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Nostalgic Colored Bar Paper: Web Simulation and History

2025-03-24

This article revisits the colored bar paper popular until the late 1990s, which used colored horizontal bars to aid reading. The author simulates various colors (including green, blue, yellow, and more) of bar paper effects on a webpage and explains how to mimic this style in modern software and web design. The article also touches upon the historical context and the different approaches to simulating this effect in different software and web environments.

(mw.rat.bz)

Design retro style printing paper

Quantum Systems and the Arrow of Time: A Groundbreaking Discovery

2025-02-16

A study published in Scientific Reports explored the interaction of a quantum system with its environment (an open quantum system), attempting to explain why we perceive time as flowing in one direction. By simplifying the model and assuming a vast environment where energy and information don't return, researchers investigated how time emerges as a unidirectional phenomenon. Surprisingly, even under these assumptions, the system behaved identically whether time moved forward or backward. This provides a mathematical foundation for time-reversal symmetry still holding in open quantum systems, suggesting the arrow of time may not be as fixed as we experience.

(www.surrey.ac.uk)

Tech arrow of time open quantum systems

Cloud Provider Bills Gone Wild: A Gamer's Nightmare After a DDoS Attack

2025-09-07

Cloud Provider Bills Gone Wild: A Gamer's Nightmare After a DDoS Attack

A developer running a semi-popular WebGL game uploading site was hit by a DDoS attack, resulting in a $100,000 Firebase bill. This was just the beginning of his nightmare. He received shockingly high bills from BigQuery, Cloudflare, AWS S3, Netlify, and Vercel, totaling tens of thousands of dollars. The causes ranged from email spamming during the attack, database loss, and massive spikes in traffic due to malicious activity. These cases highlight the importance of cloud cost management and the devastating impact of DDoS attacks on online businesses.

(serverlesshorrors.com)

Development unexpected bills

Bypassing JTAG Locks on Microchip SAM4C32 via Voltage Glitching

2025-04-02

A security researcher has discovered a voltage glitching attack that bypasses the JTAG lock on the Microchip SAM4C32 microcontroller. The attack exploits the reset pin as a side channel, injecting a voltage glitch during power-up to disable the security bit and gain unlocked JTAG access. This method may be applicable to many SAM series microcontrollers using GPNVM bits for security. The vulnerability is likely difficult to patch, posing a significant threat to devices relying on these microcontrollers.

(wiki.recessim.com)

Hardware voltage glitching

From Embedded Software to PCB Inventory Management: A Highly Efficient System

2025-07-31

An embedded software engineer, while designing printed circuit boards (PCBs), encountered the challenge of managing numerous electronic components. He cleverly applied his software development experience to hardware management, using the Gridfinity modular storage system and a self-written software to achieve efficient component inventory management. The software not only quickly locates components based on the BOM (Bill of Materials) but also allows for batch inventory management, greatly improving efficiency. Future plans include adding bulk purchasing functionality and smarter search capabilities.

(www.vincentuden.xyz)

Development

Gboard Android Gets Rounder Keys in Beta

2025-03-07

Gboard Android Gets Rounder Keys in Beta

Google is rolling out a new design for some Gboard beta testers on Android, featuring circular and pill-shaped keys. This isn't just a minor tweak; the key shapes have been significantly redesigned, moving from rounded rectangles to circles and pills for letters, with the spacebar and other keys adopting a pill shape. While touch targets remain unchanged, the visual impact is substantial, giving Gboard a more modern feel. However, users with "Long press for symbols" enabled might find the layout cramped. This change is currently limited to some Gboard beta (version 15.1) users and a wider rollout is yet to be confirmed by Google.

(9to5google.com)

Development

Chile Air Quality Map: Real-time Monitoring, Protecting Health

2024-12-27

The Chile Air Quality Map is a real-time air quality monitoring platform providing accurate and reliable air pollution information to Chilean citizens. Users can visually see Air Quality Index (AQI) levels for different regions via the map interface and take appropriate precautions based on pollutant concentrations. This platform enhances public environmental awareness and provides data to support government policies on air pollution control, ultimately aiming to protect public health and create cleaner air.

(calidaddelairecl.vercel.app)

Tech air quality environmental monitoring

Haskell Functors: Elegantly Handling Values in Context

2025-04-05

In Haskell, Functors provide a powerful abstraction for working with values wrapped in contexts like Maybe or lists. The `fmap` function elegantly applies functions to these values, avoiding type errors that would arise from direct function application. The article details the Functor definition, the role of `fmap`, and the identity and composition laws Functors must obey, illustrating with examples using Maybe and lists. It concludes by highlighting the benefits of Functors in creating cleaner, more readable code.

