Why Tracebit Chose C#: A Security Startup's Tech Stack Story

2025-02-01
Why Tracebit Chose C#: A Security Startup's Tech Stack Story

Tracebit, a B2B SaaS security product, surprisingly chose C# over popular alternatives like Python or Go. The author details the reasoning behind this decision, considering factors such as productivity, open-source availability, cross-platform capabilities, popularity, memory safety, garbage collection, static typing, stability, built-in libraries, and tooling. C#'s strengths in productivity, stability, and a rich ecosystem proved crucial for Tracebit's rapid iteration and growth, especially in managing a large codebase and collaborating effectively within a team.

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Telephoto Lenses: A Traveler's Secret Weapon

2025-09-13

Telephoto lenses, while bulky, offer a unique perspective that elevates travel photography. They eliminate distracting elements, focusing attention on the subject, such as bringing distant mountains and clouds sharply into the center of the frame. The compression effect of a telephoto lens skillfully blends elements at different depths of field—a lake, people on a bench, and distant mountains—into a cohesive image. This article uses real-world examples to showcase the advantages of telephoto lenses in landscape and long-range photography, and employs darktable for post-processing to enhance details and colors, resulting in more impactful images.

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Amsterdam's Fair Fraud Detection Model: A Case Study in Algorithmic Bias

2025-06-14

Amsterdam attempted to build a 'fair' AI model for fraud detection in its welfare system, aiming to reduce investigations while improving efficiency and avoiding discrimination against vulnerable groups. The initial model showed bias against non-Dutch and non-Western applicants. While reweighting the training data mitigated some bias, real-world deployment revealed new biases in the opposite direction, along with significant performance degradation. The project was ultimately shelved, highlighting the inherent trade-offs between different fairness definitions in AI. Attempts to reduce bias in one group can inadvertently increase it in others, demonstrating the complexities of achieving fairness in algorithmic decision-making.

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Monte Carlo Sampling Crash Course: Rejection Sampling and Change of Coordinates

2025-04-14

This article introduces two crucial sampling techniques in Monte Carlo methods: rejection sampling and change of coordinates. Rejection sampling samples a simpler region and filters samples based on an acceptance probability to achieve sampling of a complex region. The article provides a detailed derivation of the probability density function for rejection sampling and extends it to non-uniform distributions. Change of coordinates utilizes the Jacobian determinant to map samples from a simple region to a complex region, enabling efficient sampling. The article uses the unit disk as an example, demonstrating how to achieve uniform sampling using polar coordinate transformation. Both methods have their advantages and disadvantages; rejection sampling is simple and easy to understand but its efficiency depends on the acceptance probability; change of coordinates is efficient but requires finding suitable coordinate transformations.

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EU to Simplify GDPR: A Lifeline for Struggling Businesses?

2025-04-07
EU to Simplify GDPR: A Lifeline for Struggling Businesses?

The European Union is poised to simplify its complex General Data Protection Regulation (GDPR). Since its 2018 implementation, the GDPR has faced criticism for its burdensome compliance requirements, particularly impacting small and medium-sized enterprises (SMEs). Danish Digital Minister Caroline Stage Olsen highlighted the need for simplification, acknowledging the importance of privacy while advocating for less bureaucratic compliance. The European Commission has confirmed an upcoming proposal to streamline the GDPR, aiming to alleviate the compliance burden on SMEs and boost Europe's economy. This move echoes concerns raised by former Italian Prime Minister Mario Draghi about Europe's complex regulations hindering innovation.

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Tech

Goodbye Tedious Workflows: My tmux-Powered Dev Setup

2025-06-23

This post details a highly efficient development workflow built around tmux. The author uses clever tmux configuration and scripting to directly open files on a remote server, seamlessly jump between panes, and switch effortlessly between files—all without local clones. The post walks through the configuration, including regular expressions and scripts, and compares alternatives. The motivation stemmed from frustrations with VSCode's lag and keybinding conflicts. While complex to set up, the author argues the efficiency gains outweigh the cost.

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Development remote development

One Text Note to Rule Them All: A Simple, Effective Note-Taking System

2025-07-26
One Text Note to Rule Them All: A Simple, Effective Note-Taking System

For years, I've used a simple, yet surprisingly effective note-taking method I call "append-and-review." It involves a single text file named "notes" where all ideas and to-dos are appended to the top. Regular reviews involve moving important items to the top via copy-pasting, letting less important ones sink to the bottom. This approach is remarkably efficient, helping me organize thoughts, improve memory recall, and even unearth unexpected connections between old ideas.

