10 Awesome D Language Features You Should Know

2025-07-03

This beginner-friendly post explores ten captivating features of the D programming language. From smaller quality-of-life improvements to major features like automatic constructors, design by contract, compile-time function execution (CTFE), and built-in unit testing, the article provides clear explanations. D's powerful metaprogramming capabilities are also highlighted, rivaling few statically compiled languages in flexibility and modeling power. The post also covers unique D syntax features such as the dollar operator, parenthesis omission, and uniform function call syntax (UFCS), significantly improving code readability and efficiency. Additionally, D supports scoped and selective imports and a built-in documentation generator, further enhancing code maintainability and readability. In short, D offers a compelling blend of features for efficient and convenient programming.

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Development Features

127-Million-Year-Old Termite Poo Reveals Secrets of Australia's Polar Forests

2025-06-20
127-Million-Year-Old Termite Poo Reveals Secrets of Australia's Polar Forests

Scientists have unearthed a 127-million-year-old termite nest fossil in Victoria, Australia, representing the oldest known termite nest and possibly the largest from the dinosaur era. Analysis of hexagonal termite droppings and smaller mite droppings within the fossilized log suggests a relatively mild polar climate (around 6°C). This discovery challenges previous understanding of ancient polar forests and highlights termites' crucial role in these ecosystems.

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Korean Educational Sharing Platform Yubin Archive Shut Down After Operator's Arrest

2025-08-16

Yubin Archive, a Telegram-based platform in South Korea aiming to eliminate educational inequality, provided access to educational materials like textbooks, workbooks, and video lectures. Boasting over 330,000 members, its popularity quickly led to the arrest of its operator for copyright infringement. While Yubin Archive claimed to help underprivileged students, investigations revealed a paid "minority channel," raising questions about its motives. The Ministry of Culture and Sports vowed to continue cracking down on copyright infringement to protect creators' rights.

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Tech

Archiving Computer History: A Personal Mirror Site

2025-01-06

An author, researching for a book on computer history, has created a personal mirror site archiving numerous historical web pages. Facing the frustrating reality of broken links, especially from the late 90s, the author painstakingly mirrors original sources, ensuring access to valuable information on Unix, Linux, BSD, Microsoft, Atari, and more. The site provides a reliable archive of pivotal moments and technologies in computing history, offering a rich resource for researchers and enthusiasts alike.

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Tech

Lapham's Quarterly Relaunches Under Bard College's Stewardship

2025-03-31
Lapham's Quarterly Relaunches Under Bard College's Stewardship

The celebrated journal of history and ideas, Lapham's Quarterly, will relaunch in 2025 under the stewardship of Bard College and its Hannah Arendt Center. This partnership ensures the journal's continuation after the passing of its founder, Lewis H. Lapham, and marks a rare second chance for a literary journal. Bard College will inherit the journal's assets and integrate it into its mission of fostering critical inquiry and dialogue. The relaunch includes plans to distribute free copies to incarcerated readers through the Bard Prison Initiative, expanding access to ideas and literature. This collaboration not only preserves a valuable intellectual legacy but also underscores the importance of historical reflection in our times.

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500 Days of Daily Math: A Journey from Zero to (Almost) Hero

2025-08-14
500 Days of Daily Math: A Journey from Zero to (Almost) Hero

The author recounts his 500-day journey of daily math practice using Math Academy. Initially motivated by a need to understand the math behind AI, he discovered a significant gap in his foundational knowledge, starting from the very beginning. Through consistent effort and strategic adjustments (like dedicated study time, utilizing spare moments, and publicly sharing progress), he's completed multiple foundational courses and is now tackling calculus and linear algebra. This journey has not only boosted his math skills but also cultivated better learning habits and resilience, positively impacting other aspects of his life.

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Development

Masimo Sues US Customs to Block Apple's Restored Blood Oxygen Feature on Apple Watch

2025-08-21
Masimo Sues US Customs to Block Apple's Restored Blood Oxygen Feature on Apple Watch

Following a patent infringement lawsuit by Masimo, Apple's blood oxygen feature on the Apple Watch was initially banned. While Apple disabled the feature via software, it recently re-enabled it, calling it a "redesigned" feature. Masimo now alleges that US Customs and Border Protection (CBP) overstepped its authority and violated due process by allowing Apple to restore the functionality. The lawsuit seeks to prevent CBP's decision and reinstate the original ban. The central issue is whether CBP violated due process and whether Apple's 'redesigned' feature still constitutes patent infringement.

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Chrome Canary 130: Customizable <select> Element Arrives!

2025-02-20
Chrome Canary 130: Customizable <select> Element Arrives!

