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Active-Active Replication for PostgreSQL: pgactive Extends the Possibilities

2025-07-16

Active-Active Replication for PostgreSQL: pgactive Extends the Possibilities

pgactive is a PostgreSQL extension enabling active-active database replication. Unlike traditional active-standby setups, pgactive allows writing to multiple database instances simultaneously, boosting availability, reducing write latency, and simplifying blue/green deployments and data migrations. Leveraging PostgreSQL 10's logical replication capabilities, pgactive addresses conflict resolution and sequence management, offering a robust solution for building highly available, multi-region database clusters.

(github.com)

Development

Ruby's Singleton Class: A Deep Dive

2025-01-31

This article delves into Ruby's singleton class, a crucial feature for its object-oriented semantics, despite lacking an official name for years. It explains that a singleton class isn't truly a singleton or a class, but rather an elegant solution to the problem of attaching methods to a specific class in a purely object-oriented language. The article compares solutions in Python and Smalltalk, detailing Ruby's mechanism for implementing class methods using singleton classes, including three syntaxes for defining singleton class methods. Finally, it explores why Ruby chose this approach, highlighting the consistency and importance of singleton classes within Ruby's object-oriented system.

(noelrappin.com)

Development Singleton Class

Jujutsu: A Rust-Based VCS That Reimagines Git's Workflow

2025-02-04

Jujutsu: A Rust-Based VCS That Reimagines Git's Workflow

Jujutsu, a novel version control system written in Rust, offers a streamlined and powerful alternative to Git. This article explores Jujutsu's core concept: mutable changes, showcasing how this feature simplifies workflows. It explains how to easily undo operations, seamlessly handle conflicts, and efficiently manage large changes. Jujutsu integrates seamlessly with Git, acting as a powerful frontend while retaining compatibility. The article details efficient work patterns, such as using `jj new` and `jj edit` for change management, and employing revset expressions for flexible version history manipulation. Jujutsu provides a more elegant and efficient version control experience.

(kubamartin.com)

Development

Declarative Tkinter UI Library for Python: tkintergalactic

2025-05-05

Declarative Tkinter UI Library for Python: tkintergalactic

tkintergalactic is a declarative Tkinter UI library for Python, inspired by React's virtual DOM approach. It's well-typed, closely maps to underlying Tcl/Tk for easy debugging, and boasts zero dependencies. While still incomplete, its small size makes it easy to understand. Examples demonstrate creating simple windows, buttons, text boxes, and lists, using the packer layout manager. Future improvements include a more efficient diffing algorithm, enhanced state management, and support for more complex UI elements.

(github.com)

Development

AI Visualization: Similar City Road Networks

2024-12-15

AI Visualization: Similar City Road Networks

The website similar-cities uses AI to visualize the relationships between cities by comparing the similarities of their road networks. It employs a unique 'drunkard's walk' algorithm, calculating the similarity of random paths within the road networks to assess structural similarity. Data is sourced from OpenStreetMap, encompassing roughly 2500 cities. The project is open-source, providing detailed algorithm explanations and code, and welcomes more city data for improved accuracy.

(github.com)

AI Visualization Road Networks

Critical Vulnerability Found in ToDesktop Build Container

2025-02-28

A security researcher, investigating the installer for the AI text editor Cursor, uncovered a critical vulnerability in ToDesktop, the Electron app bundler service it relies on. Through reverse engineering and exploitation, the researcher gained complete control of ToDesktop's build container and access to its Firebase database, including sensitive keys for signing and uploading applications. This allowed for the potential deployment of malicious updates to millions of users, resulting in Remote Code Execution (RCE). ToDesktop responded swiftly, patching the vulnerability and acknowledging the researcher's contribution. The incident highlights the ongoing need for vigilance and improvement in software supply chain security.

