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Maestro: A Simple and Effective UI Testing Framework for Mobile and Web

2025-03-01
Maestro: A Simple and Effective UI Testing Framework for Mobile and Web

Maestro is a simple and effective UI testing framework for mobile and web applications. Built upon the lessons learned from Appium, Espresso, UIAutomator, and XCTest, Maestro boasts built-in tolerance for flakiness (handling unstable UI elements and taps) and delays (automatically waiting for content to load without `sleep()` calls). Its interpreted nature allows for blazing fast iteration, while its declarative YAML syntax simplifies test definition. A single binary makes setup a breeze. Check out docs.maestro.dev to get started.

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(github.com)
Development testing framework

Trump's USAID Freeze Cripples Global TB Fight

2025-02-13
Trump's USAID Freeze Cripples Global TB Fight

The Trump administration's abrupt freeze on foreign aid, targeting the US Agency for International Development (USAID) and its eventual dismantling, has sent shockwaves through the global tuberculosis (TB) community. USAID, a primary funder of global TB control, accounting for roughly one-third of international funding, has had its programs abruptly halted. This has resulted in the closure of vital TB diagnosis and treatment services in numerous countries, jeopardizing millions of lives. The freeze not only impacts treatment and prevention but also severely hinders TB research, potentially accelerating the spread of drug-resistant strains. While lawsuits and opposition are underway, the immediate danger to TB patients remains dire, highlighting the crucial role of international cooperation in global public health.

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(www.cidrap.umn.edu)
Tech Tuberculosis USAID Global Health

Oliver Heaviside and the Untold Story of Transmission Lines

2025-01-27

This article unveils the groundbreaking contributions of Oliver Heaviside to transmission line theory. Starting as a humble telegraph operator, Heaviside, through self-study and a deep understanding of Maxwell's equations, solved the signal distortion problems plaguing telegraph technology. He corrected Thomson's model, incorporating inductance, and derived formulas for transmission line impedance and signal propagation speed. Heaviside's invention of Pupin coils, used to compensate for transmission line losses and improve signal quality, continues to impact modern communication technology.

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(www.pa3fwm.nl)
Tech electromagnetism transmission lines

LG Halts XR Commercialization, But R&D Continues

2025-03-20
LG Halts XR Commercialization, But R&D Continues

LG has confirmed it's ceasing commercialization of its XR products, but will continue long-term R&D. This follows reports that the XR market's growth hasn't met LG's expectations, leading them to refocus on HVAC and robotics. Despite this, LG's partnership with Meta on next-gen XR devices remains, although the project has faced reported delays and cancellation rumors. This has fueled speculation that Meta may have sought alternative partners, such as Asus and Lenovo, to bolster its Horizon OS ecosystem.

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(www.uploadvr.com)
Tech

California Wildfires Wipe Out Decades of Climate Progress

2025-01-20
California Wildfires Wipe Out Decades of Climate Progress

A University of Chicago study reveals that California's 2020 wildfires negated nearly two decades of emission reduction efforts. The fires caused billions of dollars in economic losses and fatalities, significantly jeopardizing the state's climate goals. The study shows that a single year's wildfire emissions amounted to almost half of California's 2030 emission reduction target, highlighting the critical need for wildfire prevention in state climate policy.

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(news.uchicago.edu)
Tech Greenhouse Gas Emissions

Drawing World Flags with Python's Turtle Graphics Library

2025-01-21

This post details the author's journey of using Python's Turtle graphics library to draw flags of various countries by parsing SVG files. Starting from a simple Java drawing exercise, the author progressed to a more complex SVG parsing implementation using Python and Turtle. They overcame numerous challenges including coordinate transformation, Bézier curve rendering, and style application. The author successfully rendered a large number of flags, including complex ones previously considered 'impossible,' such as the flag of Wales. While some issues remain unresolved, this post showcases the author's programming skills and persistence.

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(jtanx.github.io)
Development

Stolen Van Dyck Portrait Recovered After 73 Years

2025-03-29

In July 1951, Anthony van Dyck's Portrait of Wolfgang Wilhelm of Pfalz-Neuburg was stolen from Boughton House, Northamptonshire. This grisaille, one of thirty-seven oil sketches from van Dyck's Iconography series, embarked on a 73-year journey through the hands of experts, auctioneers, and collectors, spanning continents. A meticulous investigation, involving archival research and international collaboration, ultimately led to its return to Boughton House in 2024, revealing a captivating tale of theft, intrigue, and the persistent pursuit of justice.

