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Challenging the CAP Theorem: A Partial Progress Conjecture Under Asynchrony

2025-01-08

A new paper challenges the well-known CAP theorem. The authors conjecture that partial progress is possible under network partitions, meaning the system can remain responsive to a subset of clients and achieve non-zero throughput during failures. They present the design of their CASSANDRA consensus protocol, allowing partitioned replicas to order client requests, potentially offering a path to systems that are both consistent and available to some degree, even during partitions. This research offers a novel approach to building more robust distributed systems.

(arxiv.org)

Development CAP theorem consensus protocol

Jane Street Quant: From Math Competitions to AI-Driven Trading

2025-03-16

Jane Street Quant: From Math Competitions to AI-Driven Trading

In Young Cho, a quantitative trader at Jane Street, shares her unconventional career path from pre-med to quantitative trading. She recounts her experiences interning and working at Jane Street, including using programming languages like OCaml and VBA for trading and development, and humorous anecdotes about interacting with brokers. The episode delves into Jane Street's trading research, from simple linear models to complex deep neural networks, and how they leverage machine learning in low-data, high-noise environments subject to frequent regime changes. In Young Cho details the four stages of her research process: exploration, data collection, modeling, and productionization, and discusses the tension between flexible research tools and robust production systems. Finally, she offers a glimpse into the future directions of Jane Street's machine learning research, including expanding into more asset classes and data modalities, and leveraging AI to enhance trader efficiency.

(signalsandthreads.com)

AI

Mysterious Pyramid in the Amazon: Cerro El Cono

2025-05-07

Mysterious Pyramid in the Amazon: Cerro El Cono

Cerro El Cono, a 400-meter-tall, pyramid-shaped mountain in the Peruvian Amazon rainforest, stands as a geological enigma. Visible from the Andes on a clear day, its origins remain debated: an extinct volcano? An unusual rock formation? To local indigenous tribes, it's a sacred mountain, an 'Andean Apu.' The surrounding area is a biodiversity hotspot, threatened by illegal logging and mining despite the creation of the Sierra del Divisor National Park in 2015. The park, while vast, struggles to combat these ongoing threats.

(www.livescience.com)

Tech Geological Mystery Biodiversity

React's 5th Anniversary: From Internal Project to Open Source Superstar

2025-04-16

On React's fifth anniversary, this post looks back at its journey. From Facebook's internal projects BoltJS and FaxJS used for building complex web applications, to eventually becoming a functional UI library, React underwent multiple iterations and API refactoring. The post also covers the introduction of JSX, and Instagram's role in pushing React to open source. React's success wasn't overnight; it's a result of continuous team improvements and active community involvement.

(legacy.reactjs.org)

Development

Rust's Safety Traps: Even Safe Rust Isn't Foolproof

2025-04-06

Rust's Safety Traps: Even Safe Rust Isn't Foolproof

This article unveils common pitfalls in safe Rust code that the compiler misses. It covers integer overflows, type casting errors, array out-of-bounds issues, invalid states, sensitive data exposure, and more, providing solutions like checked arithmetic, TryFrom, the `get` method, and custom types. The author emphasizes that even with Rust's memory safety guarantees, developers need discipline, combining testing, linting, and fuzzing to build robust applications.

(corrode.dev)

Development

Neon Database Performance Debate: There's No Free Lunch

2025-07-05

Recently, there's been a lot of discussion on X/Twitter and by Planetscale's CEO regarding Neon database performance. The author points to a passage from *Project Hail Mary* highlighting that one system might be less efficient but far more scalable than another. This serves as a reminder that there's no silver bullet in distributed system design; both Neon and Planetscale excel in their own niches. While negativity and drama on X/Twitter attract attention, it's important to remember that there's no universally optimal solution.

