AI Through the Lens of Topology: A Geometric Interpretation of Deep Learning

2025-05-20
AI Through the Lens of Topology: A Geometric Interpretation of Deep Learning

This article explains deep learning from a topological perspective, arguing that neural networks are essentially topological transformations of data in high-dimensional spaces. Through matrix multiplication and activation functions, neural networks stretch, bend, and deform data to achieve data classification and transformation. The author further points out that the training process of advanced AI models is essentially about finding the optimal topological structure in high-dimensional space, making the data more semantically relevant, and ultimately achieving inference and decision-making. This article presents a novel viewpoint that the inference process of AI can be viewed as navigation in a high-dimensional topological space.

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AI

Chrome Root Program Enhances Web PKI Security with Mandatory MPIC and Linting

2025-03-31
Chrome Root Program Enhances Web PKI Security with Mandatory MPIC and Linting

Google's Chrome team announced that its Root Program is mandating two key security improvements: Multi-Perspective Issuance Corroboration (MPIC) and certificate linting. MPIC mitigates the risk of fraudulently issued certificates due to BGP attacks by verifying domain control from multiple geographic locations, while linting automates the detection of certificate errors, improving security. Both are mandatory for publicly trusted certificates from March 15, 2025, strengthening the web PKI ecosystem's security and stability, and reducing certificate mis-issuance. The Chrome team also plans to sunset weak domain validation methods and actively explore solutions for a post-quantum cryptography world.

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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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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

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

Crypto Dev's Fake Suicide Video Exposed

2025-05-12
Crypto Dev's Fake Suicide Video Exposed

Jeffy Yu, a 23-year-old cryptocurrency developer, seemingly took his own life in a video released days before his birthday. A flattering obituary followed, hailing him as a tech prodigy, and a memecoin was even created in his honor. However, online sleuths quickly uncovered inconsistencies, debunking the video's authenticity and leading to the obituary's disappearance. The Standard ultimately located Yu at his parents' home, where he confessed to orchestrating the hoax due to online harassment. Yu is the creator of Zerebro, a cryptocurrency with a $44 million market cap, a fraction of Bitcoin's $2 trillion. This incident highlights the speculation and misinformation prevalent in the crypto space.

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Snowflake's Growth Bottlenecked by On-Prem Renewal Cycles

2025-06-02
Snowflake's Growth Bottlenecked by On-Prem Renewal Cycles

Snowflake's growth in the large enterprise market is hampered by the renewal cycles of older, on-premises data warehouse and analytics technology, according to its VP of Finance, Jimmy Sexton. While Snowflake's Q1 revenue hit nearly $1 billion, up 26 percent year-over-year, and they secured two deals exceeding $100 million in the financial services sector, growth is constrained by the lengthy migration process from on-prem systems. Customers typically only initiate migrations near contract renewals, limiting Snowflake's ability to rapidly expand in this market segment. This reliance on renewal cycles applies to various legacy systems, not just Teradata, hindering faster adoption.

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Tech

Intentionally Slowing Down Programs: A Surprising Boost to Developer Tool Accuracy

2025-08-27
Intentionally Slowing Down Programs: A Surprising Boost to Developer Tool Accuracy

Most research on programming language performance focuses on speeding up programs, but a new study explores the benefits of intentionally slowing them down. By inserting NOP or MOV instructions into program basic blocks, researchers achieved fine-grained control over program execution, leading to more precise race condition detection, speedup simulation, and profiler accuracy assessment. Experiments on an Intel Core i5-10600 showed that NOP and MOV instructions are best suited for this purpose, opening new avenues for future advanced developer tooling.

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Development profilers

Evolution of the American Mailbox: From Classic to Quirky

2025-05-03
Evolution of the American Mailbox: From Classic to Quirky

For much of the 20th century, the classic American mailbox reigned supreme: galvanized steel, rounded top for water runoff, and a carrier signal flag. But the rise of e-commerce and package deliveries led the USPS to introduce a Next Generation Package Mailbox, which saw muted market success. This spurred a wave of diverse mailbox designs, ranging from plastic alternatives to modern aesthetics, showcasing practical functionality and individual expression. Some designs even reveal a more aggressive, unconventional style, reflecting the multifaceted nature of American culture and design preferences.

