in needed courses due to bots filling class rosters. The US Department of Education has implemented temporary measures requiring government-issued ID, but more robust long-term solutions are under development.

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OWASP Non-Human Identity Top 10 - 2025: A Critical Security List

2025-02-04

The OWASP Non-Human Identity (NHI) Top 10 - 2025 outlines the ten most critical risks associated with using non-human identities (like bots and automated tools) in application development. Compiled using real-world breach data, surveys, and the OWASP Risk Rating Methodology, this list helps developers understand and mitigate significant security threats posed by NHIs, which are increasingly vital to modern development pipelines. Contributions to improve the project are welcome.

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Development Non-Human Identity

AI Coding Subscriptions vs. Top-Tier CPUs: A Productivity Showdown

2025-08-24

While AI coding subscriptions like Cursor are all the rage, costing upwards of $500 annually, the author argues that investing in a high-performance CPU offers a superior return. A top-end CPU like the AMD Ryzen 9 9950X costs roughly the same but provides a dramatic performance boost, often exceeding a 10x improvement in compile times. Benchmarks comparing CPUs across generations highlight the significant productivity gains from superior hardware. The author concludes that businesses should prioritize high-performance hardware over solely relying on AI tools for productivity improvements.

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Development

AI and the Erosion of Startup Moats

2025-01-07
AI and the Erosion of Startup Moats

This article explores how the rapid advancement of AI is reshaping the competitive landscape for startups. The author analyzes various 'moats' (competitive advantages), such as strong R&D teams and superior customer support, arguing that many traditional advantages are weakening in the face of AI. The piece then identifies moats that remain relevant in the age of AI, including control over the physical world, access to capital, unique data, strong partnerships, and regulatory advantages. The author urges entrepreneurs to assess their competitive advantages, adapt to the changing landscape, and proactively embrace AI technologies.

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High-Growth Voice AI Fintech Startup Seeking Senior Engineer

2025-03-23
High-Growth Voice AI Fintech Startup Seeking Senior Engineer

Domu, a rapidly growing fintech startup, is seeking a senior engineer. They've tripled their ARR with Fortune 500 clients and 50% of their code is already AI-generated. The role involves daily feature releases, solving complex product challenges (like optimizing voice AI for collections), scaling infrastructure for millions of calls, client onboarding (including travel), and AI agent stress testing. Candidates need 3+ years experience, a proven track record of shipping scalable products, and a willingness to work long hours and travel frequently. Equity and revenue-based compensation are offered.

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Startup

Stellar Flyby Sculpted the Orbits and Colors of Trans-Neptunian Objects

2025-07-19
Stellar Flyby Sculpted the Orbits and Colors of Trans-Neptunian Objects

New research suggests a stellar flyby in the early solar system shaped the unusual orbits and color distribution of trans-Neptunian objects (TNOs). Using supercomputer simulations, scientists modeled a 0.8 solar mass star's flyby of the protoplanetary disk, successfully reproducing the spiral arm-like distribution of TNOs, their orbital characteristics, and their red-to-gray color gradient. The simulations showed a correlation between color and orbital inclination, with red objects primarily found at low inclinations and green to blue objects dominating higher inclinations. This research provides new evidence for a stellar flyby in the early solar system and offers predictions for future Vera Rubin Observatory observations, promising a deeper understanding of solar system formation.

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Mutmut: A Powerful Mutation Testing Tool for Python

2025-05-26
Mutmut: A Powerful Mutation Testing Tool for Python

Mutmut is a user-friendly mutation testing system for Python. It helps developers identify gaps in their test suites, leading to higher code quality. Key features include incremental testing, parallel execution, and an interactive terminal UI. Users can easily run tests, browse mutants, apply mutants, and configure various settings such as paths to mutate, test directories, and files to exclude. Mutmut also offers optimizations for large codebases and extensive configuration options for diverse needs.

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Development Mutation Testing
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