Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

All Algorithms implemented in Python

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

A simple, yet elegant, HTTP library.

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

结巴中文分词

12306智能刷票，订票

A proxy tool to bypass GFW.

⛅ The right way to check the weather

《Designing Data-Intensive Application》DDIA 第一版 / 第二版 中文翻译

Source Han Sans | 思源黑体 | 思源黑體 | 思源黑體 香港 | 源ノ角ゴシック | 본고딕

🚂 12306 购票助手，支持集群，多账号，多任务购票以及 Web 页面管理

TuShare is a utility for crawling historical data of China stocks

网页版微信API，包含终端版微信及微信机器人

pkuseg多领域中文分词工具; The pkuseg toolkit for multi-domain Chinese word segmentation

Create and modify Word documents with Python

Python QR Code image generator

Requests + Gevent = <3

跟我一起写Makefile重制版

Emscripten SDK

Python port of ShadowsocksR

使用机器学习算法完成对12306验证码的自动识别

12306 图片验证码识别测试

Example code from the book

TensorFlow for Raspberry Pi

🍀️四叶草拼音输入方案，做最好用的基于rime开源的简体拼音输入方案！

CYaRon: Yet Another Random Olympic-iNformatics test data generator

Python tdx数据接口

Open source, multi-user SDR receiver software with a web interface

Quansheng UV-K5 Firmware