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arXivLabs: Experimenting with Community Collaboration

2025-02-18
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework for collaborating on and sharing new arXiv features directly on the website. Participants, individuals and organizations alike, embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners who share them. Got an idea for a project that will benefit the arXiv community? Learn more about arXivLabs.

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(arxiv.org)
Development

PowerToys Command Palette: Your Ultimate Launcher and Command Center

2025-04-02
PowerToys Command Palette: Your Ultimate Launcher and Command Center

The PowerToys Command Palette, successor to PowerToys Run, is a fast, customizable, and extensible utility providing single-access to frequently used commands, apps, and development tools. Simply press Win+Alt+Space (customizable shortcut) to search for applications, folders, files, run commands (e.g., >cmd launches Command Prompt), switch windows, perform simple calculations, add website bookmarks, execute system commands, and even open web pages or searches. It also boasts rich extensions for easy addition of further functionality.

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(learn.microsoft.com)
Development Command Palette

Was Houdini a Spy? The Magician's Secret Life and the CIA's Lost Manuals

2025-04-03

Harry Houdini, the world-famous magician, had a profound, unexpected influence on espionage. Declassified CIA documents reveal that the agency used Houdini's escape techniques, among others, to train clandestine officers in deception. While rumors persist of Houdini acting as a spy for various agencies, concrete evidence remains scarce. Historians debate whether he was a full-fledged spy or simply an 'observer' providing intelligence to President Theodore Roosevelt. This intriguing story blends magic, espionage, and historical mystery.

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(www.cia.gov)
Misc Houdini Magic

Hidden Gems and Humor in the Android API

2025-06-16
Hidden Gems and Humor in the Android API

This article unveils hidden easter eggs and humorous elements within the public Android API. Examples include `isUserAMonkey()`, detecting if the UI is being tested by a tool; `isUserAGoat()`, once used to detect the Goat Simulator game; and `DISALLOW_FUN`, a device policy to restrict user fun. Other quirky additions include `Chronometer.isTheFinalCountdown()`, launching Europe's 'The Final Countdown' on YouTube; and constants like `SENSOR_TRICORDER` and `GRAVITY_DEATH_STAR_I`. There's even an undocumented `` tag for making views blink. These fun additions lighten the developer experience and showcase the Android team's sense of humor.

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(voxelmanip.se)
Development Easter Eggs

Solving Computational Science Problems with AI: Physics-Informed Neural Networks (PINNs)

2025-01-22

This article explores the use of Physics-Informed Neural Networks (PINNs) to solve challenging problems in computational science, particularly partial differential equations (PDEs). PINNs overcome limitations of traditional numerical methods by incorporating physical laws directly into the neural network's loss function. This addresses issues like insufficient data, high computational cost, and poor generalization. The article explains PDEs, partial derivatives, and demonstrates PINNs' implementation using the 2D heat equation, covering network architecture, loss function definition, and training. Results show PINNs accurately and efficiently model heat diffusion, offering a powerful tool for various scientific and engineering challenges.

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(mertkavi.com)
AI PDEs

Temporal API: Revolutionizing Date and Time Handling in JavaScript

2025-01-30
Temporal API: Revolutionizing Date and Time Handling in JavaScript

The Temporal API simplifies date and time manipulation in JavaScript. It supports various calendar systems (like the Chinese Lunar calendar), handles time zone conversions seamlessly, and offers intuitive comparison methods. For example, it can calculate the next Chinese New Year or determine the duration until a future Unix timestamp. While `toLocaleString` behavior varies slightly across browser implementations, the Temporal API offers robust date and time operations, making it a boon for developers.

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(developer.mozilla.org)
Development Date Time

Ants, Termites, and the Evolutionary Feast: How Mammals Conquered a Tiny Kingdom

2025-07-18

A groundbreaking study traces the rise of ant- and termite-eating mammals, revealing at least a dozen independent evolutionary events where mammals specialized in this unusual diet. Following the dinosaur extinction, ant and termite populations exploded, creating a novel ecological niche. Researchers analyzed the diets of nearly 4,100 mammal species, finding that obligate myrmecophagy (exclusive ant and termite consumption) evolved independently multiple times. This dietary shift required significant physiological adaptations, and remarkably, once a lineage adopted this strategy, it rarely reverted. The study suggests that this specialized diet, while potentially limiting, may provide an advantage in a changing climate, where large social insect colonies are thriving.

