Published: 2025-04-28 | Origin: Hacker News

Researchers from the U.S. Army Research Laboratory (ARL) and Lehigh University have developed a groundbreaking nanostructured copper alloy, Cu-Ta-Li (Copper-Tantalum-Lithium), which offers exceptional thermal stability and mechanical strength. This alloy could significantly impact high-temperature materials used in aerospace, defense, and industrial applications. The research, published in the journal Science, is part of a long-term partnership between ARL and Lehigh, supported by a $25 million cooperative agreement and

Published: 2025-04-27 | Origin: /r/programming

The narrative describes the discovery of a notable iOS vulnerability that is characterized by its simplicity in exploit implementation. It utilizes a legacy public API that is still integral to many Apple operating systems, yet remains unfamiliar to most developers. The text contrasts three types of notification systems in Apple’s platforms: NSNotificationCenter (for single-process notifications), NSDistributedNotificationCenter (for inter-process notifications), and Darwin notifications (a low-level mechanism for simple inter-process communication). Darwin notifications allow for the exchange of

Published: 2025-04-27 | Origin: Hacker News

A recent study by researchers at the University of California San Diego revealed that a gene previously identified as a biomarker for Alzheimer’s disease is actually a contributing cause of the disease, due to an unforeseen secondary function. The findings, published in Cell on April 23, suggest that the gene phosphoglycerate dehydrogenase (PHGDH) correlates with the progression of Alzheimer’s, as higher levels of its protein and RNA are associated with more advanced disease. The study aims to uncover the

Published: 2025-04-27 | Origin: /r/programming

Compiler reminders in Elm are a crucial feature that enhances code maintainability by prompting developers to make necessary changes when a code modification affects other parts of the code. For example, when beginners modify a simple Elm counter app to include a reset button, they receive compiler errors that guide them through necessary adjustments, such as adding the Reset variant to the Msg type and updating the update function to handle this new variant. This process exemplifies "compiler driven development," where developers follow compiler feedback to achieve a working solution.

Published: 2025-04-27 | Origin: Hacker News

The content describes a personal inner conflict between two motivational influences represented by an angel and a devil. The angel encourages coding for fun, learning, and enjoyment, while the devil pressures the narrator to pursue entrepreneurial ventures and financial success. The narrator reflects on their lifelong passion for computers, which started with gaming and evolved through various educational experiences. They also acknowledge their exposure to an ambitious culture through media and personal aspirations of entrepreneurship. Ultimately, the narrator grapples with the tension between pursuing coding as a hobby versus the

Published: 2025-04-27 | Origin: /r/ruby

Itsi is a high-performance web and application server designed for Ruby applications, featuring robust support for Rack. It functions as a reverse-proxy, API gateway, and static file server, all controlled through a user-friendly configuration API and DSL. Itsi aims to simplify the process of sharing applications online by minimizing the need for complex configurations or multiple tools, allowing users to deploy their applications directly to the web with ease.

Published: 2025-04-27 | Origin: Hacker News

Internet-in-a-Box "learning hotspots" provide offline access to educational content in various remote locations, including villages in India. These hotspots function like community resources, allowing devices such as smartphones, tablets, or laptops to connect wirelessly without needing the internet. Users can customize their Internet-in-a-Box with high-quality free educational materials for schools, clinics, or families. To set it up, individuals can install the software on a Raspberry Pi or a Linux PC. Additional resources include OpenStreetMap

Published: 2025-04-27 | Origin: /r/programming

Transitioning to microservices involves significant technical and organizational changes, including defining service boundaries, managing decentralized data, and facilitating interservice communication. An 80+ page ebook delves into these common migration challenges, featuring insights from development teams at Uber, Spotify, and Netflix to prepare readers for potential obstacles. The author recently attended the Coordination Crisis Summit at the University of Maryland, where a survey revealed that over half of 994 tech and knowledge workers spend 25–50% of their week on "work

Published: 2025-04-27 | Origin: /r/programming

May marks the five-year anniversary since Dolt adopted the go-mysql-server (GMS). This summary outlines the current state of GMS by detailing the journey of a query from parsing to result spooling. The SQL engine acts as a bridge between the client and storage, performing several key steps: parsing, binding, plan simplification, join exploration, plan costing, execution, and spooling results. Dolt currently employs a row-based execution strategy in a local server environment. The parsing process begins

Published: 2025-04-27 | Origin: /r/programming

Of course! Please provide the content you'd like me to summarize.

Published: 2025-04-27 | Origin: /r/programming

Sure! Please provide the content you'd like me to summarize.

Published: 2025-04-27 | Origin: /r/programming

The content discusses the advantages of hash tables as a data structure, particularly for rapid lookups, quick inserts, and fast deletions. However, it also emphasizes that there are trade-offs involved, and developers should choose hash tables carefully based on their specific needs. To illustrate the point, the example of Vin Diesel designing a seat management system for a coworking space is presented. Vin creates a Room class to manage seat occupancy and considers various data structures to store seat objects. Given the limited size of

Published: 2025-04-27 | Origin: Hacker News

GraalVM version 25 introduced support for compiling Java programs to WebAssembly (WASM), allowing the execution of Clojure programs in this environment. Although the WASM backend is still in early development and lacks support for threading and networking, it can run single-threaded computational programs. A simple "Hello, World!" Clojure program outputs to the browser console with a WASM binary size of 5.6MB, which can be reduced to approximately 2.5MB when compressed

Published: 2025-04-27 | Origin: /r/programming

The newsletter focuses on software engineering, offering weekly articles that cover topics from coding basics to advanced system design. It emphasizes delivering well-researched, valuable content without unnecessary fillers.

Published: 2025-04-27 | Origin: Hacker News

The content discusses the capabilities of CSS-based design, highlighting the importance of clearing outdated practices and embracing modern web standards achieved through the efforts of organizations like W3C and WaSP. It promotes the CSS Zen Garden as a platform for showcasing the power of CSS by allowing users to change stylesheets on a static HTML page, emphasizing that the underlying HTML remains the same while different CSS files create diverse visual presentations. The aim is to inspire and excite participants about CSS's potential for aesthetic web design. The piece

Published: 2025-04-27 | Origin: Hacker News

learn-c.org offers a free interactive tutorial for learning the C programming language, suitable for both beginners and experienced programmers. Users can easily start by clicking on chapters without the need for downloads. The site is still being developed, and contributions for tutorials are welcomed.

Published: 2025-04-27 | Origin: Hacker News

Of course! Please provide the content you would like me to summarize.

Published: 2025-04-27 | Origin: Hacker News

The content appears to be a portion of a PDF file, specifically in a binary format. The file is encoded with various stream objects that include incomprehensible characters and graphical data, which are typical in PDF files. The PDF metadata indicates compatibility with version 1.4, and it is set for printer quality configuration. Overall, there is no coherent text or visible content that can be summarized meaningfully, as it consists primarily of binary data with some symbolic representations.

Published: 2025-04-27 | Origin: Hacker News

Of course! Please provide the content you'd like me to summarize, and I'll be happy to help.

Published: 2025-04-26 | Origin: /r/programming

Spotify allows Unicode usernames, which can lead to unique experiences but also significant issues. A notable incident occurred on Good Friday when a user claimed he and a friend could hijack accounts. The forum manager challenged him, resulting in his account being compromised. Promptly, the team investigated the issue, discovering that the problem stemmed from how canonical usernames (the standardized form of usernames) were derived from user-selected names. They had to temporarily disable account creation to address the vulnerability. The situation highlighted the importance of