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(britishartjournal.co.uk)
Misc art theft Anthony van Dyck Boughton House

Vestigial Ear Muscles Activate During Effortful Listening

2025-01-31
Vestigial Ear Muscles Activate During Effortful Listening

A new study reveals that human auricular muscles, once used to move our ears, reactivate during challenging listening tasks. Scientists used electromyography to measure muscle activity while participants listened to audiobooks with competing sounds. The results showed increased activity in the superior auricular muscles when hearing was difficult, suggesting these vestigial muscles may play a role in attentional mechanisms. While the muscle movements are minuscule and likely don't improve hearing, their activation could serve as an objective measure of listening effort.

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(www.frontiersin.org)
Tech hearing auricular muscles

The Rise of Open, Multi-Engine Data Lakehouses: An S3 and Python Implementation

2025-02-18
The Rise of Open, Multi-Engine Data Lakehouses: An S3 and Python Implementation

The data industry is experiencing a surge in the adoption of open, multi-engine data lakehouses. This six-part series details building an open lakehouse using S3 and Python, supporting multiple engines. Snowflake's Open Catalog manages metadata, while PyArrow and Polars enable data processing and analysis. The result? Concurrent read/write capabilities across Spark, Snowflake, and Polars, eliminating costly ETL processes and representing a significant data stack evolution.

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(tower.dev)
Development multi-engine

Is Online Debate Making Us Dumber?

2025-02-17
Is Online Debate Making Us Dumber?

The internet promised a renaissance of discourse, but instead, we find ourselves engaged in low-quality arguments amplified by social media algorithms. These platforms reward conflict, making it difficult to change minds and fostering a Dunning-Kruger effect where confidence outweighs understanding. The author argues that online debate actively harms our thinking, suggesting we shift towards deep reading, writing, and more conducive environments for genuine learning, rather than focusing on winning arguments.

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(www.joanwestenberg.com)
Misc online debate cognitive bias

Complete Decompilation of LEGO Island (1997)

2024-12-23
Complete Decompilation of LEGO Island (1997)

The isle project has achieved a functionally complete decompilation of the classic game LEGO Island (Version 1.1, English) released in 1997. The goal is to create an accurate representation of the original game's code, matching recompiled instructions to the original machine code. Both ISLE.EXE and LEGO1.DLL are fully decompiled and functionally identical to the originals. Further work focuses on improving code accuracy, naming, documentation, and structure. While some bugs may remain, the game is playable. The project uses CMake and recommends Microsoft Visual C++ 4.2 for compiling for optimal accuracy.

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(github.com)
Game game decompilation LEGO Island reverse engineering

Conquering HN Overload: AI-Powered Personalized Tech News

2025-05-12
Conquering HN Overload: AI-Powered Personalized Tech News

The author, a long-time Hacker News user, struggled with information overload. To combat this, he built two tools: Tobie, a Telegram bot that delivers personalized HN posts based on keywords and vote thresholds; and HaNe, a Chrome extension that provides archived links for paywalled articles, quick access to HN threads, and AI-summarized comments. These tools significantly improved his reading efficiency, reduced screen time, and alleviated information anxiety.

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(reorientinglife.substack.com)
Development

The Myth of High IQ: Just How Smart Was Einstein?

2025-02-23
The Myth of High IQ: Just How Smart Was Einstein?

This article challenges the common fantasy of assigning high IQ scores to historical figures, particularly Einstein's supposed IQ of 160. By analyzing Einstein's academic record and the limitations of modern IQ tests, the author argues that extremely high IQ scores (e.g., above 160) are unreliable. High-range IQ tests suffer from significant measurement error, and the correlation between such scores and real-world achievements is weak. The author critiques flawed studies, such as Anne Roe's estimations of Nobel laureates' IQs. The conclusion is that the obsession with stratospheric IQ scores is unfounded; true genius lies in creativity, deep thinking, and drive, not a single number.

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(www.theseedsofscience.pub)
AI Einstein Scientific Research

Biden's Warning: The Tech Oligarchy Has Been Here for Years

2025-01-19
Biden's Warning: The Tech Oligarchy Has Been Here for Years

This article argues that the American tech oligarchy isn't a new phenomenon, but rather the culmination of years of gradual development. It criticizes the Democratic Party's long history of enabling tech giants through subsidies, tax breaks, and other incentives, fueling their rise to power. The author contends that tech giants control crucial digital infrastructure, wielding immense influence over information dissemination and social life, exceeding the power of lawmakers and the public. The article calls for antitrust measures, strengthened worker rights, higher taxes, and a fundamental shift in the Democratic Party's relationship with tech giants to curb their power.

