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Deep Dive into Solid Queue: Advanced Features of a Rails Background Job Processor

2025-06-24

Deep Dive into Solid Queue: Advanced Features of a Rails Background Job Processor

Solid Queue is a robust background job processing system for Ruby on Rails, cleverly using the database—instead of external dependencies like Redis—to store and manage jobs. This article delves into Solid Queue's advanced features: job scheduling, recurring tasks, and concurrency controls. A dispatcher and scheduler handle scheduled and recurring jobs, respectively, utilizing `solid_queue_scheduled_executions` and `solid_queue_recurring_tasks` tables. Concurrency controls, implemented with Semaphore and BlockedExecution models, limit concurrent execution of specific job types, preventing resource contention. AppSignal integration is also discussed for monitoring Solid Queue's performance. Solid Queue's design prioritizes simplicity and reliability, making it a valuable addition to the Rails ecosystem.

(blog.appsignal.com)

Development

Google Unveils Gemini 2.5: A Giant Leap in AI Reasoning

2025-03-25

Google Unveils Gemini 2.5: A Giant Leap in AI Reasoning

Google has introduced Gemini 2.5, its most intelligent AI model yet. The experimental 2.5 Pro version boasts top performance across various benchmarks, achieving the #1 spot on LMArena by a considerable margin. Gemini 2.5 models are 'thinking' models, capable of reasoning through their responses, leading to enhanced accuracy and performance. This reasoning extends beyond simple classification and prediction, encompassing information analysis, logical conclusions, contextual understanding, and informed decision-making. Building on prior work with reinforcement learning and chain-of-thought prompting, Gemini 2.5 represents a significant leap forward, combining a vastly improved base model with enhanced post-training. Google plans to integrate these thinking capabilities into all future models, enabling them to tackle more complex problems and support more sophisticated agents.

(blog.google)

AI

Escape the Data Science Production Nightmare: A Pythonic Solution with Marimo and Bauplan

2025-06-20

Escape the Data Science Production Nightmare: A Pythonic Solution with Marimo and Bauplan

Getting machine learning models from prototype to production remains a significant hurdle for data scientists. Traditional approaches rely on fragile Jupyter Notebooks or expensive, time-consuming DevOps handoffs. This article introduces Marimo and Bauplan, a Pythonic tool combination that provides a seamless transition from prototype to production by keeping the entire workflow within the Python ecosystem. Marimo is a modern open-source notebook that combines the flexibility of Jupyter with the maintainability of scripts, while Bauplan is a cloud data platform supporting Pythonic workflows with built-in data versioning and declarative environments. With these tools, data scientists can directly deploy code from their notebooks to production without complex refactoring or cross-team collaboration, dramatically simplifying the production process and increasing efficiency.

(www.bauplanlabs.com)

Development

Can America Still Build Stuff? The Data Says Yes

2025-01-07

Can America Still Build Stuff? The Data Says Yes

This data-driven article refutes the claim that America has lost its ability to build large-scale projects. Using numerous charts and graphs, the author demonstrates continued growth in US construction across housing, roads, utility-scale solar plants, pipelines, and bridges. While acknowledging that regulations like environmental protection laws may cause some delays, the article argues their benefits outweigh the costs. The author contends that the focus on failed projects overshadows the numerous successful ones, suggesting that reduced large-scale construction often results from project completion rather than a decline in capacity. Examples such as high-speed rail projects illustrate this point.

(jabberwocking.com)

Tech infrastructure US economy

Find Your 2%ers: The Secret to Happiness?

2025-02-18

Find Your 2%ers: The Secret to Happiness?

The author argues that introversion and extroversion aren't about social skills, but rather where you draw your energy. Most people drain the author's energy, but a select 2% energize them—their "2%ers." Harvard research highlights the importance of high-quality relationships for happiness, making finding your "2%ers" crucial. The author suggests listing your favorite activities and your "2%ers," scheduling time together, and sharing this post with them.

