Hacker News·2yData Structures Cheat Sheet
This guide provides an introduction to data structures and their representation in Memgraph. It explains the basics of graphs, linked lists, queues, stacks, and trees, along with examples and queries to create these data structures using Memgraph. The document also discusses tree traversal algorithms like BFS and DFS and demonstrates how to run these algorithms in Memgraph.
Hacker News·2yInstall Docmost - Open Source Notion Clone
DocMost is an open-source alternative to Notion, aimed at providing a self-hosted knowledge base tool. The guide walks through setting up DocMost on a server using Docker and Traefik for SSL certificate management. It covers getting a root server, setting up DNS, installing DocMost, configuring Docker Compose, and details essential steps and troubleshooting tips. The setup is basic and intended for testing; for production, additional security steps are recommended.
Hacker News·2yMy Obsidian Note-Taking Workflow
The post details an individual's comprehensive knowledge management workflow using Obsidian for note-taking. It emphasizes the significance of plaintext files and Markdown, utilizing Vim motions for efficient note creation. The workflow aims to achieve a 'Deeper Life' by maintaining a 'Second Brain' for all personal and professional knowledge. Key components include a well-defined note-taking process, essential plugins, and the importance of open file formats. The author also shares insights on how this systematic approach has enhanced clarity, organization, and the ease of retrieving information.
Hacker News·2yCalcGPT
CalcGPT, created by artist-engineer Calvin Liang, is a satirical artwork that uses a GPT language model-powered calculator to poke fun at the excessive use of AI. It combines technology with dry humor to question our reliance on AI and highlight the value of traditional methods. CalcGPT serves as both a functional tool and a social commentary, urging a balance between innovation and tradition.
Hacker News·2ySelf Hosting 101 - A Beginner's Guide
Self-hosting allows individuals to run and maintain their own servers for various services, offering complete control over their data, independence from third-party services, and potential cost savings. It's suitable for privacy-conscious individuals, tech enthusiasts, small businesses, and more. Although it requires technical knowledge, time, and upfront costs, it can be a rewarding and educational experience. Key steps include assessing needs, choosing hardware, setting up networking, implementing security measures, using container technologies like Docker, and joining self-hosting communities.
Hacker News·2ydarrenburns/posting: The modern API client that lives in your terminal.
Posting is a terminal-based HTTP client designed for efficient keyboard-centric interactions. It stores requests locally in YAML files, ensuring easy version control. Key features include 'jump mode' navigation, environment/variable management with autocompletion, various themes, and a command palette. Installation requires Python 3.11 or later and can be done using pipx. Users can also import OpenAPI 3.x specifications to create collections. Configuration is flexible, supporting YAML files, environment variables, and .env files.
Hacker News·2yCollection of Dark Patterns and Unethical Design
Explore various dark patterns commonly found in web and app design, categorized to help understand deceptive practices. Examples include bait and switch, confirmshaming, disguised ads, hidden costs, misdirection, nagging, privacy zuckering, roach motel, sneak into basket, and trick questions. Each category includes typical cases and specific examples.
Hacker News·2yReverse Engineering TicketMaster's Rotating Barcodes (SafeTix)
The post explores TicketMaster's SafeTix rotating barcode system. It critiques the system's shortcomings, such as its reliance on internet connectivity and the potential for usability issues. The author reverse engineers the barcode mechanics, revealing how static bearer tokens and TOTP-based six-digit numbers are used to validate tickets. The motivations behind SafeTix's implementation, including reducing ticket fraud and promoting TicketMaster's app, are analyzed. The conclusion stresses the drawbacks of excluding people from events through tech barriers.
Hacker News·2ytaubyte/tau: Open source distributed Platform as a Service (PaaS). A self-hosted Vercel / Netlify / Cloudflare alternative.
Tau is an open-source, distributed Platform as a Service (PaaS) designed to compete with major providers like Vercel, Netlify, and Cloudflare. It's a developer-friendly framework focused on minimal configuration, auto-discovery, and peer-to-peer networking. Using Git for infrastructure management, Tau emphasizes local development and seamless production deployment. Features include WebAssembly support, content-addressed storage, and a plugin system for extensibility.
Hacker News·2yjodigiordano/gg: The software architecture simulator
gg is a light software architecture simulator designed for documentation and presentation purposes. Although still in its proof-of-concept phase, it allows users to define various software architectures and create step-by-step presentations of different usage scenarios. The tool can be started by cloning the repository, installing dependencies, and running the development server.
Hacker News·2yTalos Linux
Talos Linux is a minimal, secure, and immutable operating system designed for Kubernetes. It supports multiple platforms including cloud, bare metal, and virtualization. All system management is performed through a secure API with mutual TLS authentication, eliminating the need for SSH or console access. Talos follows a hardened, immutable infrastructure approach, runs entirely in memory, and consistently delivers the latest stable versions of Kubernetes and Linux.
