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F#'s Untapped Goldmine: Typed Stack Traces (TST)

2025-01-16

This article explores the little-known Typed Stack Traces (TST) technique in F#, which uses the type system to track errors, solving the problems of error parsing and code maintenance in large monolithic applications. The author argues that TST, combined with Domain-Driven Design (DDD) and a new methodology called "Constraint-Driven Development (CDD)", can revolutionize software architecture and development processes, allowing developers to return to monolithic architectures and waterfall project management, simplifying the work of DevOps and SRE. TST leverages F#'s union types and pattern matching capabilities to create clear error type trees, improving code readability and maintainability. The article uses an interview exercise as an example to detail how to use TST, DDD, and CDD to build a simple REST API.

(rm4n0s.github.io)

Development

Hacker Laws: A Compendium of Software Development Principles

2025-03-30

This repository serves as a comprehensive guide to various laws, principles, and patterns prevalent in software development. From Brooks' Law and Conway's Law to Amdahl's Law and the 90-9-1 principle, it offers a detailed overview without advocating for any specific approach. It explores diverse aspects, including cognitive biases, distributed systems limitations, code quality, and team dynamics, providing valuable insights and lessons learned for developers of all levels.

(hacker-laws.com)

Development Laws of Software

38th Chaos Communication Congress: Technology, Society, and Utopia Converge

2024-12-24

The 38th Chaos Communication Congress (38C3) will take place in Hamburg from December 27-30, 2024. This annual four-day conference, organized by the Chaos Computer Club (CCC) and volunteers, explores the intersection of technology, society, and utopia. The event features lectures, workshops, and various events on topics including information technology and a critical-creative approach to technology's societal impact. Participation is encouraged through volunteering, organizing events, and presenting projects, fostering a collaborative exploration of technology's future.

(events.ccc.de)

Tech Chaos Communication Congress Technology Conference Volunteer

Isomorphic Web Components: Server-Side Rendering Made Easy

2024-12-15

Isomorphic Web Components: Server-Side Rendering Made Easy

The long-held belief that server-side rendering of web components is difficult has been challenged. This article demonstrates how to achieve server-side rendering of existing web components by cleverly using Happy DOM to emulate a browser environment. Two methods are detailed: using the `` tag for direct rendering and emulating the DOM to run component code and generate HTML. The author emphasizes the advantages of this approach: compatibility with all web components, robustness in the face of JavaScript failure, and avoidance of framework lock-in. This solves the server-side rendering problem for web components, offering a flexible and resilient solution.

(jakelazaroff.com)

Development Server-Side Rendering Isomorphic

AI-Powered Romance Scam Costs Woman $300,000

2025-03-29

AI-Powered Romance Scam Costs Woman $300,000

Evelyn, a Los Angeles woman, lost $300,000 to a romance scam orchestrated through the Hinge dating app. The scammer, posing as "Bruce," lured her into a cryptocurrency investment scheme, ultimately stealing her life savings. This case highlights the growing use of AI in scams: AI writing tools make it easier to create convincing narratives, while deepfakes enhance credibility, making scams harder to detect. Evelyn's story serves as a cautionary tale, emphasizing the importance of caution in online dating and the dangers of high-yield investment promises.

(www.wired.com)

AI AI Technology

Orchid's Nutrient Theft from Fungi Illuminates Photosynthesis-Parasitism Continuum

2025-02-23

Orchid's Nutrient Theft from Fungi Illuminates Photosynthesis-Parasitism Continuum

Researchers at Kobe University discovered that the orchid Oreorchis patens, when near decaying wood, shifts its symbiotic relationship with fungi, absorbing more nutrients from wood-decomposing fungi while continuing photosynthesis. This behavior results in larger plants with more flowers. The study shows this 'theft' isn't compensating for insufficient photosynthesis, but boosting overall nutrient intake, providing an ecological explanation for why a photosynthetic plant might choose this parasitic path. However, less than 10% of these orchids exhibit this behavior, likely because suitable fungi are only found near decaying wood. This research enhances our understanding of orchids' balancing act between photosynthesis and complete parasitism.

(phys.org)

Tech orchid parasitism

Cultivated Meat: From a $330,000 Burger to the Future of Food

2024-12-16

Cultivated Meat: From a $330,000 Burger to the Future of Food

From Winston Churchill's 1931 prediction to the world's first lab-grown burger in 2013, the cultivated meat industry has overcome challenges to become a booming sector. The initial high cost (the first burger cost $330,000) fueled innovation, leading to over 100 companies worldwide investing a total of $2.6 billion. Technological advancements have reduced costs, such as serum-free growth media, and increased efficiency with innovations like PluriMatrix. Regulatory approvals in countries like the US and Singapore are paving the way for wider adoption, though mainstream acceptance is projected to take 20-30 years.