(joyarbitrage.substack.com)

Misc introversion/extroversion

Reflect: A Hardware AI Assistant Built on ESP32S3

2025-08-19

Reflect: A Hardware AI Assistant Built on ESP32S3

Reflect is a hardware AI assistant built during an OpenAI hackathon. It's based on an Espressif chip and designed for natural interaction using sound, light, and color—no screen needed. Users connect via their phone; Reflect has no local state, with all information stored on the phone. Features include reflecting on yesterday's events, preparing for tomorrow, playing music while studying and answering quick questions, and location-aware behavior. Designed for easy modification and expansion, it aims for low cost and wide accessibility.

(github.com)

Hardware

Nping: A Blazing-Fast, Visual Ping Tool Built in Rust

2025-02-15

Nping: A Blazing-Fast, Visual Ping Tool Built in Rust

Nping, a powerful Ping tool written in Rust, offers concurrent pinging for multiple addresses with real-time data visualization and a user-friendly interface. It displays key metrics like maximum, minimum, and average latency, packet loss rate, and supports both IPv4 and IPv6. Nping also features a host subcommand to show IP address details for domain names, and allows customization of ping count and interval. Its intuitive design makes it a valuable asset for network administrators and developers alike.

(github.com)

Development network tool

Solving Wordle with uv and Python Packages

2025-07-07

The author previously wrote a Sudoku solver using Poetry's dependency resolver and now attempts to solve Wordle using the more advanced uv. The article details how to translate the Wordle problem into a Python package dependency problem, cleverly using uv's dependency resolver to find the solution. By creating a series of packages representing letter positions and feedback, and setting dependencies between them, the author successfully solves Wordle using uv.

(mildbyte.xyz)

Development

Sea Stars: Ancient Ocean Wonders

2025-08-09

Sea Stars: Ancient Ocean Wonders

Sea stars, existing a quarter-billion years before dinosaurs, thrive in every ocean, from shallow sands to the deepest trenches. Lacking fins and gills, they've evolved diverse defenses: armor, spines, neurotoxins, and remarkable regeneration – some can regrow an entire body from a single arm! Throughout history, they've captivated cultures, from Aztec altars to modern cartoons. Today, approximately 2,000 species exhibit stunning variety in shape and color, ranging from tiny to enormous, showcasing the incredible diversity of the natural world.

(www.biographic.com)

Misc Sea Stars Marine Life

Type-Safe PubSub and Registry for Gleam Actors

2025-08-23

Type-Safe PubSub and Registry for Gleam Actors

Glyn is a library providing a type-safe PubSub and registry for Gleam actors, with support for distributed clustering. Built on the Erlang syn library, it offers two complementary actor communication systems: PubSub for broadcasting events and a registry for direct command routing. Glyn seamlessly integrates with Gleam's actor model using selector composition patterns. Explicit decoders are required for type safety when sending messages between nodes in a cluster. The code examples demonstrate defining message types, creating decoders, and using PubSub and the registry for actor communication. Multi-channel actor integration is also showcased, enabling more complex communication scenarios.

(github.com)

Development

China's CO2 Emissions Fall in First Half of 2025, But Challenges Remain

2025-08-23

China's CO2 Emissions Fall in First Half of 2025, But Challenges Remain

China's carbon dioxide emissions fell by 1% year-on-year in the first half of 2025, driven by strong growth in clean energy, extending a decline that began in March 2024. The power sector, a major emissions source, saw a 3% drop in CO2 output, with solar power growth offsetting increased electricity demand. However, rapid expansion in the coal-to-chemicals industry added to emissions, posing a challenge to China's carbon peaking goals. Despite the emissions decrease, China is likely to miss several climate targets, highlighting the need for more ambitious goals in its upcoming Nationally Determined Contribution and 15th Five-Year Plan.

(www.carbonbrief.org)

Tech climate targets

B Compiler in Crust: A Work in Progress

2025-06-21

B Compiler in Crust: A Work in Progress

A B programming language compiler, written in Rust with fasm as the backend, is now available! The project includes a testing utility, btest, which builds and runs tests from the ./tests/ directory, generating a matrix report across supported targets. btest allows specifying targets (-t) and individual test cases (-c), facilitating targeted testing. While still under development, the compiler successfully compiles and runs basic examples like hello_world.b.

