Published: 2025-07-10 | Origin: /r/programming

The content discusses the use of bitwise operations in programming, particularly emphasizing their readability and practicality. The author expresses a preference for clear code over complex bitwise tricks, using the example of swapping two variables with XOR as a case where bitwise operations may look appealing but ultimately complicate understanding without performance benefits. The article highlights a common optimization—using bitwise shifts for multiplication and division by powers of two—as a legitimate micro-optimization, though it advocates for using standard operators for clarity in most situations.

Published: 2025-07-10 | Origin: Hacker News

Pangolin is a self-hosted tunneled reverse proxy server designed to securely connect private resources on distributed networks, offering identity and access control features. It enables organizations to create encrypted tunnels that facilitate access to remote services without needing to open ports, making it suitable for environments with restrictive firewalls. The server acts as a central hub for isolated networks. Key features include: - A dashboard UI for resource management. - Domain configuration to connect private sites and expose various resources. - Use case examples include bypass

Published: 2025-07-10 | Origin: /r/programming

A randomized controlled trial (RCT) was conducted to assess the impact of early-2025 AI tools on the productivity of experienced open-source developers working on their own repositories. The findings revealed that the use of AI tools actually slowed developers down, taking 19% longer to complete tasks compared to when they did not use these tools. This study serves as an early snapshot of AI capabilities, and the researchers plan to continue employing this methodology to evaluate how AI might accelerate research and development in the future. The

Published: 2025-07-10 | Origin: /r/programming

FOKS offers a secure, end-to-end encrypted Git hosting service, ensuring that your data is encrypted on your device before transmission, making it safe even if the server is compromised. It supports both self-hosting and external hosting through a federated model. FOKS employs modern PQ-secure public-key cryptography to protect against quantum attacks. Internally, it uses an encrypted key-value store, where clients encrypt data before upload and decrypt it upon retrieval, supporting various data types. FOK

Published: 2025-07-10 | Origin: /r/ruby

The content discusses the issue of creating a custom class named `Integer` in Ruby, which leads to a `NoMethodError` due to a conflict with Ruby's built-in `Integer` class. When trying to instantiate objects using `Integer.new`, Ruby mistakenly calls the `new` method on its own `Integer` class instead of the custom one, resulting in the error. To avoid this conflict, the recommended solution is to wrap the custom `Integer` class in a module (e.g.,

Published: 2025-07-10 | Origin: Hacker News

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Published: 2025-07-10 | Origin: /r/programming

The content emphasizes that all feedback is valued and taken seriously. It also points out that additional qualifiers can be found in their documentation, and suggests reloading the page due to an error that occurred while loading.

Published: 2025-07-10 | Origin: Hacker News

The author, Adrien Friggeri, began running in his late twenties but struggled with consistency until a turning point in July 2015. After a series of consecutive runs, he managed to maintain a daily running streak that has lasted for ten years. Over this period, he has experienced running in diverse locations across all seven continents, often facing various challenges, including injuries and extreme weather. Running has significantly impacted his life, offering valuable lessons and adventures. He expresses gratitude for the support of his wife

Published: 2025-07-10 | Origin: /r/programming

The content discusses various methods used in different compilers to bundle functions with data and transport this information to the caller, including Nested Functions (GCC), Blocks (Clang), Wide Function Pointers (Borland), and Lambdas (C++). It highlights the trade-offs of these approaches while proposing a solution to enhance this functionality in C. An initial release introduces a more accessible overview of these concepts, referencing a previous writeup from 2021 that predates certain developments such as Heap-based

Published: 2025-07-10 | Origin: /r/programming

The content discusses the latest updates to egui, an immediate mode GUI for Rust that operates on both web and native platforms, sponsored by Rerun. The major new feature introduced is "egui::Atom," which allows for the integration of images and text in various widgets, enhancing the flexibility of the layout engine. Atoms can be used to create more complex widgets, such as buttons, checkboxes, and radio buttons, which now support mixed content and simplification of layout math. An `

Published: 2025-07-10 | Origin: Hacker News

Dynamicland is an independent nonprofit research lab dedicated to promoting universal literacy through a humane and dynamic medium. Its mission involves creating innovative computing environments that support educational and community institutions. One of its significant initiatives, Realtalk, allows people to collaboratively explore computational models using physical materials in a real-world setting. From 2017 until the onset of Covid, Dynamicland operated a community workspace in Oakland, California, fostering a culture of communal computing through workshops and projects that leveraged the unique environment. The organization is now

