Published: 2025-07-24 | Origin: Hacker News

The content emphasizes that all feedback is read and valued seriously. It also mentions that information on available qualifiers can be found in the documentation, and notes that there was an error while loading the page, prompting a reload.

Published: 2025-07-24 | Origin: Hacker News

A commenter on Electrek highlighted that air pollution goes beyond just vehicle exhaust, pointing out the impact of brake dust. Research led by EIT Urban Mobility in cities like London, Milan, and Barcelona shows that battery-electric cars produce 83% less brake dust compared to those with combustion engines. This finding shifts focus to non-exhaust emissions, which are crucial for urban air quality. Electric vehicles utilize regenerative braking, allowing them to slow down by converting energy back to the battery rather than relying on traditional

Published: 2025-07-24 | Origin: Hacker News

The content appears to be a list of entries from a news section related to Business & Financial Press, with dates ranging from June 30 to July 16, 2025. However, there is an issue with loading the content, and a suggestion is made to refresh the page or try again later. The section also includes links for additional resources, such as "About Us," "Quicklinks," "MyInfineon," and "Careers."

Published: 2025-07-24 | Origin: Hacker News

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Published: 2025-07-24 | Origin: Hacker News

The Purple Earth Hypothesis (PEH), proposed by Shiladitya DasSarma in 2007, suggests that the earliest photosynthetic life on Earth utilized retinal instead of chlorophyll, resulting in a purplish biosphere between 3.5 and 2.4 billion years ago. This time frame predates significant events like the Great Oxygenation Event and the Huronian glaciation. Retinal pigments absorb light primarily in the green-yellow region, reflecting red and blue light

Published: 2025-07-23 | Origin: Hacker News

The International Bartenders Association (IBA) has an official list of cocktails, recognized as the "most requested recipes" globally in the bartending industry. As of 2025, there are 102 IBA official cocktails. The author has undertaken the challenge of trying all of them, sharing that the experience has been more complex than expected. The journey, which spanned several years, was approached with care, ensuring moderation in drinking. The writer emphasizes the importance of knowing personal limits and encourages those struggling

Published: 2025-07-23 | Origin: Hacker News

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Published: 2025-07-23 | Origin: /r/programming

A recent session, which can be viewed in a recording starting at 7:05, evolved from a planned 30 minutes to an hour-long discussion due to its engaging content. Participants shared personal experiences about their growth as engineers and leaders, addressing both positive aspects and challenging aspects not often discussed. They highlighted six essential traits of successful engineering leaders, which are: 1. Being team players. 2. Effectively managing relationships at all levels. 3. Creating a positive work environment. 4. Focusing

Published: 2025-07-23 | Origin: /r/ruby

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Published: 2025-07-23 | Origin: /r/programming

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Published: 2025-07-23 | Origin: /r/ruby

The author predominantly works with Ruby on Rails applications but is currently developing a Ruby application on Rack, which is faster but lacks some conveniences provided by Rails, such as automatic code reloading. They discuss the limitations of the Zeitwerk code loader, which requires manual reloading and is not thread-safe, making it complicated when using web servers like Puma that utilize both threads and processes. The tutorial aims to address these challenges by combining Zeitwerk with the listen gem and concurrent-ruby to achieve effective code reloading

Published: 2025-07-23 | Origin: /r/programming

The content discusses a clever programming trick involving the use of uninitialized array values, which allows code to function correctly and improve performance by changing some operations from linear to constant time. This technique is referenced in works by Alfred Aho, John Hopcroft, and Jeffrey Ullman, as well as Jon Bentley. The main focus is on efficiently representing a sparse set of integers, which is typically done using a bit vector. This allows for fast operations to add, remove, or check integers. However, iter

Published: 2025-07-23 | Origin: Hacker News

The Pew Research Center's analysis indicates that AI features in Google's search results are negatively impacting web traffic. Following Google's implementation of AI Overviews, or "search generative experience," in May 2023, there has been a significant drop in clicks on search results. The report found that searches without AI responses had a click rate of 15%, while those with AI Overviews saw this rate decrease to 8%. Despite Google's assertion that users still click on links provided in AI Overviews, Pew's

Published: 2025-07-23 | Origin: Hacker News

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Published: 2025-07-23 | Origin: /r/programming

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Published: 2025-07-23 | Origin: Hacker News

CARA (Capstans Are Really Awesome) is the creator's latest quadrupedal robot, following previous models ZEUS, ARES, and TOPS. Developed over a year, CARA features an innovative design that utilizes capstan drives instead of traditional gears or pulleys, making her the second quadruped to employ this system after Stanley. Capstan drives offer benefits such as zero backlash, high torque transparency, low inertia, low cost, and quiet operation, making them ideal for robotics

Published: 2025-07-23 | Origin: Hacker News

The Promised LAN is a closed, membership-only network that has functioned as a 24/7 LAN party since 2021. While most documentation is kept within the LAN, the website provides insights for potential members and friends. A Manifesto outlines the reasons for the LAN's creation, its goals, and its social-technical dynamics. The network features a Backbone structure to manage connections efficiently, preventing complexity from multiple direct LAN connections. Currently consisting of three nodes (Debian with strongSwan

Published: 2025-07-23 | Origin: /r/programming

The X-Forwarded-For (XFF) HTTP header is essential for revealing the original IP address of clients in web requests, particularly when those requests pass through multiple intermediaries like servers, proxies, or load balancers. Without this header, the receiving server would only see the last intermediary's IP address. The X-Forwarded-For header allows intermediaries to provide the complete history of how the request was routed, helping backend applications identify the true client origin. The last proxy in the

Published: 2025-07-23 | Origin: /r/programming

The author is advocating for the Elixir programming language and its ecosystem, expressing frustration over having to repeatedly justify its value. They argue that Elixir is not only a solid option but often the best choice for modern development, especially in the context of scalable, maintainable, and high-performance applications. The piece addresses common misconceptions and highlights Elixir's unique features, such as its scalability, concurrency, and resilience due to its foundation on the Erlang VM (BEAM). The author has compiled their arguments

Published: 2025-07-23 | Origin: Hacker News

Upon returning to the U.S. from their historic Apollo 11 mission to the moon in 1969, astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins filled out a customs declaration form. They were required to declare "moon rock and moon dust samples" they had collected, listing their flight number as "Apollo 11" and their departure point as "Moon," with an arrival in Honolulu, Hawaii. The customs form included a section asking about conditions that could lead to the spread of disease