(codehakase.com)

Development

Critical Security Flaw Found in Contec CMS8000 Patient Monitor Firmware

2025-01-31

CISA issued a security advisory revealing critical vulnerabilities in the firmware of the Contec CMS8000 patient monitor. Analysis shows all three firmware versions analyzed contain a backdoor with a hardcoded IP address (CVE-2025-0626) and functionality that could lead to patient data spillage (CVE-2025-0683). These vulnerabilities could allow remote code execution and device modification, jeopardizing patient safety. CISA urges users to update firmware and take additional security measures.

(www.cisa.gov)

Tech medical security cybersecurity vulnerability

Spotilyrics: Code with Synced Spotify Lyrics in VS Code

2025-09-01

Spotilyrics: Code with Synced Spotify Lyrics in VS Code

Tired of juggling coding and remembering lyrics? Spotilyrics, a VS Code extension, seamlessly syncs your Spotify lyrics right into your editor. Color-themed from your album art, the lyrics appear in a smooth side panel, letting you code on one side and enjoy the music on the other. A simple one-time login with your Spotify Client ID is all it takes. Boost your coding vibe and productivity—install it now!

(github.com)

Development

Japan Launches $693M Initiative to Lure US Researchers

2025-06-16

Japan Launches $693M Initiative to Lure US Researchers

Amidst concerns over the Trump administration's policies impacting US academic freedom and research funding, Japan is aggressively courting disgruntled American researchers. A ¥100 billion ($693 million) package aims to create a world-class research environment, attracting top talent in fields like AI and semiconductors. This move follows similar initiatives in Europe and the UK, highlighting a global competition for scientific expertise. Japan's investment is further bolstered by its own ambitious semiconductor development plans.

(www.theregister.com)

Tech global talent competition global talent war

Heaney's Letters: A Poet's Life and Struggles

2025-05-30

This collection of Seamus Heaney's letters offers a fascinating glimpse into the life of one of Ireland's most celebrated poets. From his early struggles to his Nobel Prize win, the letters reveal the complexities of his journey. We see his friendships with other poets, his reflections on his work, his thoughts on life and death, and his conflicted feelings about fame and the demands of public life. Heaney's witty and poetic style shines through, revealing a man who was both deeply thoughtful and surprisingly humorous. The letters offer a compelling portrait of a poet grappling with the challenges of success while maintaining his integrity and compassion.

(salmagundi.skidmore.edu)

Misc

3200% CPU Usage? An Unguarded TreeMap Caused My Nightmare

2025-02-28

3200% CPU Usage? An Unguarded TreeMap Caused My Nightmare

The author's machine hit 3200% CPU utilization! The culprit? An unprotected `TreeMap`. Concurrent access from multiple threads created a cycle in the red-black tree, causing the program to get stuck in `TreeMap.put()`. Experiments reproduced the issue, revealing that only languages allowing NullPointerException catches could exhibit this problem. Solutions are discussed, highlighting the importance of code reviews, static analysis, and multithreaded tests in preventing such issues.

(josephmate.github.io)

Development

My Adventures with LLM Coding Agents: Level Up Your AI-Assisted Development

2025-08-23

My Adventures with LLM Coding Agents: Level Up Your AI-Assisted Development

This post details a hobbyist's journey using Large Language Model (LLM) coding agents to build software beyond their skill level. The author shares hard-won tips for maximizing efficiency, including effective context management (providing relevant information without overwhelming the model), meticulous design documentation, detailed planning and task breakdown, comprehensive logging for debugging, and defensive Git strategies. The author emphasizes the importance of using tools to extract information from large files, compacting context to avoid losing the big picture, and treating the agent as a tool rather than a collaborator. By following these strategies, the author successfully completed a complex project.

(efitz-thoughts.blogspot.com)

Development

Is Blogging Still Relevant in the Age of AI?

2025-02-25

Is Blogging Still Relevant in the Age of AI?

This post explores the value of blogging in the era of ChatGPT and other AI tools. While AI can easily access and synthesize information, blogging remains valuable: it solidifies one's knowledge, helps others, builds a personal brand (though this is difficult to achieve solely through blogging), provides a sense of accomplishment, and builds a writing portfolio showcasing thinking skills, benefiting career development. The author argues that AI's main impact on blogging is reducing the sense of accomplishment from reader interaction, but this doesn't negate blogging's overall value.

