摘要：
### 安装 MQTT Broker * mosquitto 纯 C 实现 * https://github.com/eclipse/mosquitto.git ### 安装 ``` brew install mosquitto ``` ### 启动服务 ``` mosquitto ``` ![]( 阅读全文
摘要：
### 利用pdfminer.six 和 fiz ``` import os from pathlib import Path from fitz import fitz from pdfminer.high_level import extract_text def mu_extract_imag 阅读全文