Chrome Canary 130 introduces a major update: a customizable `` element! This long-standing developer pain point finally has a solution. Using the `appearance: base-select` property, developers can deeply customize the `` element and its popup picker, including styling, content, and interactivity. The feature is officially in Stage 2 in the WHATWG, with strong cross-browser interest. This post details how to enable the feature, customize its components, and considerations around limitations and accessibility. While some features are still under development, this powerful new feature will significantly improve the web development experience.

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Development

Google's Gemini 2.5: A Thinking AI Model Takes the Lead

2025-03-25
Google's Gemini 2.5: A Thinking AI Model Takes the Lead

Google unveiled Gemini 2.5, its most intelligent AI model yet. An experimental version, 2.5 Pro, achieves top ranking on LMArena, significantly outperforming competitors. Gemini 2.5's key innovation is its 'thinking' capabilities: it reasons before responding, leading to enhanced accuracy and performance. This reasoning extends beyond simple classification and prediction; it involves analyzing information, drawing logical conclusions, understanding context and nuance, and making informed decisions. Building upon prior work with reinforcement learning and chain-of-thought prompting, Gemini 2.5 combines an improved base model with advanced post-training. Google plans to integrate these thinking capabilities into all future models, enabling them to tackle more complex tasks and power more sophisticated, context-aware agents.

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AI

RCA: The Rise and Fall of a Roaring Twenties Tech Giant

2025-01-31

RCA was a household name in the 1920s, its stock price soaring 200-fold thanks to breakthroughs in radio broadcasting. However, after the 1929 crash and subsequent antitrust actions, RCA, despite a period of recovery, failed to find new avenues for growth. Ultimately, it was acquired by General Electric in 1986, ending its dramatic and ultimately short-lived reign. This article uses RCA's story as a case study to explore the rise and fall of technology companies, prompting reflection on the future of today's tech giants.

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Silicon Valley Execs Become US Army Lieutenant Colonels: The Rise of the Tech-Military Complex

2025-06-20
Silicon Valley Execs Become US Army Lieutenant Colonels: The Rise of the Tech-Military Complex

Four senior executives from Palantir, Meta, and OpenAI have been appointed lieutenant colonels in a newly formed US Army unit, the "Executive Innovation Corps." This initiative aims to integrate cutting-edge tech expertise into military operations. The move highlights the increasingly close relationship between Big Tech and the military, raising questions about the implications for warfare and society. Palantir's significant government contracts and dominance in data analytics are particularly noteworthy in this context.

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Tech

SpacetimeDB: Multiplayer at the Speed of Light

2025-04-05
SpacetimeDB: Multiplayer at the Speed of Light

SpacetimeDB revolutionizes game development by merging database and server functionality. Developers upload application logic directly into the database as modules, eliminating the overhead of traditional client-server architectures. Clients connect directly to the database, executing logic within it for unparalleled speed and low latency. BitCraft Online's backend is built entirely on SpacetimeDB, processing and synchronizing all game data in real-time. SpacetimeDB uses in-memory storage and a write-ahead log for persistence, optimized for real-time applications. Installation is straightforward, and modules can be written in various programming languages.

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Development

Eleventy Ditches Luxon, Builds Custom RFC 9557 Date Parser

2025-07-26
Eleventy Ditches Luxon, Builds Custom RFC 9557 Date Parser

To reduce Eleventy's client-side bundle size and prepare for native Temporal API support, the team decided to replace the Luxon date parsing library with a custom RFC 9557-compliant solution. The new library is smaller, more accurate, and its output matches both the upcoming Temporal API and Luxon, although some breaking changes exist. This ultimately simplifies maintenance and improves performance.

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Development date parsing

Bridging Elixir and Go Backends with a Crystal Wrapper

2025-06-19
Bridging Elixir and Go Backends with a Crystal Wrapper

The Mozi team needed to connect a new Elixir Phoenix LiveView app to an existing Go backend. They explored NIFs and Ports, but ultimately chose Erlang's C Node approach, using Crystal to write a C wrapper for improved maintainability. This decouples the codebases at compile and runtime, leveraging `Node.list` in Elixir to detect C node connectivity and S6 for in-container restarts. While there's a performance penalty crossing the C/Go boundary, it's acceptable for their use case. The result is a slick three-language (Elixir, Crystal, Go) mashup that enhances maintainability.

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Development

Emacs on macOS: Unraveling a Memory Leak Mystery

2025-07-31

The author has long struggled with performance issues in Emacs on macOS: ever-increasing memory usage, eventually leading to freezes. After investigation, the root cause was found to be in the way `[NSApp run]` is invoked, resulting in massive memory allocation and deallocation, especially pronounced on high-performance hardware and high-DPI displays. The interaction between macOS's event handling and Emacs' efficient resource management leads to caching of useless resources, culminating in memory leaks. While a complete fix is difficult, the author proposes a potential solution: rewriting macOS-specific code in Swift, leveraging its more efficient memory management and asynchronous support to improve Emacs' performance on macOS.