(blog.alexoglou.com)

Development

Temporary Tariff Relief: Tech Faces New Semiconductor Tariffs

2025-04-14

Temporary Tariff Relief: Tech Faces New Semiconductor Tariffs

Commerce Secretary Howard Lutnick clarified that Friday night's exemption of electronics from recent tariffs is temporary. These items will face new "semiconductor tariffs" in a month or two, aimed at reshoring semiconductor and chip production and reducing reliance on Southeast Asia. Lutnick stressed this isn't a permanent exemption but a national security measure to ensure key technologies are made in America. He expressed optimism about trade negotiations with China and addressed VP Vance's controversial remarks about the Chinese people. He believes the tariffs will ultimately boost US manufacturing and not lead to higher prices.

(abcnews.go.com)

Tech

VLC Hits 6 Billion Downloads, Teases AI-Powered Subtitles

2025-01-09

VLC Hits 6 Billion Downloads, Teases AI-Powered Subtitles

The popular open-source media player VLC has surpassed 6 billion downloads. At CES 2025, VideoLAN showcased a new AI-powered subtitle system that generates and translates subtitles in real-time using locally-run open-source AI models. This eliminates the need for internet connectivity. While a release date wasn't announced, this innovative feature demonstrates VLC's continued commitment to free, ad-free, and cutting-edge technology.

(techcrunch.com)

Tech AI subtitles

Calypsi: A Cross-Platform Compiler Toolchain for Retro and Embedded Programming

2025-04-20

Calypsi: A Cross-Platform Compiler Toolchain for Retro and Embedded Programming

Calypsi is a series of C compiler and assembly language cross-compiler toolchains targeting the retro and hobbyist communities. The current release (5.10) supports MOS 6502, WDC 65816, Motorola 68000, and HP Nut (assembler and debugger only) targets, running on various Linux distributions, macOS, and Windows. Features include ISO C 99 compliance, a fully reentrant code model, support for various data types, optimizing compilation, and a source code debugger. The toolchain is closed-source but free for hobby use; the HP-41 Nut target uses a BSD license, allowing commercial use.

(github.com)

Development

Peephole Optimization in Ruby VM: Adding opt_respond_to

2024-12-31

Peephole Optimization in Ruby VM: Adding opt_respond_to

This is part four of a series on optimizing the Ruby Virtual Machine (VM). The author delves into adding an `opt_respond_to` instruction to CRuby to optimize `respond_to?` method calls. The article details using a debugger to trace code execution, locate the peephole optimizer `iseq_peephole_optimize`, and by analyzing an existing frozen array optimization, attempts to match the pattern of `respond_to?` method calls, laying the groundwork for adding a new optimization instruction. The author uses concise code examples and debugging steps to clearly illustrate the peephole optimization mechanism and how to debug within the CRuby source code.

(jpcamara.com)

Development VM Peephole Optimization

He Rewrote Everything in Rust – Then We Got Fired

2025-07-22

He Rewrote Everything in Rust – Then We Got Fired

A six-person team, using Node.js, Redis, AWS Lambdas, and MongoDB for microservices, was constantly firefighting due to performance bottlenecks. Kabir, the quietest member, proposed rewriting the image pipeline in Rust. Despite skepticism, he completed the rewrite solo. Post-launch, performance graphs soared, but a month later, the entire team was laid off. This story highlights that even significant technical improvements don't guarantee job security; company decisions often transcend technical merit.

(medium.com)

Development

Trading Places: A 30-Year-Old Con Explained

2025-04-24

Trading Places: A 30-Year-Old Con Explained

Thirty years after its release, the financial shenanigans in *Trading Places* are finally explained. The film's protagonists manipulated the frozen concentrated orange juice futures market using a fake crop report to trick their rivals into buying high. After the real report revealed a bountiful crop, they bought low, profiting immensely while their opponents went bankrupt. This scheme led to discussions about insider trading laws and the eventual creation of the 'Eddie Murphy Rule,' banning the use of government inside information for commodity trading.

