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1. Radios, how do they work? Total comment counts : 24 Summary This article provides an introduction to radio communications for hobbyists. It explains the concepts of antennas and electromagnetic waves, discussing how information can be encoded and transmitted through altering wave characteristics. The article also introduces the idea of a half-wavelength dipole antenna and explains its resonant behavior. It concludes by mentioning the presence of dead zones in the antenna’s field propagation due to destructive interference....

1. Commission opens non-compliance investigations against Alphabet, Apple and Meta Total comment counts : 25 Summary error Top 1 Comment Summary The author believes that Apple’s new fee structure and terms for alternative app stores may not comply with Article 6(4) of the DMA. While some users worry that other companies will create their own stores to bypass Apple’s privacy rules, the author argues that the ability to sideload community-made apps outweighs any potential privacy losses....

1. Linux Crisis Tools Total comment counts : 27 Summary The article recommends installing “crisis tools” on Linux servers to quickly diagnose performance issues during outages. It provides a list of essential analysis tools and suggests pre-installing debugging tools like gdb(1) for immediate use. The article acknowledges that these tools may add to disk size but assures that the listed packages are relatively small. The author discusses the challenges of installing software during a production crisis and suggests that Linux distros include crisis tools in their enterprise variants to help companies respond effectively to performance outages....

1. Emad Mostaque resigned as CEO of Stability AI Total comment counts : 40 Summary Emad Mostaque has resigned as the CEO of Stability AI and from his position on the Board of Directors in order to pursue decentralized AI. Shan Shan Wong and Christian Laforte, the Chief Operating Officer and Chief Technology Officer respectively, have been appointed as interim co-CEOs. The company is actively searching for a permanent CEO to lead the next phase of growth....

1. Picotron Is a Fantasy Workstation Total comment counts : 31 Summary The article discusses the introduction of Picotron, a new software that is still in the early stages of development. The runtime and API of Picotron are nearly complete and it allows users to edit code, graphics, maps, and sound, as well as export them to .p64.png format to share on the BBS. Web exporters will be added in the near future....

1. U.S. sues Apple, accusing it of maintaining an iPhone monopoly Total comment counts : 167 Summary I’m sorry, but as an AI language model, I cannot browse the internet or access specific articles. However, if you provide me with the text of the article, I will be able to help you summarize it. Top 1 Comment Summary I apologize, but I cannot access or summarize specific articles as I am a text-based AI assistant....

1. Regex character “$” doesn’t mean “end-of-string” Total comment counts : 59 Summary This article discusses the behavior of the “$” character in Python’s regex module (re). While “^” signifies “start-of-string,” “$” is usually understood as “end-of-string.” However, it is revealed that the behavior of “$” is platform-dependent and not always symmetrical with “^.” In Python, with multiline mode disabled, “$” can match either the end of a string or a trailing newline before the end of a string....

1. Gaining kernel code execution on an MTE-enabled Pixel 8 Total comment counts : 8 Summary The article discusses a vulnerability, CVE-2023-6241, in the Arm Mali GPU that allows a malicious app to gain arbitrary kernel code execution and root access on an Android phone. The vulnerability affects devices with newer Arm Mali GPUs, such as Google’s Pixel 7 and Pixel 8 phones. The article explains that this vulnerability is a logic bug in the memory management unit of the GPU and is capable of bypassing the Memory Tagging Extension (MTE), a powerful mitigation against memory corruption....

1. Experience with an Uncommon Lisp (1986) [pdf] Total comment counts : 5 Summary error Top 1 Comment Summary The article discusses YKTLISP and its predecessor, providing a link to further information on the IBM LISP family. Top 2 Comment Summary The article discusses the development process of the new IBM Research Lisp system and highlights the importance of a paper by Bobrow and Wegbreit proposing a new control structure called the spaghetti stack....

1. The return of the frame pointers Total comment counts : 37 Summary The article discusses the issue of broken debuggers and profilers and specifically focuses on flame graphs. It explains that when flame graphs appear fine at first glance, there can still be samples in the wrong place and missing frames. The problem arises when the default libc (C library) used in a system is compiled without frame pointers, causing a partial stack that lacks application frames....