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20-Year-Old AI Prodigy Henrique Godoy: Latin America's Fintech Pioneer

2025-06-12

20-Year-Old AI Prodigy Henrique Godoy: Latin America's Fintech Pioneer

Henrique Godoy, a 20-year-old Brazilian mathematical prodigy, is revolutionizing AI in Latin America. At 15, he was the youngest student ever admitted to the University of São Paulo's elite mathematics program. He later secured a substantial scholarship to study computer science, achieving a top 200 ranking in the Brazilian University Mathematics Olympiad. Godoy pioneered the first successful Large Language Model (LLM) implementation in Latin American investment banking, and founded Doki, a fintech platform managing over R$10 million for medical professionals. His work has garnered over 500 citations, showcasing his significant contributions to AI and fintech. Godoy's exceptional achievements position him as a leading figure in the future of AI.

(enigmasimulator.com)

AI

Storing Times for Human Events: Best Practices and Challenges

2024-12-12

Storing Times for Human Events: Best Practices and Challenges

This blog post discusses best practices for storing event times on event websites. The author argues that directly storing UTC time loses crucial information, such as the user's original intent and location. A better approach is to store the user's intended time and the event location, then derive the UTC time. Examples like user error, international timezone adjustments, and the 2007 Microsoft Exchange DST update illustrate the importance of storing the user's intended time. The author recommends designing a clear and user-friendly interface to help users accurately set event times and locations, emphasizing the importance of maintaining the user's original intent to avoid errors caused by timezone changes.

(simonwillison.net)

Development time storage timezone user experience event management

Singular vs. Plural Database Table Names: The Case for Singular

2025-09-09

A common debate in database design revolves around whether table names should be singular or plural. While plural names (e.g., `users`) seem intuitive, the author argues that singular names (e.g., `user`) offer significant advantages. Singular names improve readability in SQL joins and prevent inconsistencies with ORMs that automatically pluralize names. Maintaining singular names ensures schema consistency and avoids potential naming conflicts.

(www.teamten.com)

Development

Tencent's Hunyuan-T1: Redefining Reasoning Efficiency with the First Mamba-Powered Ultra-Large Model

2025-03-22

Tencent unveiled Hunyuan-T1, the latest addition to its Hunyuan large model series. Built upon TurboS, the world's first ultra-large-scale Hybrid-Transformer-Mamba MoE large model, Hunyuan-T1 boasts significantly enhanced reasoning capabilities and improved alignment with human preferences after extensive post-training. Compared to its preview version, Hunyuan-T1 shows a substantial performance boost, doubling its decoding speed. It achieves comparable or slightly better results than R1 on various public benchmarks, and outperforms R1 in internal human evaluations, particularly in cultural and creative instruction following, text summarization, and agent capabilities. This release marks a significant advancement in leveraging reinforcement learning for post-training optimization of large language models.

(tencent.github.io)

AI

Node.js Enables --experimental-strip-types by Default, Enhancing TypeScript Support

2024-12-26

Node.js Enables --experimental-strip-types by Default, Enhancing TypeScript Support

A significant update to Node.js enables the `--experimental-strip-types` flag by default. This means developers can now execute TypeScript files without additional configuration. The change aims to improve TypeScript support and catch more bugs. While still experimental, this marks a major step towards simpler TypeScript development in Node.js, offering developers a more streamlined experience.

(github.com)

Development Development

The Spectacular Failure of Britain's Land Value Tax: A Cautionary Tale

2025-03-13

The Spectacular Failure of Britain's Land Value Tax: A Cautionary Tale

In the early 1900s, the British Liberal Party attempted to implement a land value tax, inspired by Henry George's theories, to solve local government funding crises. However, the initiative proved disastrous. Complex calculations, high administrative costs, and a crippling blow to the construction industry led to its repeal. The episode serves as a cautionary tale about the practical challenges of implementing a pure land value tax and the importance of considering administrative realities and economic impacts.

(worksinprogress.co)

Tech land value tax British history

Adaptable Text Editor 'ad': Blending Vim and Acme

2024-12-18

Adaptable Text Editor 'ad': Blending Vim and Acme

ad is a novel text editor that combines the modal editing interface of Vim and Kakoune with the extensibility approach of Plan9's Acme. ad allows users to execute text and serves as a playground for experimenting with implementing various text editor features. Currently, ad is stable enough and feature-complete enough to try out, though documentation is sparse and bugs may exist. ad's design philosophy blends Vim's modal editing, Emacs's mini-buffer, and Acme's editing commands and extensibility, aiming for a comfortable editing environment that supports direct interaction with external tools and programs.

