Published: 2025-06-18 | Origin: Hacker News

In a groundbreaking initiative, the Danish government has enlisted private metal detectorists to explore agricultural fields for historical artifacts. This approach has led to significant discoveries, including a remarkable find by Ole Ginnerup Schytz, who unearthed a cache of gold disks and medallions dating back approximately 1,500 years. These artifacts, which include depictions of Roman emperors and an inscribed bracteate with imagery of Odin, offer profound insights into Denmark's history during a tumultuous

Published: 2025-06-18 | Origin: /r/programming

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Published: 2025-06-18 | Origin: Hacker News

In the article "When agile experimentation at startups becomes a p-hacking trap," Thaís Steinmuller discusses how the urgency to deliver results in startups can lead to p-hacking, where teams prematurely report positive findings. The author illustrates this through a scenario where a product manager tests four layout designs for a website dashboard, aiming to enhance user signups. The team plans to adopt the design with a p-value below 0.05 to indicate a statistically significant improvement. However, testing multiple designs increases

Published: 2025-06-18 | Origin: Hacker News

The content discusses an interactive platform for exploring type inference algorithms directly in a web browser. It emphasizes the ease of hands-on experience with consistent syntax across various algorithms, eliminating the need for new parsers or pretty printers. The code is designed to be clearer and more accessible than traditional notation, and the project is released under the MIT License. The copyright is attributed to Chen Cui, 2025.

Published: 2025-06-18 | Origin: /r/programming

SnapDOM is a tool designed to capture HTML elements as images quickly and accurately, accommodating pseudo-elements, shadow DOM, web fonts, and other features. In a comparison of libraries, each will capture the same DOM element to canvas five times to determine average speed and identify the best performer. Additionally, there is a playful mention of dancing and color changes, along with the use of Google Fonts with the option to embed fonts enabled.

Published: 2025-06-18 | Origin: /r/ruby

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Published: 2025-06-18 | Origin: /r/programming

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Published: 2025-06-18 | Origin: Hacker News

Software plays a crucial role in our daily lives, as we constantly use computers and apps, which are often mass-produced or customized for large enterprises. However, there is a lack of "home-made software" — personalized apps created by individuals for specific needs of friends and family. John and Pontus have explored this concept and developed a research prototype called Scrappy, aimed at facilitating the creation of simple, personal applications ("Scrapps"). Scrappy serves as a tool to envision home-made software as creative and

Published: 2025-06-18 | Origin: Hacker News

The content discusses the development of a digitally synthesizable architecture for Serializer/Deserializer (SerDes) using Skywater Open PDK 130 nm technology. SerDes is crucial for high-speed communication, converting parallel data into a serial stream for transmission and then back again. The implementation involves various design and simulation tools, including OpenLane and Virtuoso Cadence, with key components coded in Verilog HDL. The architecture includes a TX driver using a chain of CMOS inverters, and a synthesizable RX

Published: 2025-06-18 | Origin: /r/ruby

BatchAgg is a Ruby gem designed to efficiently perform multiple database aggregations on ActiveRecord models in a single query, addressing N+1 query problems common in data aggregation tasks. It utilizes correlated subqueries to improve performance by fetching all needed aggregation values at once. The gem also allows for custom SQL expressions through its _expression methods. To get started, users can install the gem using `bundle exec rake install` and set up dependencies with `bin/setup`. An interactive prompt for experimentation is available via `

Published: 2025-06-18 | Origin: Hacker News

The content discusses "lstr," a fast and minimalist directory tree viewer written in Rust, designed for an efficient, interactive experience resembling the command-line tool "tree." Key features include the ability to list directory contents, ignore git-ignored files, display file sizes and permissions, check the git status of files, and operate interactively. Users can navigate directories, leverage tools like fzf for interactive searching, and pipe outputs to pagers for large directories. It supports integration with shell commands for easy directory

Published: 2025-06-17 | Origin: /r/programming

The content discusses the development of an Extended Backus-Naur Form (EBNF) grammar for representing fuzzy and uncertain temporal expressions, known as the Fuzzy Dates grammar. This grammar provides a standardized way to express dates and times with varying levels of precision and contextual information, addressing the challenge of imprecise temporal data. It includes syntax rules that can be utilized in programming languages for parsing fuzzy dates. The Fuzzy Dates grammar can be integrated into SPARQL queries to manage uncertain temporal data,

Published: 2025-06-17 | Origin: /r/programming

The text presents a humorous and relatable reflection by a developer referred to as "grug brain developer." Despite feeling confused and not particularly smart, grug has spent many years in software development and has gathered thoughts and lessons learned, aiming to share them in an accessible and entertaining way. Grug acknowledges the challenges of forgetting important things with age, and expresses hope that readers—particularly younger developers—may benefit from his insights and mistakes. A major theme of grug’s reflections is the issue of complexity in

Published: 2025-06-17 | Origin: Hacker News

Today, the bzip2 version 0.6.0 was released, now utilizing a Rust implementation called libbz2-rs-sys by default. This update makes the bzip2 crate faster and simpler for cross-compilation, and the libbz2-rs-sys crate can also be compiled as a C dynamic library. Despite bzip2 being an older algorithm with limited contemporary use, it remains relevant for compliance in many protocols and libraries, necessitating its support in various projects.

Published: 2025-06-17 | Origin: /r/programming

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Published: 2025-06-17 | Origin: /r/programming

The author, a Principal Software Engineer based in Seattle with a background at companies like Rvvup, Ripple, Braintree/PayPal, and ThoughtWorks, discusses the underutilization of ledgers in software development. They advocate for the use of double-entry ledger modeling over the current ad-hoc methods and have developed pgledger, a pure PostgreSQL ledger implementation aimed at simplifying the incorporation of ledger systems into various applications. The core concept of a double-entry ledger involves recording transactions in a way that

Published: 2025-06-17 | Origin: Hacker News

The article, published on December 19, 2024, discusses insights from collaborating with various teams to develop large language model (LLM) agents across different industries. It emphasizes that the most successful implementations rely on simple, composable patterns rather than complex frameworks. It defines "agents" in two ways: as fully autonomous systems or as prescriptive systems following predefined workflows. The article distinguishes between these variations, indicating that agents can offer flexibility while workflows provide consistency for specific tasks. It advises developers to

Published: 2025-06-17 | Origin: Hacker News

The author describes an experience of downloading Linux ISOs using qBittorrent and discovering that many of the trackers were inactive. This led them to consider acquiring a dead domain for a tracker to see how many clients would connect. Trackers are essential for connecting peers in the BitTorrent protocol, but their centralization can be problematic if they go offline. While there's an alternative called Mainline DHT for decentralized peer lookups, it has its limitations, including reliance on bootstrap nodes and vulnerability to attacks.

Published: 2025-06-17 | Origin: /r/ruby

The post discusses how to inspect the order of before, after, and around callbacks in Rails controllers by creating an initializer. This is helpful for understanding callback sequences in complex applications with deep controller hierarchies or multiple shared concerns. The author learned this technique while debugging a complicated controller. To implement this, a new initializer should be added to the initializers directory, which creates three methods for each controller class that return arrays of the corresponding callbacks in their execution order. The internal mechanism relies on Rails'

Published: 2025-06-17 | Origin: /r/programming

For nearly 30 years, JPEG has been the primary image format for sharing digital photos on the Internet, despite not being the original format used by early web browsers, which only supported GIFs. The JPG format was introduced in the mid-90s with Netscape and quickly gained traction due to its advantages, such as better degradation of image quality, which allowed it to scale better for various uses, from slow dial-up connections to high-end photography. Crucially, JPEG was developed as a documented standard