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Landrun: A Lightweight, Kernel-Level Secure Sandbox for Linux

2025-04-05

Landrun: A Lightweight, Kernel-Level Secure Sandbox for Linux

Landrun is a lightweight and secure sandbox for running Linux processes, leveraging the kernel-native Landlock security module. It offers fine-grained control over filesystem and network access without requiring root privileges, containers, or complex SELinux/AppArmor configurations. Landrun provides read, write, and execute permissions for files and directories, along with TCP network access control. It's highly configurable and supports Linux kernels 5.13+ (network restrictions require 6.7+). With clear examples and systemd integration, Landrun makes it easy to securely run commands and services with enhanced security.

(github.com)

Development

Retired Broadcast Engineer's Dream Mini Rack: A Solution for 40+ Remote Tower Sites

2025-04-05

Retired Broadcast Engineer's Dream Mini Rack: A Solution for 40+ Remote Tower Sites

A retired broadcast engineer built a robust system for managing 40+ remote tower sites using a DeskPi RackMate T1 mini rack. This system integrates redundant internet connectivity, multiple audio source processing, silence monitoring, an exciter, and remote monitoring capabilities. The standardized setup allows for easier maintenance and deployment by volunteers. Improvements suggested include a larger rack, PoE power, and standardized mini-rack mounting options for better efficiency and convenience.

(github.com)

Hardware Mini Rack

SpacetimeDB: Multiplayer at the Speed of Light

2025-04-05

SpacetimeDB: Multiplayer at the Speed of Light

SpacetimeDB revolutionizes game development by merging database and server functionality. Developers upload application logic directly into the database as modules, eliminating the overhead of traditional client-server architectures. Clients connect directly to the database, executing logic within it for unparalleled speed and low latency. BitCraft Online's backend is built entirely on SpacetimeDB, processing and synchronizing all game data in real-time. SpacetimeDB uses in-memory storage and a write-ahead log for persistence, optimized for real-time applications. Installation is straightforward, and modules can be written in various programming languages.

(github.com)

Development

Neovim pytest Integration: pytest.nvim Simplifies Testing

2025-04-05

Neovim pytest Integration: pytest.nvim Simplifies Testing

pytest.nvim is a Neovim plugin integrating the pytest testing framework. It boasts Docker support, letting you run tests within containers. The plugin offers streamlined commands and keybindings for running, attaching, and detaching tests, along with customizable settings including Docker configuration and keymaps. Installation and setup are easy regardless of your plugin manager (Lazyvim, Packer, or Vim-Plug).

(github.com)

Development

Revolutionary OCR System: Powering AI Education Datasets

2025-04-05

Revolutionary OCR System: Powering AI Education Datasets

A groundbreaking OCR system optimized for machine learning extracts structured data from complex educational materials like exam papers. Supporting multilingual text, mathematical formulas, tables, diagrams, and charts, it's ideal for creating high-quality training datasets. The system semantically annotates extracted elements and automatically generates natural language descriptions, such as descriptive text for diagrams. Supporting Japanese, Korean, and English with easy customization for additional languages, it outputs AI-ready JSON or Markdown, including human-readable descriptions of mathematical expressions, table summaries, and figure captions. Achieving over 90-95% accuracy on real-world academic datasets, it handles complex layouts with dense scientific content and rich visuals.

(github.com)

AI

Sparks: A Typeface for Creating Sparklines in Text

2025-04-05

Sparks: A Typeface for Creating Sparklines in Text

After the Flood, a design consultancy, has released Sparks, a new typeface that leverages OpenType's contextual alternates feature to generate sparklines directly within text. By inserting data points in a specific format between numbers (e.g., `123{30,60,90}456`), users can create sparklines. Sparks is compatible with various browsers and software, offering bar, dot, and dot-line styles with five weight variations. While the underlying mechanism is complex, it offers a novel and convenient method for data visualization.

(github.com)

Design

Ferron: A Blazing Fast, Memory-Safe Web Server in Rust

2025-04-05

Ferron: A Blazing Fast, Memory-Safe Web Server in Rust

Ferron is a high-performance, memory-safe web server written in Rust. Leveraging Rust's async capabilities, it boasts impressive speed while ensuring memory safety. Its modular architecture allows for easy customization and extension. Security and safe concurrency are key design principles. While still under development, you can already clone the repository, build, and run it using Cargo. Ferron Forge simplifies building, and comprehensive documentation and contribution guidelines are available.