(github.com)

Development text editor modal editing extensibility

Astronaut Captures Rare Gigantic Jet from ISS

2025-08-18

Astronaut Captures Rare Gigantic Jet from ISS

NASA astronaut Nichole Ayers captured a stunning image from the International Space Station, revealing a gigantic jet, a rarer phenomenon than sprites, a type of Transient Luminous Event (TLE). Gigantic jets are powerful electrical discharges extending from thunderstorm tops into the upper atmosphere, requiring specific turbulent conditions to form. Unlike sprites, which form higher in the atmosphere after lightning strikes, gigantic jets erupt directly upwards from the thundercloud top, creating an electrical bridge between the cloud and upper atmosphere. This discovery provides valuable data for studying atmospheric electricity.

(science.nasa.gov)

Tech gigantic jet transient luminous event atmospheric physics

SAT Solver Etudes I: A Deep Dive into Boolean Satisfiability

2025-01-08

This blog post explores the fascinating world of SAT solvers, tracing their evolution from simple brute-force approaches to sophisticated algorithms like Davis-Putnam and Conflict-Driven Clause Learning (CDCL). It compares different techniques, highlighting recent advancements such as congruence closure, clausal equivalence sweeping, and bounded variable addition that have dramatically improved performance. The author provides Python code examples illustrating brute-force, Davis-Putnam-based, and given-clause-loop solvers. The post also touches upon partial evaluation techniques and future research directions, making it a compelling read for anyone interested in the intricacies of Boolean satisfiability.

(www.philipzucker.com)

AI SAT solver

From Chaos to Collaboration: Using Claude Code for Enhanced Software Design

2025-08-24

Initially, the author used Claude Code with a naive, direct-instruction approach, leading to inefficiencies and errors. As tasks grew complex, limitations emerged: conversations lost crucial information, and context limits impacted code quality. The author switched to a plan-driven approach, using Claude Code to create a plan document serving as the single source of truth. Each development phase starts with a fresh conversation, the plan document providing all necessary context. This 'living document' approach enables Claude Code to update the plan during implementation, solving context limitations and improving code reliability. The result is increased efficiency and improved design skills for the author.

(betweentheprompts.com)

Development software development process

Building Bolt: My Journey to a Production-Ready Compiler

2025-01-24

Building Bolt: My Journey to a Production-Ready Compiler

This post, the first in a series, details the author's experience building Bolt, a Java-style concurrent object-oriented programming language. It outlines the motivation behind creating a compiler, explaining the process using the analogy of a telegraph operator translating speech into Morse code. The author covers key compiler stages like lexing, parsing, type checking, and code generation, highlighting Bolt's advanced features such as objects, classes, inheritance, method overriding, concurrency, and generics. The article discusses static vs. dynamic typing and the role of LLVM, explaining how Bolt compiles to LLVM IR for optimization and machine code generation. Unique to Bolt is its double type-checking phase ensuring concurrent safety. The series promises a practical tutorial on building a compiler beyond toy languages.

(mukulrathi.com)

Development

Network Security Breakthrough: Trapping Intruders in a 'Network from Hell'

2024-12-17

Network Security Breakthrough: Trapping Intruders in a 'Network from Hell'

Researchers at the University of Oulu's SensorFu team have developed a novel network security defense system inspired by the LaBrea tarpit technique. The system intercepts ARP requests and delays SYN-ACK responses, creating a multitude of virtual devices on the network to confuse intruders. This forces attackers to waste significant time identifying real devices, providing administrators with crucial time to patch vulnerabilities. Tests showed the system extends scan times to hours, drastically reducing attack success rates. Lightweight, efficient, and easy to deploy, this system offers robust network protection for organizations of all sizes.

(medium.com)

Development intrusion detection proactive defense

My Programming Habits Have Changed Thanks to Claude Code: Farewell Python, Hello Type Safety

2025-08-04

My programming habits have drastically changed since using Claude Code. For over 10 years, Python was my go-to language, but now I'm comfortably managing projects in TypeScript, Rust, and Go, even though I'm not fully fluent in them. The safety guarantees of typed, compiled languages make them surprisingly well-suited for 'vibe coding,' a style I previously associated solely with Python. Paradoxically, with larger projects, Claude Code combined with languages like Rust is faster and safer than with Python, purely due to AI-assisted development. For example, refactoring large parts of our TypeScript frontend code, Claude Code's integration with tsc ensures compile-time safety, letting me make substantial changes (3-5k lines) in hours without breaking anything. While LLMs aren't perfect, they offer the speed of Python prototyping without its drawbacks, leading me to predict decreased Python adoption in production deployments.

(solmaz.io)

Development

Grandma's Recipes Ruined: Betty Crocker Mixes Shrink Again

2025-09-15

Grandma's Recipes Ruined: Betty Crocker Mixes Shrink Again

Betty Crocker cake mix reductions have sparked outrage among home bakers, particularly grandmothers. The decrease from 15.25 ounces to 13.25 ounces significantly impacts long-standing family recipes. Beloved cookies and cakes now yield fewer, inferior results, threatening cherished traditions. This isn't just shrinkflation; it's a blow to family heritage and baking legacies.

