Kronotop: A Redis-Compatible, Distributed, Transactional Document Database

2025-01-20
Kronotop: A Redis-Compatible, Distributed, Transactional Document Database

Kronotop is a Redis-compatible, distributed, and transactional document database built on FoundationDB. It supports an MQL-like query language, ACID transactions, and an on-disk storage engine with a primary-standby replication model. While still in early development with an unstable API, it already features ZMap (an ordered key-value store), namespaces, and partial support for Redis data structures (strings and hashes). Future plans include support for more Redis data structures (lists, sets, sorted sets) and a Bucket data structure for storing JSON-like documents with MQL query language and transaction support.

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Development

Proposal: Essential Effects for C

2025-01-20

This proposal suggests enhancing C's core type system with a type-and-effect system, requiring functions and blocks to declare the effects of their evaluation. This improves metaprogramming composability and simplifies defining MISRA-style restrictions. The system tracks and checks effects but doesn't handle dynamic effect handling. Three main effect groups are proposed: Local (e.g., local writes), Persistent (e.g., non-local writes), and Control (e.g., non-local control transfers). Static effect checking is achieved by assigning type-and-effect to each statement, expression, and function body, discarding local effects to ensure correct ordering. Best practices are suggested, like limiting the magnitude of `mut` and `vol` effects and specifying effect checks for operators and control structures. The goal is to improve C's safety, readability, and composability, especially for metaprogramming and resource management.

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Development type system

Bambu Lab Addresses Security Update Controversy: Third-Party Integration and Optional LAN Mode

2025-01-20
Bambu Lab Addresses Security Update Controversy: Third-Party Integration and Optional LAN Mode

Bambu Lab responded to the controversy surrounding its security update for X-series printers. The company denied online accusations of remotely disabling printers, restricting functionality, and including backdoors. To balance security and flexibility, they introduced an optional LAN mode with a standard mode (default, prioritizing security) and a developer mode (for advanced users to assume responsibility for their network security). Bambu Lab emphasizes that its Connect platform is designed to ensure continued third-party integration, and it's actively working with developers like Orca Slicer to maintain user experience and security.

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Meta Faces Lawsuit Over Alleged Use of Pirated Torrent Data for AI Training

2025-01-20

Authors are suing Meta for allegedly using their copyrighted works without permission to train its AI models. The lawsuit claims Meta used BitTorrent to download and share millions of pirated books from the shadow library LibGen. While Meta admitted to using unofficial sources, it argued fair use. However, plaintiffs are seeking Meta's BitTorrent client logs and seeding data to prove willful infringement. A judge allowed further investigation into the 'seeding' aspect, potentially impacting Meta's fair use defense and significantly altering the case's trajectory.

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SpaceX Falcon 9 Launch Scrubbed 11 Seconds Before Liftoff Due to Delta Air Jet

2025-01-20
SpaceX Falcon 9 Launch Scrubbed 11 Seconds Before Liftoff Due to Delta Air Jet

A SpaceX Falcon 9 rocket launch was scrubbed with just 11 seconds to go on Sunday morning after a Delta Air Lines plane reportedly flew into restricted airspace near the launch site. The live broadcast of the launch showed the control room urgently calling "Hold, hold, hold!" as the launch was aborted at the 11-second mark. Investigations revealed the Delta Air Lines Boeing 767, en route from Los Angeles to Honolulu, flew over Vandenberg Space Force Base, the Falcon 9 launch site. The Federal Aviation Administration (FAA) will investigate how air traffic controllers allowed the Delta flight to enter the restricted airspace. This near-miss comes days after SpaceX's Starship rocket exploded, causing flight diversions.

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Record Seizure of Viagra-Laced ‘Erectile Honey’ in France

2025-01-20
Record Seizure of Viagra-Laced ‘Erectile Honey’ in France

French customs officials announced a record seizure of illegally imported "erectile honey" laced with Viagra and other medications in 2024. The honey, primarily sourced from Turkey, North Africa, and Southeast Asia, is sold on the black market and in night shops as a natural sexual stimulant. However, it often contains hidden pharmaceuticals like sildenafil or tadalafil, the active ingredients in Viagra and Cialis, which can be dangerous when interacting with other medications, such as those for high blood pressure. A single seizure in Marseille last November confiscated 13 tons from Malaysia. The U.S. Food and Drug Administration (FDA) also issued warnings in 2021 and 2022 about honey-based supplements promising "sexual enhancement."

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Play Brick Breaker with Your Hands!

2025-01-20
Play Brick Breaker with Your Hands!