(github.com)

Development

uWrap: A Blazing-Fast Text Wrapping Utility (<2KB)

2025-04-04

uWrap: A Blazing-Fast Text Wrapping Utility (<2KB)

uWrap is a 10x faster and more accurate text wrapping utility under 2KB (minified), MIT licensed. Designed for efficient row height prediction in list and grid virtualization, optimizing UI performance for large scrollable datasets. It cleverly overcomes Canvas2D's lack of text wrapping APIs and the performance limitations of measureText(). Benchmarks show it significantly outperforms canvas-hypertxt in both speed and accuracy. Currently supports Latin character sets, with more features planned.

(github.com)

Development text wrapping

Setting Up Your Gumroad Development Environment

2025-04-04

Setting Up Your Gumroad Development Environment

This guide walks you through setting up a local development environment for Gumroad. You'll need Docker, Docker Compose, MySQL 8.0.x, imagemagick, libvips, ffmpeg, pdftk, and Bundler. Node.js and npm are also required. Configure Sidekiq Pro and environment variables as needed. Generate SSL certificates and start Docker services and the Rails server using `make local`. Remember to reset Elasticsearch indices and start the push notification service.

(github.com)

Development

Bash INI Parser: A Robust Shell Script Library

2025-04-04

Bash INI Parser: A Robust Shell Script Library

A powerful Bash shell script library, `lib_ini.sh`, provides a comprehensive set of functions for parsing and manipulating INI configuration files. It supports reading, writing, adding, updating, and removing sections and keys, handling complex values, arrays, and environment variables. The library also features robust error handling, a debug mode, and configurability. An interactive online demo allows for easy testing.

(github.com)

Development Configuration Files

Simple Denoising Diffusion: A PyTorch Implementation

2025-04-03

Simple Denoising Diffusion: A PyTorch Implementation

This repository provides a streamlined PyTorch implementation of a denoising diffusion model. Building upon existing resources, the author refactored the code for improved readability and understanding. Functions and classes are logically separated into different files, making it easier to grasp the building blocks of diffusion models. Training and image generation are handled in separate files for easier parameter management. While the generated images aren't perfect, this project serves as a valuable learning resource for understanding diffusion models.

(github.com)

Development

Topological Sort Algorithm Variant: Efficiently Handling Dependencies

2025-04-03

Topological Sort Algorithm Variant: Efficiently Handling Dependencies

This article presents an improved topological sorting algorithm based on Kahn's algorithm, but it treats nodes as sets instead of individual nodes. The algorithm iteratively finds the root sets of the graph, removes them, and repeats until the graph is empty. The order of the removed root sets forms a topological order, and nodes within the same root set are independent and can be processed in parallel. The algorithm can also detect cycles and return a partial topological ordering instead of completely aborting.

(github.com)

Development topological sort graph algorithm

Hatchet: A Robust Background Task Platform Built on Postgres

2025-04-03

Hatchet: A Robust Background Task Platform Built on Postgres

Hatchet simplifies background task management by leveraging Postgres. Forget complex queues and pub/sub systems; Hatchet lets you distribute functions across workers with minimal configuration. It boasts features like complex workflow chaining (DAGs), failure alerting, durable tasks, and a real-time web dashboard. Robust flow control, including concurrency and rate limiting, ensures application stability. Hatchet supports Python, Typescript, and Go, and offers cloud and self-hosted options.

(github.com)

Development background tasks

C3: A Refined Evolution of the C Programming Language

2025-04-03

C3: A Refined Evolution of the C Programming Language

C3 is a programming language built upon the syntax and semantics of C, aiming to evolve it while maintaining familiarity for C programmers. It's an evolution, not a revolution: C-like for those who like C. Full ABI compatibility with C allows seamless mixing of C and C3 code. C3 introduces modern conveniences such as generics, result-based zero-overhead error handling, and defer statements, while avoiding unnecessary complexity. Version 0.7.0 is stable and supports various operating systems with pre-compiled binaries and comprehensive documentation available.

(github.com)

Development

Benchi: A Lightweight Docker-based Benchmarking Framework

2025-04-03

Benchi: A Lightweight Docker-based Benchmarking Framework

Benchi is a minimal benchmarking framework leveraging Docker to create isolated environments for measuring application and infrastructure performance. It simplifies the benchmark setup and execution process, supporting Docker Compose for environment definition, CSV metric export, custom hooks, and real-time monitoring of container statuses and metrics. Installation is flexible, offering Go and shell script options. Detailed configuration and usage examples cover metric collectors, test step definition, and Docker Compose integration, streamlining performance testing and analysis.

(github.com)

Development

Bypass Browser Fingerprinting with curl-impersonate

2025-04-03

Bypass Browser Fingerprinting with curl-impersonate

curl-impersonate is a special build of curl that mimics the behavior of four major browsers: Chrome, Edge, Safari, and Firefox. It achieves this by precisely replicating the TLS and HTTP handshakes, effectively evading browser fingerprinting techniques used by websites to identify clients. Available as a command-line tool and an embeddable library, it supports various operating systems. The project modifies curl's TLS extension configurations, utilizes different TLS libraries (like NSS and BoringSSL), and adjusts HTTP/2 settings to accurately simulate browser behavior. This tool offers users a new way to protect their privacy and access restricted websites.

