Published: 2025-08-13 | Origin: Hacker News

On August 11, 2025, Vanessa Bates Ramirez reported on the emerging technology of subsea desalination, which aims to address global water shortages by extracting fresh water from the deep ocean. The UN warns that in five years, demand for fresh water may significantly surpass supply, prompting companies to explore this innovative solution. Traditional desalination methods, such as boiling seawater or using multistage flash distillation, have been energy-intensive and costly. The more common modern approach, reverse osmosis,

Published: 2025-08-12 | Origin: /r/ruby

The content describes a powerful Terminal User Interface (TUI) application designed for creating, editing, and managing HyperLists, which is a methodology for structuring information hierarchically. HyperLists can be utilized for various purposes, such as outlining, task management, process design, and data modeling. The application stores its configuration in a specified directory and includes a test suite to ensure feature functionality. Contributions through issues and pull requests are encouraged, and the software is released into the Public Domain. For more details

Published: 2025-08-12 | Origin: Hacker News

The Ashet Home Computer is an expandable, hackable computer inspired by 80s home computers. It aims to combine the simplicity of Arduinos with the capabilities of a Raspberry Pi, providing a platform for fun and learning. The design phase is complete, with a validated prototype using the RP2350 processor that successfully boots an operating system. Next steps include engineering schematics, PCB layouts, and evaluating hardware limits, which will be funded through a crowdfunding campaign on platforms like Indiegogo or Kickstarter

Published: 2025-08-12 | Origin: /r/programming

The blog post introduces Rube, a new type of MCP (Managed Cloud Platform) that has recently launched. It highlights the growing adoption of MCPs and discusses security risks associated with their implementation. The author, Anmol, emphasizes that many servers have significant security vulnerabilities that could lead to data breaches or unauthorized access if not addressed. The post outlines several key security threats, such as: 1. **Tool Description Injection**: Malicious prompts can be injected during the setup of tools, posing risks

Published: 2025-08-12 | Origin: /r/programming

The content emphasizes the importance of feedback, particularly in the context of security policies as types in dependently typed languages such as Agda and Lean. It discusses a repository that demonstrates how to encode access control policies as types, drawing on ideas from the paper "Policy as Code, Policy as Type" and comparing this approach to other systems like Rego, Sentinel, and Cedar. The text highlights that well-defined, provably correct policies are crucial for mitigating reputational, legal, and financial risks in

Published: 2025-08-12 | Origin: Hacker News

The author undertook a project to build a web search engine from scratch, motivated by a desire to improve the quality of search results and the perceived limitations of existing search engines. They questioned why search engines don't consistently yield high-quality content and noted the shortcomings in handling complex queries. The project aimed to cover various areas of computer science and NLP while enhancing their skills. Over the course of two months, the author documented their journey, which began with no infrastructure or experience in building a search engine. They created

Published: 2025-08-12 | Origin: Hacker News

Claude Sonnet 4 has introduced support for up to 1 million tokens of context via the Anthropic API, a fivefold increase that enables users to process extensive codebases and a multitude of research papers in a single request. This long context support is now in public beta on the Anthropic API and Amazon Bedrock, with Google Cloud’s Vertex AI expected soon. The expansion allows for more complex and data-intensive applications, although pricing will adjust for prompts exceeding 200,000 tokens. By utilizing

Published: 2025-08-12 | Origin: /r/programming

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Published: 2025-08-12 | Origin: /r/ruby

In a reflection on their work from March 2025, the team at RubyElders.com focuses on maintaining the health of the Ruby ecosystem, particularly for popular gems that lack active maintainers. Their project aims to ensure these gems are functional on current Ruby versions. They created an automated system to analyze monthly download data from RubyGems.org, filtering out major players to concentrate on smaller, community-driven projects. A notable aspect of their approach included an AI tool that scans GitHub Actions workflow files

Published: 2025-08-12 | Origin: /r/programming

The EC Open Source Programme Office (EC OSPO) has restarted its efforts to enhance open source software (OSS) security by awarding a contract for organizing bug bounties. This initiative builds on previous programs, notably the EU's bug bounty launched in February 2022, aimed at improving the security of OSS, which is integral to various sectors, including EU systems. The bug bounty program traces its roots back to 2019, initiated by Julia Reda MEP in response to significant vulnerabilities uncovered