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Misc

Doctolib's Agentic AI: Reimagining Healthcare Support

2025-01-03
Doctolib's Agentic AI: Reimagining Healthcare Support

Doctolib is building Alfred, an agentic AI system to augment its healthcare support team. Composed of specialized AI agents, Alfred handles routine queries, freeing human agents for complex cases. Employing a human-in-the-loop approach, Alfred prevents AI from directly executing sensitive actions. A carefully designed UI ensures a smooth user experience. Built on the LangGraph framework, Alfred uses JWTs for secure authentication and user permission propagation. Currently focused on managing doctor calendar access, Doctolib plans to expand Alfred's capabilities to other support scenarios.

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The Empress of Ireland: A Forgotten Tragedy

2025-07-15
The Empress of Ireland: A Forgotten Tragedy

In 1914, the Empress of Ireland sank, claiming 1,014 lives, surpassing even the Titanic's death toll. Yet, unlike the Titanic, the Empress's tragedy remains largely unknown. This article recounts the author's investigation into survivor Gordon Charles Davidson, debunking the fabricated tale of his miraculous swim to shore, and explores why this disaster faded from collective memory, delving into the catastrophe and its impact on society.

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Misc shipwreck

Drunk Idea, Gritty Canal Boat Game Reality: A 3-Month Dev Journey

2025-06-25

While enjoying a Jura whisky, the author had a sudden idea: a gritty canal boat game. Early attempts with outdated software proved frustrating. He switched to the Godot engine, collaborating with a friend, and completed a prototype, "Canal Carnage," in 2 months and 22 days. Despite its 3-minute playtime and rough edges, the project taught valuable lessons about game development and engine usage. The story highlights perseverance and the challenges and rewards of indie game creation.

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IBM Layoffs Hit Thousands, Cloud Classic Takes a Hit

2025-03-20
IBM Layoffs Hit Thousands, Cloud Classic Takes a Hit

IBM insiders report thousands of layoffs across the US, including a quarter of the staff in its Cloud Classic operation. While unannounced publicly, the cuts impact various teams, including consulting, corporate social responsibility, cloud infrastructure, sales, and internal systems. The layoffs are seen as part of IBM's ongoing “Resource Actions” (layoffs) and are coupled with the company's return-to-office push. Reports suggest a shift of jobs to India. The layoffs have fueled employee discontent over CEO Arvind Krishna's salary increase and comments on AI.

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Tech

HP 9845C: A Colorful Pioneer of 80s Computer Graphics

2024-12-13

In 1981, the HP 9845C, the top-of-the-line model in the 9845 series, emerged as the first HP computer to support color, stunning the world with its powerful graphics capabilities. Featuring hardware-accelerated vector drawing and polygon fill, and supporting fast matrix operations for 3D model rendering, this machine initially designed for scientific and engineering use quickly became a multipurpose system, even contributing to the graphic scenes in the 1983 film "WarGames." Its demo program was remarkable, boasting over 4000 lines of code and showcasing cutting-edge concepts like 3D shading, ordered dithering, wireframe rendering, interactive light pen control, and color infographics at a high resolution of up to 4913 colors.

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Cryptome Co-founder John Young Dies at 89: A Fighter for Information Freedom

2025-05-27
Cryptome Co-founder John Young Dies at 89: A Fighter for Information Freedom

John Young, co-founder of the legendary internet archive Cryptome, passed away at age 89. Cryptome, predating WikiLeaks and other similar platforms, served as a vital repository of government documents and information the public had a right to know. Young's activism, rooted in his experiences protesting the Vietnam War and racial segregation, fueled his dedication to transparency. Cryptome's history includes clashes with Microsoft and disagreements with Julian Assange over funding and philosophies. Young's death marks the end of an era, but his legacy of fighting for information freedom continues.

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Christianity and Sexuality: A History of Contradictions

2025-03-11
Christianity and Sexuality: A History of Contradictions

This book delves into the complex history of Christianity's attitude towards sex, from the early church's emphasis on celibacy to the persecution of homosexuals and the complex definition of women's roles. The author meticulously examines the various interpretations of biblical texts on sexuality and reveals how power, social norms, and fear of human desire have shaped the church's stance on sex. Despite the church's historically harsh attitude towards sex, the book also showcases individuals and stories that challenge traditional views and the pursuit of love and devotion. Ultimately, the author reflects on the challenges facing the modern church and the need to rebuild a truly Christian faith based on love and forgiveness.

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The Mystery of Millions of Random DNS Queries from Google

2025-03-11
The Mystery of Millions of Random DNS Queries from Google

Verisign engineers detected an unusually high volume of random domain name queries from Google's DNS to root name servers. These queries contained 12-13 random characters and were not seen at the top-level domain servers. Investigation revealed this was due to Google's nonce prepending and query name minimization techniques to prevent Kaminsky attacks. While this explained much of the phenomenon, the excessively high query rate (2000x higher than expected) and low cache utilization remain unsolved. The case highlights the importance of collaboration in internet security.

