摘要:
今天使用pip安装pymysql时出现如下错误: Could not find a version that satisfies the requirement cryptography (from pymysql) (from versions: )No matching distribution 阅读全文
摘要:
首先导包: import uuid uuid1(): # make a UUID based on the host ID and current time # 基于MAC地址,时间戳,随机数来生成唯一的uuid,可以保证全球范围内的唯一性 >>> uuid.uuid1() # doctest: + 阅读全文