(github.com)

Development browser fingerprinting

nix-ninja: Incremental Builds with Nix

2025-04-03

nix-ninja: Incremental Builds with Nix

nix-ninja is an incremental build tool leveraging the Nix build system. It parses ninja.build files, generating a derivation per compilation unit, and uses content-addressed derivations for granular, Nix-native incrementality. It's compatible with the ninja CLI, supporting both local and Nix derivation execution. Currently experimental and reliant on unreleased Nix features, it already builds simple C++ examples and even Nix itself. Contributors are welcome; milestones 0.1.0 (correctness) and 0.2.0 (performance) are outlined.

(github.com)

Development Incremental Builds

InitWare: A Lighter, More Modular, and Portable systemd Alternative

2025-04-03

InitWare: A Lighter, More Modular, and Portable systemd Alternative

InitWare is a lightweight service management suite aiming to be a systemd alternative. It boasts improved portability, modularity, and a clearly defined scope. Compatible with many systemd interfaces, it runs on NetBSD, GNU/Linux, and other modern BSD systems, functioning as both an init system and an auxiliary service manager. While all disclosed security concerns have been addressed, InitWare is still in alpha and should be used cautiously in production.

(github.com)

Development service management systemd alternative portability

AWS Labs MCP Server Suite: Boosting Your Development Workflow

2025-04-03

AWS Labs MCP Server Suite: Boosting Your Development Workflow

AWS Labs has released a suite of specialized MCP servers that bring AWS best practices directly to your development workflow. This suite includes a core server for managing other AWS Labs MCP servers, as well as servers for accessing Amazon Bedrock Knowledge Bases, analyzing AWS CDK projects, performing AWS cost analysis, and generating images using Amazon Nova Canvas. Each server has specific installation instructions, generally involving installing uv, Python 3.10, and configuring AWS credentials. Detailed documentation and API references are available on the official website.

(github.com)

Development MCP Servers Dev Tools

zxc: A Powerful Terminal-Based Intercepting Proxy Built with Rust, Vim, and tmux

2025-04-03

zxc: A Powerful Terminal-Based Intercepting Proxy Built with Rust, Vim, and tmux

zxc is a terminal-based intercepting proxy written in Rust, leveraging the power of tmux and vim as its user interface. It provides robust capabilities for intercepting, modifying, and forwarding network requests. Supporting HTTP/1.1 and WebSockets, zxc features history logging, request replay, and addon integration (e.g., ffuf and sqlmap). Users interact via vim commands and keybindings, customizing interception rules and encoding/decoding requests and responses. Extensibility through custom addons allows for integration with additional tools.

(github.com)

Development network proxy

AI-Powered Music Production: Seamless Ableton Live and Claude AI Integration

2025-04-03

AI-Powered Music Production: Seamless Ableton Live and Claude AI Integration

AbletonMCP seamlessly integrates Ableton Live with Claude AI via the Model Context Protocol (MCP), allowing Claude to directly control Ableton Live. Users can leverage natural language prompts to create tracks, modify instruments and effects, and control playback, significantly boosting music production efficiency. The project comprises two main components: an Ableton remote script and an MCP server. Installation is straightforward, supporting various commands such as creating synth tracks, adding reverb, setting tempo, and more. While limitations exist, such as complex operations needing to be broken down into smaller steps, this project undeniably opens new possibilities for AI-assisted music creation.

(github.com)

Development

Headscale: A Self-Hosted Open Source Alternative to the Tailscale Control Server

2025-04-03

Headscale: A Self-Hosted Open Source Alternative to the Tailscale Control Server

Headscale is an open-source, self-hosted alternative to the Tailscale control server, offering a simple private network solution for individuals or small organizations. Built on WireGuard, it implements core Tailscale networking features like IP address assignment, user boundary management, and route advertisement. While not affiliated with Tailscale Inc., the project benefits from contributions from a Tailscale maintainer and adheres to strict coding standards and development processes. Headscale aims to provide a user-friendly and sustainable open-source alternative for self-hosting enthusiasts.

(github.com)

Development

Age LAN Server: Play Age of Empires Multiplayer Offline

2025-04-02

Age LAN Server: Play Age of Empires Multiplayer Offline

Age LAN Server is a web server enabling offline multiplayer LAN gameplay for Age of Empires: Definitive Edition, Age of Empires II: Definitive Edition, and Age of Empires III: Definitive Edition. Even if official servers are down, LAN functionality remains. Currently in maintenance mode, focusing on bug fixes and dependency updates. A custom launcher is still required to bypass online restrictions for complete offline play. Features include map transferring, game restoration, data mods, lobby chat, and crossplay between Steam and Xbox. However, some features like achievements and leaderboards are not yet implemented. The server supports Windows, Linux, and macOS.

