hackernews

1. Everyone is capable of, and can benefit from, mathematical thinking Total comment counts : 56 Summary Summary of “Mathematica: A Secret World of Intuition and Curiosity” by David Bessis: David Bessis, once a researcher in geometric group theory before founding a machine learning startup, explores the essence of doing mathematics in his book “Mathematica.” Bessis, who was always intrigued by the hidden, almost magical nature of math, argues that mathematics is not just about solving problems but involves a profound internal dialogue between intuition and logic....

1. Epic Allows Internet Archive to Distribute Unreal and Unreal Tournament Forever Total comment counts : 29 Summary The article discusses the issue of video game preservation, focusing on the conflict between intellectual property (IP) rights and the public’s interest in accessing cultural artifacts like old video games. Here are the key points: IP Rights vs. Public Access: The author criticizes game publishers for holding onto copyrights of games they no longer support or distribute, arguing this violates the intended “bargain” of copyright law where works eventually enter the public domain....

1. DOJ will push Google to sell off Chrome Total comment counts : 151 Summary The article provides instructions for users to confirm they are not robots by clicking a box, ensuring their browser supports necessary web technologies like JavaScript and cookies, and not blocking them. It also directs users to review the Terms of Service and Cookie Policy for more details, and to contact the support team with a provided reference ID if there are any issues....

1. Reverse Engineering iOS 18 Inactivity Reboot Total comment counts : 21 Summary The article discusses the security differences between the “Before First Unlock” (BFU) and “After First Unlock” (AFU) states on an iPhone: BFU State: When an iPhone is first powered on or after a restart, it requires the user’s passcode to unlock the Secure Enclave Processor (SEP), which holds the keys to decrypt user data. During this state: Face ID and Touch ID do not work; only the passcode can unlock the phone....

1. CSS gets a new logo and it uses the color rebeccapurple Total comment counts : 32 Summary The CSS community has chosen a new official logo through a vote on GitHub, which reflects the design language of other web technology logos like JavaScript and TypeScript. The logo features the color rebeccapurple (#663399), a hue added to the CSS specification in 2014 to honor Rebecca Meyer, the daughter of influential CSS author Eric Meyer....

1. Kyanos: eBPF-based network issue analysis tool Total comment counts : 7 Summary Summary of the Article: Kyanos is an eBPF-based tool designed for network issue analysis, offering capabilities beyond traditional packet capture tools like tcpdump. Here are the key points: Functionality: Kyanos captures network requests (HTTP, Redis, MySQL) and provides detailed analysis without the need for complex packet capturing steps. It aggregates packet metrics across various dimensions to quickly identify issues....

1. Upcoming Hardening in PHP Total comment counts : 11 Summary The article discusses the efforts to enhance security in PHP’s memory allocation system. In 2022, after a talk at BlackAlps about PHP allocator vulnerabilities, the author decided to address these security issues due to the ease of exploiting PHP’s heap. Two years later, they started working on this with Arnaud Le Blanc, focusing on both heap-related and other security enhancements....

1. MomBoard: E-ink display for a parent with amnesia Total comment counts : 40 Summary The article describes the setup of an e-ink display in the apartment of the author’s mother, who suffers from permanent anterograde amnesia following surgery. This condition leaves her unable to form new long-term memories, causing her to live with constant anxiety about her children’s whereabouts and well-being. Traditional reminders like paper notes were ineffective due to her memory issues....

1. No GPS required: our app can now locate underground trains Total comment counts : 56 Summary error Top 1 Comment Summary The article discusses a discovery by a French company named Snips, which developed an app that could detect when a train entered or left a station by utilizing the pressure sensor in smartphones. The app noticed a distinct change in air pressure when the train moved in or out of tunnels, which are common between subway stations....

1. How I ship projects at big tech companies Total comment counts : 80 Summary The article discusses the nuances of project management in large tech companies, focusing on the process of “shipping” a project, which means getting it completed and recognized as successfully launched by company leadership. Here are the key points: Shipping is Not Automatic: Unlike coding, shipping requires active management and prioritization. It doesn’t happen naturally once the code is written or tasks are completed; it requires someone to take charge of the process....