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Enhanced MySQL 8.0: Open-Source Project Delivers Significant Performance Boost

2025-06-01
Enhanced MySQL 8.0: Open-Source Project Delivers Significant Performance Boost

An open-source project has comprehensively optimized MySQL 8.0, addressing join performance degradation since version 8.0.28, bulk insert performance issues, and other bottlenecks. Optimizations span InnoDB storage engine scalability, redo logs, hash join cost model, memory usage, and high availability. Testing shows the optimized version is particularly effective on high-performance hardware, delivering more stable and efficient service, especially for high-concurrency scenarios in internet companies. The project also provides ongoing version maintenance and easy-to-use binary downloads.

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Development

North Korean Hackers Use AI to Infiltrate Global Companies

2025-08-05
North Korean Hackers Use AI to Infiltrate Global Companies

CrowdStrike's latest report reveals that the North Korean hacking group, Famous Chollima, is using AI to create fake identities and infiltrate companies worldwide, taking technical jobs to steal intelligence. Over the past year, the group launched an attack almost daily, with activity increasing by 220%. They leverage AI for resume generation, fake identities, and even to complete technical tasks during interviews and on the job. This highlights the double-edged sword of AI in cybersecurity and underscores the need for stronger corporate security measures.

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Say Goodbye to Tracking: Setting up a Pi-hole at Home

2025-05-05
Say Goodbye to Tracking: Setting up a Pi-hole at Home

Tired of constant online tracking and ads? This article guides you through setting up a Pi-hole, a DNS proxy running on a Raspberry Pi, to effectively block ads, trackers, and other malicious domains, protecting your network privacy. The author details the setup process, including hardware requirements, software installation, configuring domain blocklists, and advanced techniques like using iptables rules to prevent devices from bypassing DNS settings. The result? Significantly reduced network traffic and improved network security and online experience.

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Tech

AI-Powered Dataset Generator: Instantly Preview, Export, and Explore Data

2025-06-27
AI-Powered Dataset Generator: Instantly Preview, Export, and Explore Data

This tool leverages AI (GPT-4) and Faker to generate realistic datasets for demos, learning, and dashboards. Customize datasets via a conversational prompt builder, preview data in real-time, and export as CSV or SQL. It integrates with Metabase for easy data exploration. OpenAI API calls (costing ~$0.05) are only made for data previews; CSV/SQL downloads are free, generating more rows based on the preview's schema. Supports both One Big Table (OBT) and Star Schema for flexible analytics.

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Development dataset generation

Rust's New Approach to Uninitialized Buffers: The Buffer Trait

2025-05-21

Uninitialized buffers in Rust have been a long-standing challenge. John Nunley and Alex Saveau introduced a novel solution using a `Buffer` trait. This trait enables safe reading into uninitialized buffers, providing implementations for `&mut [T]` and `&mut [MaybeUninit]`. It also cleverly leverages the spare capacity of `Vec` and encapsulates the unsafe `Vec::set_len` call. This approach is now integrated into rustix 1.0 and released as a standalone library, `buffer-trait`, with potential future inclusion in Rust's standard library.

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Development Buffer

Astrophotography Without Tracking: Is It Possible?

2025-05-24
Astrophotography Without Tracking: Is It Possible?

This article explores the feasibility and techniques of astrophotography without a star tracker. The author demonstrates that stunning night sky photos are achievable by selecting bright, stationary targets like the Milky Way, using a sturdy tripod, and applying methods like the 500 Rule. The guide details techniques including exposure times, lens selection, and camera settings, illustrating results with personal examples using different targets and lenses. While tracker-less shooting limits exposure times, high-quality images are still attainable by stacking numerous photos.

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Porting Balatro to the Nintendo E-Reader: A Herculean Task

2025-06-21
Porting Balatro to the Nintendo E-Reader: A Herculean Task

The author, a huge fan of the card game Balatro, attempted to port it to the Nintendo Game Boy Advance's E-Reader peripheral. The E-Reader's limitations—small screen resolution, limited memory, and restricted numerical processing capabilities—presented significant challenges. A prototype was created, but it only includes a fraction of the core gameplay with simplifications like a streamlined scoring system and a reduced number of special cards. The author details the various technical hurdles encountered, including decimal number precision, sprite limitations, memory space constraints, and text display issues, exploring potential solutions. Ultimately, the prototype remains unreleased pending the original game's creator's approval.

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Game

YouTube Loosens Content Moderation: More Controversial Videos to Remain

2025-06-09
YouTube Loosens Content Moderation: More Controversial Videos to Remain

YouTube is easing its content moderation policies. Balancing free speech with potential harm, YouTube is raising the bar for content removal, allowing more potentially controversial videos to remain in the name of 'public interest.' This could lead to more inflammatory content on topics such as elections, race, gender, sexuality, abortion, immigration, and censorship. The change follows a trend seen on other user-generated content platforms, reflecting the challenges and complexities of content moderation. YouTube states the goal is to protect free expression while mitigating egregious harm.

