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Zustand Cheat Sheet

A minimal, unopinionated state management library for React with a hooks-based API.

Core Concepts

Store: A single source of truth holding your application state
Hooks-based: Access state using hooks, no providers needed

Public Gist Index

Bun Cheat Sheet

Fast all-in-one JavaScript runtime and toolkit (bundler, test runner, package manager).

Core Concepts

What is Bun?

Bun is a modern JavaScript runtime built from scratch using Zig and JavaScriptCore (Safari's JS engine). It serves as a drop-in replacement for Node.js with significantly faster startup times and execution speed. Unlike Node.js which uses V8, Bun uses JavaScriptCore which contributes to its performance gains.

Deno Cheat Sheet

A modern, secure runtime for JavaScript and TypeScript built on V8, Rust, and Tokio.

Core Concepts

What is Deno?

Shell Scripting Cheat Sheet: Bash, Node.js, and Python

Quick reference for writing scripts in Bash, Node.js, and Python with practical examples and explanations.

Core Concepts

Script Anatomy

C++ Cheat Sheet

A powerful general-purpose programming language that provides low-level memory control, object-oriented features, and high performance with zero-cost abstractions. C++ extends C with classes, templates, and modern safety features.

Core Concepts

C++ combines procedural, object-oriented, and generic programming paradigms. It provides direct hardware access while offering high-level abstractions.

Python Cheat Sheet

Quick reference guide for Python programming fundamentals and common patterns.

Core Concepts

Python is a high-level, interpreted, dynamically-typed language emphasizing code readability. Everything in Python is an object, and the language follows a "batteries included" philosophy with a comprehensive standard library.

	// map of box index to the days interval array
	const G5_INTERVALS = [1, 2, 5, 9, 14];

	interface Flashcard {
	id: string;
	word: string;
	definition: string;
	box: number; // 1 to 5
	nextReviewDate: Date;
	}

	type Listener = () => void;
	type Unsubscribe = () => void;

	interface CacheEntry<T> {
	data: T;
	listeners: Set<Listener>;
	dbUnsubscribe: Unsubscribe \| null;
	subscriberCount: number;
	}

	// ALGEBRAIC EFFECTS

	use std::cell::RefCell;
	use std::rc::Rc;

	#[derive(Debug, Clone)]
	enum Effect {
	Log(String),
	GetRandom(i32, i32), // min, max
	Pause(u32), // milliseconds