Hacker News·2yHow to think in writing
Writing is an essential tool for refining and clarifying thoughts. The author discusses how writing helps make ideas more precise and comprehensive. The process of articulating thoughts in writing reveals gaps and flaws, pushing one towards greater understanding. Influenced by the works of Imre Lakatos, the practice is framed through making conjectures and systematically unfolding and examining ideas. This iterative process not only sharpens thinking but also aids in deeper self-awareness and problem-solving.
Hacker News·2yThis Crystal Fragment turns everything you see into 8-bit Pixel Art, and it’s FASCINATING
The Pixel Mirror, developed by Japanese designer Monoli, is a wearable crystal that transforms whatever is behind it into pixelated art, evoking early computer and video game graphics. Available in forest green, gray, and colorless variants, it's designed for use in bright environments and can be worn as a pendant. The Pixel Mirror is currently on sale in Japan, with international availability updates provided by Monoli on social media.
Hacker News·2yQuestDB
QuestDB is an open-source time-series database with SQL analytics designed to efficiently handle data ingestion and analysis. The post details the development and debugging of a primary-replica replication feature, addressing a performance issue related to excessive network bandwidth usage. The author implemented a custom network profiling tool using Rust to capture and analyze network traffic, identifying the root cause of the problem. The solution involved optimizing how metadata was uploaded, ultimately improving bandwidth efficiency. Techniques used within QuestDB for high ingestion performance were also highlighted.
Hacker News·2yCSS Grid Generator
CSS Grid Generator is a new tool launched on Product Hunt that assists developers in creating custom CSS grid layouts. Users can specify the number of columns, rows, and gutter size to customize their grids easily. Developed by Kristjan, this tool simplifies web development tasks.
Hacker News·2ykitao/pyxel: A retro game engine for Python
Pyxel is a Python-based retro game engine inspired by PICO-8 and TIC-80. It supports a 16-color palette, simple sound channels, and includes image and sound editors. Pyxel runs on multiple platforms including Windows, Mac, Linux, and Web. It's open source and ideal for creating pixel art games. Installation is straightforward with pip, Homebrew, or manual setup, and examples are provided to help get started.
Hacker News·2yfairyglade/ly: display manager with console UI
Ly is a lightweight text-user interface (TUI) display manager for Linux and BSD that can be compiled using Zig and has various runtime dependencies. It supports a wide range of desktop environments and provides basic Wayland support. Ly is designed to work without systemd and can be installed with systemd, OpenRC, and Runit services. Configuration options are detailed, including changing the default tty and editing the configuration file at /etc/ly/config.ini.
Hacker News·2yStrflow — Note-Taking, Like Chatting
Strflow is an intuitive note-taking app designed to make jotting down notes feel like chatting. It allows users to build a chronological timeline of their notes, tag specific topics, and sync across devices. Privacy is a key focus, with all data staying on user devices and iCloud, encrypted with iCloud Keychain. The app offers a range of features for free, with a Strflow Plus plan available for more advanced functionalities.
Hacker News·2yyunginnanet/HellPot: HellPot is a cross-platform portal to endless suffering meant to punish unruly HTTP bots.
HellPot is a cross-platform honeypot designed to trap and punish rogue HTTP bots by sending them endless streams of data. Implemented in Go, it uses a toml configuration file, JSON logging, and offers substantial performance gains. When misconfigured or when bots ignore the standard `robots.txt`, HellPot subjects them to an eternity of useless data generated by a Markov engine. It has easy setup steps and integrates well with web servers like nginx and Apache.
Hacker News·2yAI Studio
AI Studio allows users to create custom AI characters for Instagram, Messenger, and WhatsApp in the US. Content creators can build AIs to engage their audience by mimicking their tone and expressions. The platform provides a step-by-step guide, offering full customization and control over the AI's behavior. It also supports the latest Generative AI capabilities, making it easy for anyone to craft conversational AIs based on personal interests.
Hacker News·2yexo-explore/exo: Run your own AI cluster at home with everyday devices 📱💻 🖥️⌚
Run an AI cluster at home using exo, a software that unifies everyday devices into a powerful GPU. It supports LLaMA and other popular models, and uses a peer-to-peer connection without a master-worker architecture. Install it from source with Python>=3.12.0 and access models via a ChatGPT-compatible API endpoint.
Hacker News·2yNode.js is Here to Stay
Node.js has become an essential element for modern web development since its release in 2009. With over 6.3 million websites powered by it and its ubiquity among Fortune 500 companies, Node.js remains highly relevant. The platform boasts a lightweight, event-driven architecture suitable for scalability and high-concurrency. It continues to evolve with new features like ECMAScript Modules (ESM), worker threads, built-in Fetch API, and improved security measures. Node.js ensures up-to-date security through an active response team and coordination with the Open Source Security Foundation. Despite rumors of its decline, metrics indicate that Node.js is thriving and will continue to be a robust choice for developers.