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TinyStories: Can Small Language Models Still Tell Coherent English Stories?

2025-01-02
TinyStories: Can Small Language Models Still Tell Coherent English Stories?

Researchers introduce TinyStories, a synthetic dataset of short stories using only vocabulary understood by typical 3-4 year olds, generated by GPT-3.5 and GPT-4. They demonstrate that LMs trained on TinyStories, even those with fewer than 10 million parameters and simple architectures (a single transformer block), can generate fluent, coherent multi-paragraph stories exhibiting surprisingly good grammar and reasoning. This challenges the notion that coherent text generation requires massive models and complex architectures, and introduces a novel evaluation paradigm using GPT-4 to grade generated stories like a human teacher, overcoming limitations of standard benchmarks.

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Fedora Aims for 99% Reproducible Builds in Fedora 43

2025-04-11

Fedora is striving for 99% reproducible builds in its upcoming Fedora 43 release. This means anyone, given the same source code, build environment, and instructions, can recreate bit-for-bit identical binaries. While Debian has made significant strides in reproducible builds, Fedora's approach focuses on the payload of RPM packages, leveraging infrastructure improvements and tools like add-determinism and rebuilderd. Although largely invisible to end-users, this effort is crucial for bolstering supply chain security against malicious attacks.

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Development

Amazon Cancels 'The Wheel of Time' After Season 3: High Production Costs and Viewership Decline

2025-05-24
Amazon Cancels 'The Wheel of Time' After Season 3: High Production Costs and Viewership Decline

Amazon's Prime Video has canceled 'The Wheel of Time' after three seasons. Despite critical acclaim for season 3 (97% on Rotten Tomatoes), the show's viewership failed to justify its high production costs. While it initially set records as Prime Video's most-watched series premiere, viewership declined over the seasons, ultimately falling short of renewal expectations. This decision reflects the streaming platform's focus on cost-effectiveness in the current economic climate.

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Game tv series

A 1989 Facit A2400 Terminal: A Nostalgic Unix Tale

2025-08-26

This post recounts the author's experience using Facit A2400 terminals and Unix computers in 1989. In the pre-internet era, manuals were physical, and the author even developed a special curses library. Years later, the author donated a Facit A2400 terminal to Linuxhotel for use in introductory Unix courses, allowing younger generations to experience the past work environment. The terminal is connected via a Shuttle PC running OpenBSD at 19200 baud. While lacking an ESC key, it's emulated via a compose key.

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Futureworld: The Dark Side of Tech Utopia

2025-06-05
Futureworld: The Dark Side of Tech Utopia

A viewing of the film *Futureworld* prompted reflections on tech ethics. The movie depicts a theme park where guests can kill and sexually assault robots, highlighting the misuse of AI by corporations like the fictional Delos. The author argues this isn't about AI ethics, but about power and sexual gratification. This instrumentalization of humans, disregarding their agency and dignity, mirrors current AI's data misuse and exploitation of creators, ultimately leading to potential enslavement. The article urges caution against the risks of technological advancement, emphasizing ethics and respect over using technology for selfish desires.

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Earth Wind is Rusting the Moon

2025-09-23
Earth Wind is Rusting the Moon

New research suggests that a stream of charged particles from Earth could be responsible for the rust found on the Moon. Scientists discovered that oxygen particles blown from Earth to the Moon can turn lunar minerals into hematite, also known as rust. This discovery enhances our understanding of the deep interconnection between Earth and the Moon, showing that the Moon retains a geological record of these interactions. When Earth is positioned between the Sun and the Moon, the Moon is exposed to the 'Earth wind,' containing ions of various elements including oxygen. These charged particles, upon impacting the Moon, embed themselves in the upper layers of lunar soil and trigger chemical reactions leading to hematite formation. This research provides experimental support for the origin of lunar hematite, confirming Earth wind as a contributing factor to the Moon's rust.

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Tech Earth Wind

Five Years of tachy0n: A Retrospective on an iOS 13.5 0day Exploit

2025-05-24

This post reflects on tachy0n, an iOS 13.5 0day exploit released in 2020, leveraging the Lightspeed vulnerability (CVE-2020-9859) discovered by Synacktiv. Author Siguza details the exploit's discovery and its use in jailbreaking, highlighting the race condition in the `lio_listio` syscall. The article also discusses significant security improvements introduced in iOS 14 that effectively mitigated such attacks, shifting Apple's security strategy from patching individual bugs to addressing entire exploitation strategies. This is a technical news report focusing on iOS system security and exploit development.

