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arXivLabs: Experimental Projects with Community Collaborators

2025-03-27
arXivLabs: Experimental Projects with Community Collaborators

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners who adhere to them. Have an idea to enhance the arXiv community? Learn more about arXivLabs.

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(arxiv.org)
Development

Starlink Sells Out in Zimbabwe Amidst High Demand

2024-12-17
Starlink Sells Out in Zimbabwe Amidst High Demand

Starlink's high-speed satellite internet service quickly sold out in Zimbabwe within weeks of its launch, driven by the country's slow, unreliable, and expensive traditional internet infrastructure. High demand led to sell-outs in major cities like Harare, and even spread to other African countries. Despite higher initial costs, Starlink's unlimited data and superior speeds are proving attractive to many, forcing local providers to lower their prices. While currently facing capacity issues in urban areas, Starlink's potential in rural and underserved regions is significant, boosting related industries such as installation services and accessory sales.

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(restofworld.org)
Tech satellite internet Zimbabwe

Word2Vec's Secret Sauce: Bridging Traditional and Neural Methods

2025-02-17
Word2Vec's Secret Sauce: Bridging Traditional and Neural Methods

This blog post delves into the factors contributing to Word2Vec's success and its relationship with traditional word embedding models. By comparing models like GloVe, SVD, Skip-gram with Negative Sampling (SGNS), and PPMI, the author reveals that hyperparameter tuning is often more crucial than algorithm choice. The research demonstrates that traditional distributional semantic models (DSMs), with proper pre- and post-processing, can achieve performance comparable to neural network models. The article highlights the benefits of combining traditional and neural approaches, offering a fresh perspective on word embedding learning.

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(www.ruder.io)
AI word embeddings word2vec distributional semantics

A Fast Bytecode VM for Arithmetic (Part 2): Compiler and Decompiler in Haskell

2025-08-28
A Fast Bytecode VM for Arithmetic (Part 2): Compiler and Decompiler in Haskell

This post, the second in a series, details a compiler and decompiler for a fast bytecode virtual machine for arithmetic expressions in Haskell. It explains why bytecode is faster than AST interpretation, designs a stack-based bytecode virtual machine, and outlines bytecode instructions for Num, BinOp, Var, and Let AST nodes. The compiler uses pre-allocated byte arrays and pointer manipulation for performance, with robust error handling. Performance benchmarks comparing various data structures and control flow are presented. Finally, a decompiler is implemented to aid debugging and testing.

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(abhinavsarkar.net)
Development

Saying Goodbye to Static Site Generators: My Blog is Now Raw HTML

2025-02-10

Tired of the constant updates and compatibility issues with static site generators, my blog has gone through numerous iterations, finally settling on raw HTML, using md-block for Markdown and highlight.js for syntax highlighting. Built-in browser audio and video players, and the longevity of HTML, free me from theme compatibility headaches and ensure long-term content availability.

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(devpoga.org)
Development

Maker Builds Laser Shooting Game: From Legoland Ride to ESP32-Powered Halloween Fun

2024-12-13
Maker Builds Laser Shooting Game: From Legoland Ride to ESP32-Powered Halloween Fun

Inspired by a Legoland Egyptian adventure ride, the author decided to create a similar shooting game. Using inexpensive ESP32 microprocessors, infrared laser guns, and homemade targets, he successfully built a Halloween-themed shooting game. Along the way, he learned Arduino and MicroPython programming, overcoming challenges in hardware connections, power supply, and communication. The game was a hit at school and home events. Future plans include improving target design, lighting effects, and circuit boards to enhance the gaming experience.

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(blog.langworth.com)
Development Maker

Wayland Lock Screen Transformed into a Pokémon Puzzle

2025-08-12
Wayland Lock Screen Transformed into a Pokémon Puzzle

A Linux enthusiast has created a unique Wayland lock screen that replaces the password screen with a Game Boy emulator running a modified Pokémon game. Users unlock their session by solving a mini-puzzle within the game, offering a fun and engaging alternative to traditional password entry. The project demonstrates the high level of customization possible with Wayland. The developer delved into Wayland protocols, implemented a low-level Wayland window, and even modified the Pokémon game's assembly code to incorporate password logic. While experimental, this project showcases impressive creativity and technical skill, offering a fresh perspective on personalized system customization.

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(github.com)
Development Lock Screen

Meta's Metaverse Gamble: $60B in Losses and Counting

2025-05-02
Meta's Metaverse Gamble: $60B in Losses and Counting

Meta's Reality Labs reported a $4.2 billion operating loss in Q1 2025, bringing cumulative losses since 2020 to over $60 billion. Reality Labs, responsible for Meta's Quest VR headsets and Ray-Ban smart glasses, is central to Mark Zuckerberg's metaverse vision. Wall Street's skepticism regarding Meta's massive metaverse investment is compounded by new tariffs, potentially driving up device prices. Recent layoffs at Oculus Studios, the unit creating VR/AR content for Quest, further highlight the challenges facing Zuckerberg's ambitious project.