(www.gilesthomas.com)

Development

The Invisible Barriers Holding You Back

2025-08-16

The Invisible Barriers Holding You Back

A story about a dog confined by a defunct electric fence highlights the invisible barriers we create in our lives. These self-imposed limitations, often rooted in past hurts or societal conditioning, prevent us from connecting with others. The author argues that reaching out, despite fears of appearing needy or weak, is a sign of strength and courage. Breaking free requires just twenty seconds of bravery to send a message, make a call, or express care—a small act with significant liberating power.

(soonly.com)

Misc

Selling Grandma's Silver: A Modern Dilemma

2025-09-07

Selling Grandma's Silver: A Modern Dilemma

The author inherits her grandmother's exquisite silverware and china, representing a bygone era of elegance and hospitality. Unable to maintain this lifestyle, she grapples with the decision to sell the cherished heirlooms. This poignant story contrasts the fast-paced modern life with the traditional values of her grandmother's generation, highlighting the complexities of balancing tradition with contemporary living and the changing concept of value.

(commonreader.wustl.edu)

Misc

Pink Floyd's 'The Wall': A Descent into Isolation and the Search for Meaning

2024-12-12

Pink Floyd's 'The Wall' is a groundbreaking concept album chronicling the fictional Pink's journey from childhood trauma to self-imposed isolation. Haunted by the loss of his father in World War II, a domineering mother, and the crushing weight of fame, Pink constructs a metaphorical wall to shield himself from emotional pain. This wall, built brick by brick through life's hardships, leads him to the brink of insanity. Yet, the narrative explores themes of freedom and responsibility, culminating in a theatrical mental trial that leaves the listener questioning the nature of life, loss, and redemption. Inspired by Roger Waters' personal experiences and disillusionment with stardom, 'The Wall' remains a powerful and enduring piece of musical art.

(thewallanalysis.com)

Game The Wall Concept Album

Bypassing Windows Kernel Mitigations: A Deep Dive into Violet Phosphorus

2024-12-13

This post delves into bypassing modern Windows 10 and 11 kernel mitigations like SMEP and VBS. The author details Violet Phosphorus, a universal VBS/SMEP bypass technique, providing PoC code and a ROP chain. It explains SMEP and VBS, demonstrating how to exploit a vulnerability in the HackSysExtremeVulnerableDriver to use ROP gadgets and the MiGetPteAddress function to modify page table entries for kernel code execution. The author also shows how to use Kristal-G's SYSRET shellcode to return to user mode. This is a valuable resource for kernel exploit development and security researchers, categorized as Development.

(wetw0rk.github.io)

Development kernel exploit SMEP bypass VBS bypass

Hexagonal Architecture in Rails: A Path to Decoupling

2024-12-13

Hexagonal Architecture in Rails: A Path to Decoupling

This article explores implementing Hexagonal Architecture (Ports and Adapters pattern) in Rails applications. The author initially struggled with the pattern until realizing that 'adapter' directly refers to the Gang of Four Adapter Pattern. The article details inbound and outbound ports, and how adapters decouple application logic from external services (databases, logging, email, etc.). Rails controllers can serve as HTTP adapters, but the author stresses avoiding direct ActiveRecord usage. Instead, custom repositories access data, improving decoupling and maintainability. The article concludes by encouraging Rails developers to adopt Hexagonal Architecture for more robust and maintainable applications.

(the.codegardener.com)

Development Hexagonal Architecture

Less AI Knowledge, More AI Acceptance?

2025-01-27

Less AI Knowledge, More AI Acceptance?

New research reveals a surprising finding: people with less knowledge about AI are more open to integrating it into their daily lives. This contradicts common assumptions. The study found higher AI acceptance rates in nations with lower average AI literacy. The reason? AI's ability to perform tasks previously thought exclusive to humans creates a sense of wonder and awe. Those familiar with AI's technical workings see it as a tool, not magic. Promoting AI requires balancing public understanding with maintaining enthusiasm to fully harness its potential.

(theconversation.com)

AI AI acceptance AI literacy

AMD Unveils Instella: A Family of Fully Open 3B Parameter Language Models

2025-03-24

AMD has announced Instella, a family of fully open, state-of-the-art 3-billion-parameter language models (LLMs) trained from scratch on AMD Instinct™ MI300X GPUs. Instella outperforms existing fully open models of similar size and achieves competitive results against leading open-weight models like Llama-3.2-3B. AMD is open-sourcing all model artifacts, including weights, training configurations, datasets, and code, to foster collaboration and innovation within the AI community. The models leverage efficient training techniques and a multi-stage training pipeline.