Published: 2025-07-10 | Origin: /r/ruby

The text discusses the advantages of using SQL and DryStructs for generating reports and dashboards in a Ruby application, particularly in the context of ActiveRecord. While ActiveRecord is effective for basic CRUD operations and offers some aggregation methods, it falls short for complex reporting needs. Common Table Expressions (CTEs) in raw SQL are highlighted as a powerful solution for transforming operational data into a report-ready format. The content outlines how Zipline users can track message readership and task completion across teams, demonstrating this with an

Published: 2025-07-10 | Origin: Hacker News

The content describes an AI tool that generates commands for video and audio editing, which users can execute directly in their web browsers. Examples of commands include trimming the first 20 seconds of a video, extracting audio as an MP3 file, and mixing audio from an MP3 into a video while maintaining the video's length.

Published: 2025-07-10 | Origin: /r/programming

The content describes a significant optimization made to the log-query scanning process in ClickHouse, where the scanning of data blocks was reduced from nearly 100% to less than 1%. This was achieved by reorganizing log storage through a method that generates a deterministic "resource fingerprint" (a hash of relevant identifiers) for each log source. By sorting logs based on this fingerprint, logs from the same pod or service are stored contiguously, allowing ClickHouse to efficiently skip irrelevant blocks during queries.

Published: 2025-07-10 | Origin: /r/ruby

The article discusses how to set up a typical text editor using a Stimulus controller, focusing on settings such as theme, line numbers, and font size. Instead of creating separate methods for each setting (like updateTheme or setLineNumbers), it suggests using a more maintainable approach by implementing a single `updateSetting` method. This method utilizes Stimulus’ action parameters to handle updates, allowing for a more streamlined and reusable code structure. The setup begins with the HTML and progresses to the JavaScript

Published: 2025-07-10 | Origin: Hacker News

CERN is a research organization focused on exploring the fundamental structure of particles that constitute the universe, utilizing the world's largest scientific instruments. Their mission involves conducting fundamental research, contributing to society, conducting environmentally responsible studies, fostering international collaboration, and inspiring education. Key achievements include significant discoveries like the Higgs boson and advancements in particle physics. CERN's research encompasses a wide range of topics, including antimatter, dark matter, and cosmic rays, while also promoting knowledge sharing and engaging the global scientific community.

Published: 2025-07-10 | Origin: Hacker News

Tokyo has developed a sophisticated flood defense system, including dams, levees, and the Metropolitan Area Outer Underground Discharge Channel (MAOUDC), a network of tunnels and chambers designed to protect the city from flooding. Water management expert Cecilia Tortajada describes her experience visiting the impressive underground water tank and highlights Tokyo's effective strategies for coping with severe weather. However, the city's future flood resilience is uncertain due to climate change and shifting rainfall patterns, as Tokyo is already vulnerable because of its geographic location and

Published: 2025-07-10 | Origin: /r/programming

The content promotes a unique programming language called JPL (JSON Programming Language) that uses JSON syntax for coding. It emphasizes the unconventional and playful nature of this language, warning those who are apprehensive of curly braces and brackets to proceed with caution. Users are encouraged to explore examples, run scripts, and import libraries while embracing the chaotic creativity of coding in JPL. The language is released under the MIT License and is described as a tool for adventurous programmers who enjoy working with JSON. The message ends with

Published: 2025-07-10 | Origin: Hacker News

A German court has ruled that Meta (formerly Facebook) must pay €5,000 ($5,900) to a user for embedding tracking technology on third-party websites without consent, violating the EU's General Data Protection Regulation (GDPR). The Leipzig Regional Court stated that Meta's tracking pixels collect data from users who have not logged into Facebook or Instagram, thereby identifying them. This ruling sets a precedent for other users to sue without needing to demonstrate specific damages, potentially leading to large class action lawsuits against

Published: 2025-07-10 | Origin: Hacker News

The Samuels Public Library in Front Royal, Virginia, has navigated significant challenges, including attempts by a local anti-LGBTQ group to remove certain children's books and a threatened takeover by the private equity firm Library Systems & Services (LS&S). Despite having its funding cut by local officials in alignment with the book banners, the community rallied to protect the library, resulting in LS&S withdrawing its bid to manage the library. Founded in 1799, Samuels is the second oldest library in Virginia and