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Development

The Regret of ChatGPT's Godfather: Has the Democratization of AI Failed?

2025-03-29
The Regret of ChatGPT's Godfather: Has the Democratization of AI Failed?

In 2017, Jeremy Howard's breakthrough in natural language processing laid the groundwork for tools like ChatGPT. He achieved a leap in AI's text comprehension by training a large language model to predict Wikipedia text. However, this technology fell under the control of a few large tech companies, leading Howard to worry about the failure of AI democratization. He and his wife, Rachel Thomas, gave up high-paying jobs to found fast.ai, dedicated to popularizing machine learning knowledge. Yet, they watched as AI technology became monopolized by a few corporations, becoming a tool for capital competition, leaving him deeply frustrated and anxious.

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Nextflow: Streamlining Scalable Workflows

2025-07-16
Nextflow: Streamlining Scalable Workflows

Nextflow is a powerful workflow system built on the dataflow programming model, simplifying the creation of parallel and distributed data processing pipelines. Deploy workflows easily to local machines, HPC schedulers, cloud platforms (AWS, Azure, Google Cloud), and Kubernetes. Nextflow supports various software dependency management tools like Conda, Docker, and Singularity. A vibrant community provides comprehensive documentation, forums, and Slack support. The nf-core project offers high-quality pre-built workflows.

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Development dataflow programming

Philosopher Challenges Convention: Do Thermostats Have Consciousness?

2024-12-30
Philosopher Challenges Convention: Do Thermostats Have Consciousness?

Philosopher David Chalmers, in his book *The Conscious Mind*, proposes a radical idea: even simple thermostats might possess conscious experience. He argues that consciousness isn't exclusive to complex systems but a fundamental property linked to information processing. From humans to mice to thermostats, the complexity of consciousness might decrease with decreasing information processing capabilities, but it doesn't necessarily vanish. While a thermostat only has simple information states, its corresponding experience might be as simple and primitive as black, white, and gray. This view challenges traditional understandings of consciousness, prompting a re-evaluation of its fundamental nature.

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AI

French University Offers 'Safe Haven' for US Scientists

2025-07-02
French University Offers 'Safe Haven' for US Scientists

Amidst a deteriorating academic environment in the US, Aix-Marseille University (AMU) in France has launched a 'Safe Place for Science' program to attract researchers from top US universities. The program offers salaries comparable to French researchers, but concerns remain among some US applicants due to lower research funding and salaries in France compared to the US. However, the lower stress, lower cost of living, and free education for children are enticing factors. The program has already secured €15 million in funding and is seeking matching funds from the French government to expand the initiative.

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Remembering Aaron Swartz: A Mastodon JavaScript Conundrum

2025-01-12
Remembering Aaron Swartz: A Mastodon JavaScript Conundrum

Jeremia Kimelman's Mastodon post remembering Aaron Swartz highlights the need for JavaScript to use the Mastodon web application, suggesting native apps as an alternative. This sparks reflection on web vs. native apps and the intersection of internet freedom and technological accessibility, echoing Swartz's fight for open access.

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Misc

Conquering the Challenges of 5G n78 Band Recording

2025-07-19

The author attempted to record signals from the 5G n78 band (3.3-3.8 GHz) in Spain to analyze its characteristics. Due to the large bandwidth (typically 100 MHz), capturing the full signal with standard SDRs proved difficult. Collaborating with the ANTS research group at the University of Murcia, high-end USRP equipment and multiple antennas were used for data acquisition. Challenges included interference on the USRP X410 in this band, leading to the use of a USRP N310 and high-performance storage for successful recording of signals from Movistar, Orange, and Vodafone. The resulting datasets, formatted in SigMF, are now publicly available.

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Tech

Urgent: Next.js Security Update Patches Critical Vulnerability

2025-03-22
Urgent: Next.js Security Update Patches Critical Vulnerability

Next.js has released version 15.2.3 to address a critical security vulnerability (CVE-2025-29927) that could allow unauthorized access. The vulnerability lies in the handling of the `x-middleware-subrequest` header in middleware, potentially allowing attackers to bypass critical security checks such as authentication. All self-hosted Next.js deployments using `next start` and `output: 'standalone'` are urged to update immediately. Patches for Next.js 14.x and 13.x are also available.