(www.synbiobeta.com)

Tech cultivated meat cell-based meat food technology

$1.5 Billion Crypto Heist: North Korea's audacious theft

2025-02-26

$1.5 Billion Crypto Heist: North Korea's audacious theft

Dubai-based exchange Bybit suffered the largest-ever cryptocurrency heist, losing $1.5 billion in over 400,000 Ethereum and staked Ethereum. Hackers exploited a vulnerability in a 'multisig cold wallet,' transferring the cryptocurrency to a hot wallet and then to wallets under their control. Blockchain analysis firm Elliptic and others linked the attack to North Korean threat actors, consistent with their history of using cryptocurrency theft to fund weapons programs. The incident highlights the vulnerability of even multisig cold wallets, underscoring the ongoing need for enhanced cryptocurrency security.

(arstechnica.com)

Tech

Bay Area Cult: Ziz and the AI Safety Movement

2025-02-01

This article exposes a secretive Bay Area online cult led by Ziz, who uses her blog to spread distorted ethical and decision theories, targeting AI risk researchers. Zizian doctrine promotes radical veganism and plans for post-singularity trials of the 'non-good'. Through manipulative techniques like unihemispheric sleep, Ziz isolates members, leading to tragic consequences including suicide. The article warns against Ziz's influence and involvement with this potentially dangerous group.

(zizians.info)

Misc AI risk mind control

Lock-Free Data Structures: A High-Performance Tightrope Walk

2025-05-16

This article dives deep into the implementation of a lock-free array, `LockFreeArray`, in Rust. It uses atomics and a freelist to achieve lock-free insertion and retrieval of values across multiple threads, eliminating the performance overhead of locks. The article thoroughly explains `AtomicPtr`, `AtomicUsize`, `compare_exchange`, and the crucial role of memory ordering. Benchmarks demonstrate a significant performance advantage over `Mutex>>` (83.19% faster on average). However, the article stresses the inherent dangers of lock-free programming, requiring a deep understanding of memory models and atomic operations to avoid data races and memory leaks.

(yeet.cx)

Development lock-free

QR Code Generator for Linux Kernel Panic Messages

2025-07-04

QR Code Generator for Linux Kernel Panic Messages

Kernel panic traces are notoriously difficult to copy and paste into bug reports, hindering debugging. The `panic_report` project solves this by embedding a QR code generator written in Rust directly into the Linux kernel. This allows users to easily scan and share the encoded panic information. The project, which prioritizes memory safety thanks to Rust, has been merged into Linux kernel v6.12-rc1 and is soon to be enabled in Arch Linux. A web frontend simplifies decoding the QR code. The main author is Jocelyn Falempe.

(rust-for-linux.com)

Development

Yellowstone Bison: A Single, Interbreeding Population After a Century of Conservation

2025-03-05

Yellowstone Bison: A Single, Interbreeding Population After a Century of Conservation

New research reveals that Yellowstone National Park's bison, once thought to be two distinct herds, now form a single, large, interbreeding population. The study, conducted by researchers at Texas A&M University, utilized genetic analysis to overturn previous understanding. This finding has significant implications for the long-term conservation and management of Yellowstone's iconic bison and highlights the success of American bison conservation efforts, informing future management strategies.

(phys.org)

Tech bison Yellowstone National Park

Mind-blowing: Giant Bifurcation Islands Hidden in North America

2025-02-26

Mind-blowing: Giant Bifurcation Islands Hidden in North America

Rivers usually merge, but sometimes they split, creating 'bifurcation islands'. This article explores this phenomenon, highlighting the Casiquiare Canal connecting the Amazon and Orinoco rivers. It then reveals a shocking discovery: multiple river bifurcations in North America, some connecting three oceans, forming islands far larger than Greenland. These 'bifurcation islands' redefine our understanding of world geography and island size.

(starkeycomics.com)

Misc rivers

Effect Systems: Another Perfectly Executed Mistake?

2025-05-10

This article expresses skepticism towards the current hype surrounding effect systems from a seasoned software engineer's perspective. The author argues that effect systems, much like exceptions, suffer from the inherent flaw of dynamic scoping, leading to maintainability and understanding challenges. Instead, the author advocates for static scoping approaches like dependency injection, managing resources and dependencies through parameter passing to create more testable and maintainable systems. Drawing from personal experience, the author illustrates how eliminating dynamic scoping improved team productivity.

(kjosib.github.io)

Development effect systems dependency injection

FreeWHA: Free Web Hosting Since 2005 – Still Going Strong!

2025-01-27

Free Web Hosting Area (FreeWHA) offers free web hosting services since 2005, boasting reliable uptime and a robust feature set. Users get 1500MB of free space, unmetered bandwidth, Apache 2.4, PHP 7.1, MariaDB 10.4, FTP access, and an autoinstaller. While free, FreeWHA runs on fast servers and provides responsive support, accepting donations to maintain its operations. The service guarantees 99.8% yearly uptime.

