ReelControl: Reclaim Your Video Playback Control

2025-04-02
ReelControl: Reclaim Your Video Playback Control

Tired of the annoying lack of native progress bars on Instagram, YouTube Shorts, and Facebook Reels? ReelControl is here to help! This browser extension adds progress bars and playback controls to videos on these platforms, letting you easily see video length, rewind, fast-forward, and skip unwanted parts. The developer reports not only an improved viewing experience but also a significant reduction in time spent on these platforms. The project is open-source, and contributions are welcome!

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Miyawaki Method: Miracle or Misconception?

2025-07-08
Miyawaki Method: Miracle or Misconception?

This podcast episode delves into the Miyawaki method, a rapid afforestation technique that's gained global popularity for its astonishing speed and density. However, guests question its effectiveness and applicability. Some argue it oversimplifies, ignoring regional ecological differences, leading to low tree survival rates and potential ecosystem disruption. Others see it as a powerful tool to engage the public in environmentalism, acting as a gateway to deeper ecological understanding. Experts offer a comprehensive analysis from scientific and practical perspectives, weighing its potential benefits and risks.

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Website Cookie Policy Explained

2025-03-20
Website Cookie Policy Explained

This website uses cookies to optimize its website and service. Technical storage or access is necessary to enable the use of a specific service explicitly requested by the user, or solely for transmitting communication over an electronic communications network. Cookies are also used to store preferences not requested by the user, for statistical purposes (including anonymous statistics), and to create user profiles for advertising or tracking user activity across websites for similar marketing purposes.

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Misc

LVGL: A Lightweight and Versatile Embedded Graphics Library

2025-03-29
LVGL: A Lightweight and Versatile Embedded Graphics Library

LVGL is a popular open-source embedded graphics library for creating beautiful UIs for any MCU, MPU, and display type. It boasts 30+ built-in widgets, a powerful style system, web-inspired layout managers, and supports multiple languages. Requiring minimal resources (32kB RAM and 128kB Flash), LVGL simplifies UI development. The LVGL team also offers design, implementation, and consulting services to assist developers in building high-quality GUIs.

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Beyond Data Silos: Unlocking Business Insights with AI-Powered Knowledge Integration

2025-02-24
Beyond Data Silos:  Unlocking Business Insights with AI-Powered Knowledge Integration

Traditional BI is limited by structured data silos. Tools like Snowflake and Segment connected CRMs, marketing automation, etc., but ignored unstructured knowledge silos like Slack conversations and Jira tickets. LLMs and tools like Glean are breaking down knowledge silos, but data and knowledge remain distinct. This article explores combining data and knowledge silo power, using examples (analyzing H-1B visas and layoffs) to demonstrate the advantages. It introduces Hyperarc's new technology, using graph RAG to break down questions into sub-questions for data and knowledge silos, integrating answers for more comprehensive business insights.

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Google Utopia Gone Wrong: Locked Out of Paradise

2025-06-17
Google Utopia Gone Wrong: Locked Out of Paradise

A devoted Google fanboy moves into a Google-designed smart city. Initially, life is idyllic, but a seemingly arbitrary violation of terms of service results in him being locked out of his apartment and all his Google-connected devices. His attempts to regain access lead to a Kafkaesque legal battle and imprisonment. The story satirizes over-reliance on technology, loss of autonomy, and the potential dangers of unchecked corporate control over personal lives.

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Building OTP Authentication from Scratch: Unraveling HOTP and TOTP

2025-04-15
Building OTP Authentication from Scratch: Unraveling HOTP and TOTP

This post dives deep into the inner workings of One-Time Password (OTP) algorithms, HOTP and TOTP. Starting with the author's experience implementing authentication at work, it explains the security benefits of OTPs and details the HMAC-based OTP generation process, including key hashing, timestamp calculations, and final code generation. A demo app built by the author is also provided for readers to learn and test.

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Development

Rhai: A Safe and Efficient Embedded Scripting Language for Rust

2025-01-20
Rhai: A Safe and Efficient Embedded Scripting Language for Rust

Rhai is an embedded scripting language and evaluation engine for Rust, providing a safe and easy way to add scripting capabilities to any application. It targets all CPU and OS architectures supported by Rust, including WebAssembly, and features a simple, JavaScript-like syntax. Rhai boasts efficient evaluation and tight integration with native Rust functions and types, allowing seamless passing and use of Rust values. Its robust security features protect against malicious attacks such as stack overflows and runaway scripts.

