Published: 2026-01-21 | Origin: /r/programming

The content discusses a significant project at Yellowbrick focused on developing a new observability stack for their OLAP data warehouse product, which transitioned from a custom appliance to a cloud version. The previous log-driven observability was inadequate for diagnosing performance issues in the cloud environment, leading to the need for enhanced metrics and visualization. To address these challenges, the team decided to implement Prometheus for metric collection and Grafana for visualization. The data warehouse comprises three components (query planner, compiler, resource manager, execution

Published: 2026-01-21 | Origin: Hacker News

The Bound Book Format (BBF) is a high-performance binary container designed for digital comics and manga, optimized for DirectStorage and memory mapping (mmap). Unlike traditional formats like CBR/CBZ, BBF allows for quick, random access to any page without scanning the entire file, thanks to its footer-indexed structure. It employs Memory Mapping to enhance speed by allowing direct access to data without intermediate buffers, leveraging NVMe drive speeds. BBF has rapid integrity verification through Parallel XXH

Published: 2026-01-21 | Origin: Hacker News

The content promotes the book "Practical Doomsday," which offers a comprehensive guide to rational emergency preparedness, emphasizing financial planning and other critical topics. It contrasts the stereotypical view of the prepper culture, often perceived as extreme and unrealistic, with the reality of frequent natural disasters and social upheavals that can impact people's lives. The author argues that while such risks may seem distant or implausible, they are worth preparing for, as relying solely on government assistance is insufficient. The message encourages

Published: 2026-01-21 | Origin: Hacker News

Anthropic values user feedback and encourages input. They have released a version of their original performance take-home challenge, allowing users to compete against Claude Opus 4.5. Participants can attempt to achieve a performance score below 1487 clock cycles, which would surpass Claude's optimal performance. Successful candidates are invited to submit their code and resumes to [email protected] for potential interview discussions. Users can check their progress by running specified Python tests.

Published: 2026-01-21 | Origin: /r/programming

The author reflects on a change in perspective regarding project management and communication within a team. Initially, they questioned their senior manager's reluctance to voice concerns about a project's viability, feeling it was a misuse of influence. Recently, however, the author found themselves in a similar position, advising a mentee about another team's project, but hesitating to voice their concerns. They conclude that being "right" and being "effective" are different; while raising concerns can be beneficial, it's often wiser to refrain

Published: 2026-01-20 | Origin: Hacker News

California has reached a significant milestone with no areas experiencing abnormal dryness for the first time in 25 years, following one of the wettest holiday seasons on record. This positive development comes after the state endured severe droughts, destructive wildfires, and record-breaking drought conditions over the past 15 years. Currently, the wildfire risk is minimal, and water supply levels in major reservoirs are stable, with 14 out of 17 at 70% capacity or higher. The last significant drought lasted over

Published: 2026-01-20 | Origin: Hacker News

The content discusses "So Long Sucker," a game theory model created by John Nash and others in 1950, which emphasizes the necessity of betrayal for success. This game serves as a benchmark for testing artificial intelligence (AI) on skills such as deception, negotiation, and trust—areas often overlooked by standard benchmarks. In the game, four players use colored chips to capture piles, with the last player remaining as the winner. AI developed personalities during play, and their win rates were inversely

Published: 2026-01-20 | Origin: /r/ruby

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Published: 2026-01-20 | Origin: /r/programming

The annual State of WebAssembly article reviews developments in 2025 and anticipates trends for 2026 in the WebAssembly (Wasm) technology sector. The focus is primarily on browser support, particularly in Chrome, Firefox, and Safari, as Edge and Opera share the same foundation as Chrome. Verification of feature support can be done through the official WebAssembly feature list. In 2025, notable progress was made in enhancing cross-browser compatibility, especially due to improvements in Safari’s Wasm support

Published: 2026-01-20 | Origin: Hacker News

Instabridge has acquired Nova Launcher and aims to ensure its ongoing stability and compatibility with modern Android. The company emphasizes that Nova will not shut down and acknowledges the importance of the community's feedback and support. While they plan to maintain Nova’s core values of speed, customization, and user control, they are also exploring sustainable business models, including potential paid tiers and ad-based options for the free version. If ads are introduced, Nova Prime will remain ad-free, and any changes will prioritize user experience.