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(meta.slashdot.org)
Tech Metaverse Losses

Elm Property-Based Testing: Ensuring Coverage of Interesting Cases

2025-05-02

This article demonstrates how to use Test.Distribution in Elm to ensure property-based tests cover interesting cases. The author uses a queue implementation example to show how Test.reportDistribution generates distribution reports of test data and how Test.expectDistribution enforces expected distributions. This allows developers to more precisely control test coverage, preventing important test cases from being missed due to uneven data distribution. The article also mentions Fuzz.examples and Fuzz.labelExamples functions, which help developers better understand and debug test data.

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(martin.janiczek.cz)
Development

Elon Musk's Government Reform Attempt: A Battle Against Bureaucracy

2024-12-15
Elon Musk's Government Reform Attempt: A Battle Against Bureaucracy

This article explores Elon Musk's attempts to reform government inefficiency. The author argues that Democrats haven't prioritized addressing government inefficiency, and Musk's intervention is not a solution but may exacerbate the problem. Insiders are watching Musk's reform attempts with skepticism, believing that even billionaires can't easily shake the entrenched bureaucratic system. The article points out that lengthy legal procedures and resistance from vested interests are huge obstacles to reform, and the courts also play a significant role in worsening the problem. Ultimately, the author calls for a re-evaluation of government reform strategies and a clear understanding of the difficulty and complexity of reform.

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(www.eatingpolicy.com)
Misc government reform bureaucracy Elon Musk

GAO Slams Federal Agencies for Cybersecurity Failures

2025-08-06
GAO Slams Federal Agencies for Cybersecurity Failures

The Government Accountability Office (GAO) issued scathing reports criticizing three federal agencies—the General Services Administration (GSA), Environmental Protection Agency (EPA), and Department of Homeland Security (DHS)—for their CIOs' failure to implement cybersecurity recommendations. DHS has 43 outstanding recommendations, seven prioritized by GAO; EPA has 11; and GSA has 4. Common failures include inadequate cybersecurity event logging and IT portfolio reviews. The EPA faces additional issues with cloud software management, lacking documentation and service level agreements. DHS's Homeland Advanced Recognition Technology (HART) program remains plagued with problems, with all nine recommendations unimplemented. The GAO hopes newly appointed CIOs will address these shortcomings, and has brought the issues to Congress's attention.

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(www.theregister.com)
Tech government accountability IT management

We Built Loneliness Machines and Called Them Smart

2025-06-14
We Built Loneliness Machines and Called Them Smart

Since the advent of smartphones in 2010, they've become ubiquitous, yet this pervasiveness comes at a steep cost. This article argues that excessive smartphone use leads to addiction, loneliness, depression, and damage to mental and physical health. Furthermore, smartphones exacerbate social divisions and political polarization. While an outright ban is unrealistic, the author suggests collective action to mitigate their negative effects, including promoting a "right to disconnect", to regain freedom and well-being.

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(jacobin.com)
Tech digital well-being

Say Goodbye to Dependency Headaches: Simplifying Python Script Distribution with uv and PEP 723

2025-03-28

Tired of managing external library dependencies for your single-file Python scripts? This article shows how uv and PEP 723 make distribution a breeze. By embedding dependency metadata directly into your script, uv eliminates the need for `requirements.txt` and complex package managers. It automatically creates isolated virtual environments, installs dependencies, and runs your script—all without manual intervention. Adding a shebang makes execution even easier, directly launching your script from anywhere.

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(thisdavej.com)
Development

Espanso: A Cross-Platform Text Expander in Rust

2025-05-17
Espanso: A Cross-Platform Text Expander in Rust

Espanso is a cross-platform text expander written in Rust. It detects keywords and replaces them with predefined text, boosting productivity. Features include saving typing time, creating system-wide code snippets, executing custom scripts, easy emoji use, and broad compatibility (Windows, macOS, Linux, most applications). It supports images, a powerful search bar, date expansion, custom scripts, shell commands, app-specific configurations, forms, package expansion, a built-in package manager, file-based configuration, regex triggers, and experimental Wayland support. This free, open-source project, created by Federico Terzi, is licensed under GPL-3.0.

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(github.com)
Development text expansion

Wger: Open-Source Workout & Diet Management App

2025-02-13
Wger: Open-Source Workout & Diet Management App

Wger is a free, open-source web application for managing personal workouts, weight, and diet plans. It also functions as a simple gym management tool and offers a REST API for easy integration. Easily deployable via Docker, a demo image is available for quick testing. The code and content are open-source, and translations are supported.

