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

arXivLabs is a platform for collaborators to create and share new features on the arXiv website. Participants must align with arXiv's values of openness, community, excellence, and user data privacy. arXiv encourages project ideas that enhance value for its community. Additionally, users can receive operational status notifications through email or Slack.

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

The author discusses the challenges of staying motivated while working on large technical projects, highlighting a method that helps maintain enthusiasm and progress: breaking down tasks into smaller, manageable chunks that yield tangible results. They acknowledge the initial excitement of starting a project, which often fades over time, leading to distractions and decreased motivation. To combat this, the author emphasizes the importance of seeing real progress, as it fosters excitement and commitment to completing the work. Using their terminal emulator project as an example, they outline their approach without

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

The author expresses a strong affection for the C programming language, highlighting its speed and universal applicability, while also noting the deep connection they feel with their computer when coding in C. They acknowledge that their personal projects, including graphics rendering engines, are entirely written in C. However, they recognize the dangers associated with C, particularly when sharing projects with a broader audience due to potential memory safety issues. The author recounts their experience examining a web framework written in C that was shared on Hacker News, where they

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

The content emphasizes the importance of placing comments within a function to accurately reflect the state of the system at the time the comment is relevant. It critiques a poor comment that misleadingly suggests a widget is vibrating when it actually isn't checked until later in the code. The main takeaway is that comments should clearly describe the state of the program when execution reaches a specific block of code, rather than assuming previous context. An effective way to structure comments is through dummy else blocks, providing clarity about the actions taken within the

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

On October 9, 2025, Ruby Central posted a concerning "Incident Response Timeline" with exaggerated claims regarding an incident involving RubyGems.org. The primary operator of RubyGems.org, Mr. Arko, responds by clarifying that he securely managed the service for over ten years and that Ruby Central does not accuse him of any wrongdoing; they have no evidence of any data theft. During a confusing period caused by Ruby Central, team permissions were inconsistently revoked and restored, leading to

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

The author expresses a newfound enthusiasm for writing regular expressions (regex), likening them to small, efficient systems that excel in text manipulation and problem-solving in coding. This interest emerges amidst a college entrepreneurship course, where the author's team, focused on healthy food products, must develop a working prototype over three years. As the only computer science student in a predominantly biotechnology team, the author enjoys the freedom to lead the development. Advised to create a website before an app, the author chooses a familiar tech stack

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

The author reflects on the challenges faced by open source organizations when they reach a breaking point due to dwindling funding, fractured relationships, and unclear governance. Initially, these projects thrive organically, driven by passionate individuals solving problems, with infrastructure and roles developing naturally. However, attempting to formalize these arrangements uncovers underlying assumptions regarding ownership, funding, and organizational dynamics, often leading to confusion and crisis when issues arise. The discussion highlights the example of the open source project Oh My Zsh, which has established

Published: 2025-10-09 | Origin: /r/ruby

On October 9, 2025, gem.coop announced the establishment of its governance process, with assistance from a former contributor to RubyGems. The move aims to ensure community-led decisions and financial transparency, utilizing structures like gem.coop/governance and OpenCollective. The contributor initially served as an administrator to help set up these systems but has since stepped back, choosing to withdraw from community voting due to broader circumstances. They expressed pride in the governance efforts made and encouraged a constructive path

Published: 2025-10-09 | Origin: /r/ruby

Ruby Central has accused Andre Arko of unauthorized access to the Ruby Central AWS account, following a board decision to revoke his production access to RubyGems.org. This incident comes amid discussions about the RubyGems maintainer crisis, which highlights the tensions between corporate interests and open-source contributions, particularly in light of Shopify's positive role in supporting Ruby and Rails. Shortly after a post detailing these corporate dynamics was published, Ruby Central released a timeline of events concerning the revocation of access, revealing key facts

Published: 2025-10-09 | Origin: Hacker News

Acute pain serves as a vital warning system that helps us avoid harm, but chronic pain persists long after the initial injury has healed, becoming a significant problem in itself. Approximately 50 million people in the U.S. suffer from chronic pain, which is often difficult to treat. Neuroscientist J. Nicholas Betley explains that chronic pain is not just an injury that won't heal but rather involves sensitized and hyperactive brain inputs. Recent research led by Betley and his team has identified a specific