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Invariants: A Powerful Tool for Writing Correct Code

2025-01-12

This article explores the concept of 'invariants' in programming and their applications. Starting with a small example—writing a binary search variation that computes the insertion point—the author demonstrates how defining and maintaining invariants leads to correct code. Invariants, the article explains, are properties that hold true throughout a system's dynamic evolution, simplifying reasoning by avoiding the complexities of considering numerous execution paths. Examples from projects like Cargo, rust-analyzer, and TigerBeetle illustrate the benefits of using invariants in large systems, such as improved maintainability and performance. The author concludes by summarizing the importance of invariants in both small-scale and large-scale programming, highlighting their value in writing correct and efficient code.

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Facebook Secretly Uploads User Photos to the Cloud?

2025-08-29
Facebook Secretly Uploads User Photos to the Cloud?

Meta, Facebook's parent company, is testing a new feature that secretly uploads users' phone photos and videos to the cloud without explicit consent, using them to generate AI-powered suggestions like collages, monthly recaps, and themed albums. While Meta claims the feature is opt-in and prompts users, some report never seeing the prompt and finding the feature enabled by default. This raises serious privacy concerns as Meta accesses users' private, unshared photos and videos. The test is currently limited to the US and Canada, excluding Illinois and Texas due to privacy laws.

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Why I Refuse to Use AI for Writing

2025-07-19
Why I Refuse to Use AI for Writing

An author shares his reasons for refusing to use large language models (LLMs) for writing. He argues that over-reliance on LLMs reduces originality, weakens independent thinking, and deprives writing of personalized deep thought and associations. He cites studies from MIT and the UK supporting the idea that LLMs can lead to cognitive laziness and reduced learning motivation. Furthermore, the author finds LLM-generated text lacks personality and emotion, failing to capture the unique associations and insights that arise during reading. This conflicts with his pursuit of a deep reading experience. He ultimately chooses to stick to independent writing, believing it's the only way to maintain authenticity and originality.

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Beyond RISC-V: A Revolution in Distance-Based Instruction Set Architectures

2025-06-04
Beyond RISC-V: A Revolution in Distance-Based Instruction Set Architectures

CPU core instruction decoding and execution widths have significantly increased in recent years, but the cost of register renaming limits further scaling. This article introduces a distance-based instruction set architecture that eliminates register renaming by specifying operands based on the distance from the instruction's result, thus reducing hardware complexity and power consumption. Researchers have developed three distance-based instruction sets (STRAIGHT, Clockhands, and TURBULENCE) and successfully fabricated a chip based on the STRAIGHT instruction set. This innovation promises significant performance improvements for both CPUs and GPUs, especially for GPUs due to their flexible intermediate representation, making adoption easier.

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Hardware

Palantir's Controversial 'Meritocracy Fellowship': Bypassing College for High School Grads

2025-04-14
Palantir's Controversial 'Meritocracy Fellowship': Bypassing College for High School Grads

Palantir Technologies, a successful tech firm, has launched a controversial internship program called the "Meritocracy Fellowship." Targeting recent high school graduates who haven't attended college, the four-month program offers a substantial monthly stipend of $5,400. Applicants need exceptionally high SAT/ACT scores and must answer questions about their accomplishments and career aspirations. This move aligns with founder Peter Thiel's anti-higher education stance, sparking debate about tech talent acquisition and the value of college. While controversial, Palantir's initiative might offer a solution to the tech industry's talent shortage and inspire other companies to explore alternative recruitment strategies.

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Windows 11 September Update: Copilot Enhancements, Customizable Lock Screen Widgets

2025-08-21
Windows 11 September Update: Copilot Enhancements, Customizable Lock Screen Widgets

Microsoft is preparing a major feature drop for Windows 11 users in September. The update includes Copilot enhancements like improved Recall and Click To Do, alongside improvements for all users such as enhanced Windows Search (images displayed in a grid view), customizable lock screen widgets, and a redesigned Windows Hello interface. Additionally, the taskbar calendar flyout will once again display seconds, and Task Manager has been updated. Copilot+ PC users will get a new Recall landing page and a new Click To Do tutorial. Future updates include a more customizable Start menu and improved system-wide dark mode.

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Tech
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