(kibty.town)

Tech Supply Chain Security Vulnerability Exploitation

LEGO Island Web Port: A Classic Returns

2025-06-23

LEGO Island Web Port: A Classic Returns

A year-long effort by countless dedicated contributors has brought LEGO Island, the classic 1997 PC game, to the web! This web port, powered by Emscripten, allows modern browsers to play this nostalgic title. Built upon the foundation of a previous decompilation project, this adaptation strives to make this piece of gaming history accessible to everyone. While still under development and containing potential bugs, your feedback is welcome as we work to polish this cherished classic.

(isle.pizza)

Game game port

Goravel: A Laravel-inspired Go Web Framework

2025-03-09

Goravel: A Laravel-inspired Go Web Framework

Goravel is a full-featured, highly scalable Go web application framework designed to help Go developers quickly build applications. Its design philosophy mirrors Laravel's, easing the learning curve for PHP developers. The project is open-source and welcomes stars, pull requests, and issues! Goravel boasts a rich feature set including HTTP authentication and authorization, ORM, migrations, logging, caching, gRPC, Artisan console, task scheduling, queues, file storage, mail, validation, mocking, hash cryptography, Carbon package integration, development and testing tools, localization, and sessions. Documentation and example projects are available; contributions to the documentation and development are encouraged.

(www.goravel.dev)

Development

Igatha: Open-Source Offline SOS for Disaster Zones

2025-04-01

Igatha: Open-Source Offline SOS for Disaster Zones

Igatha is an open-source app designed for emergency communication in war zones and disaster areas. Using Bluetooth Low Energy (BLE), it broadcasts and scans for SOS signals, estimates distance, and operates entirely offline. It features automated disaster detection. Open-sourced for transparency and community contribution, Igatha welcomes bug reports, translations, and feature enhancements.

(github.com)

Development emergency SOS offline communication

The Cult of Nan Shepherd: A Posthumous Rise

2025-01-21

The Cult of Nan Shepherd: A Posthumous Rise

This article explores the fascinating posthumous rise of Scottish writer Nan Shepherd. Through personal anecdotes, letters, and a backdrop of societal shifts in Aberdeenshire, the author traces Shepherd's journey from relatively unknown author to celebrated nature writer. The piece contrasts Shepherd's unique teaching style with the later, almost cult-like, appreciation of her work, particularly *The Living Mountain*, highlighting the complexities of legacy and the evolving interpretations of her life and writing. The author also reflects on the tension between Shepherd's personal life and the romanticized image now associated with her.

(www.lrb.co.uk)

Misc Scottish Literature

Baba Yaga: A Minimalist Functional Programming Language

2025-08-30

Baba Yaga: A Minimalist Functional Programming Language

Driven by an aesthetic pursuit of programming languages, the author developed Baba Yaga, a functional programming language. Core features include minimalist syntax, immutability, and a functional-first approach, with pattern matching for control flow. It blends familiar functional programming concepts for ease of use, includes built-in utilities, and offers JavaScript interoperability, aiming for use in games, sketches, and live coding.

(eli.li)

Development

NASCAR's Next Gen: How 3D Printing is Revolutionizing Race Car Design

2025-02-12

NASCAR's Next Gen: How 3D Printing is Revolutionizing Race Car Design

NASCAR's Next Gen platform utilizes 3D printing, specifically additive manufacturing by Stratasys, to create custom race car parts. This allows for greater design freedom and faster iteration compared to traditional subtractive methods like CNC machining. Stratasys provides parts like ducts, covers, and brackets, significantly reducing costs and lead times. The partnership with Joe Gibbs Racing highlights the advantages of 3D printing for rapid prototyping and problem-solving, exemplified by the quick creation of a custom fixture for a problematic tube. The faster, cheaper, and less skill-intensive nature of 3D printing gives NASCAR teams a significant competitive edge.