Published: 2025-10-09 | Origin: /r/ruby

The article discusses the author's upcoming talk at the SF Ruby Conference, focusing on improving application development speed by minimizing code loading in Ruby. The author explores Hanami, a web framework, to understand its approach to code loading. In Ruby, constants are globally accessible singletons, meaning every time a constant is defined, Ruby loads and evaluates related code, which contributes to slow application boot times. The key to enhancing development speed is to reduce the amount of code loaded upfront. By deferring the loading of

Published: 2025-10-09 | Origin: /r/ruby

Ruby Central has published a post-incident review regarding a security event involving AWS root access that occurred in September 2025. The incident was initially highlighted in a blog post on September 30th, raising concerns that a former maintainer still had access to the RubyGems.org production environment despite the revocation of administrative access for several accounts. The review outlines the investigation's findings, emphasizing that while there was no evidence of harm to user data or operations, the presence of unrevoked credentials and

Published: 2025-10-09 | Origin: /r/programming

The article discusses SQLite's main limitation regarding write concurrency, highlighting that it allows for unlimited readers but only a single writer at any given moment due to its Write-Ahead-Log (WAL) journaling mode. This results in serialized write operations, which can lead to delays during the fsync operation essential for data durability. In contrast, database engines with server components can manage concurrent writes more efficiently by batching them together. The author also mentions that they are developing a new concurrency model aimed at improving

Published: 2025-10-09 | Origin: Hacker News

A joint study by the UK AI Security Institute and the Alan Turing Institute found that only 250 malicious documents can create a "backdoor" vulnerability in large language models, regardless of the model's size or the volume of training data. This challenges the assumption that attackers need a significant percentage of training data to execute data-poisoning attacks, suggesting instead that a small, fixed amount can suffice. The study specifically focused on a narrow type of backdoor that produces gibberish, considered low-risk

Published: 2025-10-09 | Origin: Hacker News

In a recent discussion at the Intel Tech Tour 2025 in Phoenix, Arizona, Stephen Robinson, the Lead Architect for x86 Cores at Intel, shared insights on the company's upcoming Panther Lake and Clearwater Forest CPUs. In the conversation, he highlighted the significant developments from the previous Crestmont architecture to the new Skymont architecture. Key improvements include enhancing the out-of-order execution depth by approximately 50%, increasing load ports from two to three, and doubling vector hardware from two FMAs to four

Published: 2025-10-09 | Origin: Hacker News

The content discusses the process of creating a one-handed chorded keyboard (referred to as a keyer) and emphasizes the importance of user feedback. It mentions a troubleshooting note about errors loading the page and points out resources such as documentation for qualifiers. The keyer project involves building a structural framework using copper wire to hold key switches, contrasting traditional devices that use external casings. Detailed initial steps for constructing the keyer include forming a metal scaffolding, creating a ground loop with wire, and solder

Published: 2025-10-09 | Origin: /r/programming

Copper-Engine is an open-source 3D game engine developed by Kris Hass, focusing on solid performance and user satisfaction. Its current capabilities include creating simple games through a C# scripting engine, a robust 3D renderer, and an entity component system (ECS), all supported by a professional-level editor, Copper-Editor. The first public release, version 0.3 (codename Themélio), outlines the engine's state, future plans, and community-building efforts. Key features

Published: 2025-10-09 | Origin: /r/programming

Rainer passed away on October 6, 2025, due to pneumonia, choosing to forgo life-sustaining measures. Despite his battle with ALS, he remained energetic and dedicated to his goals: sharing his C++ expertise through his blog and mentoring program, and raising awareness and funds for ALS research. He recently participated in a charity run that raised over €6,000 for ALS, and he actively supported donations through his books. Rainer’s initiative, Cippi, continues to attend

Published: 2025-10-09 | Origin: /r/programming

Daniel Lemire’s blog post discusses the necessity of SIMD (Single Instruction, Multiple Data) instructions, providing a brief history of CPU architecture and SIMD's development in the x86 platform. The term SIMD was introduced in 1966 as part of Flynn's Taxonomy, which categorizes computer architectures. Early discussions on parallelism stemmed from Gene Amdahl's 1968 letter, which highlighted the limitations on overall program speedup due to non-parallelizable serial parts, encapsulated in “

Published: 2025-10-09 | Origin: /r/programming

The author discusses insights gained from Steve Downey's talk at CppCon 2025 about the new range API for `std::optional`, specifically `std::optional<T&>`. Initially skeptical, the author explores the unexpected utility of iterating over an `optional`, which allows for loops that execute either zero or one time. They compare this to traditional pointer semantics but highlight the range-based approach's benefits, particularly in simplifying code by avoiding manual null checks. The author cites an example from proposal