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Recursive macros in C, demystified (once the ugly crying stops) Published: 2025-11-06 | Origin: Hacker News The content discusses the complexities and challenges of using the C Preprocessor's macro system, which is often viewed unfavorably by the author, despite their extensive experience with C. While acknowledging that C has numerous advantages that contribute to its long-standing significance in programming (60 years), the author expresses frustration with the limitations of its macro system, particularly its inability to support recursive calls effectively. The piece highlights the importance of macros as the sole means of compile-time execution in C, especially for critical systems, while |
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Bluetooth 6.2 – more responsive, improves security, USB comms, and testing Published: 2025-11-06 | Origin: Hacker News CNX Software provides news and reviews on embedded systems, IoT, and related technologies. The recent release of the Bluetooth 6.2 specification introduces features aimed at enhancing connection responsiveness, improving security against RF attacks, and facilitating communication through a new "Bulk Serialization Mode," particularly beneficial for Bluetooth LE audio applications. The Bluetooth SIG has shifted to a bi-annual release schedule, with the last specification (Bluetooth 6.1) published six months prior. Key features of Bluetooth 6.2 include |
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Solarpunk is happening in Africa Published: 2025-11-05 | Origin: Hacker News **Climate Drift Summary:** Climate Drift is a resource for operators, founders, and investors focused on impactful climate solutions. The current edition discusses the innovative developments in Sub-Saharan Africa, where startups are revolutionizing electricity access through affordable solar solutions instead of traditional infrastructure. Key points include: - Over 30 million solar products sold in 2024, with 400,000 new installations monthly. - Companies that emerged within the last 15 years now capture 50% of the market. - The |
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The state of SIMD in Rust in 2025 Published: 2025-11-05 | Origin: Hacker News The article introduces SIMD (Single Instruction, Multiple Data), a technique utilized by modern CPUs to enhance arithmetic operations by processing multiple data points simultaneously instead of one at a time. This approach aims to overcome the limitations of instruction decoding bottlenecks, allowing for significant speedups in computation—up to 8x for 64-bit integers and 64x for 8-bit integers on recent architectures. SIMD has been implemented in various CPU architectures under different names, such as ARM’s NEON and the Web |
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Dillo, a multi-platform graphical web browser Published: 2025-11-05 | Origin: Hacker News The content emphasizes that feedback is valued and taken seriously. It provides an introduction to Dillo, a multi-platform graphical web browser that prioritizes speed, a small footprint, personal security, and privacy, developed using the FLTK 1.3 GUI toolkit. Users are instructed to follow an installation guide to install Dillo. The repository includes the original code along with minor patches, and contributions are encouraged. Additionally, it mentions that as of December 2023, the website dillo.org is no |
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ChatGPT terms disallow its use in providing legal and medical advice to others Published: 2025-11-05 | Origin: Hacker News The content is an acknowledgment that the Shopping Trends team is separate from CTV News journalists. It also notes that the team may earn a commission from links used for shopping. The update is from November 5, 2025, with the publication time also on the same date. The information is under the copyright of BellMedia. |
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Show HN: I scraped 3B Goodreads reviews to train a better recommendation model Published: 2025-11-05 | Origin: Hacker News The message indicates that no books have been chosen at the moment and prompts the user to search for and select books. |
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Why aren't smart people happier? Published: 2025-11-05 | Origin: Hacker News Adam Mastroianni, author of "Experimental History," researches social perception and misperception. His work has appeared in notable publications like Science and Nature, and he has a PhD in psychology from Harvard, alongside a record of completing 137 escape rooms. Originally from Monroeville, Ohio, he currently resides in New York City. The text presents a general definition of intelligence as a comprehensive mental capability that involves reasoning, planning, problem-solving, abstract thinking, and learning from experience. |
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We Love Horror Stories Published: 2025-11-05 | Origin: Hacker News The content discusses the longstanding human fascination with horror stories, tracing its roots back to ancient myths, including those from Greek and Roman cultures and the Epic of Gilgamesh. It suggests that this interest in horror may be an evolutionary trait related to our ability to detect threats. Behavioral scientist Coltan Scrivener, in his book "Morbidly Curious: A Scientist Explains Why We Can’t Look Away," argues that rather than being morbid, our attraction to horror is psychologically adaptive. Scriv |
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Mini Java Collection Published: 2025-11-05 | Origin: /r/programming Of course! Please provide the content you would like me to summarize. |