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Building a Game Boy Emulator in OCaml: A Developer's Journey

2025-07-04
Building a Game Boy Emulator in OCaml: A Developer's Journey

This article chronicles the development of CAMLBOY, a Game Boy emulator written in OCaml and running in the browser. The author details the architecture, interface design using functors and GADTs for testability and reusability, instruction set implementation, performance optimization, and JavaScript compilation. The process involved extensive use of test ROMs for integration testing and exploratory programming. The author also shares insights and reflections on the OCaml ecosystem and language features, highlighting both strengths and weaknesses.

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Development

The Suburban Lawn Wars: America's Obsession with Perfect Lawns vs. Ecological Disaster

2025-03-21
The Suburban Lawn Wars: America's Obsession with Perfect Lawns vs. Ecological Disaster

The American obsession with perfect lawns is causing conflict in suburbs across the nation. This article details several families' battles with HOAs over planting native plant gardens, highlighting the clash between the cultural ideal of a manicured lawn and the environmental damage it causes. Evolving from European aristocratic traditions and popularized through government loans and suburban development, the perfect lawn has become a symbol of the American Dream. However, this devotion to a monoculture of grass leads to biodiversity loss, resource waste, and pollution. Growing numbers are questioning this tradition, advocating for more natural, eco-friendly gardening practices, but change is difficult, facing resistance from entrenched cultural norms and influenced by current political and economic factors.

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Cursor: AI Coding Assistant – Hype vs. Reality

2025-03-12
Cursor: AI Coding Assistant – Hype vs. Reality

AI coding tools like Cursor are generating mixed reactions, with some claiming to build entire SaaS applications in three days, while others deem them useless. This author, an AI skeptic, shares tips for maximizing Cursor's efficiency. Key strategies include creating a `.cursorrules` file and iteratively refining its rules to avoid excessive input; clearly specifying code locations and relevant context; using Composer (Agent) for simple changes and Chat (Ask) for complex ones; carefully reviewing and refactoring AI-generated code; and thoroughly communicating with the AI before tackling complex tasks. The author concludes that AI coding tools are useful when mentally fatigued, but caution is advised against over-reliance, acknowledging potential skill atrophy.

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Development

Virtual Pipes: A Simple and Efficient Method for Simulating Water Over Terrain

2025-02-06
Virtual Pipes: A Simple and Efficient Method for Simulating Water Over Terrain

This article introduces a simple and efficient method for simulating water flow over terrain in games – the virtual pipes method. Based on shallow water equations and using a staggered grid, this method treats water flow as columns connected by imaginary pipes. Water flow is accelerated based on water level differences, and outflow scaling prevents negative water amounts. The author details the three steps: flow acceleration, outflow scaling, and water column updating, providing code examples. This method is easy to understand, computationally efficient, and suitable for games requiring terrain modification and water simulation, such as city builders. While it has limitations such as lacking inertia and velocity diffusion, it's practical for most game scenarios.

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Development water simulation

Saying Goodbye to Pinboard: Migrating Links to My Own Site

2025-02-12
Saying Goodbye to Pinboard: Migrating Links to My Own Site

The author announces they're no longer updating their Pinboard bookmarks, instead migrating all links to their personal website. Reasons cited include Pinboard's lack of updates over the years, a poor mobile experience, and reservations about the Pinboard owner's views. While the author previously mirrored Pinboard links to their own site, this created a double maintenance burden. Therefore, they've decided to make their personal website the sole source of truth for links, leaving the Pinboard page as a historical record.

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Misc RSS feed

The Internet of Agents: Building the Future of AI Collaboration

2025-03-31
The Internet of Agents: Building the Future of AI Collaboration

Agentic AI is rapidly evolving, but the lack of shared protocols for communication, tool use, memory, and trust keeps systems siloed. To unlock their full potential, we need an open, interoperable stack – an Internet of Agents. This article explores key architectural dimensions for building this network, including standardized tool interfaces, agent-to-agent communication protocols, authentication and trust mechanisms, memory and context sharing, knowledge exchange and inference APIs, economic transaction frameworks, governance and policy compliance, and agent discovery and capability matching. The author argues that shared abstractions are crucial to avoid fragmentation and enable scalable, composable autonomous systems.

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Control WhatsApp with Claude: A WhatsApp MCP Server

2025-03-31
Control WhatsApp with Claude: A WhatsApp MCP Server

This project integrates WhatsApp with the Claude large language model (LLM). A Go bridge connects to the WhatsApp Web multi-device API, storing messages locally in a SQLite database. A Python server implements the Model Context Protocol (MCP), enabling Claude to search messages, contacts, and send messages via a set of tools. All processing is local, prioritizing user privacy.