Forget controllers! 'Manual Brick Breaker' lets you play the classic game using only your hands. The game uses your webcam to track your palm movements, controlling the paddle to break bricks. Difficulty increases with each level, speeding up the ball and shrinking the paddle, testing your reflexes. All processing happens directly in your browser, ensuring privacy. The game's code is open-source, built with JavaScript, HTML canvas, and MediaPipe hand tracking. The creator also offers other fun open-source projects, such as video-to-ASCII art converters.

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X's Community Notes: Building a Community to Combat Misinformation

2025-01-20

The team behind X's (formerly Twitter) Community Notes shares their design process and philosophy for combating misinformation on the platform. Initially observing the difficulty in accessing accurate information online, they moved beyond traditional methods (internal review teams or media partnerships) which suffered from speed, scale, and trust issues. Inspired by Wikipedia's crowdsourced model, they developed Community Notes: users submit specific notes addressing individual posts, and an algorithm filters for notes deemed helpful across the political spectrum. This algorithm analyzes user voting history, identifying notes that bridge disagreements even among opposing viewpoints. Years of iteration and piloting led to a global rollout, significantly reducing misinformation spread and boosting user trust.

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AI

The Death of Authenticity: How 'Authenticity' Became a Commodity

2025-01-20
The Death of Authenticity: How 'Authenticity' Became a Commodity

This essay traces the evolution of 'authenticity' in contemporary culture. From the early hipster obsession with independent, non-commodified goods to the current prevalence of marketing terms like 'handmade' and 'small-batch,' authenticity has shifted from a scarce commodity to a ubiquitous one. The author argues that the rise of the internet and social media has lowered the cost of information dissemination, leading to shared value replacing scarcity and ushering in a 'post-authenticity' era. Brands are no longer simply commodities but active participants in shaping culture, demanding a more nuanced approach to critique.

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SRCL: A Terminal-Aesthetic React Component Library

2025-01-20
SRCL: A Terminal-Aesthetic React Component Library

SRCL is an open-source React component and style repository that helps you build web applications, desktop applications, and static websites with terminal aesthetics. It boasts a comprehensive collection of components, including action bars, accordions, buttons, alert banners, avatars, badges, loaders, blog posts, breadcrumbs, cards, checkboxes, chessboards, code blocks, combo boxes, data tables, date pickers, dashboards, database examples, dropdown menus, empty states, input fields, forms, links, lists, messages, modals, navigation bars, popovers, progress bars, radio buttons, selects, sidebars, sliders, tables, text areas, tooltips, and tree views, all styled with a retro terminal look and feel.

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Reverse Engineering a Viral Hacker News Post

2025-01-20
Reverse Engineering a Viral Hacker News Post

This blog post details the unexpected success of an article on Hacker News. The author recounts how a simple blog post about a 'spot the difference' trick, titled "I've acquired a new superpower," unexpectedly garnered over 100,000 readers. Key factors contributing to its virality included: trusting his intuition about an interesting topic, crafting a simple yet intriguing title, employing a personal and engaging writing style, and incorporating a 'try-it-yourself' element to encourage reader participation.

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YC Announces Spring 2025 Batch: X25

2025-01-20
YC Announces Spring 2025 Batch: X25

Y Combinator is launching its first-ever spring batch, X25, bringing its total annual batches to four (Winter, Spring, Summer, Fall). The 'X' designation, chosen for its common use in programming, reflects YC's tech roots. This more frequent batch schedule aims to better accommodate founders' timelines and rapidly fund the surge of AI-driven startups. Applications are open until February 11th, 8 PM PT, with the program running April-June and culminating in an in-person Demo Day.

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Startup

ROCm Device Support Wishlist: Community Input Sought for Future GPU Compatibility

2025-01-20
ROCm Device Support Wishlist: Community Input Sought for Future GPU Compatibility

The AMD ROCm open-source compute platform is seeking community input to determine which GPUs will receive driver support in the future. Currently, ROCm supports select AMD Instinct and Radeon cards, but many users are requesting support for more models, particularly those with 16GB or more VRAM, and reinstatement of support for older AMD GPUs that have lost ROCm compatibility. A GitHub discussion thread has generated significant community engagement, with users actively voting on their desired GPU support.

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Failed Startups Leave Employees Vulnerable to Data Breaches via Google Logins

2025-01-20
Failed Startups Leave Employees Vulnerable to Data Breaches via Google Logins

A security researcher discovered a critical vulnerability exposing employees of defunct startups to significant data breaches. By acquiring expired domains, attackers can exploit "Sign in with Google" to access company cloud software, potentially stealing Slack messages, Social Security numbers, and bank account details. While Google's OAuth configuration includes safeguards, improper implementation by some SaaS providers leaves the vulnerability exploitable. Tens of thousands of former employees and millions of SaaS accounts are at risk. Google has updated its documentation, advising companies to properly shut down cloud services, but the issue remains unresolved.