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(news.njit.edu)
Tech

TimeRetain: Privacy-Focused Time Tracking, No Sign-Up Required

2025-02-18
TimeRetain: Privacy-Focused Time Tracking, No Sign-Up Required

TimeRetain is a free, privacy-focused time tracking tool currently in beta, requiring no sign-up. It's simple to use, offering tagging, powerful filtering, practical statistical insights, and easy export to CSV or PDF. Whether you're an employee, business owner, or student, track work hours, client calls, or study sessions with ease. Fine-tune entries with ballpark adjustments, and rest assured your data is stored securely in your browser.

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(timeretain.com)
Development time tracking

The Magic of the Text Editor Cursor: You Always Type Out of Range

2025-03-01
The Magic of the Text Editor Cursor: You Always Type Out of Range

Have you ever wondered why, in a text editor, the cursor always seems to sit at the end of a word, allowing you to add characters seamlessly? This is actually a clever illusion. This article explores the subtle relationship between cursor position and string ranges in text editors, using the metaphor of a 'rake and its prongs' to explain why you always type 'out of range'. It also provides an improved `NSRange` extension for more accurate handling of cursor insertion points.

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(christiantietze.de)
Development

Making Metal on Mars: In-Situ Resource Utilization for Martian Settlements

2025-09-07
Making Metal on Mars: In-Situ Resource Utilization for Martian Settlements

Transporting metals from Earth to Mars is prohibitively expensive. Researchers from Swinburne University of Technology and CSIRO are exploring in-situ resource utilization (ISRU) by producing metals from Martian regolith. They've successfully produced iron using a regolith simulant, paving the way for sustainable metal production on Mars and potentially revolutionizing metallurgy on Earth.

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(www.csiro.au)
Tech metal production ISRU

Tinnitus After a Concert: A Cautionary Tale

2025-05-22

I developed permanent tinnitus after attending an electronic music show last November. Initially, I was careless about hearing protection, assuming any discomfort would be temporary. This time, it wasn't. Now loud sounds physically hurt, and I find myself acting like a concerned parent, reminding friends to wear helmets and reflective vests. This experience has highlighted the often overlooked risk of hearing damage and the importance of self-protection.

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(blog.greg.technology)
Misc tinnitus hearing protection

Getting LLMs to Generate Funny Memes: Surprisingly Hard

2025-01-06
Getting LLMs to Generate Funny Memes: Surprisingly Hard

A University of Waterloo intern attempted to build an app using LLMs and the Greptile API to generate memes that roast GitHub repositories. The process proved unexpectedly challenging. Directly prompting the LLM for roasts yielded generic results. The solution involved separating the task into code analysis (using Greptile to pinpoint specific issues) and roast generation (using the LLM to create targeted humor). Image generation proved difficult due to limitations in handling text, leading to the use of pre-built meme templates and node-canvas for text insertion. Despite the hurdles, the project culminated in reporoast.com, a website capable of generating custom code-roasting memes.

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(www.greptile.com)
Development Meme Generation

Uncle Bob and John Ousterhout Debate Software Design

2025-02-25
Uncle Bob and John Ousterhout Debate Software Design

Robert "Uncle Bob" Martin and John Ousterhout engaged in a spirited debate on software design principles, covering key topics such as method length, code comments, and Test-Driven Development (TDD). They fiercely debated the extent of code decomposition, the necessity of comments, and the pros and cons of TDD, using code examples and specific scenarios to support their arguments. This debate highlights the importance of trade-offs in software design and the need to avoid extremes when striving for conciseness and readability.

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(github.com)
Development test driven development

Saying Goodbye to DevTools: A Swift and Xcode Development Journey

2025-02-15
Saying Goodbye to DevTools: A Swift and Xcode Development Journey

The author recounts their experience developing an iOS app in Swift and Xcode, contrasting it with web development. While praising Xcode's power, they lament the lack of readily accessible debugging and prototyping tools comparable to browser DevTools. Swift and Xcode integrate seamlessly, but the steep learning curve and lack of clear guidance present significant challenges. The author compares and contrasts Swift with web frameworks, highlighting Swift's conciseness versus the lack of HTML's default styling, and its animation advantages. Ultimately, the author expresses their love for independent development, allowing focus on creativity and learning, free from corporate red tape and pointless meetings.

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(robinrendle.com)
Development

Goodbye RSI: My Journey with the Svalboard Keyboard

2025-08-02

Years of computer use led to RSI, prompting a quest for the perfect ergonomic keyboard. From Microsoft Ergonomic to Kinesis Advantage and Ergodox EZ, my search culminated in the Svalboard Lightly. Its infrared optical keys and magnetic feedback, coupled with QMK firmware and Keybard software, allowed unparalleled customization. While pricey and with a steep learning curve, the Svalboard's superior ergonomics and customizability dramatically improved my typing comfort and efficiency, making it a worthwhile investment for the discerning user.