(www.npr.org)

Misc futures trading

Text Adventure Development: Balancing Scope and Detail

2025-07-07

Developing text adventures requires careful scope management. The author recounts three attempts, starting with overly ambitious goals and progressively scaling down until finally completing a game. The article explores the dimensions of 'breadth' and 'detail' in text adventure design and the trade-offs between them. The author compares the detail-focused Lockout with the breadth-focused The Plot of the Phantom, analyzing the advantages and disadvantages of each style. Modern players tend to prefer detailed experiences. The author concludes by discussing the cost and time commitment of text adventure development and how managing scope is crucial for creating a fun game.

(entropicthoughts.com)

Game Text Adventure

China Retaliates With 34% Tariffs After Trump's Escalation

2025-04-04

China Retaliates With 34% Tariffs After Trump's Escalation

Following President Trump's imposition of a 34% tariff on all Chinese imports, China has retaliated with identical tariffs on all US imports, escalating the global trade war. The move sent shockwaves through global markets, causing a significant drop in US stocks. Beyond tariffs, China added 11 US companies to its 'unreliable entities list' and implemented export controls on rare earth minerals, further intensifying the conflict. Analysts predict severe consequences for both US and Chinese economic growth.

(edition.cnn.com)

Tech Global Economy

Precision in Management Communication: Why Your Words Matter

2025-04-08

Precision in Management Communication: Why Your Words Matter

This article highlights the critical importance of precise language in management. Vague phrases, like "you're doing well, but communication could improve," lead to inconsistencies in performance reviews. The author provides numerous examples across various scenarios, including performance evaluations, goal setting, and hiring, demonstrating how to replace ambiguous statements with specific data and actions. For instance, replace "always" with "consistently," and vague timelines like "soon" with concrete dates. The article emphasizes that written documentation forces more precise language, ultimately improving management effectiveness.

(staysaasy.com)

Management management skills

DJI Drops Geofencing: A Risky Gamble?

2025-01-15

DJI Drops Geofencing: A Risky Gamble?

DJI has removed its geofencing feature that previously prevented drones from flying over restricted areas like airports, wildfires, and the White House. This decision, made amidst growing US distrust of drones and following an incident where a DJI drone hampered wildfire fighting efforts, has sparked debate. While DJI argues it puts control back in the hands of operators and relies on Remote ID technology for enforcement, critics worry about increased safety risks and potential abuse. The move follows the FAA's lack of geofencing requirements and aligns with similar changes in the EU. The long-term impact on drone safety remains uncertain.

(www.theverge.com)

Tech geofencing

Fedora 43 Beta: A Sleek Upgrade with New Languages and Tools

2025-09-17

Fedora 43 Beta: A Sleek Upgrade with New Languages and Tools

Fedora 43 Beta is here, boasting improvements across the board. The installer gets a major overhaul with the Anaconda WebUI as the default, a switch to DNF5, and the removal of modular packages for a streamlined experience. Core development tools are updated, including GCC 15.2, glibc 2.42, and LLVM 21. Python 3.14, Go 1.25, Idris 2, and even the experimental Hare language are now supported. Database upgrades include PostgreSQL 18 and MySQL 8.4 as the default. GNOME moves entirely to Wayland, and font rendering is improved. Several deprecated components have been removed, paving the way for a cleaner, more modern Fedora experience.

(nerds.xyz)

Development

Google Cloud Outage: A Redpanda Cloud Survival Story

2025-06-21

Google Cloud Outage: A Redpanda Cloud Survival Story

On June 12th, 2025, a global Google Cloud Platform (GCP) outage, triggered by an automated quota update to their API management system, brought down a large swathe of the internet. Redpanda Cloud customers, however, remained unaffected. This post details Redpanda Cloud's response, highlighting how its cell-based architecture and SLA-focused design ensured stability. It analyzes the risks of the 'butterfly effect' in complex systems and stresses the importance of robust safety and reliability measures, such as closed-loop feedback control and phased rollouts. Redpanda Cloud's success stemmed from its decentralized architecture, high redundancy, and rigorous release process. While some luck was involved, this further underscores its resilience in the face of major cloud service failures.