(github.com)

Development B Language

arXivLabs: Experimenting with Community Collaboration

2025-06-30

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved share arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these principles and only partners with those who adhere to them. Have an idea to improve the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Chinlone: Myanmar's Enduring National Game Fights for Survival Amidst Conflict

2025-06-05

Chinlone: Myanmar's Enduring National Game Fights for Survival Amidst Conflict

Chinlone, Myanmar's national sport, a centuries-old tradition blending sport and art, faces an uncertain future. The game, involving intricate footwork and head maneuvers, has seen participation decline due to the COVID-19 pandemic, the 2021 military coup, and subsequent civil unrest. The scarcity of premium rattan, essential for crafting the chinlone balls, further exacerbates the challenges. Despite the hardships, players and artisans persevere, continuing to practice and create the balls, determined to preserve this unique cultural heritage.

(www.aljazeera.com)

Misc Myanmar culture traditional sport chinlone

Zipf's Law in Whale Song: A Striking Similarity in Cultural Learning

2025-02-07

Zipf's Law in Whale Song: A Striking Similarity in Cultural Learning

New research reveals that humpback whale songs exhibit the same Zipfian distribution found in human languages—the most frequent word is twice as frequent as the second, and so on. Researchers analyzed eight years of whale song recordings, using techniques inspired by how human infants learn language, to uncover this pattern. This suggests both human language and whale song possess statistically coherent parts, following Zipf's law, likely because cultural learning makes learning easier and promotes the emergence of these properties. However, this doesn't mean we can talk to whales; the meaning of whale song remains unknown. Future research will explore other species, such as songbirds, to test whether cultural learning is the common driver of this phenomenon.

(theconversation.com)

Tech Zipf's Law Whale Song Cultural Learning

Transparency Paradox: How Openness Can Backfire and Reduce Public Trust in Science

2025-08-03

Transparency Paradox: How Openness Can Backfire and Reduce Public Trust in Science

A study reveals the 'transparency paradox': while transparency in science fosters trust, revealing bad news (like conflicts of interest or failed experiments) can decrease it. The root cause, argues the researcher, is the public's overly idealized view of science. The solution isn't hiding bad news, but improving science education and communication to present a more realistic picture—science isn't perfect, and scientists make mistakes. This fosters more realistic expectations and ultimately, increased trust.

(phys.org)

Tech public trust transparency paradox

Hacker News' Silent Upgrade: Goodbye Pagination, Hello Performance Boost

2025-05-26

Hacker News' Silent Upgrade: Goodbye Pagination, Hello Performance Boost

Hacker News recently underwent a significant technical upgrade, abandoning its long-standing pagination system for improved performance. This change stems from a new compiler called Clarc, which compiles Hacker News' Arc Lisp code into Common Lisp, enabling multi-core operation and a significant performance boost. Clarc's development spanned several years, its core being a staged approach to building Arc, ultimately resulting in a smooth transition from Racket to SBCL. While Clarc's code hasn't been publicly released due to anti-abuse measures it contains, the upgrade nevertheless signifies a notable advancement in Hacker News' technical capabilities.

(lisp-journey.gitlab.io)

Tech Technical Upgrade

Okta Security Incident: Exploiting Bcrypt's Length Limitation

2025-02-05

Okta Security Incident: Exploiting Bcrypt's Length Limitation

The Okta security incident stemmed from how its Bcrypt implementation handled input length. Bcrypt's 72-character limit caused truncation, allowing authentication with only partial usernames and cached keys. The article analyzes Bcrypt libraries in Go, Java, JavaScript, Python, and Rust, revealing many lack input length validation, creating security risks. The author advocates for improved API design, explicitly rejecting invalid input to prevent such vulnerabilities.

(n0rdy.foo)

Development API design

Iberian Blackout: Was It Renewables' Fault?

2025-06-17

Iberian Blackout: Was It Renewables' Fault?

A massive blackout hit Spain and Portugal in April 2024, affecting nearly 60 million people. While official investigations are ongoing, academics suggest several potential causes, including power plants sending excessively high voltage (overvoltages) to the transmission grid, and uneven reactive power distribution due to the distributed generation model of renewable energy (solar and wind). Traditional power plants provide inertia, stabilizing grid frequency, a characteristic lacking in renewables. The overvoltage issue highlights reactive power management, requiring adjustments to grid management rules to incentivize renewable energy plants to participate in reactive power balancing. Spain and Portugal's low interconnection capacity with neighboring countries also contributed to the blackout's widespread impact and duration. Future improvements in grid management rules, increased interconnection capacity, added energy storage, and AI-assisted grid operation are vital to prevent similar events.