(rocm.blogs.amd.com)

AI

First mRNA Vaccine Against Antibiotic-Resistant Bacteria Developed

2025-07-14

First mRNA Vaccine Against Antibiotic-Resistant Bacteria Developed

Researchers from Tel Aviv University and the Israel Institute for Biological Research have leveraged COVID-19 vaccine technology to create the world's first mRNA-based vaccine against a deadly, antibiotic-resistant bacterium. The vaccine, targeting *Yersinia pestis* (the cause of bubonic plague), demonstrated 100% protection against pneumonic plague in animal models. This groundbreaking technology holds promise for combating other lethal bacteria, offering a new hope in global public health. The study is featured in *Advanced Science*.

(medicalxpress.com)

Tech antibiotic-resistant bacteria

Why LLMs Don't Reach for Calculators: A Deep Dive into Reasoning Gaps

2025-02-20

Why LLMs Don't Reach for Calculators: A Deep Dive into Reasoning Gaps

Large Language Models (LLMs) surprisingly fail at basic math. Even when they recognize a calculation is needed and know calculators exist, they don't use them to improve accuracy. This article analyzes this behavior, arguing that LLMs lack true understanding and reasoning; they merely predict based on language patterns. The author points out that LLM success masks inherent flaws, stressing the importance of human verification when relying on LLMs for crucial tasks. The piece uses a clip from "The Twilight Zone" as an allegory, cautioning against naive optimism about Artificial General Intelligence (AGI).

(www.mindprison.cc)

AI

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

Elegant Functional Programming Examples: A Showcase

2025-03-18

This code showcases the elegance and conciseness of functional programming. It demonstrates functions for calculating rectangle areas, converting rectangle data from different formats, comparing string array elements, and flipping coordinate points. The use of pattern matching and macro definition enhances readability and expressiveness, highlighting the power of functional programming. The final example of flattening a tree structure beautifully illustrates recursion. These examples perfectly demonstrate how functional programming paradigms improve code maintainability and reusability.

(rhombus-lang.org)

Development pattern matching code examples

Alpine Linux Needs Your Help After Equinix Metal Sunset

2025-02-06

Alpine Linux's core infrastructure relies on Equinix Metal, which is being discontinued. This impacts their download mirrors, continuous integration, and development environment. To ensure service continuity, Alpine Linux is seeking community help, including colocation space in the Netherlands, bare-metal servers (for mirrors and CI) or VMs, and financial contributions. They highlight the importance of sustainable funding and encourage donations via Open Collective.

(alpinelinux.org)

Development community support

The Schwartzian Transform: A Programming Epic

2025-08-05

The Schwartzian Transform: A Programming Epic

This article recounts the fascinating history of the Schwartzian Transform. It began in 1994 with a concise piece of code by Randal Schwartz on Usenet, designed to optimize sorting algorithms. This code became legendary for its elegance and the impact it had on Perl programmers at the time, sparking debates about code readability, functional programming, and the nature of Perl itself. Though initially unnamed by Schwartz, the technique eventually bore his name, appearing in numerous Perl books and establishing itself as a classic algorithm. The article also explores variations, such as Joseph Hall's Orcish Maneuver, and its application across various programming languages.

(www.perl.com)

Development

Unregistry: A Lightweight Docker Image Registry for Effortless Transfers

2025-06-19

Unregistry: A Lightweight Docker Image Registry for Effortless Transfers

Unregistry is a lightweight container image registry that stores and serves images directly from your Docker daemon's storage. The `docker pussh` command allows pushing images to remote Docker servers over SSH, transferring only missing layers for speed and efficiency. Bypass the complexities of Docker Hub or self-hosted registries; simply use `docker pussh myapp:latest user@server` for a direct, simple transfer. It establishes an SSH tunnel, runs a temporary Unregistry container, pushes only missing layers, then closes the tunnel. Perfect for production deployments, CI/CD pipelines, and air-gapped environments.

(github.com)

Development Image Transfer Lightweight Registry

Augmented Vertex Block Descent: A Breakthrough in Real-time Physics Simulation

2025-06-21

Researchers have developed Augmented Vertex Block Descent (AVBD), a novel physics simulation method that is unconditionally stable, highly parallelizable, and boasts significantly improved convergence and handling of complex constraints. AVBD efficiently handles complex scenarios such as rigid body stacking, friction, joint constraints, and rigid-soft body interactions. A GPU implementation achieves real-time performance, maintaining stability even with millions of objects interacting through collisions. Compared to state-of-the-art alternatives, AVBD demonstrates superior performance, convergence, and stability, with a 2D online demo available.

(graphics.cs.utah.edu)

Development physics simulation

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