(www.popsci.com)

Tech Additive Manufacturing

ViTs vs. CNNs: Speed Benchmarks Shatter Resolution Myths

2025-05-04

This article challenges the common belief that Vision Transformers (ViTs) are inefficient for high-resolution image processing. Through rigorous benchmarking across various GPUs, the author compares the inference speed, FLOPs, and memory usage of ViTs and Convolutional Neural Networks (CNNs). Results show ViTs perform exceptionally well up to and including 1024x1024 pixels, often outperforming CNNs on modern hardware in both speed and memory efficiency. The author also argues against an overemphasis on high resolution, suggesting that lower resolutions are often sufficient. Finally, the article introduces local attention mechanisms, further enhancing ViT efficiency at higher resolutions.

(lucasb.eyer.be)

AI

VS Code Extension: Auto Add async/await Keywords

2025-05-05

VS Code Extension: Auto Add async/await Keywords

This VS Code extension automatically adds missing `async/await` keywords when you save a TypeScript file. A `tsconfig.json` file is required in your project folder. The extension intelligently adds `async` and `await` keywords to ensure asynchronous functions run correctly. To prevent `await` from being added to a specific asynchronous function, add the comment `// no-await` at the end of the function call. The first conversion might be slow, but subsequent conversions will be faster.

(github.com)

Development

Boeing and FAA Whistleblower System Fails, Leaving Reporters in Limbo

2024-12-30

Boeing and FAA Whistleblower System Fails, Leaving Reporters in Limbo

This article exposes the critical flaws in the whistleblower system at Boeing, its supplier Spirit AeroSystems, and the Federal Aviation Administration (FAA). Numerous whistleblowers report safety concerns at great personal and professional risk, yet the FAA finds no violations in over 90% of cases. This leaves whistleblowers facing retaliation, unemployment, and emotional distress; some have even died as a result. The article uses several whistleblowers' experiences to highlight the system's lack of independence and inadequate protection, calling for reform to ensure aviation safety and protect whistleblower rights.

(www.seattletimes.com)

Tech whistleblower protection Boeing

Calculator Puzzle: Four-Digit Numbers Always Divisible by 11?

2025-01-03

Calculator Puzzle: Four-Digit Numbers Always Divisible by 11?

A blog post presents a mathematical puzzle involving a standard calculator keypad. The puzzle challenges players to press four digit keys forming the corners of a square or rectangle, creating a four-digit number. The post elegantly proves that regardless of the chosen square or rectangle, the resulting four-digit number will always be divisible by 11. Multiple proof methods, including algebraic and pattern-based approaches, are explored, sparking an engaging discussion on mathematical patterns.

(aperiodical.com)

Misc math puzzle calculator

Italy's Privacy Regulator Targets DeepSeek's Data Practices

2025-01-29

Italy's Privacy Regulator Targets DeepSeek's Data Practices

Italy's data protection authority, the Garante, has formally requested information from Chinese AI startup DeepSeek regarding its handling of Italian user data. This follows DeepSeek's recent launch of a ChatGPT competitor, raising concerns about data security and privacy. The Garante demands details on data collection, usage, and storage, with a February 17th deadline. This action highlights Europe's stringent scrutiny of AI companies' data practices and the data privacy challenges in the global AI race.

(www.politico.eu)

Tech

sectorlisp: A 512-Byte LISP Implementation

2025-05-08

sectorlisp: A 512-Byte LISP Implementation

sectorlisp is a groundbreaking 512-byte implementation of LISP capable of bootstrapping John McCarthy's meta-circular evaluator on bare metal. Stripping LISP down to its essentials, this project offers implementations in LISP, C, and i8086 assembly, the latter even booting from BIOS. This makes it arguably the smallest true LISP implementation to date.

(github.com)

Development Metacircular Evaluator

The Future of Coding in the Age of AI

2025-03-28

The Future of Coding in the Age of AI

A tweet by Replit's CEO suggesting that learning to code is no longer necessary sparked a debate. The author, a software engineer with 15 years of experience, reflects on the implications of AI-powered coding tools. While acknowledging the efficiency gains from AI, he cautions against over-reliance, arguing it diminishes understanding and leaves programmers vulnerable to vendors. He advises beginners to build a strong foundation in coding fundamentals to remain competitive. AI boosts productivity, but it can't replace solid coding skills.