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(www.bloodinthemachine.com)
Tech Tech Oligarchy Politics

Pi-hole v6 Released: Performance Boost and Revamped UI

2025-02-18

Pi-hole v6 is here! This release features a major overhaul, integrating an embedded web server and REST API, eliminating lighttpd and PHP for improved performance and a smaller footprint. New features include support for subscribed allowlists, a consolidated configuration file, a redesigned user interface with basic and expert modes, native HTTPS support, and an Alpine-based Docker image for reduced size. The upgrade automatically migrates configurations, but backing up is recommended.

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(pi-hole.net)
Development network filtering

Blosc2 3.0: Breaking the Memory Wall, Computing with TB-Sized Datasets

2025-03-31
Blosc2 3.0: Breaking the Memory Wall, Computing with TB-Sized Datasets

Blosc2 3.0 introduces an integrated compute engine, enabling high-performance computation on datasets over 100 times larger than available RAM. By tightly integrating compression and computation and leveraging CPU caches to process compressed data chunks, it effectively addresses the memory wall problem. Experiments demonstrate Blosc2 maintains high performance with datasets up to 8TB, even outperforming in-memory performance with on-disk storage for very large datasets. This is a significant advancement for big data analytics and high-performance computing.

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(ironarray.io)
Development

The Two Hardest Things in Computer Science: A Deep Dive

2025-01-20
The Two Hardest Things in Computer Science: A Deep Dive

A classic programmer joke states: "There are only two hard things in Computer Science: cache invalidation and naming things." This article traces the origin and evolution of this witty phrase, exploring its humor and deeper meaning. From its initial concise form to variations incorporating 'off-by-one errors' and more, the joke reflects the numerous challenges programmers face daily, highlighting the complexity and amusement inherent in programming.

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(martinfowler.com)
Development

Exploring the Fourth Dimension: A Journey into 4D Geometry

2025-01-28

This article uses engaging analogies to explain the concept of the fourth dimension. By imagining a 2D being observing a 3D object, the author illustrates how we might perceive a 4D hypercube. It clearly explains how to understand 4D geometry through cross-sections, and utilizes rotation matrices and linear algebra to calculate and visualize the projection of a rotated hypercube into 3D space, resulting in complex geometric forms.

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(axalatar.github.io)
Misc fourth dimension

Washington Post Drops 'Democracy Dies in Darkness' Slogan

2025-01-16
Washington Post Drops 'Democracy Dies in Darkness' Slogan

The Washington Post has abandoned its iconic 'Democracy Dies in Darkness' slogan, replacing it with 'Riveting Storytelling for All of America.' This shift has sparked internal controversy and is linked to owner Jeff Bezos' refusal to endorse Kamala Harris and a pursuit of aggressive growth targets. The new strategy emphasizes an AI-powered platform to deliver news to all Americans, aiming for 200 million paying users. This move is seen as a strategic pivot driven by commercial pressures, raising concerns about the Post's journalistic independence and values.

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(www.avclub.com)
Tech Washington Post Journalism Business Strategy

Planet's Daily Global Aircraft Detection from Satellite Imagery

2025-03-24

Planet has developed a daily global aircraft detection analytic feed using PlanetScope and SkySat imagery combined with machine learning. The system identifies aircraft ≥25 meters in length or wingspan, leveraging high-resolution SkySat imagery for improved accuracy. This technology offers valuable insights for defense, intelligence, and commercial sectors, enabling analysis of global air traffic patterns, economic trend prediction, and anomaly detection.

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(www.planet.com)
Tech Satellite Imagery Aircraft Detection

The Mind-Blowing Secrets of the Number Line

2025-02-19
The Mind-Blowing Secrets of the Number Line

This article delves into the surprising complexities hidden within the seemingly simple number line. The author argues that even integers warrant deeper consideration regarding their existence and distinctness. Even more shockingly, the vast majority of numbers on the number line are non-computable, meaning they cannot be precisely expressed or calculated, exceeding the limits of human comprehension. This challenges our understanding of numbers and reveals the endless mysteries of the mathematical world.

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(mathwithbaddrawings.com)
Misc Number Theory Non-computable Numbers

Seamless Docker to Podman Migration with a Single Script

2025-02-21
Seamless Docker to Podman Migration with a Single Script

Tired of Docker's complexities? `fly-to-podman` is a simple bash script that effortlessly migrates your Docker containers, images, and volumes to Podman. It preserves your container data and configurations (mounts, ports, etc.), allowing for migration of images, volumes, containers, and networks individually or all at once. Transition to a more secure and streamlined containerization experience without root privileges!