(spectrum.ieee.org)

Tech reactive power

Beyond Turing Tests: Behavioral Biometrics for Robust Bot Detection

2025-06-25

Traditional CAPTCHAs like reCAPTCHA v3 have proven ineffective against AI agents operating within real browser environments. This paper introduces a novel bot detection approach leveraging behavioral biometrics, analyzing patterns in keystroke dynamics, mouse movements, and cognitive behaviors to distinguish humans from bots. The research demonstrates that human behavior exhibits unique irregularities difficult for AI to replicate, while bots show predictable patterns. Interactive demos and cognitive psychology experiments (like the Stroop effect) illustrate the method's effectiveness and robustness, highlighting the economic challenges for bots to comprehensively mimic human cognitive processes. This offers a privacy-preserving alternative for cybersecurity, shifting the challenge to replicating the full spectrum of natural human cognition.

(research.roundtable.ai)

Tech behavioral biometrics

Giant Wind Turbine Blades: Airlifting the Future of Clean Energy

2025-09-15

Giant Wind Turbine Blades: Airlifting the Future of Clean Energy

The ever-growing demand for clean energy has led to the development of larger wind turbines, but transporting their massive blades has become a major hurdle. Radia, a Boulder, Colorado-based company, has a bold solution: building the world's largest airplane, WindRunner, dedicated to airlifting these gigantic components. Scheduled for delivery by 2030, WindRunner will boast a wingspan exceeding a football field's length, dwarfing a 747's cargo capacity by a factor of 12. Capable of carrying blades up to 105 meters long, it will land on makeshift runways near wind farms. This innovative approach aims to overcome infrastructural limitations, reduce the cost of large-scale wind energy, and significantly boost efficiency. While carbon emissions pose a challenge, Radia believes the increased clean energy generation will far outweigh its environmental footprint.

(spectrum.ieee.org)

Tech air transportation

Lexy: A C++ Parser Library Rivaling PEG Parsers

2025-09-14

Lexy: A C++ Parser Library Rivaling PEG Parsers

Lexy is a high-performance C++ parser library that strikes a balance between performance and control. Compared to other PEG parsers like Boost.Spirit and PEGTL, Lexy avoids implicit backtracking by controlling branch conditions, improving performance and simplifying error handling. Lexy supports advanced features like error recovery, operator precedence parsing, and allows zero-copy parsing directly into your own data structures. While Lexy's grammar is more verbose than Boost.Spirit's, it's better suited for larger grammars. Compilation times are reasonable, and modular design helps optimize build speed.

(github.com)

Development

Rollstack: Automating Data Reporting with AI

2025-05-09

Rollstack: Automating Data Reporting with AI

Rollstack, a Y Combinator-backed startup, is revolutionizing data reporting automation. They connect BI tools (like Tableau, Looker) with content platforms (like Google Slides), using AI-powered automation (OpenAI, Gemini, etc.) to solve the 'last-mile' problem of data presentation. Serving clients like SoFi and 1Password, Rollstack offers a remote-friendly workplace and competitive compensation. They're currently hiring experienced software engineers proficient in TypeScript, React, Node.js, and Prisma.

(www.ycombinator.com)

Development Data Reporting Automation Modern Data Stack

Tilck: A Minimalist, Educational Kernel with Linux Compatibility

2025-07-16

Tilck: A Minimalist, Educational Kernel with Linux Compatibility

Tilck is an educational monolithic kernel designed for binary-level Linux compatibility, currently running on i686 and RISCV64. Its small, simple design makes it ideal for learning kernel programming, allowing comparison of user-mode code execution between Linux and Tilck. Tilck doesn't require custom applications; it runs mainstream Linux programs like the BusyBox suite. Future applications may include embedded systems demanding determinism and ultra-low latency, bridging the gap between Embedded Linux and real-time OSes like FreeRTOS or Zephyr.