(kyrylo.org)

Development future of coding

Age LAN Server: Play Age of Empires Multiplayer Offline

2025-04-02

Age LAN Server: Play Age of Empires Multiplayer Offline

Age LAN Server is a web server enabling offline multiplayer LAN gameplay for Age of Empires: Definitive Edition, Age of Empires II: Definitive Edition, and Age of Empires III: Definitive Edition. Even if official servers are down, LAN functionality remains. Currently in maintenance mode, focusing on bug fixes and dependency updates. A custom launcher is still required to bypass online restrictions for complete offline play. Features include map transferring, game restoration, data mods, lobby chat, and crossplay between Steam and Xbox. However, some features like achievements and leaderboards are not yet implemented. The server supports Windows, Linux, and macOS.

(github.com)

Game LAN Age of Empires

The AI Revolution: Reshaping Software Development

2025-06-01

The AI Revolution: Reshaping Software Development

This article chronicles the evolution of software development over the past three decades, from low-level programming to the age of AI-assisted coding. The author, a veteran of the industry, recounts the shifts brought about by object-oriented programming, the rise of frameworks and libraries, cloud computing and the API economy, and finally, the AI revolution. Today's developers are increasingly acting as conductors, guiding AI to generate code and focusing on system design, security, performance optimization, and business logic. The future promises democratized software development, but the role of professional developers will be elevated, emphasizing higher-level skills like architecture, security compliance, and ethical considerations.

(guptadeepak.com)

Development

Page Objects: Making Your UI Tests Less Brittle

2025-09-15

Page Objects: Making Your UI Tests Less Brittle

Testing web pages requires interacting with elements, but directly manipulating HTML makes tests fragile. Page Objects solve this by encapsulating a page or fragment as an application-specific API. This allows interacting with elements without directly accessing HTML. The goal is to mimic user actions, providing a clean interface that hides underlying widgets. Text fields use string accessors, checkboxes booleans, and buttons action-oriented methods. Good Page Objects model the user's perspective, not the UI's internal structure, returning basic data types or other Page Objects. There's debate on including assertions within Page Objects. The author prefers keeping assertions in test scripts, avoiding bloated Page Objects and using assertion libraries to reduce redundancy. This pattern works across various UI technologies, useful not just for testing but also as a scripting interface for applications.

(martinfowler.com)

Development Page Objects

Microdosing Ozempic: Hollywood's Latest Anti-Aging Secret?

2025-02-10

Microdosing Ozempic: Hollywood's Latest Anti-Aging Secret?

Hollywood is buzzing about a new trend: microdosing Ozempic and other GLP-1 receptor agonists. Instead of using these diabetes drugs for weight loss, celebrities are taking lower-than-prescribed doses to harness their anti-inflammatory properties, improved cognitive function, and potential benefits in preventing diseases like Alzheimer's. Doctors report reduced inflammation, improved mental clarity, and fewer aches and pains with microdosing, while avoiding the unpleasant side effects of higher doses. This approach also offers cost savings. The trend reflects a broader focus on longevity and anti-aging strategies.

(www.hollywoodreporter.com)

Tech microdosing anti-aging

LoomLetter: AI-Powered Newsletter Reader for Busy Professionals

2025-02-27

LoomLetter: AI-Powered Newsletter Reader for Busy Professionals

LoomLetter is a revolutionary newsletter reader that provides a dedicated email address for subscribing to your favorite newsletters. All newsletters are delivered to LoomLetter, organized, and easily accessible via AI-powered narration and smart filters. The Early Adopter Program offers exclusive early access to new features and allows your feedback to shape the app's future. LoomLetter differentiates itself by focusing on convenience for busy professionals, offering AI narration, easy-access widgets, and powerful organization tools to combat inbox clutter and prioritize essential information.

(www.loomletter.app)

Tech

ccusage: Analyze Your Claude Code Token Usage, Blazing Fast!