(www.redpanda.com)

Tech

DeepSeek's smallpond and 3FS: Scaling DuckDB to Petabytes

2025-03-02

DeepSeek's smallpond and 3FS: Scaling DuckDB to Petabytes

DeepSeek AI has released smallpond and 3FS, designed to extend the DuckDB database to handle petabyte-scale datasets. smallpond is a lightweight distributed data processing framework enabling DuckDB to process data in parallel across multiple nodes, while 3FS is a high-performance parallel file system leveraging SSDs and RDMA networking for extreme throughput. However, deploying and using these tools is complex, requiring specialized hardware and DevOps expertise. For datasets under 10TB, a single-node DuckDB instance or simpler solutions are more efficient. Only when dealing with massive datasets do smallpond and 3FS show their advantages.

(www.definite.app)

Development high-performance storage

Massive Offshore Aquifer Discovered in the North Atlantic: A Potential Game Changer for Global Water Security?

2025-09-06

Massive Offshore Aquifer Discovered in the North Atlantic: A Potential Game Changer for Global Water Security?

Expedition 501, a multinational research project, has unearthed a massive freshwater aquifer under the North Atlantic seabed, potentially holding enough water to supply New York City for 800 years. Building on a serendipitous discovery in 1976, the expedition extracted tens of thousands of liters of water samples for analysis of their origin and usability. This discovery offers a potential solution to the growing global water crisis, but also raises challenges concerning ownership, sustainable extraction, and the impact on marine ecosystems. Further research will determine the water's age and suitability for consumption.

(apnews.com)

Tech freshwater resources

Single-Header C++ Profiler: utl::profiler

2025-04-14

Single-Header C++ Profiler: utl::profiler

utl::profiler is a single-header C++ profiling library that uses simple macros to measure the execution time of code segments and automatically builds a call graph. The library boasts features like customizable style options, thread safety, and support for detached threads. It significantly reduces overhead by using x86 intrinsics. The library also supports custom styling and exporting results to a file.

(github.com)

Development Single-Header Library

Distro (YC) Hiring a Business Development Representative

2025-01-02

Distro (YC) Hiring a Business Development Representative

Distro, a Y Combinator-backed AI platform assisting sales reps at industrial wholesale distributors, is hiring a Business Development Representative. The role requires 2-3 years of BDR/sales associate experience in vertical SaaS, CRM and marketing tools proficiency, and event management experience. Responsibilities include lead generation, qualification, pipeline advancement, demo management, and CRM maintenance. Benefits include medical, dental, and vision insurance.

(www.ycombinator.com)

Startup

Crafting Immersive Text Adventures

2025-09-18

Welcome to the world of text adventures! This channel explores the creation of interactive stories where player choices shape the narrative. Whether you're a developer, a retro gaming enthusiast, or simply curious, join the journey. Learn tips and tricks, follow updates on the latest text games, and discover how to craft compelling worlds and mysteries, one line of code at a time. Get ready to build your own text adventure!

(the-ventureweaver.itch.io)

Game

AI Music: The Silent Revolution Sweeping the Charts

2025-09-01

AI Music: The Silent Revolution Sweeping the Charts

Forget guitars and keyboards; a new wave of music creation is here, driven by AI. Oliver McCann, using the stage name imoliver, proves that musical talent isn't a prerequisite for chart success. His AI-generated tracks have garnered millions of streams, leading to a record deal—a first for an AI musician. This rise of AI music tools, however, has sparked a flurry of copyright lawsuits from major record labels. Simultaneously, AI's democratizing effect is empowering hobbyists, who are using it to create music at an unprecedented scale. Despite controversies over quality and ownership, the potential of AI music to reshape the industry is undeniable.