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Development

Efficient Cloud-Native Raster Data Access: An Alternative to Rasterio/GDAL

2024-12-15
Efficient Cloud-Native Raster Data Access: An Alternative to Rasterio/GDAL

The exponential growth of Earth observation data in cloud storage necessitates efficient access and analysis of satellite imagery. This article introduces an alternative cloud-native raster data access approach to Rasterio/GDAL. Traditional GeoTIFFs are inefficient, while Cloud-Optimized GeoTIFFs (COGs) improve efficiency through tiling and multi-resolution access. However, even with COGs, tasks like time-series NDVI analysis suffer from latency. The authors leverage STAC GeoParquet, combined with pre-calculated byte ranges, to reduce HTTP requests, significantly speeding up data access. Initial tests show this approach drastically reduces time-to-first-tile for Sentinel-2 data and lowers costs. A future open-source library, "Rasteret," will implement these techniques.

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WhippyTerm: A Modern Terminal for Embedded Developers

2025-05-06

WhippyTerm is a modern terminal program designed for embedded developers. It boasts a modern UI, runs on Windows and Linux, and offers unique features like bookmarks, built-in hex dumps, plugin extensibility, and native binary protocol support. It supports serial communication (RS232, RS485, RS422, TTL UART), TCP/IP, UDP, and I2C/SPI via plugins. It also handles binary protocols in serial streams and message block protocols like UDP, including support for sending binary or ASCII data blocks.

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To Compile or Not to Compile Database Queries: A Deep Dive

2025-02-12

This article explores the trade-offs of compiling database queries. Traditional query interpreters struggle with the speed of modern NVMe SSDs, leading to significant performance bottlenecks. Compiling queries offers substantial speed improvements, especially for OLAP workloads. However, compilation time and optimization challenges create unpredictable performance cliffs. Vectorized interpreters, conversely, are easier to build, debug, and offer more consistent performance. The article contrasts this with browser JavaScript/Wasm engines, which use a tiered compilation approach (interpreter, baseline compiler, optimizing compiler) to achieve a smooth performance trade-off. The author proposes a similar approach for databases, suggesting a baseline compiler as a key component. Several implementation strategies, including 'copy-and-patch' and Wasm compilation, are explored. Ultimately, the article argues that building a baseline compiler isn't prohibitively difficult and offers perspectives on future directions.

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Development query optimization

A Static Website for Professional Communication

2025-02-13
A Static Website for Professional Communication

A new static website project, "How to Professionally Say," offers alternative phrasing for common workplace communications to promote professionalism and avoid misinterpretations. Data is sourced from Instagram content creator @loewhaley. The project is in early stages, with the author seeking community feedback to refine its content and make it more broadly applicable. The project is open-source, welcoming contributions and suggestions.

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The AI Code Review Disconnect: Author Tools vs. Reviewer Tools

2025-03-01

Many engineering teams buy AI code review tools hoping to speed up the process, but often find they're not solving the core problem: senior engineers spending too much time reviewing pull requests. While these tools excel at improving code quality *before* review, they don't fundamentally change the reviewer's experience. The author argues that most tools are author-focused, not reviewer-focused. The ideal solution involves a combination of both: author-focused tools for pre-review improvements and reviewer-focused tools to streamline the actual review process itself.

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Reforming Clinical Trials: Accelerating Drug Development and Lowering Costs

2024-12-22
Reforming Clinical Trials:  Accelerating Drug Development and Lowering Costs

A research report from the Institute for Progress (IFP) explores reform proposals for clinical trials in the US. The report highlights how lengthy and expensive clinical trials hinder medical innovation. Nine specific recommendations are proposed, including streamlining regulations, improving clinical trial databases, and adopting risk-based monitoring, aiming to accelerate new drug development and benefit more patients by increasing efficiency and reducing costs. This reflects a positive exploration of using technology (such as AI) to improve healthcare efficiency.

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The Fascinating History of Blue: From Ancient Pigments to Modern Tech

2025-09-04
The Fascinating History of Blue: From Ancient Pigments to Modern Tech

This article explores the fascinating evolution of blue throughout history, from ancient Egyptian blue to modern Prussian blue and LEDs. The author argues that blue, being a difficult color to create artificially, has long been associated with technology and the future. From ancient natural pigments to modern synthetics and the breakthrough of LED technology, blue consistently represents technological advancement and humanity's conquest of nature. Rich historical details and images showcase blue's unique place in art, technology, and culture.