2025-07-19

ccusage: Analyze Your Claude Code Token Usage, Blazing Fast!

ccusage is a command-line tool for incredibly fast analysis of your Claude Code token usage and costs from local JSONL files. It offers daily, monthly, session, and 5-hour block reports, with features like live monitoring, date filtering, custom paths, and JSON output. Its tiny bundle size allows for direct execution without installation, supporting multiple models and cost breakdowns. Try it with `bunx ccusage`!

(github.com)

Development

Microsoft Office's XML Lock-in: A Technological Trap

2025-07-19

Microsoft Office's XML Lock-in: A Technological Trap

This article exposes how Microsoft's intentionally complex XML schema in its Office document format serves as a user lock-in strategy. By designing an overly complex XML schema, Microsoft makes it difficult for competitors to develop compatible software, creating a technological monopoly. This forces users into the Microsoft ecosystem, accepting their pricing and services. The analogy used is a railway system with open tracks but a complex control system only controlled by one manufacturer, dominating rail transport. The author urges users to be wary of technological monopolies and to choose simple, clear XML systems to avoid being trapped by complexity.

(blog.documentfoundation.org)

Tech technological monopoly

Seagate's New Hard Drives: A Case of Massive Reselling?

2025-01-29

Seagate's New Hard Drives: A Case of Massive Reselling?

German publication Heise.de reports a widespread issue where numerous Seagate hard drive buyers received used drives instead of new ones. The drives, showing usage times of tens of thousands of hours, were purchased from various retailers, including authorized Seagate sellers and major online marketplaces. Affected models span different series and capacities. While Seagate is investigating, the scale and nature of the problem remain unclear, raising concerns about potential fraud.

(www.tomshardware.com)

Hardware Hard Drives Fraud

Algorithmic Design with Grasshopper: A Visual Programming Tutorial

2025-05-08

Algorithmic Design with Grasshopper: A Visual Programming Tutorial

This tutorial introduces visual programming in Grasshopper, a plugin for Rhino 3D. Grasshopper allows algorithmic generation of geometry by connecting data and functions within a visual diagram. The tutorial covers the basics of creating points, lines, polylines, curves, and surfaces using various components and parameters. Learn to construct points using the 'Construct Point' component, create lines with the 'Line' component, and generate curves with the 'Interpolate' component, among others. This hands-on guide empowers designers to create complex 3D models efficiently.

(baharmon.github.io)

Design Visual Programming

Revolutionary 3D-Printed Hair-like Electrodes Enable 24/7 EEG Monitoring

2025-05-08

Revolutionary 3D-Printed Hair-like Electrodes Enable 24/7 EEG Monitoring

Researchers at Penn State have developed a groundbreaking 3D-printed EEG electrode that mimics human hair and uses a bioadhesive ink to adhere directly to the scalp without gels. This lightweight, flexible, and stretchable electrode stays in place even during activities like combing hair or wearing a hat, significantly improving signal quality and enabling long-term monitoring. Performing comparably to gold standard electrodes, it maintains reliable contact for over 24 hours without signal degradation, eliminating inconsistencies from electrode repositioning. The discreet design improves patient comfort, paving the way for more convenient and reliable chronic EEG monitoring. Future work aims to make the system wireless.

(www.psu.edu)

Tech Biomedical Engineering

Firefox's CRLite: Faster, More Private Certificate Revocation Checking

2025-08-19

Firefox's CRLite: Faster, More Private Certificate Revocation Checking

Firefox is the first browser to implement fast and comprehensive certificate revocation checking without revealing user browsing activity. Previously, the OCSP protocol leaked user privacy. Firefox's new CRLite mechanism solves this by periodically downloading a compact encoding of revoked certificates, storing and updating it locally. CRLite is a thousand times more bandwidth-efficient than traditional CRLs and significantly improves TLS handshake times. Firefox will disable OCSP in version 142, further enhancing user privacy and performance.

(hacks.mozilla.org)

Tech Certificate Revocation

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