Published: 2025-03-26 | Origin: /r/ruby

The blog post discusses the importance of using database constraints to maintain data integrity, particularly in environments with microservices. It highlights the limitations of application-level validations in frameworks like Rails, especially when multiple services attempt to update data concurrently. To ensure atomic consistency, the author suggests using database-level CHECK constraints, illustrated by an example requiring either `user_id` or `channel_id` to be present. The post mentions that Rails 6.1 includes the `add_check_constraint` method, although plain SQL migrations

Published: 2025-03-26 | Origin: /r/programming

The importance of well-crafted API documentation cannot be overstated, as it significantly impacts a developer's experience and productivity. Poor documentation leads to frustration, while great documentation makes it easier for developers to effectively utilize an API. It serves as both the first impression and a key user interface, influencing whether developers choose to continue using a service or seek alternatives. This guide aims to provide insights into creating API documentation that not only explains functionality but also highlights its value to developers. Effective documentation should clearly articulate what the API

Published: 2025-03-26 | Origin: Hacker News

Debian developer Roland Clobus announced on the Reproducible Builds mailing list that live images for Debian 12.10 ("bookworm") are now fully reproducible. More information can be found on the Debian wiki, including details about the reproducible live images and the Debian Live todo pages.

Published: 2025-03-26 | Origin: Hacker News

The content emphasizes the enduring relevance and strengths of the CSV format in data serialization, countering claims that it is becoming obsolete in favor of newer formats like Parquet or JSON. The author critiques the biased comparisons often found in articles proclaiming CSV's demise, arguing that CSV's simplicity and accessibility are significant advantages. The format is described as easy to understand and use, despite there being no official specification, and it remains a free, open standard that can be handled with basic text editing tools. The intention

Published: 2025-03-26 | Origin: /r/programming

The author describes an experience running a worm simulation on their computer amid strong Santa Ana winds. While the atmosphere is charged, the author explains to a friend that it’s not a malicious worm like Stuxnet, but rather a harmless simulation linked to OpenWorm, a project aiming to create a comprehensive digital model of the nematode Caenorhabditis elegans. This effort seeks to mirror the biological processes of the real worm, representing a significant goal in systems biology. Despite the ambition

Published: 2025-03-26 | Origin: /r/programming

The author explores the concept of apocalypse after a disturbing encounter with a doomsday clock in New York City. This leads to a search for survival tips, ultimately guiding them to the writings of Canadian programmer Virgil Dupras. Dupras argues that the collapse of civilization is imminent and will occur in two phases: first, the breakdown of global supply chains, which are highly susceptible to climate change; and second, the gradual failure of computers, leading to a slow technological blackout. Dupras has developed an

Published: 2025-03-26 | Origin: /r/programming

By using our site, you consent to our privacy policy on cookies and tracking. Necessary cookies are exempt from consent under GDPR, but we seek permission for additional cookies to enhance site understanding and improvements. You can choose to accept or decline these additional cookies. Rust, launched in May 2015, is nearing its 10th anniversary and has become increasingly popular among developers due to its speed, safety, and supportive community. While extensive documentation, including the official Rust book and tutorials, is available, an

Published: 2025-03-26 | Origin: /r/programming

The article by Amrit Pandey discusses significant updates in JDK 24, highlighting important syntax and API changes. JDK 24 is notable as it may influence future enhancements in JDK 25, which is set to release in September 2025 and will be the next Long-Term Support (LTS) version after JDK 21. Key improvements in JDK 24 include performance enhancements and new syntactic constructs. One significant change allows a void main() method to print "Hello

Published: 2025-03-26 | Origin: /r/programming

The post discusses the potential of WebRTC for remote control applications and ways to achieve sub-100 millisecond latency, critical for smooth user interactions. Apple suggests that delays over 100 ms disrupt user experience, and while WebRTC supports low-latency screen sharing, it is insufficient for remote control scenarios, as discovered during the development of the Hopp application. The post details a process for remote control: the Controller sends input events to the Sharer, who processes and simulates these events, captures

Published: 2025-03-26 | Origin: /r/programming

Choosing a technology stack is a critical decision for long-term projects, especially in the enterprise sector, as it affects development speed, quality, and team dynamics. Open-source software offers a solution by allowing users to modify and extend the software as needed, ensuring portability and avoiding vendor lock-in. Next.js, an open-source web development framework from Vercel, exemplifies this model. While it's acceptable for companies to profit from open-source software to fund development, sustainability relies on clear boundaries and well-defined roles

