Published: 2025-12-29 | Origin: Hacker News

The article describes the troubling state of global conflicts in 2025, highlighting the potential for escalation into a world war, particularly due to the ongoing war in Ukraine, as remarked by President Volodymyr Zelensky. The author, a seasoned war correspondent, expresses concern over Russia's aggressive actions, including threats to undersea communication cables and cyberattacks on Western nations, as well as state-sponsored violence against dissidents. This year has seen significant conflicts, notably the war in Ukraine, which has

Published: 2025-12-29 | Origin: Hacker News

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Published: 2025-12-29 | Origin: Hacker News

The content discusses the advantages of using custom HTML tags with descriptive names instead of generic tags like `<div>` or `<span>`. It highlights that browsers treat unrecognized tags as generic elements, which is a standardized behavior. Including hyphens in tag names ensures they won't conflict with future HTML versions. Using meaningful tags enhances readability and simplifies manipulation of the document structure compared to relying solely on class names.

Published: 2025-12-28 | Origin: /r/programming

The author reflects on the complexities of software testing, noting that while testing is effective at identifying bugs, it is inadequate for proving their absence, as expressed by Edsger W. Dijkstra. With nearly two decades of experience in software development, the author aims to clarify their thoughts on testing methodologies, acknowledging that opinions on the subject can be polarizing and dogmatic. The author observes the common scenario of a codebase that, over time, accumulates a large test suite that can create an

Published: 2025-12-28 | Origin: Hacker News

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Published: 2025-12-28 | Origin: Hacker News

The author describes the process of capturing and processing a Christmas tree image with a camera sensor. Initially, the image appears gray due to limited sensor data range, so they adjust the values to enhance contrast. However, the image remains monochromatic, as camera sensors detect light intensity rather than color. Color filters on the sensor provide color, but each pixel only receives one-third of the RGB value. To improve this, the author averages pixel values with neighboring pixels, adding some color. Despite these adjustments,

Published: 2025-12-28 | Origin: Hacker News

Yale School of Medicine scientists have identified a significant molecular difference in the brains of individuals with autism compared to neurotypical individuals. Their study, published in The American Journal of Psychiatry, reveals that autistic brains have fewer receptors for glutamate, the brain's primary excitatory neurotransmitter. This reduction in receptors may be linked to various behavioral traits associated with autism, such as difficulties in social interaction and repetitive behaviors. James McPartland, co-principal investigator and Harris Professor of Child Psychiatry and Psychology,

Published: 2025-12-28 | Origin: /r/programming

The content discusses Spooled, a high-performance job queue and worker coordination service built with Rust, capable of handling over 10,000 jobs per second using PostgreSQL and Redis. It features multi-tenant isolation, REST and gRPC APIs, production monitoring, and sensible pricing plans (Free, Starter, Pro, Enterprise) that can be customized via environment variables. The service ensures reliability and scalability while enforcing tier-based limits to prevent abuse. It includes a demo, documentation, and notes on configuration for

Published: 2025-12-28 | Origin: /r/programming

The author expresses their commitment to reviewing and valuing user feedback, emphasizing the importance of input. They announce that in March 2026, they will have been the maintainer of Mockito for a decade and plan to pass on maintainership, ensuring a smooth transition. The author highlights recent changes in Mockito 5, particularly the move to a main artifact as an agent due to JVM 22's updated dynamic attachment of agents, which is framed as a necessary security measure. However, they voice concerns about

Published: 2025-12-28 | Origin: Hacker News

The author discusses the performance issues related to executing C# code within Unity's Mono runtime, noting that it is significantly slower than modern .NET implementations. Their game demonstrates performance improvements of 2-3 times faster on modern .NET, with some benchmarks showing speedups of up to 15 times. The article highlights the history of Unity's reliance on the Mono framework, which was a viable multi-platform option when it was adopted in 2006. However, since Microsoft's open-sourcing of .NET