(apnews.com)

Tech

Hotspot: A slick GUI for Linux perf performance analysis

2025-05-22

Hotspot: A slick GUI for Linux perf performance analysis

KDAB has developed Hotspot, a standalone GUI for performance data analysis, initially focusing on visualizing Linux perf data in a KCachegrind-like interface. It offers graphical visualization, timeline filtering, and the ability to launch perf to profile applications. Available as an AppImage for easy cross-distribution use, or via package managers (AUR, Debian, Ubuntu, Fedora), Hotspot allows users to analyze on-CPU and off-CPU time, exporting data for sharing. While not yet feature-complete, Hotspot simplifies Linux performance analysis.

(github.com)

Development

GCC 15.1: A Sneak Peek at C++26 Features

2025-04-25

GCC 15.1: A Sneak Peek at C++26 Features

GCC 15.1, expected in April or May 2025, boasts numerous C++ improvements. Key highlights include C++26 features like pack indexing, attributes for structured bindings, enhanced support for `=delete` functions, and more. The release also addresses numerous bug fixes, improves module support, and offers compile-time speed enhancements. Other notable additions are constexpr placement new, fixes for range-based for loops, earlier diagnosis of qualified lookup failures, and new warning options. GCC 15.1 promises significant efficiency gains and enhanced capabilities for C++ developers.

(developers.redhat.com)

Development

Male Blue-Lined Octopus Uses Venom to Conquer Mates

2025-03-16

Male Blue-Lined Octopus Uses Venom to Conquer Mates

A groundbreaking study reveals a unique mating strategy in the blue-lined octopus (Hapalochlaena fasciata): males inject females with tetrodotoxin during mating, temporarily paralyzing them to avoid being cannibalized. This differs from other species' use of venom for hunting or defense; it's a unique reproductive application. Researchers observed males precisely biting near the females' aorta to inject the venom. While deadly to most animals, females have evolved resistance, ensuring successful mating. Male venom glands are significantly larger, suggesting a need to overcome female resistance. This study highlights an evolutionary arms race between sexes for reproductive success.

(www.newscientist.com)

Tech octopus venom mating

Chatham House Rule: The Bay Area's Embrace of Silence

2025-01-11

Chatham House Rule: The Bay Area's Embrace of Silence

From healthcare conferences to AI salons and even dinner parties, the archaic Chatham House Rule—prohibiting attribution of information to speakers or disclosure of attendees' identities—is surging in popularity across the San Francisco Bay Area. Fueled by the tech industry's obsession with secrecy, its widespread use is sparking debate. Proponents argue it fosters candid discussion, particularly on sensitive topics. Critics, however, contend it obscures accountability and weakens the impact and authenticity of speech. The article explores the phenomenon of the Chatham House Rule's prevalence in the Bay Area and its complex implications.

(sfstandard.com)

Tech Chatham House Rule Tech Secrecy Bay Area Culture

Taming Your Amnesiac LLM Coding Assistant: The Ultimate Cursor Rules Trick

2025-04-14

Taming Your Amnesiac LLM Coding Assistant: The Ultimate Cursor Rules Trick

Using LLMs like Cursor for coding is fantastic, but they have a quirk: they forget everything between sessions. This means constantly reminding the AI about your coding conventions, project structure, and preferences. The solution? A meta-rule. Create a template rule that guides the AI in creating other, project-specific rules. This systematizes your knowledge transfer, saving time and ensuring consistency across your projects. This small upfront investment in creating a meta-rule pays off massively in the long run.

(www.adithyan.io)

Development

Haskell: A Love-Hate Relationship with Functional Programming

2025-06-06

The author implemented a small program in Haskell, Common Lisp, and Smalltalk to compare programming experiences in different languages. The result? A surprising discovery that their affection for Haskell is independent of its practicality. Instead, it stems from the unique feeling of using Haskell—its code is concise, elegant, and feels more like a set of composable actions rather than mere arithmetic. The author contrasts the code implementations in the three languages, delves into their programming style and its compatibility with Haskell, and reflects on their dependence on the compiler. While acknowledging Haskell's imperfections, the author still enjoys the conciseness and efficiency Haskell provides, and looks forward to exploring more effective programming approaches.

(storytotell.org)

Development language comparison

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