(github.com)

Development

Crypto Utopia: Experimenting with Network States in Malaysia's Forest City

2025-09-01

Crypto Utopia: Experimenting with Network States in Malaysia's Forest City

In a repurposed hotel on a reclaimed island in Malaysia, crypto and tech entrepreneurs are conducting a real-life experiment: building new sovereign states from scratch. Network School, the brainchild of former Coinbase executive Balaji Srinivasan, attracts nearly 400 students learning coding, decentralized governance, and building crypto projects. The curriculum blends practical skills with ideological exploration, combining coding sprints with seminars on topics like the Meiji Restoration and Singapore's statecraft. Srinivasan's vision is to create "startup societies" defined by shared beliefs, not territory, and he sees the world as ripe for his brand of nation-state disruption, using Forest City as a testing ground for global rollout. Despite challenges, the project injects energy into Forest City, offering a unique case study in exploring future models of societal governance.

(www.latimes.com)

Startup network state startup society

Mastodon Jaw Unearthed in New York Backyard

2024-12-22

Mastodon Jaw Unearthed in New York Backyard

A New York man's gardening project took an unexpected turn when he discovered what he initially thought were baseballs, but turned out to be giant teeth. These teeth, unearthed in his upstate New York backyard, were identified as belonging to a mastodon. Subsequent excavation by the New York State Museum and SUNY Orange revealed a complete, well-preserved adult mastodon jaw, a toe bone, and a rib fragment. This is the first complete mastodon jaw found in New York in 11 years, offering invaluable insights into the Ice Age ecosystem. The fossils will be carbon-dated and analyzed, with plans to put them on public display in 2025.

(apnews.com)

Misc mastodon fossil

Goldman Sachs CIO: Managing AI Employees Will Be the Challenge of 2025

2025-01-22

Goldman Sachs CIO: Managing AI Employees Will Be the Challenge of 2025

Goldman Sachs CIO Marco Argenti predicts that managing AI employees will be a major challenge in 2025. AI models will mature to handle complex tasks, leading to hybrid human-AI teams. This will require corporate HR to manage both human and machine resources, potentially including AI 'layoffs'. Argenti also forecasts that top AI models will be akin to PhD graduates with specialized industry knowledge, thanks to advancements in retrieval-augmented generation and fine-tuning. Furthermore, the convergence of AI and robotics will enable AI to better understand and interact with the physical world.

(www.zdnet.com)

AI AI employee management AI trends Goldman Sachs prediction

OpenAI Battles NYT Over 120 Million ChatGPT Logs in Copyright Dispute

2025-08-06

OpenAI Battles NYT Over 120 Million ChatGPT Logs in Copyright Dispute

OpenAI is embroiled in a legal battle with the New York Times and other news organizations over copyright infringement. The news organizations demand access to 120 million ChatGPT user conversation logs to prove unauthorized use of their content. OpenAI argues this request is excessive, violating user privacy and delaying the case. Microsoft, a co-defendant, is also involved, with its internal ChatGPT equivalent potentially adding fuel to the fire. The core issue revolves around balancing copyright protection with user privacy and defining fair use in the context of AI models.

(arstechnica.com)

Tech

ASCII Lookup Utility in Ada: A Comprehensive Walkthrough

2025-04-15

This article details the creation of a command-line ASCII lookup utility written in Ada. The utility prints the full ASCII table or, given a hexadecimal, binary, octal, or decimal input, provides the code and name of the corresponding ASCII character. The author meticulously guides the reader through the development process, covering environment setup, code implementation, and error handling. A GitHub link to the complete source code is provided. This article is suitable for readers with some programming experience and offers valuable insights into Ada programming and command-line tool development.

(coniferproductions.com)

Development

Order-Independent Keyword Arguments in C++26 using Reflection

2025-02-11

This blog post explores implementing order-independent keyword arguments for C++ using C++26's proposed reflection features. The author stumbled upon this technique while experimenting with reflection and shares it as a compelling demonstration of the power of these features. The post contrasts this approach with prior, less elegant solutions, including designated initializers and helper objects. The core of the post details how to leverage reflection to achieve order-independent and optional keyword arguments, providing complete code examples and explanations. This includes handling lambda expression captures and extending the fmt library for enhanced formatting capabilities.

(pydong.org)

Development Keyword Arguments

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