(www.cubbyathome.com)

Misc cake mix shrinkflation

Software Rot: Is It the Software or the Environment?

2025-08-06

Software rot is generally attributed to software degradation due to a changing environment. A program from a decade ago might not work with newer libraries due to incompatibility. A better approach focuses on the reliability of the software's dependencies. Building on stable platforms like DOS or NES, with static specifications, avoids constant maintenance. Conversely, software built for constantly evolving platforms like Linux may cease to function after a decade or two, requiring extensive media archaeology to restore.

(permacomputing.net)

Development software rot platform compatibility

Unraveling the Math Behind NYT's Daily Word Game 'Waffle'

2025-01-17

A paper on arXiv explores the mathematics behind the New York Times' daily word game, Waffle. Author S.P. Glasby delves into the combinatorial properties of the game, explaining why some puzzles are easy while others are exceptionally difficult. The research reveals that a perfect solution requires precisely 11 orbits among the 21 squares, with at least one orbit of length 1. This provides a mathematical framework for understanding and potentially improving similar word puzzles.

(arxiv.org)

Game

Dissecting a Romance Scam: Social Engineering and Technical Details

2025-03-14

Dissecting a Romance Scam: Social Engineering and Technical Details

The author, acting as a mark, investigated an elaborate romance scam. The scammer, using social engineering, created a fictitious persona, "Aidana," a dentist in Kazakhstan, employing stolen photos and forged documents to manipulate victims. The analysis details the scammer's communication tactics, technical tools (like The Bat! email client and Photoshop), and psychological manipulation. The author reveals the scam's mechanics and warns readers about similar schemes.

(www.bentasker.co.uk)

Tech Romance Scam

Why Your iPhone Photos Don't Make for Great Prints

2025-07-30

Ever wonder why you rarely see smartphone photos printed and framed? This article explains why. By comparing iPhone photos to those from a professional camera, the author highlights several key differences. iPhone's fisheye lens creates distortion, especially noticeable in body posture and facial features. The computational photography attempts to brighten everything, sacrificing crucial facial details and shadow accuracy. The background blur (bokeh) is also far less natural and pleasing than that produced by professional cameras. In short, while convenient, iPhone photos lack the detail and realism suitable for prints and framing.

(candid9.com)

Design image quality

Logic for Programmers: A Gentle Introduction to Sequent Calculus

2025-01-22

This post, the first in a series on logic, introduces sequent calculus as a powerful system for reasoning. Using Gentzen's notation, the author explains how to represent logical inferences symbolically, covering inference rules, derivation trees, and metavariables. The article compares sequent calculus, sequent natural deduction, and natural deduction, and touches upon one-sided sequent calculus and intuitionistic logic. Finally, it briefly introduces proof terms in intuitionistic logic and their connection to simply-typed lambda calculus.

(ryanbrewer.dev)

Development Logic Sequent Calculus Type Theory

Open-Source 16mm Film Projector: LaborBerlin's Journey

2025-06-21

The LaborBerlin team is developing a state-of-the-art, open-source 16mm film projector to address the challenges of aging equipment, limited flexibility, and archival projection needs. Their approach leverages readily available projector mechanisms and lenses, incorporating a modular design, open-source technologies, and commonly available parts. After disassembling and analyzing various vintage projectors, the team successfully tested an 800W high-brightness LED light source with a water-cooling system, overcoming a major hurdle in lamp upgrades. Following feedback at the ALUD festival, they resolved flickering issues. The resulting prototype boasts superior brightness and clarity compared to traditional xenon lamp projectors.

(www.filmlabs.org)

Hardware film projector LED projection

My Experience with Claude 3.6: A Quantum Leap in AI Assistance

2025-01-02

Since Anthropic released Claude 3.6, my usage has skyrocketed. It's a significant improvement across the board, particularly in accuracy and reliability. I analyzed my usage data, showing a multi-hundred percent increase in conversations, messages, and words inputted. Claude helps me solve problems, from overcoming anxiety and decision paralysis to sparking creativity in exploring ideas, coding, and writing. It's even fun to interact with, like conversing with a brilliant scholar. Claude 3.6 is more than a tool; it's a highly capable partner that boosts productivity and expands horizons.

(borretti.me)

AI Productivity Tool

Thermodynamic Model Unveils Gold's Journey to Earth's Surface

2024-12-27

Thermodynamic Model Unveils Gold's Journey to Earth's Surface

Researchers have used a thermodynamic model to explain how gold deposits are formed in volcanic settings. The model reveals the crucial role of a previously unconfirmed gold-trisulfur complex (Au-S3). Under specific mantle pressures and temperatures, this complex efficiently transfers gold from the mantle into magma, ultimately leading to its surfacing through volcanic activity. This finding explains the high gold concentrations in certain subduction zone ore deposits and has significant implications for gold exploration.