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Development

Lord of the Rings vs. Discworld: Two Cosmologies for the Tech Age

2025-03-08
Lord of the Rings vs. Discworld: Two Cosmologies for the Tech Age

This essay contrasts the worldviews presented in *The Lord of the Rings* and Terry Pratchett's *Discworld* series. It argues that *Lord of the Rings*, while a great story, offers a simplistic, deterministic view of technology and society unsuitable for a technologically advanced species. In contrast, *Discworld*, with its ironic and absurdist approach, provides a far superior model for understanding technological progress, societal evolution, and human interaction with these forces. The author advocates for embracing the pluralistic and generative worldview offered by *Discworld* over the limiting, Chosen One narratives of *Lord of the Rings*.

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Misc Worldview

Ammonia-Fueled Ship Viking Energy Delayed Until 2026

2025-03-12
Ammonia-Fueled Ship Viking Energy Delayed Until 2026

The world's first full-time ammonia-fueled ship, Viking Energy, originally slated for launch in 2024, has been delayed until 2026 due to the complexities of building the necessary ammonia infrastructure. Ammonia's toxicity, explosiveness, and corrosive nature require specialized piping, storage, and transport. Furthermore, ammonia combustion produces nitrogen oxides, necessitating emission control technologies. Despite challenges, experts believe ammonia will eventually become a mainstream marine fuel. They suggest seaports become energy hubs producing, storing, and trading alternative fuels to solve the chicken-and-egg problem of fuel supply and ship construction.

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LWN Faces Economic Headwinds: Subscription Drop and Future Challenges

2025-05-03

LWN.net, a news site focused on Linux and free software, is experiencing economic headwinds. Since March, they've seen a significant drop in new subscriptions and renewals, correlating with the US administration's attacks on the global trade system and the resulting economic downturn. While not yet an existential threat, this is a serious concern. LWN is responding by tightening its belt and appealing to readers to subscribe or encourage their employers to establish group subscriptions to ensure continued operation. Inflation and anti-US sentiment pose further potential challenges. Despite these difficulties, LWN remains committed to providing high-quality content and expresses gratitude for its readers' long-standing support.

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Wormhole: A New Game in the Perplexity Comet Browser

2025-09-05
Wormhole: A New Game in the Perplexity Comet Browser

This post details the development journey of Wormhole, a game built for the Perplexity Comet browser. Starting as a simple Chrome Dino replacement, it evolved into a sophisticated procedurally generated space golf game. The author describes three prototype iterations, highlighting challenges and solutions in game mechanics, procedural generation, art, and sound design. The final result is a polished and engaging browser game.

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Game

Oregon's Exploding Whale: A 54-Year-Old Viral Sensation

2025-03-18
Oregon's Exploding Whale: A 54-Year-Old Viral Sensation

Fifty-four years ago, on November 12, 1970, Oregon made headlines with a bizarre event: the dynamiting of a dead whale on a Florence beach. The resulting spectacle, captured live on KATU news, showered onlookers with whale parts and became an instant viral sensation (long before the internet!). Today, the 'Exploding Whale' remains a beloved, memetic legend, celebrated annually with festivals, themed merchandise, and even a baseball team tribute. While the method of whale disposal has since changed, the story of the exploding whale continues to entertain and fascinate.

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Remembering Bram Moolenaar: A History of Vi and Vim

2025-04-18
Remembering Bram Moolenaar: A History of Vi and Vim

The passing of Bram Moolenaar, creator of Vim, prompts a reflection on the rich history of UNIX text editors. This article traces the evolution from ed to Vim, recounting the stories of Ken Thompson's ed, George Coulouris' em, Bill Joy's vi, and numerous vi clones like Stevie and Elvis. Their development is intertwined with the evolution of UNIX and computing itself, showcasing the enduring spirit of open-source software. Vim, initially an Amiga port of Stevie, grew into a powerful editor still widely used today.

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Development UNIX editors

Cat Origin Story Rewritten: Tunisia, the Unexpected Cradle of Domestic Felines

2025-04-22
Cat Origin Story Rewritten: Tunisia, the Unexpected Cradle of Domestic Felines

Two large-scale studies are rewriting the history of domestic cat origins. By analyzing genetic data and archaeological evidence, researchers found that cats didn't accompany early farmers into Europe as previously thought. Instead, Tunisia is pinpointed as the origin point, with cats arriving in Europe in multiple waves starting around the 1st century CE. Religious and cultural factors played a crucial role, with the veneration of cats in ancient Egypt and their representation in Greco-Roman and Norse mythology driving their spread. The research also reveals competition and hybridization between domestic cats and native European wildcats, leading to a decline in wildcat populations. This discovery significantly alters our understanding of one of humanity's most familiar companions.

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