(github.com)

Game LAN Age of Empires

Apple Releases CA-1M Dataset and Cubify Transformer for Indoor 3D Object Detection

2025-04-02

Apple Releases CA-1M Dataset and Cubify Transformer for Indoor 3D Object Detection

Apple has released CA-1M, a large-scale dataset for indoor 3D object detection, along with the Cubify Transformer (CuTR) model. CA-1M features exhaustively annotated 3D bounding boxes and poses. Two CuTR model variants are provided: one using RGB-D images and another using only RGB images. The dataset supports real-time detection using the NeRF Capture app and includes comprehensive instructions and code examples. Researchers can leverage this dataset and model to advance research in indoor 3D object detection.

(github.com)

AI 3D Object Detection

Real-Time Introspective Compression: Giving Transformers a Conscience

2025-04-02

Real-Time Introspective Compression: Giving Transformers a Conscience

Large Language Models (LLMs) suffer from two key limitations: lack of introspection and ephemeral cognition. This article proposes a novel real-time introspective compression method that addresses both. A lightweight "sidecar" model is trained to compress the internal states of a transformer, allowing for efficient access and replay of the model's internal workings. The method compresses transformer states into a low-dimensional latent space, similar to saving a game state, thus overcoming the computational hurdle of storing the full state. This enables new capabilities such as reasoning backtracking, reinforcement learning over thought trajectories, and memory-efficient checkpointing, ultimately leading to more powerful and interpretable AI systems.

(github.com)

AI Introspection

Visualizing Async Rust Execution Trees with await-tree

2025-04-02

Visualizing Async Rust Execution Trees with await-tree

await-tree is a Rust library for visualizing the execution tree of asynchronous tasks. It traces the execution flow of asynchronous tasks and presents the result as a tree structure, facilitating debugging and analysis of complex asynchronous code. Compared to similar tools like async-backtrace, await-tree supports runtime dynamic spans, more complex asynchronous control flows, and offers higher stability and efficiency. It has been used in production deployment in RisingWave, a distributed streaming database.

(github.com)

Development

SSLyze: Blazing Fast SSL/TLS Security Scanner

2025-04-02

SSLyze: Blazing Fast SSL/TLS Security Scanner

SSLyze is a fast and powerful SSL/TLS scanning tool and Python library that analyzes a server's SSL/TLS configuration to ensure strong encryption settings and protection against known TLS attacks. It supports various server types, saves results as JSON, and integrates easily into CI/CD pipelines. SSLyze checks against Mozilla's recommended configurations, offering options to test against different TLS versions and cipher suites. Easily installed via pip, Docker, or a pre-compiled executable, SSLyze quickly enhances your server security.

(github.com)

Development Security Scanning

textcase: A Feature-Complete Python Text Case Conversion Library

2025-04-01

textcase: A Feature-Complete Python Text Case Conversion Library

textcase is a feature-complete Python library for converting text to various casing styles (snake, constant, kebab, camel, pascal, etc.). It handles acronyms, non-ASCII characters, and allows for custom boundary conditions for precise control over string splitting. The library includes `is_case` for case detection, and `CaseConverter` for encapsulating conversion parameters. This enables powerful and flexible text manipulation.

(github.com)

Development Case Conversion

Igatha: Open-Source Offline SOS for Disaster Zones

2025-04-01

Igatha: Open-Source Offline SOS for Disaster Zones

Igatha is an open-source app designed for emergency communication in war zones and disaster areas. Using Bluetooth Low Energy (BLE), it broadcasts and scans for SOS signals, estimates distance, and operates entirely offline. It features automated disaster detection. Open-sourced for transparency and community contribution, Igatha welcomes bug reports, translations, and feature enhancements.

(github.com)

Development emergency SOS offline communication

DEDA: Extracting, Decoding, and Anonymizing Tracking Dots from Printed Documents

2025-04-01

DEDA: Extracting, Decoding, and Anonymizing Tracking Dots from Printed Documents

DEDA is an open-source toolkit for extracting, decoding, and anonymizing tracking dots embedded in printed documents. Color laser printers often leave tiny tracking dots containing information like the printer's serial number. DEDA can read and decode this information, and also anonymize documents to prevent tracking. It offers a GUI and command-line tools for various operations, including extracting dots, comparing printers, creating custom dots, and anonymizing scans and documents. Installation requires Python 3 and several dependencies; troubleshooting tips for common installation errors are provided.

(github.com)

Development

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