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Tech

Chumby 8 Kernel Upgrade: Solving the 100% CPU Usage Mystery

2025-01-13

While upgrading the Linux kernel of his Chumby 8 device to version 6.x, the author encountered a persistent 100% CPU usage problem. Through time-reversal debugging, kernel profiling, and a deep dive into the `/proc/stat` file, the root cause was traced to a timing issue in the kernel code that reads the PXA168 hardware timer register, resulting in inaccurate idle time counting. The author fixed this problem and contributed the solution back to the main Linux kernel.

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Development Hardware Debugging

King of the Hill Revival: Old Friends, New Voices

2025-06-07
King of the Hill Revival: Old Friends, New Voices

The long-awaited King of the Hill revival is finally here! Hulu will premiere the reboot season on August 4th, with the opening credits already released. Sadly, voice actor Johnny Hardwick (Dale Gribble) passed away last year. Toby Huss takes over the role, having previously voiced other characters in the original run. Hardwick's voice will be featured in the first six episodes, with Huss taking over from the seventh. The show also features several changes, including a grown-up Bobby and Hank and Peggy returning to Arlen after years in Saudi Arabia.

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EU's €70B Tech Investment Push to Bridge US Innovation Gap

2025-05-19
EU's €70B Tech Investment Push to Bridge US Innovation Gap

The European Investment Bank (EIB) plans to invest €70 billion in Europe's tech sector by 2027, aiming to close the innovation gap with the US. This initiative, dubbed TechEU, will focus on strengthening Europe's position in AI and military drones, attracting private investment (potentially unlocking €250 billion), and streamlining funding processes. EIB President Nadia Calviño highlights a willingness to take more risks, speeding up venture capital financing from 18 months to a targeted 6 months – a 'gamechanger' for startups. The initiative includes a centralized hub for funding requests and prioritizes defense and security investments, fostering a comprehensive tech ecosystem.

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Apple Account Locked: A Nightmare Caused by an Unpaid Apple Card

2025-05-18
Apple Account Locked: A Nightmare Caused by an Unpaid Apple Card

The author's Apple Card autopay failed due to a bank account change, resulting in overdue payments. Apple subsequently locked his App Store, iCloud, Apple Music, and Apple ID accounts. This incident highlights Apple's extreme measures in handling billing issues, lacking communication and transparency, causing significant user frustration. Although accounts were eventually unlocked, the process took days, and customer support failed to effectively resolve the issue, showcasing Apple's shortcomings in customer service.

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MIT's Open-Source Secure Hardware Design Course: Attack and Defense, Hands-On

2025-04-03

MIT's open-source course, Secure Hardware Design (6.5950/6.5951), uniquely teaches students both how to attack modern CPUs and design resilient architectures. Students gain hands-on experience hacking real processors, learning state-of-the-art hardware attacks and defenses. The course, a culmination of years of work, uses a 'Think-Play-Do' philosophy. Students learn through lectures, interactive CTF-style recitations, and labs involving real hardware attacks (no simulators!). The capstone project challenges students to create a CPU fuzzer to discover bugs in real CPU RTL designs.

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Hardware

DIY Website Font: A Calligraphr Success Story

2025-09-06
DIY Website Font: A Calligraphr Success Story

To personalize his website, the author embarked on a quest to create a custom handwritten font. Initial attempts using open-source tools like Inkscape and FontForge proved frustrating due to their clunky UIs. He switched to the paid service Calligraphr, which uses a print-write-scan workflow. Calligraphr's intuitive interface and powerful features enabled efficient font creation. The author praises Calligraphr's fair pricing and user-friendly data handling, contrasting it favorably with other services.

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Lumina-DiMOO: A Revolutionary Open-Source Multimodal Diffusion Model

2025-09-12

Lumina-DiMOO is an open-source foundational model for seamless multimodal generation and understanding. Unlike previous unified models, it uses a fully discrete diffusion modeling approach for all input and output modalities, resulting in significantly higher sampling efficiency compared to autoregressive or hybrid models. It adeptly handles tasks like text-to-image, image-to-image generation (including editing, subject-driven generation, and inpainting), and image understanding, achieving state-of-the-art performance on multiple benchmarks. The code and checkpoints are publicly available to advance research in multimodal and discrete diffusion modeling.

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AI

Fuchsia Components vs. Linux Containers: A Deep Dive

2025-03-03
Fuchsia Components vs. Linux Containers: A Deep Dive

Google's new operating system, Fuchsia (non-Linux), features a component framework remarkably similar to Linux container solutions like Docker. Both fetch content-addressed blobs from the network, assemble them into isolated filesystems containing all dependencies, and launch namespaced processes rooted in this filesystem. However, this talk focuses on the divergences between these technologies, exploring how their differing use cases and requirements lead to distinct strengths and weaknesses.