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(github.com)
Development

Security Expert Troy Hunt Falls Victim to Mailchimp Phishing Attack

2025-03-25
Security Expert Troy Hunt Falls Victim to Mailchimp Phishing Attack

Security expert Troy Hunt fell victim to a sophisticated phishing attack targeting his Mailchimp account. The attacker successfully gained access, exporting approximately 16,000 subscriber records containing email addresses, subscription details, IP addresses, and geolocation data. Despite immediately changing his password and contacting Mailchimp, Hunt expressed frustration at his own lapse in judgment and apologized to affected subscribers. The incident serves as a stark reminder that even security experts are vulnerable to phishing, highlighting the importance of robust multi-factor authentication and heightened security awareness.

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(www.troyhunt.com)
Tech

Engineer Implements Reversible 1D Cellular Automata Using Bitwise Operations

2024-12-12
Engineer Implements Reversible 1D Cellular Automata Using Bitwise Operations

Richard Palethorpe, an engineer, created a demo using the GFXPrim library showcasing a one-dimensional binary cellular automaton and its reversible counterpart. The automaton evolves based on rules where each cell's state is determined by its own state and those of its left and right neighbors. The article details bitwise operation optimizations, such as parallel processing of multiple cells using 64-bit integers and bit rotation to simulate neighbor interaction. Reversible implementation is achieved by XORing with the previous state. The author explores compiler optimization and vectorization impacts on performance and ultimately implements an efficient rendering method.

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(richiejp.com)
Development cellular automata bitwise operations reversible computing

ByteDance Open-Sources Monolith, its Recommendation System Framework

2024-12-20
ByteDance Open-Sources Monolith, its Recommendation System Framework

ByteDance has open-sourced Monolith, a deep learning framework for large-scale recommendation modeling. Built on TensorFlow, it supports batch and real-time training and serving. Key features include collisionless embedding tables ensuring unique representation for different ID features, and real-time training for capturing the latest trends and helping users discover new interests. Tutorials and demos are provided to facilitate usage.

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(github.com)
AI Recommendation System

Retry Algorithm Showdown: Linear, Exponential, and Capped Exponential Backoff

2025-01-05

This article compares three common retry algorithms: linear backoff, exponential backoff, and capped exponential backoff. Linear backoff increases the wait time by a fixed amount with each retry; exponential backoff doubles (or multiplies) the wait time with each retry; capped exponential backoff is similar to exponential backoff but with a maximum delay. The article also discusses adding random jitter to prevent "thundering herd" problems when multiple clients retry simultaneously.

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(www.compareretries.com)
Development retry algorithm exponential backoff jitter

Nvidia's H20 AI Chips Flood Back into China, Spurring a Rush of Orders

2025-07-16
Nvidia's H20 AI Chips Flood Back into China, Spurring a Rush of Orders

Reuters reports that Chinese firms are scrambling to order Nvidia's H20 AI chips as the company prepares to resume sales to mainland China. Nvidia expects imminent US government licenses to restart shipments of the restricted processors, just days after CEO Jensen Huang met with President Trump, potentially adding $15 billion to $20 billion in revenue this year. This surge follows the 2022 launch of ChatGPT, highlighting the link between Nvidia's financial success and the demand for specialized hardware to efficiently power AI models. While the H20 chips are Nvidia's most powerful legally available in China, they are less potent than versions sold elsewhere due to 2022 export restrictions; Nvidia remains banned from selling its most powerful GPUs in China.

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(arstechnica.com)
Tech

NSO Group's Pegasus Spyware Fails to Stay Hidden: Journalists Expose Flaws

2025-03-28
NSO Group's Pegasus Spyware Fails to Stay Hidden: Journalists Expose Flaws

A new report details attempted hacks against Serbian journalists using NSO Group's Pegasus spyware. Amnesty International researchers traced phishing links directly to NSO Group's infrastructure, exposing serious flaws in the company's and its clients' attempts at stealth. Pegasus has been used to target at least 130 individuals globally, including journalists and activists, over the years. Apple has also helped expose attacks by notifying victims. NSO Group's sale of its software to countries that misuse it is contributing to its exposure. The incident highlights NSO Group's operational security failures and the threat its spyware poses to human rights.

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(techcrunch.com)
Tech

Level Up Your Debian 13 Desktop: Essential Tweaks and Tips

2025-08-14

Debian 13 is here! This guide provides essential tweaks to optimize your new Debian desktop experience. Learn how to enable additional repositories (including non-free software), configure your PATH for easier command-line access, join system groups for simplified administration, use Cloudflare DNS for faster browsing, switch to local mirrors for quicker package downloads, enable Snap and Flatpak for broader software access, install the GNOME Software Center, and manage packages with Synaptic. These steps significantly enhance Debian's usability and efficiency.