Published: 2025-12-28 | Origin: Hacker News

The author discusses the perception that they are a cynic for suggesting that engineers should prioritize making their managers happy and recognize that large tech companies control project assignments. Alex Wennerberg's post critiques this stance, arguing that it reduces engineers to mere tools in organizational politics and neglects their role as professionals solving meaningful problems. The author acknowledges that while following managerial directives can help one navigate bureaucracy, it may not lead to producing high-quality work. Despite the cynicism, the author expresses a genuine enjoyment of working

Published: 2025-12-28 | Origin: /r/programming

MongoBleed, designated as CVE-2025-14847, is a severe vulnerability found in MongoDB that affects nearly all versions since 2017. This vulnerability exists within the zlib1 message compression path, allowing attackers to read uninitialized heap memory. The flaw, introduced in 2017, can be exploited easily, requiring only connectivity to the database and no authentication. MongoDB uses a proprietary TCP wire protocol and BSON format for messages, utilizing a command called OP_MSG, which

Published: 2025-12-28 | Origin: /r/programming

The author is developing a toy parser during their Christmas break, influenced by the Resilient LL Parsing Tutorial. They prefer this approach as it allows for creating a syntax tree and diagnostics rather than stopping at the first parsing error. However, a significant challenge is the risk of infinite loops or recursion, especially when the parser fails to consume tokens. They illustrate this problem with an example involving function argument parsing, emphasizing the danger of a non-consuming expression causing endless loops. To address this, they employ two techniques

Published: 2025-12-28 | Origin: /r/programming

The author is exploring the `find` utility in Unix, which navigates file system hierarchies using a specialized expression language with unary and binary operators. To enhance performance, the author developed a bytecode compiling technique that prepares operations beforehand and reduces workload for each file. Contrary to the author's method, most existing implementations of `find` utilize tree-walk interpreters. The article outlines how the author's compiler functions, providing an example and discussing potential improvements. The syntax requires at least one path, default

Published: 2025-12-28 | Origin: /r/programming

A customer inquired about throwing a C++ exception from a structured exception without using the /EHa compiler switch, which allows for catching both structured and C++ exceptions but impacts optimization and increases code size. They planned to install an unhandled exception filter to convert structured exceptions into C++ exceptions, bypassing the drawbacks of /EHa. However, they encountered issues where the C++ exception was only caught when a `printf` function was present. The reason is that the compiler assumes `printf`

Published: 2025-12-28 | Origin: /r/programming

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Published: 2025-12-28 | Origin: /r/programming

The author discusses the performance implications of using Pydantic's BaseModel, highlighting that while it enhances developer experience, it comes with a performance overhead of 10-50 microseconds per model, which can exceed 100 microseconds with complex validation. The article categorizes scenarios for using Pydantic into three zones: a "Safe Zone" where it’s appropriate, a "Grey Zone" where caution is advised, and a "Danger Zone" where alternatives should be considered. If performance issues arise

Published: 2025-12-28 | Origin: /r/ruby

Shoryuken, a Ruby SQS library, has a new maintainer after a decade under Pablo Cantero. The upcoming release, v7.0.0.rc1, modernizes the codebase and features improvements for Rails 8.1 and beyond, along with reduced dependencies and infrastructure updates. Users on older Ruby/Rails versions should stick to Shoryuken 6.x. The new maintainer plans to develop a Sidekiq-style dashboard for real-time queue monitoring, followed by performance

Published: 2025-12-28 | Origin: /r/programming

In a recent article, Shubham Raizada reflects on the original Kafka white paper from 2010, highlighting the key differences between Kafka and other messaging solutions of the time, particularly in terms of throughput versus complexity. Unlike IBM WebSphere MQ, which offered complex transactional support, Kafka prioritized performance by avoiding application-level message caching and relying instead on the operating system's file system page cache. This design choice reduces garbage collection overhead and keeps the cache warm during broker restarts. Additionally, Kafka improves data

Published: 2025-12-28 | Origin: Hacker News

This content promotes a printable one-page calendar for the year 2026, suggesting users adjust their print settings for optimal results. It encourages users to fold and carry the calendar for easy note-taking and planning while also promoting kindness. The calendar is created by Neatnik.