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Tech color

Stats: A macOS Menu Bar System Monitor

2025-01-30
Stats: A macOS Menu Bar System Monitor

Stats is a macOS system monitoring application residing in your menu bar. It provides real-time information on CPU and GPU utilization, memory usage, disk I/O, network activity, battery level, and more. Compatible with macOS 10.15 (Catalina) and later, Stats also offers sensor data (temperature, voltage, power) and Bluetooth device monitoring. M1 Macs require manual HID sensor activation for sensor data. Intel-based Macs can display CPU frequency with Intel Power Gadget installed. To minimize power consumption, users can disable modules like Sensors and Bluetooth. Released under the MIT License, Stats welcomes contributions for translations and improvements.

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Drop Getters and Setters: Embrace Immutability and Cleaner Code

2025-02-16
Drop Getters and Setters: Embrace Immutability and Cleaner Code

This article critiques the overuse of getter and setter methods, highlighting how they lead to increased mutability in code, making it harder to maintain and reason about. The author advocates for immutability whenever possible and introduces the `with` pattern and the Builder pattern for creating immutable copies of objects when modifications are necessary. Ultimately, the article emphasizes that if mutability is unavoidable, it should be confined to the smallest possible scope, and meaningless getters and setters should be discarded, leading to cleaner, more understandable, and concurrent-friendly code.

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Notion: Your All-in-One Workspace

2025-01-01
Notion: Your All-in-One Workspace

Notion is an all-in-one workspace that combines notes, task management, wikis, and databases into a single platform. It offers flexible and powerful tools to help you organize information, manage projects, collaborate with teams, and build custom workflows. Whether for personal use or team collaboration, Notion adapts to your needs, boosting your productivity.

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Cornell University Announces Hiring Freeze

2025-03-02

Facing significant financial challenges, Cornell University has announced a hiring freeze to address potential deep cuts in federal research funding and tax legislation impacting endowment income. The freeze prioritizes positions deemed essential to the university's core mission, with all hiring subject to a rigorous review process. A central position control committee will evaluate staff positions, while faculty hiring requires consultation with deans and the provost. This measure aims to ensure the university's continued success in a more complex financial landscape, maintaining its core missions in education, research, and service.

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Linux Auto-Shutdown on Power Disconnect: A BusKill Alternative

2025-07-31
Linux Auto-Shutdown on Power Disconnect: A BusKill Alternative

This article details a simple alternative to BusKill for automatically shutting down a Linux system when the power is disconnected. By creating a udev rule that monitors the power supply status, a custom script (e.g., poweroff) is executed upon disconnection. This is a straightforward method for protecting laptops used in public areas from theft. The article also provides alternative script ideas, such as locking sessions, hibernating, or even destroying LUKS master keys, catering to various security needs.

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Development

Game Bub: An Open-Source FPGA Retro Handheld

2025-02-12
Game Bub: An Open-Source FPGA Retro Handheld

After a year and a half of development, the author proudly presents Game Bub, an open-source FPGA-based retro gaming handheld supporting Game Boy, Game Boy Color, and Game Boy Advance games. This detailed write-up chronicles the journey, from initial concept to final assembly, including hardware selection (a Xilinx XC7A100T FPGA at its core), PCB design, firmware development in Rust and Slint, and 3D-printed enclosure creation. Game Bub plays both physical cartridges and ROMs from a microSD card, and even boasts features like HDMI output, rumble, and a real-time clock. The project showcases a remarkable feat of engineering and a dedication to open-source principles.

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Hardware

GitHub Copilot Gets a Major Upgrade: Agent Mode and GA Copilot Edits

2025-02-06
GitHub Copilot Gets a Major Upgrade: Agent Mode and GA Copilot Edits

GitHub Copilot has received a significant update! The new agent mode empowers Copilot with greater autonomy, enabling it to iterate on code, identify and fix errors, and even infer and complete unspecified subtasks. Copilot Edits is now generally available, offering multi-file code editing with a smooth, conversational flow. Furthermore, GitHub teased Project Padawan, an autonomous software engineer agent that will handle GitHub issues, automatically generate and test code, and even assign reviewers. These updates aim to free developers from mundane tasks, allowing them to focus on more creative work.

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Development

Legendary Game Designer Steve Meretzky: From Hitchhiker's Guide to Leather Goddesses of Phobos

2025-02-06
Legendary Game Designer Steve Meretzky: From Hitchhiker's Guide to Leather Goddesses of Phobos

This interview features legendary game designer Steve Meretzky, known for his work on classics like The Hitchhiker's Guide to the Galaxy, A Mind Forever Voyaging, and Leather Goddesses of Phobos. The article recounts Meretzky's time at Infocom, detailing his collaboration with Douglas Adams on the Hitchhiker's Guide game, including a memorable design session in rural England. It also explores the creation of Leather Goddesses of Phobos and his evolving design philosophy, along with insights into some iconic puzzle designs.

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Game interview
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