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(github.com)
Development Container Migration

Yandex Open-Sources Perforator: Continuous Profiling Without Production Performance Hit

2025-02-01
Yandex Open-Sources Perforator: Continuous Profiling Without Production Performance Hit

Yandex has released Perforator, an open-source continuous profiling tool built on eBPF technology. Perforator collects CPU profiles from production environments without impacting performance. Already deployed on tens of thousands of Yandex servers, it helps developers identify and resolve performance bottlenecks. Supporting languages like C++, C, Go, and Rust (with experimental Java and Python support), it features scalable storage, a user-friendly query language and UI, and sPGO profile generation for Profile Guided Optimization (PGO). Perforator boasts minimal resource consumption and is easily deployable on various environments, from laptops to Kubernetes clusters.

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(github.com)
Development open source tool

China's Supreme Court Cracks Down on Academic Paper Mills

2025-03-04
China's Supreme Court Cracks Down on Academic Paper Mills

China's Supreme People's Court has issued its first-ever guidance on cracking down on academic paper mills, aiming to curb scientific fraud. While previous government regulations existed, paper mills – businesses that produce fraudulent or low-quality manuscripts – have persisted. The court's guidelines instruct lower courts to severely punish 'paper industry chains' and research fraud. The number of paper mill-related cases has increased in recent years, with court rulings shifting from recognizing contracts with paper mills as valid to deeming them invalid, reflecting a stronger emphasis on academic integrity and fair competition. While some researchers are optimistic this will curb misconduct, others remain skeptical of its impact.

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(www.nature.com)
Tech paper mills

Decoding METAR, TAF, and Pilot Reports: A Comprehensive Guide

2025-01-07

This article provides a comprehensive guide to decoding METAR (Aviation Routine Weather Report), TAF (Terminal Aerodrome Forecast), and pilot reports. METARs, issued hourly, provide real-time airfield weather conditions; SPECI reports are issued for significant changes. TAFs are issued every few hours and updated as needed. The article meticulously explains the codes and abbreviations within these reports, covering wind, visibility, weather phenomena, cloud cover, temperature, and altimeter settings, with examples and interpretations. Mastering these decoding skills is crucial for pilots to understand their flight environment and ensure safety.

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(met.nps.edu)
Tech Aviation Meteorology

Computational Geometry with Probabilistically Noisy Primitives

2025-01-20

A new preprint explores computational geometry algorithms under probabilistically noisy primitive operations. Many such algorithms rely on primitives accessing input coordinates and converting them to combinatorial information. The paper considers primitives randomly producing incorrect results and investigates achieving high-probability correct outcomes without significant efficiency loss. It finds that for some problems (like convex hull construction), slowdown from repetition can be avoided, while for others (like finding closest pairs), it cannot. This connects to prior work on communication complexity using noisy comparisons to improve efficiency.

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(11011110.github.io)
Development computational geometry probabilistic noise algorithm efficiency

Revolutionary All-Optical Nanoscale Force Sensors Access Unreachable Environments

2025-01-03
Revolutionary All-Optical Nanoscale Force Sensors Access Unreachable Environments

Columbia University researchers have developed revolutionary all-optical nanoscale force sensors capable of measuring forces with unprecedented sensitivity and dynamic range. These sensors utilize the photon-avalanche effect, enabling remote, light-based force detection without physical connections. Applications span robotics, cellular biophysics, medicine, and even space exploration. This breakthrough promises to transform force sensing technology, opening up new possibilities for measurements in previously inaccessible environments.

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(phys.org)
Tech nanotechnology force sensor optics

Hello World: Minimized to 167 Bytes

2025-01-02
Hello World: Minimized to 167 Bytes

This article documents the author's journey to create the smallest possible 'Hello World' program. Initially using Rust, the author discovered that minimizing the binary size required a deep dive into low-level programming. Ultimately, assembly language was chosen, and through clever techniques such as removing debugging symbols and manually crafting the ELF header, a 64-bit Linux 'Hello World' program was reduced to an impressive 167 bytes! The article delves into the file size expansion during the linking process and the details of the ELF file format, making it highly valuable for low-level system developers.

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(blog.lohr.dev)
Development minimal program

PyVista: Democratizing 3D Visualization

2025-01-22
PyVista: Democratizing 3D Visualization

PyVista is an open-source Python library simplifying 3D visualization and analysis. Built on VTK, it offers a user-friendly interface, empowering even novice programmers to create compelling visualizations of spatial data. Used across science and engineering, PyVista boasts a vibrant community and provides professional services and support.

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(pyvista.org)
Development
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