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Development Linux containers

The End of the Reading Revolution? The Decline of Reading and the Crisis of Democracy in the Smartphone Age

2025-09-20
The End of the Reading Revolution? The Decline of Reading and the Crisis of Democracy in the Smartphone Age

This article explores the reversal of the reading revolution. The 18th-century reading revolution democratized knowledge, fostering reason and democracy. However, the advent of the smartphone age has led to a sharp decline in reading, with people's attention captured by fragmented information and social media, leading to a decline in critical thinking and cognitive abilities. This not only leads to the loss of knowledge but also threatens the foundation of democratic systems, as democracies require citizens to possess sufficient knowledge and critical thinking skills. The article warns that this trend toward a post-literate society could lead to social regression, returning to a pre-printing era of authoritarianism and superstition.

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Tech

CBA Accused of Bad Faith After Laying Off Aussies, Hiring Indians for Same Roles

2025-07-22
CBA Accused of Bad Faith After Laying Off Aussies, Hiring Indians for Same Roles

The Commonwealth Bank of Australia (CBA) is facing fierce criticism from the Finance Sector Union (FSU) for allegedly laying off hundreds of Australian workers only to hire over 100 Indian software engineers for identical roles. The FSU claims CBA violated its enterprise agreement, accusing the bank of deceptive, piecemeal redundancies to avoid public scrutiny. While CBA argues a shortage of tech talent in Australia necessitates overseas hiring and highlights its AI and data science initiatives in India, the move has sparked outrage amid rising unemployment in Australia.

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IBM's Power11 Processor: A Balanced Act of Memory and I/O

2025-07-18
IBM's Power11 Processor: A Balanced Act of Memory and I/O

IBM launched the Power11 processor, an upgrade to the Power10, primarily improving core utilization and supporting DDR5 memory. Power11 maintains a strong balance between memory and I/O, even under massive memory and peripheral demands, making it competitive for large transactional database management systems. Despite manufacturing process challenges and delays, Power11 overcame hurdles through a partnership with Samsung, improving instruction sets and architecture. The article also explores future Power11 upgrades, such as expanding DCM modules to boost scalability to meet growing computational demands.

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Hardware server processor

Carl Sagan's Prophecy: The Decline of Science and America's Future

2025-02-05
Carl Sagan's Prophecy: The Decline of Science and America's Future

This article explores Carl Sagan's prediction of America's future trajectory, contrasting it with the cyclical theory of history proposed by the 18th-century philosopher Giambattista Vico. Sagan feared that the benefits of technological advancement in America would be controlled by a select few, leading to a decline in public scientific literacy, a rise in superstition, and ultimately, societal decline. This aligns with Vico's theory of cyclical rise and fall, but Sagan believed that reversing this trend through science education was possible. The article serves as a warning about the importance of science literacy education and avoiding a repeat of history.

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Lyme Disease Breakthrough: New Antibiotic and Understanding Chronic Symptoms

2025-05-06
Lyme Disease Breakthrough: New Antibiotic and Understanding Chronic Symptoms

Northwestern University researchers have identified piperacillin, an antibiotic significantly outperforming doxycycline, the current gold standard for Lyme disease treatment. Piperacillin cured Lyme disease in mice at a dosage 100 times lower than doxycycline, with minimal impact on gut microbiota. Furthermore, the research uncovered a potential cause for Post-Treatment Lyme Disease (PTLD): lingering Borrelia cell wall remnants in the liver triggering an immune response. This discovery paves the way for more precise Lyme disease diagnostics, treatments, and strategies to prevent chronic symptoms.

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Intel's Ex-CEO and CFO Face Shareholder Lawsuit Over Compensation

2024-12-24
Intel's Ex-CEO and CFO Face Shareholder Lawsuit Over Compensation

Former Intel CEO Pat Gelsinger and current CFO and co-interim CEO David Zinsner are facing a shareholder derivative lawsuit alleging they misled shareholders about the financial performance of Intel's foundry unit. The suit claims breaches of fiduciary and contractual duties, seeking the return of all profits, benefits, and compensation. This follows Gelsinger's failed turnaround plan and Intel's record quarterly loss, with the foundry business identified as a major source of losses. The lawsuit highlights Intel's challenges in regaining shareholder trust and rebuilding its image.

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Civitai Removes Real-Person Models and Images Due to New Regulations

2025-05-23
Civitai Removes Real-Person Models and Images Due to New Regulations

Civitai is removing all models and images depicting real-world individuals from its platform, including PG and PG-13 content, to comply with new regulations like the US Take It Down Act and the EU AI Act. This decision, while frustrating for creators, is necessary to maintain access to payment partners and navigate the increasingly strict legal landscape surrounding AI-generated content and deepfakes. Civitai is working on consent-verification standards to potentially allow compliant likeness models in the future.

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AI
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