(www.freewebhostingarea.com)

Development free hosting servers

ClickHouse Lock Contention: A Year-Long Performance Bottleneck

2025-03-21

Tinybird experienced a year-long puzzle of extremely low CPU utilization in one of their ClickHouse clusters during peak loads. The root cause was identified as Context lock contention. By adding a `ContextLockWaitMicroseconds` metric to monitor lock wait times and redesigning the Context locking mechanism – replacing a single global mutex with read-write mutexes – performance significantly improved. The article details using Clang's thread safety analysis to debug and resolve concurrency issues, along with benchmark results showing a 3x increase in QPS and substantial CPU utilization gains.

(maksimkita.com)

Development

Code in MS Paint? MS Paint IDE Makes it Possible!

2025-03-05

MS Paint IDE is a program that reads standard MS Paint image files and translates the text within into executable code. Write, compile, and run programs using the familiar MS Paint interface, with support for external libraries and multiple classes. It's like science fiction, but it's real!

(ms-paint-i.de)

Development

Escaping Google Authenticator: Generating TOTP Codes on the Command Line

2025-09-01

Escaping Google Authenticator: Generating TOTP Codes on the Command Line

In an effort to reduce reliance on Google services, the author streamlined their Android phone to use only Google Maps and Authenticator for TOTP codes. To generate TOTP codes from the command line, they used oathtool, but the migration process proved complex. The article details migrating codes from Google Authenticator: exporting a QR code, decoding it with qrtool, extracting secrets using a Python script (otpauth_migrate), and finally generating TOTP codes with oathtool. A Bash script simplifies the process. Security concerns around storing secret keys are also addressed.

(imrannazar.com)

Development

Iodized Salt and the Unexpected IQ Boost

2025-01-29

Iodized Salt and the Unexpected IQ Boost

New research reveals that adding iodine to salt in the US since 1924 significantly boosted cognitive abilities across the American population throughout the 20th century. Initially implemented to reduce goiter, studies now show iodine's crucial role in brain development. By comparing military enlistment data from before and after 1924, researchers found a 15-point IQ increase in low-iodine areas. While early iodine supplementation caused some thyroid-related deaths, the initiative virtually eradicated iodine deficiency and its consequences. This discovery may also partially explain the Flynn Effect – the observed rise in IQ scores throughout the 20th century – suggesting iodine contributed to a significant portion of this increase.

(www.discovermagazine.com)

Tech iodine IQ

From Pickle Maker to King: The Untold Story of Khalid Sheldrake

2024-12-18

From Pickle Maker to King: The Untold Story of Khalid Sheldrake

Bertie Sheldrake, grandson of a London pickle manufacturer, converted to Islam, changing his name to Khalid. He became a prominent figure in the British Muslim community, founding journals and ultimately accepting the kingship of the short-lived Islamic Republic of East Turkestan in Xinjiang. This incredible journey, from ordinary London life to a faraway kingdom and back to obscurity, adds a fascinating chapter to the history of 20th-century British Islam.

(www.nationalarchives.gov.uk)

Misc British History Islam

Steam Deck: More Than a Handheld, a Symbol of Freedom

2025-04-03

The Steam Deck's success isn't due to exceptional battery life or top-tier performance, but rather its underlying philosophy: freedom and openness. Running a customized version of Arch Linux, it lets users install any software and even replace parts themselves. This contrasts sharply with closed mobile systems, showcasing respect for user autonomy. While Valve's libertarian approach has drawn criticism, such as silence on social issues and tolerance of gambling websites, the Steam Deck remains an excellent example of balancing commercial interests with user freedom. It has fueled the growth of the Linux gaming ecosystem, providing players with a more open gaming experience.

(isomorphism.xyz)

Game Linux gaming openness

C's `defer` Keyword: A Blitz to Prevent Memory Leaks

2025-03-19

C's `defer` Keyword: A Blitz to Prevent Memory Leaks

A new feature is coming to C: `defer`. It acts as a general-purpose 'undo' mechanism, ensuring that a set of statements are executed regardless of how a code block exits, crucial for resource cleanup like freeing memory or unlocking mutexes. `defer` builds upon existing compiler extensions and similar features in other languages. The article details `defer`'s functionality, scope, and differences from similar constructs in Go, with examples illustrating its use. The author urges compiler vendors to implement `defer` promptly to enhance C code safety and maintainability, preventing memory leaks like those seen in CVE-2021-3744.