Published: 2025-03-26 | Origin: /r/programming

The content discusses the CSS property `content-visibility: auto`, which can greatly enhance rendering performance for large lists or complex DOM structures without significant complexity. This property allows the browser to skip rendering elements not visible in the viewport, akin to a virtual scroll, but simpler to implement. To manage layout shifts when these hidden elements become visible, the `contain-intrinsic-size` property is used to define space for non-rendered items. Although `content-visibility: auto` is well-supported by modern

Published: 2025-03-26 | Origin: /r/programming

The text discusses an upcoming audio recognition command-line interface (CLI) written in Rust, designed for efficient and fast audio fingerprinting similar to Shazam. The CLI features two main commands: "index," which creates a database of audio files in a specified directory, and "search," which identifies similar audio files to a given query, with the option to adjust the number of returned matches. Performance benchmarks were performed on 100 songs with a combined size of around 1.1GB, using an AMD

Published: 2025-03-26 | Origin: /r/programming

PaperWM is a GNOME Shell extension that enables scrollable tiling of windows and supports per-monitor workspaces, inspired by paper notebooks and tiling window managers. It is designed for compatibility with current stable versions of GNOME Shell (45 and 46) and supports older versions but typically does not backport new features to them. Users can access installation instructions through their documentation, including cloning the repository and running a script to enable the extension. Feedback is welcomed through their GitHub Discussions board, and

Published: 2025-03-26 | Origin: Hacker News

To ensure visual consistency across 200 cameras during live events like the Super Bowl, camera shading is essential. This technique involves fine-tuning each camera's settings for color, exposure, and other visual factors to create a cohesive broadcast experience. Cyanview, a small Belgian company specializing in shading for live video broadcasts, plays a crucial role in this process. Their Remote Control Panel (RCP) is utilized by major events including the Olympics, NFL, NBA, and fashion shows due to its reliability and effectiveness

Published: 2025-03-26 | Origin: Hacker News

Matt Lakeman revisits the Spanish conquest of the Aztecs and Incas after being fascinated by the topic for years. He focuses on the conquests led by Hernan Cortes and Francisco Pizarro, detailing how small numbers of Spanish soldiers (around 400 to 1,000 for Cortes and 180 to over 1,000 for Pizarro) were able to conquer massive empires with millions of inhabitants. Despite their lack of understanding of local cultures and politics, the

Published: 2025-03-26 | Origin: /r/ruby

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Published: 2025-03-25 | Origin: Hacker News

The author discusses the significant differences in efficiency among users of Unix shells when executing commands. Many commands are repetitive, and while they may run 50-100 distinct commands daily, they often repeat a few commands hundreds of times. To enhance efficiency and reduce errors, the author highlights the importance of searching shell history for previously executed commands. Traditional methods, like using Ctrl-r to perform substring searches, can be limited. The author shares a more effective approach by pairing Ctrl-r with fzf, which allows for

Published: 2025-03-25 | Origin: Hacker News

The key message is that it's essential to "advertise" your work effectively. Many technically skilled individuals fail to communicate their achievements through well-written reports, believing that reporting is boring or irrelevant. However, if great work goes unshared, it becomes wasted potential. Clear and concise communication is vital for others to appreciate and build upon your efforts, rather than duplicating them. While selling your work may feel uncomfortable, it's necessary because the audience is often occupied with their own tasks. To capture their attention,

Published: 2025-03-25 | Origin: /r/programming

Cascii is a web-based ASCII and Unicode diagram builder created using vanilla Javascript, with no dependencies on external libraries or servers. Users can build diagrams by opening the cascii.html file in a browser, or by using the online version at cascii.app, which provides features like short links and account creation. Feedback from users is highly valued, and contributions through proposals or issues are encouraged. The project is licensed under the Apache License, Version 2.0.

Published: 2025-03-25 | Origin: /r/ruby

Brandon Weaver and another author are working on a second edition of "Eloquent Ruby," set to be published by The Pragmatic Programmers. The new edition aims to maintain the original structure while updating the content to reflect modern Ruby usage. They emphasize the project's importance and the time it will take to complete. The announcement has garnered excitement from various colleagues and followers, with many expressing eagerness for the updated book.