(phys.org)

Tech gold formation thermodynamic model mantle magma

eBPF Pitfall: The FRED in Linux Kernel 6.9+

2025-03-01

The Linux kernel 6.9+ introduces CONFIG_X86_FRED on x86_64, adding 16 bytes of padding to the bottom of a task's kernel stack. This breaks eBPF programs directly accessing the kernel stack and pt_regs, returning garbage. The author encountered this issue with their xcapture-next eBPF tool after upgrading to kernel 6.11. Analysis revealed FRED's stack offset as the culprit. A dynamic FRED detection mechanism is presented to adjust stack address calculations, resolving the problem. This article is crucial for eBPF developers, especially those working with raw kernel stack manipulation.

(tanelpoder.com)

Development

Conquering the StarCraft: Brood War Translation Barrier with LLMs and Open Source

2025-01-17

Conquering the StarCraft: Brood War Translation Barrier with LLMs and Open Source

A StarCraft: Brood War (BW) player tackled a long-standing community problem: translating Korean-language strategic analyses and commentary videos. BW's culture is heavily rooted in Korea, creating a significant barrier for non-Korean speakers. The author cleverly combined Whisper for transcription, Google Colab's free GPU resources, and ChatGPT for translation, alongside a custom userscript. This dramatically improved translation speed and accuracy, solving the 'Foreigner Knowledge' problem and making Korean-language BW insights accessible to a wider audience.

(blog.sourcedive.net)

Game StarCraft Game Translation

Website Requires JavaScript

2024-12-12

This website requires JavaScript to function correctly. Please enable JavaScript in your browser settings.

(mouseless.click)

Misc website error browser settings

Homegrown Lexical Closures in a Lisp-like uxn Environment

2025-06-19

The author describes niënor, a Lisp-like environment for the uxn virtual machine, focusing on its innovative approach to implementing lexically scoped closures. Instead of the complex approach of copying functions and replacing unbound variables at runtime, niënor cleverly adds environment variables as parameters to lambda functions at compile time. At runtime, a wrapper function (portal) is generated to pass these environment variables. This avoids runtime code generation and complex address calculations, providing an efficient and elegant solution for closures. The system also includes `malloc` and `free` for dynamic memory management of these closures.

(krzysckh.org)

Development

GitHub CEO's AI Claims: Fabricated Data or Something Else?

2025-08-09

GitHub CEO's AI Claims: Fabricated Data or Something Else?

The GitHub CEO's recent blog post urging developers to embrace AI or face obsolescence is riddled with logical fallacies and inflated data. The author draws parallels to Soviet-era data manipulation, highlighting the study's minuscule sample size, lack of representativeness, and unreliable conclusions. The 'study' claims AI boosts developer ambition rather than saving time, contradicting the common narrative of increased efficiency, raising questions about its authenticity and motives.

(nibblestew.blogspot.com)

Development

Crystal Macros: Compile-Time Code Generation Powerhouse

2025-01-14

Crystal 1.15.0's macro system enables compile-time code execution, significantly extending the language's capabilities. The `Crystal::Macros` module offers a rich set of functions, including `read_file` for reading file contents, `run` for executing external programs, `env` for getting environment variables, and even version comparison and type parsing. These features empower developers to perform complex preprocessing tasks at compile time, such as dynamically generating code based on platform or environment, improving development efficiency and code maintainability. This is a powerful tool for building highly customized applications and libraries.

(crystal-lang.org)

Development Macros

The Death of Microsoft: How Google, Ajax, and Apple Killed a Giant

2025-02-04

In 2007, the author realized Microsoft was no longer the fearsome software giant it once was. The rise of Google, the emergence of web-based Ajax technology, the proliferation of broadband internet, and Apple's resurgence all contributed to Microsoft's decline. While still profitable, Microsoft lost its dominance, its closed strategy and slow response to new technologies costing it the opportunities of the Web 2.0 era. The author argues that Microsoft's 'death' wasn't sudden but a result of multiple factors, its biggest weakness being its clinging to the traditional desktop software model and failure to embrace the new technologies and business models of the internet age.

(www.paulgraham.com)

Tech

Scream Cipher: A Novel Use of Unicode Characters

2025-09-20

Scream Cipher: A Novel Use of Unicode Characters

This article introduces a fun cryptographic algorithm – the "Scream Cipher" – that leverages the numerous variations of the Unicode character 'A' to encrypt text. A simple dictionary mapping substitutes standard letters with different 'A' characters for encryption and decryption. Python code demonstrates the algorithm's implementation, successfully encrypting and decrypting the sample text "SCREAM CIPHER." This showcases the richness of the Unicode character set, offering a unique, albeit simple, encryption method.

(sethmlarson.dev)

Development

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