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Tech startups

Canon's New Livestreaming App Doesn't Support Canon Cameras (Yet)

2025-01-20
Canon's New Livestreaming App Doesn't Support Canon Cameras (Yet)

Canon launched "Live Switcher Mobile," an iOS livestreaming app supporting up to three camera views. Surprisingly, it only works with Apple devices and currently lacks support for Canon cameras. The free version is limited to 720p with ads and watermarks. A $18 monthly subscription unlocks 1080p, removes ads, and adds features like picture-in-picture. While lacking some features of free alternatives like OBS Studio, Canon promises upcoming Canon camera support.

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The Quiet Rebellion of a Little Life: Rejecting the Endless Ascent, Embracing the Mundane

2025-01-20
The Quiet Rebellion of a Little Life: Rejecting the Endless Ascent, Embracing the Mundane

This essay challenges the modern definition of success and the societal misconception of those choosing a quiet life. The author argues that true value lies not in the scale of achievements but in the depth of lived experience. Referencing Camus's Myth of Sisyphus and Kierkegaard's concepts of the aesthetic and ethical life, the piece encourages self-reflection and the pursuit of inner peace and fulfillment. Sharing personal experiences and insights, the author advocates for appreciating life's small joys, rejecting societal pressures for success, and choosing a simple yet meaningful existence.

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China to Host World's First Human-Robot Marathon

2025-01-20
China to Host World's First Human-Robot Marathon

Beijing will host the world's first human-robot half-marathon in April, with dozens of humanoid robots competing alongside 12,000 human runners in a 21km race. This event showcases China's push to develop AI and robotics to address an aging population, declining birth rates, and compete with the US in technological advancement. Robots from over 20 companies will participate, with prizes awarded to the top finishers.

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Voxel Slugs on a Cube: An Interactive Animation

2025-01-20
Voxel Slugs on a Cube: An Interactive Animation

Artist Japhy Riddle created a captivating animation featuring three colored slugs navigating the edges of an invisible cube, never quite touching. Inspired by this, developer Matt Sephton built an interactive version using Love2D, allowing users to manipulate cube parameters and slug behavior. This interactive version not only replicates the charm of the original but expands its possibilities, such as increasing the number of slugs. Users can download and explore the possibilities themselves.

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Game gamedev

WordPecker: Personalized Language Learning with Duolingo-Style Lessons and Custom Vocabulary

2025-01-20
WordPecker: Personalized Language Learning with Duolingo-Style Lessons and Custom Vocabulary

WordPecker is a personalized language learning app that combines Duolingo-style lessons with your own curated vocabulary lists. Seamlessly add words from books, articles, or videos, and review them through interactive quizzes and LLM-generated lessons. The app tackles the pain points of vocabulary acquisition in traditional language learning by connecting learning to context, boosting efficiency and retention. Currently featuring multiple question types, future development includes progress tracking, list sharing, and more.

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Development

Frustration Tolerance: The Key to Surviving Large Organizations

2025-01-20
Frustration Tolerance: The Key to Surviving Large Organizations

In large organizations, ambitions often clash with reality. This article explores 'frustration tolerance,' a crucial factor determining success in navigating organizational complexities, conflicts, and slow progress. High frustration tolerance enables individuals to view challenges as manageable, while low tolerance leads to giving up, negativity, and burnout. Four root causes of low frustration tolerance are identified: demands for comfort, fairness, achievement, and emotional control. Reframing organizational friction as a catalyst for innovation allows for developing higher frustration tolerance and thriving in complex environments.

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ChatGPT Use Among Teens for Schoolwork Doubles

2025-01-20
ChatGPT Use Among Teens for Schoolwork Doubles

A new Pew Research Center survey reveals a significant increase in the number of teenagers using ChatGPT for school assignments. 26% of students aged 13-17 now utilize the AI chatbot for homework, double the 13% reported in 2023. Acceptance of ChatGPT varies depending on the task; 54% find it acceptable for research, but only 18% for essay writing. Many school districts have eased or lifted bans on ChatGPT, yet concerns remain regarding academic integrity and equitable access, particularly given the lack of regulation surrounding AI in schools.

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Education Education

Deep Earth Life: More Diverse Than We Thought

2025-01-20
Deep Earth Life: More Diverse Than We Thought

New research is reshaping our understanding of life's distribution on Earth. Scientists have discovered that the diversity of microbes deep beneath the surface rivals, and sometimes surpasses, that of rainforests and coral reefs. These microbes thrive in extremely low-energy environments, flourishing even at depths where energy supply is far lower than for surface organisms. Researchers suggest subsurface ecosystems may host more than half of all microbial cells. This finding not only deepens our understanding of Earth's life forms but also offers new perspectives on the search for extraterrestrial life.