Published: 2025-08-12 | Origin: /r/programming

The content discusses the increasing trend of electrification in energy consumption, driven by devices like heat pumps, induction cooktops, and electric vehicles (EVs). This transition is beneficial for reducing carbon emissions, especially when powered by renewable energy. However, it presents technical challenges, such as grid congestion, particularly as peak energy consumption times often coincide with solar energy production. Households typically use 10-25 kWh daily, with electric vehicles adding significant demand. The simultaneous use of multiple devices and solar energy

Published: 2025-08-12 | Origin: Hacker News

In Linux terminals, the traditional Control-C and Control-V shortcuts for copying and pasting do not work as they do in other applications; instead, users must use Control+Shift+C and Control+Shift+V. However, by the end of 2025, many apps will support alternative shortcut combinations for copy and paste without requiring additional software or configuration. This change harkens back to older keyboards that had dedicated physical keys for these functions. While those physical keys are no longer common, the rise of

Published: 2025-08-12 | Origin: /r/ruby

The author discusses improvements made to Ractors, a feature in Ruby intended for parallel execution. Previously, Ractors faced limitations due to the global VM lock, which hindered performance compared to single-threaded execution. The author has successfully eliminated or reduced several contention points, specifically mentioning the object_id method and class instance variables. They highlight an interesting contention point related to the generic instance variables table in the Ruby virtual machine (VM). The post emphasizes that while Ruby treats everything as an object, not all objects

Published: 2025-08-12 | Origin: /r/programming

The latest discussion in the software development realm highlights the ongoing excitement surrounding AI coding assistants, despite evidence suggesting they may hinder productivity rather than enhance it. While some companies like JPMorgan Chase report improvements in engineering efficiency and developers note time savings, a recent study from Model Evaluation and Threat Research (METR) indicated that developers may actually be slower when using these AI tools. Many organizations struggle to measure the true impact of AI on software velocity and stability. Despite these mixed results, developers report higher satisfaction and engagement

Published: 2025-08-12 | Origin: /r/programming

This content discusses how to use Braille characters to render Conway's Game of Life in a terminal using C++. Braille characters consist of arrangements of 6 dots, used primarily by people with visual impairments for reading and writing. In addition to the basic Braille alphabet, there is a variant known as Computer Braille, which includes 8 dots to represent additional symbols important for computing, allowing for a total of 256 unique Braille characters encoded in Unicode from U+2800 to U+

Published: 2025-08-12 | Origin: /r/programming

EvoMaster is the first open-source AI-driven tool designed to automatically generate system-level test cases for web and enterprise applications, specifically for fuzzing. Launched in 2016, it targets testing for various types of Web APIs, including REST, GraphQL, and RPC. The tool not only generates inputs to identify program crashes but also produces effective test suites in formats like Python, JavaScript, and Java/Kotlin JUnit for regression testing. EvoMaster utilizes an Evolutionary Algorithm and Dynamic

Published: 2025-08-12 | Origin: Hacker News

ForgeFed is a federation protocol designed for software forges and code collaboration tools used throughout the software development lifecycle, including repository hosting, issue tracking, and code review applications. It allows different code collaboration websites to interact seamlessly, enabling users to engage with repositories and issues across various platforms without needing multiple accounts. This federated approach empowers users to host their code wherever they choose while remaining connected to a broader network of collaboration, free from reliance on centralized services or policies of large companies. ForgeFed is based

Published: 2025-08-12 | Origin: Hacker News

StarDict is a GPLv3-licensed cross-platform dictionary application that supports multiple languages and has a variety of plugins. However, it has a significant security issue: when running on X11 with Debian's default settings, it sends users' text selections over unencrypted HTTP to two remote servers. This problem was reported by Vincent Lefevre on August 4 to the oss-security mailing list and Debian's bug tracker, particularly while testing for the upcoming Debian 13 release. The issue arises because Star

Published: 2025-08-12 | Origin: Hacker News

The blog post summarizes a talk by Devine held on November 26, 2022, along with a video link to the presentation on YouTube. It acknowledges Matt Mascarenhas for providing an auto-transcript that facilitated the creation of the text. However, it notes that after an event in February 2025, the speaker has distanced themselves from the conference that hosted the talk. Devine explains that the Handmade Seattle conference faced backlash from attendees over changes in the November 2024

Published: 2025-08-12 | Origin: Hacker News

The content you're asking to summarize appears to be a PDF file header and metadata about the document. It identifies an extensive list of authors (many names) presumably associated with a collaborative work, as indicated by the term "5 Team" suggesting a large group collaboration. Specific details about the document's content, purpose, or subject matter are not provided, as the text primarily focuses on the document structure and its authors.