(thephd.dev)

Development

Typst 0.13 Released: Improved Daily UX and Experimental HTML Export

2025-02-19

Typst 0.13 Released: Improved Daily UX and Experimental HTML Export

Typst 0.13 focuses on improving the day-to-day user experience, fixing numerous long-standing bugs, and increasing flexibility. Most excitingly, it introduces an experimental HTML export feature. Updates include: semantic paragraph improvements for more flexible paragraph indentation; improved outline styling for better aesthetics and customization; a new `curve` function simplifying Bézier curve drawing; improved file and byte handling with direct raw byte data support; streamlined image generation workflow with uncompressed raw pixel data support; boosted plugin performance with multi-threaded execution; a fix for single-letter string styling in math formulas; added font coverage control for better mixed script typesetting; a new `pdf.embed` function for embedding files into PDFs; and experimental HTML export for semantically rich HTML output from Typst documents.

(typst.app)

Development HTML export typesetting

Redis: Do You Really Need It?

2025-03-08

Over a decade and three companies, the author observed a recurring pattern: Redis was frequently overused. Even at Tantan, a high-performance database system, Redis, initially intended to cache a small amount of user interaction count data, proved unnecessary. It could be efficiently stored directly in PostgreSQL without added complexity. Similar unnecessary Redis implementations were found in two other companies, adding complexity to low-load systems without significant performance gains. The author advocates for careful evaluation of new technologies, avoiding 'tech for tech's sake', and opting for simpler, reliable alternatives.

(www.viblo.se)

Development Technology Selection

The VUS Problem in Genetic Testing: Can AI Provide a Solution?

2025-08-17

The VUS Problem in Genetic Testing: Can AI Provide a Solution?

Genetic testing has advanced rapidly, but the interpretation of 'variants of unknown significance' (VUS) remains a major challenge in clinical genetics. VUS, genetic variations with unclear health implications, cause significant patient anxiety. This article explores strategies to tackle the VUS problem, focusing on multiplexed assays of variant effect (MAVE) to generate large functional datasets and leverage AI to improve prediction tools. While a complete solution remains elusive, MAVE and AI offer hope for precision medicine, promising to greatly enhance the diagnostic accuracy of genetic testing in the future.

(stetson.substack.com)

AI variants of unknown significance

Lumigo Copilot: Debugging Solved in Seconds, Not Hours

2025-02-16

Lumigo Copilot: Debugging Solved in Seconds, Not Hours

Developer Nadav received a Lumigo alert: a GitHub repository parsing failure. Using Lumigo Copilot, he received a full diagnosis in seconds: a GitHub API 404 error, indicating the repository was missing or the GitHub app was uninstalled. Copilot not only pinpointed the root cause but also provided the affected project ID, users, and event queue information, allowing Nadav to quickly resolve the issue, saving hours of log debugging.

(lumigo.io)

Development log analysis

The Zero-Productivity Programmer Who Saved the Team

2025-03-23

A software consultancy introduced individual performance metrics, and one programmer, Tim, consistently scored zero. The manager wanted to fire him, but his team lead refused. Tim, while delivering no individual code, paired with teammates, boosting their skills and code quality, ultimately increasing the team's overall efficiency and output. This story highlights the limitations of measuring individual contributions in complex systems, emphasizing team collaboration and overall effectiveness.

(dannorth.net)

Development performance metrics

Confronting a Resistant Engineer: A Leadership Lesson

2025-02-23

Confronting a Resistant Engineer: A Leadership Lesson

This article details a situation where a project manager, Sonia, discovers a bug, but the engineer, Jerry, dismisses it as user error. The author, a leader, initially tries gentle communication, but Jerry's arrogant attitude necessitates a direct confrontation. The problem is resolved, highlighting the importance of direct communication and the need for leaders to address conflict, upholding team decisions and processes. The author emphasizes the need for trust and honest work within a team.

(respectfulleadership.substack.com)

Startup Communication

Shell Injection Vulnerabilities Lurking in Unix Utilities

2025-06-10

Many Unix utilities use the `system(3)` function to execute external commands, leading to potential shell injection vulnerabilities. This article delves into this issue, analyzing the behavior of `system(3)`, `sh -c`, and various tools like `watch`, `ssh`, and `i3`, demonstrating how shell metacharacters can be used to bypass security measures. The author advocates for avoiding `system(3)` and provides mitigation techniques, such as using `exec --` and proper quoting and escaping. Ultimately, the article calls for developers to address these security flaws in their tools.

(notes.volution.ro)

Development shell injection

SourceHut Updates Terms of Service and Privacy Policy

2025-06-24

SourceHut has updated its Terms of Service and Privacy Policy, primarily improving the descriptions of how user data is stored, used, and shared with third parties. The update clarifies account security and adds detail on user access and control over their data. It also introduces restrictions on the use of automated tools to prevent abuse.

(lists.sr.ht)

Development

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