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A Charango, a Father-Daughter Saga

2025-01-20
A Charango, a Father-Daughter Saga

This article explores the complex relationship between the author and her father, using a traditional Andean instrument, the charango, as a narrative thread. The father, a skilled musician, plays stories of love and violence, laughter and tears on the charango. The author recounts her father's strict teachings, the violence in the family, and his musical virtuosity, revealing the intertwined love and hate between father and daughter, and the author's exploration of her own identity.

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Misc music

Mixxx: Unleash Your Inner DJ with Free, Open-Source Software

2025-01-20
Mixxx: Unleash Your Inner DJ with Free, Open-Source Software

Mixxx is a free and open-source DJ mixing software application available for Windows, macOS, and Linux. Boasting powerful features such as BPM and key detection, sync lock, DJ controller support, effects, and even vinyl record control, Mixxx caters to DJs of all skill levels. Driven by a passionate international community of DJs and programmers, Mixxx is constantly updated and improved. The latest release, Mixxx 2.5, promises an even more exciting DJ experience.

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Alligator Eggs: A Game That Teaches Lambda Calculus

2025-01-20

In 2007, Bret Victor created "Alligator Eggs," a puzzle game that ingeniously translates the abstract concepts of lambda calculus into a playful game mechanic. Hungry alligators represent lambda abstractions, old alligators represent parentheses, and eggs represent variables. The process of alligators eating other alligator families corresponds to beta-reduction, the color rule corresponds to alpha-conversion, and the old alligator death rule corresponds to parenthesis elimination. Players solve a series of puzzles to gradually understand the core concepts of lambda calculus, such as beta-reduction and alpha-conversion. The game not only provides a fun way for children to learn lambda calculus but also offers an intuitive tool for understanding and calculating lambda calculus.

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Revolutionizing Race Timing: StoryTiming Demo

2025-01-20

StoryTiming reimagines race timing, prioritizing timing information and letting the race action follow. This demo, using data from the 2024 IMSA Rolex 24, showcases an innovative interactive experience. Users navigate the race effortlessly via keyboard shortcuts or mouse controls, viewing data through various perspectives, including a driver tracker overlay. Aimed at enhancing digital broadcasts, this project is the work of an independent software developer and is still under development.

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The Mathematical Magic Behind Undergraduate Divisibility Problems

2025-01-20
The Mathematical Magic Behind Undergraduate Divisibility Problems

This blog post explores the origin of common problems in undergraduate mathematics courses, such as proving that a polynomial is always a multiple of a certain integer. The author points out that these problems stem from combinatorial counting, specifically Pólya-Redfield counting. This method uses the orbit-counting formula under group action to connect the value of a polynomial to the counting of a certain combinatorial structure, ensuring the polynomial is always a multiple of a specific integer. The article uses two examples, bracelet counting and tic-tac-toe board counting, to explain how Pólya-Redfield counting is used to construct these problems. It also proposes a conjecture about whether all such polynomials originate from Pólya-Redfield counting.

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Indie Dev Uses C for a 2025 Commercial Game: A Postmortem

2025-01-20

Cowleyfornia Studios released their train management game, *Iron Roads*, in 2025, surprisingly written in pure C (C99) instead of C++. The choice stemmed from a desire for portability, simplicity, and most importantly, code clarity to manage memory allocation and performance. Prototypes in Haskell, Go, and Rust were explored, but ultimately C (approx. 40,000 lines of code) and Lua (approx. 8,000 lines for higher-level logic) were chosen. The developer found C's fast compilation and ease of optimization beneficial to the workflow, but admitted to challenges with serialization and boilerplate. While happy with the outcome, they are unlikely to repeat the process, leaning towards modern, higher-level languages that compile to C, like Nim, for future projects.

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Game

FOSDEM '25 Protest: Targeting Jack Dorsey and Block, Inc.

2025-01-20

A blogger is organizing a protest at FOSDEM '25 against Jack Dorsey and his company, Block, Inc., for their participation in the conference. The protesters argue that Dorsey's role in Twitter's sale and Block, Inc.'s business practices threaten the values of the open-source community. They plan a peaceful occupation of Dorsey's speaking slot on February 2nd to prevent his talk, emphasizing that the protest is not against FOSDEM itself. The aim is to improve FOSDEM's transparency and inclusivity, advocating for a more open decision-making process.

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Misc Protest
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