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Hypothesis: Property-Based Testing for Python Published: 2025-11-05 | Origin: Hacker News Hypothesis is a Python library designed for property-based testing, where users define tests that should hold true for a specified range of inputs. The library then randomly selects inputs to test, including edge cases that users may not consider. New users are encouraged to begin with either the tutorial or the concise quickstart guide. Additional resources include practical guides for specific scenarios, commentary to enhance understanding, and a technical API reference. |
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Direct File won't happen in 2026, IRS tells states Published: 2025-11-05 | Origin: Hacker News The IRS has informed 25 states that its Direct File service, which allowed for free government tax filing, will not be available for the 2026 filing season. The announcement follows an earlier report suggesting the program would end amidst opposition from Republicans and tax preparation companies. Direct File, launched in 2024, had received positive feedback from over 296,500 users but is now discontinued. Taxpayers seeking their transcripts will need to access their IRS online accounts for assistance. A recent tax and spending |
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GM Deprecating In-Car App Store for Models as Recent as 2020 Published: 2025-11-05 | Origin: Hacker News Failed to fetch content - HTTP Status - 403 |
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i can not create docker image of my spring boot file can some body help me Published: 2025-11-05 | Origin: /r/programming The content emphasizes that feedback is valued and taken seriously. It suggests referring to the documentation for a list of available qualifiers. Additionally, it notes that there was an error while loading the page and advises the user to reload it. |
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Linux Troubleshooting: The Hidden Stories Behind CPU, Memory, and I/O Metrics Published: 2025-11-05 | Origin: /r/programming The narrative discusses the complexities of interpreting performance metrics in production environments. Despite seemingly healthy metrics like 60% CPU utilization and 40% free memory, issues can arise, leading to user complaints and high latency, highlighting the need for deeper analysis. Basic metrics often lack context, and the guide aims to improve understanding of Linux performance metrics and troubleshooting. It emphasizes the importance of assessing load average in relation to the run queue depth rather than CPU core count, as this can reveal performance issues. A situation where |
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Bluetui – A TUI for managing Bluetooth on Linux Published: 2025-11-04 | Origin: Hacker News The content emphasizes the importance of user feedback and officially directs users to documentation for available qualifiers. It discusses features and installation options for "bluetui," a terminal user interface (TUI) for managing Bluetooth on Linux systems with BlueZ installed. Users are guided on how to install bluetui from various sources, including pre-built binaries, crate repositories, and overlays for Gentoo. Keybindings for the application are specified for navigating and managing Bluetooth devices, with customization options available in a config file. |
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Patching 68K Software – SimpleText Published: 2025-11-04 | Origin: Hacker News Sure! Please provide the content you would like me to summarize. |
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Mr Tiff Published: 2025-11-04 | Origin: Hacker News The author emphasizes the importance of acknowledging the inventors behind hardware and software developments in their work. With over 10,000 hours dedicated to researching and documenting their contributions, the author engages in extensive interviews to ensure accurate representation of historical facts, recognizing that personal memories can affect recollection over time. A notable example includes the collaboration between English musician Peter Gabriel and the Apple Sound Chip team, where Gabriel approved the use of his song 'Red Rain' for a launch. The author also highlights discussions with Steve |
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Benchmarking the cost of Java's EnumSet - A Second Look Published: 2025-11-04 | Origin: /r/programming In his post from January 5, 2024, Thomas Kinnen reflects on Chris Wellons' article titled "The cost of Java's EnumSet." As an experienced Java developer, Kinnen explores his questions and thoughts prompted by Wellons' work, aiming to gather concrete data through benchmarking. He discusses the challenges of profiling Java due to the JVM's runtime optimizations, which can obscure the true performance of small operations. Kinnen emphasizes the need for effective benchmarking tools, such as JMH |
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Learn How to Lower Latency through Persistent Connections (Keep-alive) Published: 2025-11-04 | Origin: /r/ruby Heroku offers an AI-driven Platform as a Service (PaaS) that simplifies app deployment and scaling, ideal for modern applications. It provides a flexible platform for developers to focus on app creation rather than infrastructure, supporting multiple programming languages and enhancing workflows with innovative features. Companies across various sectors, such as healthcare and fintech, leverage Heroku for growth and innovation, exemplified by Watch Duty, which successfully utilized the platform for real-time wildfire alerts. Additionally, the latest Heroku updates include improvements to |