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(twey.io)
Hardware Ergonomic Keyboard

Free Music Archive: A Haven for Creative Commons Music

2025-01-15

The Free Music Archive (FMA) is a non-profit platform offering a vast library of original music available for free download and use under Creative Commons licenses. It's a win-win: artists gain exposure and build an audience, while users find royalty-free music for their projects, from YouTube videos to podcasts. FMA champions artist rights and recently launched a podcast series, "Music Insiders," showcasing the platform's talented creators and their musical journeys.

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(freemusicarchive.org)
Misc music platform creative commons royalty-free music

Wasm 3.0 Released: GC, 64-bit Addresses, and More

2025-09-18
Wasm 3.0 Released: GC, 64-bit Addresses, and More

Three years in the making, the WebAssembly (Wasm) 3.0 standard is finally here! This substantial update boasts significant features, including 64-bit address spaces, expanding the addressable memory to 16 exabytes; support for multiple memory instances, enhancing large application and data handling; a garbage collection (GC) mechanism, greatly simplifying the process of compiling high-level languages to Wasm; typed references for improved type safety and efficiency; and tail calls, exception handling, and improved vector instructions. These enhancements make Wasm significantly better suited for compiling high-level languages like Java and OCaml, broadening its applications.

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(webassembly.org)
Development

Remote Radioactive Material Detection: A 10-Meter Breakthrough

2025-03-24
Remote Radioactive Material Detection: A 10-Meter Breakthrough

Researchers at the University of Maryland have developed a novel method for remotely detecting radioactive materials using short-pulse CO2 lasers, achieving detection at a distance of 10 meters—over ten times farther than previous methods. The technique leverages the ionization of surrounding air by radioactive materials. By accelerating these ions with a laser, a cascade of ionization creates microplasmas that scatter laser light, enabling remote detection. This technology holds promise for nuclear disaster response and nuclear security, but challenges remain, including the size of the laser system and environmental noise.

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(physicsworld.com)
Tech radioactive material detection

Chiplab Launches: Run Your 6502 Programs on Real Hardware

2025-03-30

Chiplab now offers a service to run your 6502 assembly programs on a real 6502 chip, providing cycle-by-cycle bus traces for highly accurate testing and research. Users upload their code, which runs for 100 cycles, after which a detailed trace of address and data bus values is returned. This approach offers a superior alternative to emulators and lays the groundwork for analyzing more complex chips in the future. The project is open-source and welcomes contributions.

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(www.emulationonline.com)
Hardware chip emulator

SICP Exercise Runtime Statistics

2025-03-04
SICP Exercise Runtime Statistics

This data table records the interpreter runtime of each exercise in Structure and Interpretation of Computer Programs (SICP). The table reveals a huge variation in runtime across exercises, ranging from milliseconds to seconds. This reflects the impact of algorithmic efficiency and programming techniques on program performance. Some recursive algorithms show rapid runtime growth, while iterative counterparts prove more efficient. This data provides valuable insight for learning and understanding the algorithms and data structures presented in SICP.

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(lockywolf.wordpress.com)
Development Algorithmic Efficiency Runtime

Adminer: A Powerful Single-File Database Management Tool

2025-03-20
Adminer: A Powerful Single-File Database Management Tool

Adminer is a full-featured database management tool written in PHP, consisting of a single file for easy deployment. It supports MySQL, PostgreSQL, SQLite, and many more databases, with plugins extending functionality to Elasticsearch, MongoDB, and others. Users can customize Adminer with additional plugins and manage their loading order via a simple PHP configuration file. Adminer Editor provides a user-friendly interface for data manipulation.

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(github.com)
Development

Best Practices for Writing Robust GNU Makefiles

2025-06-20

This comprehensive guide outlines best practices for crafting efficient, maintainable, and portable GNU Makefiles. It covers Makefile structure, variable usage, rule and target definitions, and strategies for handling large projects and parallel builds. The guide emphasizes using automatic variables, avoiding common pitfalls, and provides techniques for handling various scenarios such as cleanup tasks, dependency management, and multi-file processing. The ultimate goal is to empower developers to write clean, understandable, and easily maintainable Makefiles, thereby boosting development efficiency.