Published: 2026-01-20 | Origin: /r/programming

Michael Larabel is the founder and principal author of Phoronix.com, established in 2004, with the aim of enhancing the Linux hardware experience. He has authored over 20,000 articles on topics such as Linux hardware support and performance. Michael is also the lead developer of several benchmarking tools including the Phoronix Test Suite. The website offers a Phoronix Premium subscription for ad-free access and other features, which also supports its operations. Contributions can be made through tips or donations.

Published: 2026-01-20 | Origin: Hacker News

The western flank of the Hoover Dam features a little-known monument known as Monument Plaza, commissioned by the US Bureau of Reclamation during the dam's construction in 1931. While the plaza is notable for its large winged bronze sculptures and flagpole, its most remarkable element is the terrazzo floor, which serves as a celestial map indicating the time of the dam's creation, linked to the Earth's 25,772-year axial precession. The author, intrigued by the connection to the Long Now

Published: 2026-01-20 | Origin: Hacker News

The content highlights a variety of educational games designed to teach programming concepts and algorithms to children. This includes: 1. **Programming Time** - A game focused on learning Python and algorithms such as hash tables and RSA. 2. **The C Pointer Game** - A game that helps kids understand computer memory, pointers, arrays, and strings. 3. **4917** - A game that teaches machine code and the workings of the CPU with memory and registers. 4. **The Unix Pipes Game -

Published: 2026-01-20 | Origin: /r/programming

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Published: 2026-01-20 | Origin: /r/programming

The article discusses unconventional optimization techniques for PostgreSQL databases, emphasizing creativity alongside traditional methods like rewriting queries or adding indexes. It illustrates a scenario where an analyst mistakenly queries for a user payment plan using an incorrect capitalization ("Pro" instead of "pro"). This simple error leads to a full table scan, despite a check constraint ensuring that such values cannot exist. The issue arises because PostgreSQL does not automatically consider constraints when generating execution plans, resulting in unnecessary table scans. By enabling the `constraint_exclusion

Published: 2026-01-20 | Origin: /r/programming

The content discusses the classification of markup languages, asserting that there are only two families of "proper arbitrary markup languages": TeX and SGML. The author emphasizes that these languages possess capabilities such as standalone nodes, user-definable nodes, nodes with attributes, and the ability to wrap plain text, which distinguishes them from other languages. Markdown and similar languages are excluded from this classification because they lack the necessary arbitrary extensibility and have intrinsic semantic meanings associated with their syntax. For example, Markdown's

Published: 2026-01-20 | Origin: /r/programming

The content discusses applications that have the most exposed files and database records. It includes information on recently scanned applications from a registry, as well as details about all scanned apps, including the number of exposed records and discovered schema names. However, it does not provide record contents or field values.

Published: 2026-01-20 | Origin: /r/programming

The content discusses the conversion of binary floating-point numbers to decimal text, which is important for computer readability. It critiques a previous assertion that such conversions could be simple only if speed was not a concern, acknowledging that fast conversion algorithms can also be straightforward. The post introduces an approach called fast unrounded scaling, which allows for quick calculations of approximations for floating-point numbers, facilitating efficient printing and parsing methods. The newly presented algorithms are claimed to outperform existing ones, such as Dragon4 and Grisu3

Published: 2026-01-20 | Origin: /r/programming

The article discusses the decline of hybrid code editors, such as VSCode and its alternatives, due to performance issues. As a response, a movement toward fast, native code editors has emerged, featuring lightweight options like Lite, Lite XL, ecode, and CudaText, which are built using compiled languages like C and C++. Among the new alternatives, Zed is notable for its Rust-based architecture but is not suitable for low-end computers. In contrast, Lapce is highlighted as a superior,

Published: 2026-01-20 | Origin: Hacker News

The content discusses the recommendation system behind the "For You" feed on platform X. It emphasizes their commitment to user feedback and provides documentation for available qualifiers. The recommendation system integrates in-network content (from followed accounts) and out-of-network content (identified through machine learning) and ranks them using a Grok-based transformer model adapted from xAI's Grok-1. This model eliminates most hand-engineered features, relying instead on understanding user engagement history to predict relevant content. The architecture consists of several