Cheatsheets and Notes

AI Fundamentals

1 topics

Model

A model is a mathematical system that is trained to obtain parameters and can calculate outputs based on inputs.

5 items2026-08-17

AI Agents

1 topics

Agent Skills

A practical reference for Agent Skills, covering core concepts, structure, mechanisms, and usage, including SKILL.md, progressive disclosure, resource organization, skill creation, and distribution.

1 items2026-08-17

AI Tools

1 topics

Cursor

Cursor is an AI-powered code editor (built on VS Code) that lets you understand, generate, and edit code through natural language conversation.

0 items2026-07-27

Operating Systems & Fundamentals

1 topics

macOS

macOS related content records, covering software installation and configuration.

1 items2026-09-16

Command Line & Utilities

3 topics

curl

curl is a command-line tool for sending and receiving data via URLs (supporting HTTP, FTP, and other protocols), commonly used for testing APIs or downloading files.

1 items2026-07-16

tree

tree is a command-line tool for displaying directory hierarchies in a tree structure. It was originally created in the Unix ecosystem and has since been widely ported to platforms such as Linux.

0 items2026-07-16

yt-dlp

Common commands for downloading media, selecting formats, extracting audio, subtitles, and output templates.

1 items2026-07-16

Languages

2 topics

JavaScript

JavaScript is a dynamic scripting language primarily used for web development to make pages interactive, and is also widely used for server-side, mobile, and desktop app development.

0 items2026-07-16

Python

Python is a general-purpose programming language known for its clean, readable syntax, widely used in data science, AI, automation scripting, and web development.

0 items2026-08-10

Frameworks & Libraries

1 topics

Next.js

Next.js is a full-stack React framework that provides out-of-the-box server-side rendering, static generation, routing, and more, for quickly building production-ready web applications.

1 items2026-07-16

Databases

2 topics

PostgreSQL

PostgreSQL is a powerful open-source relational database management system known for its stability, standards compliance, and advanced features like JSON support and complex querying.

0 items2026-07-27

Prisma

A quick review of Prisma ORM and common database development concepts.

1 items2026-07-27

Development Toolchain

1 topics

npm

npm is the official package manager for Node.js, used to install, share, and manage the libraries (packages) that JavaScript projects depend on.

0 items2026-07-25

Runtimes & Platforms

1 topics

Node.js

Node.js is a JavaScript runtime built on Chrome's V8 engine that lets JavaScript run outside the browser, typically on servers.

0 items2026-07-25

Network

1 topics

Tailscale

Tailscale is a VPN solution that allows you to securely connect your devices, servers, and private networks.

1 items2026-07-15

Systems & Ops

1 topics

Docker

Docker is a containerization technology that packages an application along with its runtime environment into a standalone, portable "container," enabling "build once, run anywhere."

0 items2026-07-27