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(teejeetech.com)
Development Desktop Optimization

The Math Notebook: A Powerful Tool for Kids

2025-05-09
The Math Notebook: A Powerful Tool for Kids

This article explores the surprising benefits of having kids keep a dedicated math notebook. More than just a place to do homework, a well-chosen notebook becomes a record of progress, a repository of solved problems, and a source of encouragement. The author shares practical advice on notebook size, page style, and even naming the notebook to foster a sense of ownership. Beyond the practical aspects, the article highlights the emotional value of tracking a child's mathematical journey, building confidence and a love of learning.

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(kidswholovemath.substack.com)
Misc learning habits

Sub-$50 AI Reasoning Model Rivals Cutting-Edge Competitors

2025-02-06
Sub-$50 AI Reasoning Model Rivals Cutting-Edge Competitors

Researchers at Stanford and the University of Washington trained an AI reasoning model, s1, for under $50 using cloud compute. s1's performance matches state-of-the-art models like OpenAI's o1 and DeepSeek's R1 on math and coding tasks. The team leveraged knowledge distillation, using Google's Gemini 2.0 Flash Thinking Experimental as a teacher model and a dataset of 1,000 carefully curated questions. This low-cost replication raises questions about the commoditization of AI and has reportedly upset large AI labs.

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(techcrunch.com)
AI knowledge distillation low-cost AI

Reddit Moderators Battle Generative AI Spam: A Time-Wasting War

2025-02-17
Reddit Moderators Battle Generative AI Spam: A Time-Wasting War

Reddit moderators are grappling with a surge of generative AI-produced spam, filled with irrelevant posts and attacks on users. While some moderators acknowledge AI's potential for novel content, many find the low-quality output and difficulty in distinguishing AI-generated content from human-generated content overwhelming. The biggest issue, however, isn't the content itself but the significant time investment required for moderation. This time drain, spent identifying AI-generated posts, responding to AI evangelists, and handling appeals, diverts resources from other community-building activities. Moderators describe battling AI enthusiasts as a constant struggle.

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(arstechnica.com)
Development Reddit Moderation Spam

CSS contrast-color(): Automating Color Contrast for Accessibility

2025-05-17
CSS contrast-color(): Automating Color Contrast for Accessibility

CSS's new `contrast-color()` function simplifies color choices by automatically selecting black or white text to contrast with a given background color. This article delves into its usage, compares the WCAG 2.1 and APCA algorithms for contrast calculation, and explores how to use `prefers-contrast` media queries for better accessibility. While currently limited to black/white, future iterations may offer more customizable options. The function simplifies development while improving accessibility, particularly when managing multiple color states.

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(webkit.org)
Development Color Contrast

Spellcheckers in the 1980s: A Memory War

2025-08-13

Creating a spellchecker for a new MS-DOS word processor in 1984 was a monumental challenge. Computers boasted meager memory (often just 256K), forcing programmers to employ ingenious compression techniques and algorithms to fit the dictionary and spellchecking functionality. This stands in stark contrast to today, where implementing a spellchecker is a trivial task, highlighting the enormous strides made in software engineering and computing power. The article eloquently portrays this evolution, from a months-long struggle with memory limitations to the simplicity of modern implementations.

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(prog21.dadgum.com)
Development

Jiga: Remote-First Full-Stack Engineer Wanted (Build the 'npm' for Mechanical Engineers)

2025-02-18
Jiga: Remote-First Full-Stack Engineer Wanted (Build the 'npm' for Mechanical Engineers)

Jiga, a fully remote company, is on a mission to accelerate physical product development. They're looking for a full-stack engineer with 3+ years of experience building web applications using React, NodeJS, and MongoDB, along with AWS/EC2/ECS experience. Jiga boasts a no-BS culture focused on performance, trust, and minimal meetings. Benefits include flexible remote work, stock options, and annual team offsites. If you're passionate about building both UIs and APIs, thrive in a fast-paced environment, and own your work, apply!

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(www.ycombinator.com)
Development Remote work Full-stack engineer Physical product development

Chaos at the NNSA: Mass Firings Paused Amidst Confusion

2025-02-15
Chaos at the NNSA: Mass Firings Paused Amidst Confusion

The National Nuclear Security Administration (NNSA), responsible for the US nuclear weapons stockpile, experienced a chaotic mass firing of hundreds of employees over two days. Employees were given little warning, locked out of emails, and dismissed under a broader Department of Energy initiative spearheaded by the Trump administration and linked to Elon Musk's government efficiency push. Despite the agency's critical role, it received no national security exemption. The firings were ultimately paused amid confusion and uncertainty, with some terminations rescinded. However, the event raised serious concerns about the impact on morale and the retention of highly specialized nuclear security personnel.

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(www.npr.org)
Tech nuclear security mass firings trump administration
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