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(clarkgrubb.com)
Development

Data Branching for Batch Job Systems: A Git-like Approach

2025-01-24

This blog post explores the application of Git-like branching strategies for managing data within batch job systems. The author proposes using the 'main' branch as the canonical production data version. Each job execution creates a new branch for processing and metadata recording; successful jobs merge back into 'main'. The post also covers branching strategies for test execution, experiments, and multi-step jobs, achieving efficient version control and experimental management, mirroring aspects of database transaction ACID properties.

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(isaacjordan.me)
Development data version control batch jobs

Edge AI Inference: A Deep Dive from Software to Hardware Acceleration

2025-07-04
Edge AI Inference: A Deep Dive from Software to Hardware Acceleration

This article delves into the challenges and opportunities of running AI inference on resource-constrained microcontrollers. Starting with the mechanics of TensorFlow Lite Micro, the author analyzes the software implementation and hardware acceleration schemes based on ARM architecture extensions for the addition operator. The article also covers utilizing Arm's Ethos-U NPU for model acceleration. It reveals how different hardware architectures impact AI inference performance and how software and hardware optimizations can be combined to improve efficiency.

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(danielmangum.com)
AI Microcontrollers

Why I Hate Docker and Podman

2025-01-26

A seasoned developer voiced strong displeasure with Docker and Podman in a blog post. He cited multiple instances where Docker installation broke his network configuration, a poorly designed command-line interface, and difficult-to-learn usage. The Dockerfile language is considered ad-hoc and poorly designed, the documentation unhelpful and hard to navigate. Docker Hub suffers from malware and licensing issues, and container images are stored in a hidden location that consumes excessive disk space. While Podman offers some implementation improvements, its user experience remains as unpleasant as Docker's. The author ultimately prefers virtual machines, acknowledging their slower startup, but valuing their easier comprehension and better predictability and control.

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(blog.liw.fi)
Development containers

CSS Hover Animation: Clever Use of Inverted Radius Shape

2025-02-02
CSS Hover Animation: Clever Use of Inverted Radius Shape

This article demonstrates a method for creating a cool hover animation effect using CSS. By cleverly combining an inverted radius shape, CSS variables, and `@property`, a smooth reveal animation is achieved where text gradually appears on hover. The code is concise and efficient, leveraging CSS masks and gradients for a visually stunning effect. This is a valuable CSS technique worth learning, suitable for developers with some CSS experience.

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(css-tip.com)
Design CSS tricks

Base-Rate Blindness: When Rare Events Surprise Us (and How AI Might Exploit It)

2025-01-26

This essay uses the astonishing feats of pickpocket Apollo Robbins to illustrate the concept of 'base-rate blindness'. The author argues that we underestimate the probability of rare events because we tend to ignore base rates – the prior probability of an event. Using personal anecdotes, like a surprising moose encounter in Colorado, and the academic world's underestimation of deception, the author shows how ignoring base rates can lead to dangerous consequences. The essay concludes with a provocative question: Are we base-rate blind to the potential risks of AI, distracted by the hype and pleas for regulation?

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(paulromer.net)
Misc Bayes' Theorem Base Rate Cognitive Bias

Run DeepSeek R1 Reasoning Models Effortlessly on AMD Ryzen AI Processors

2025-02-07
Run DeepSeek R1 Reasoning Models Effortlessly on AMD Ryzen AI Processors

DeepSeek R1, a new class of reasoning models, tackles complex tasks using chain-of-thought (CoT) reasoning, albeit with a longer response time. These highly capable, distilled DeepSeek R1 models are now easily deployable on AMD Ryzen™ AI processors and Radeon™ graphics cards via LM Studio. The article provides a step-by-step guide to running various DeepSeek R1 distillations on different AMD hardware configurations, including recommended model sizes and quantization settings for optimal performance.

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(community.amd.com)
AI AI reasoning models

Beyond Cron: Building Robust Scheduled Backups with systemd

2025-03-14
Beyond Cron: Building Robust Scheduled Backups with systemd

Tired of Cron's limitations? This article shows how to build a more reliable, monitorable, and manageable scheduled backup system using systemd. By creating systemd timer and service files, you can easily schedule the execution of backup scripts and add pre- and post-execution actions, such as sending notifications of backup success or failure, using ExecStartPre and ExecStopPost. systemd's persistence mechanism ensures that backup tasks are reliably executed even after system restarts, while its logging and monitoring capabilities significantly improve system maintainability. Leave Cron's shortcomings behind and embrace the convenience and reliability of systemd!

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(yieldcode.blog)
Development scheduled tasks
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