文章链接:https://blog.csdn.net/u011878172/article/details/72599120 [问题描述] 1.在一条查询语句中,查询条件既包含了整形又包含了字符串型,执行查询函数后,直接报%d format: a number is required, not str 2.例如 ,如下sql 语句 sql = 'select productid from product where productid = %d and productName = %s' [实…
使用python实现python核心编程3第472页和474页的TCP时间戳服务器和客户端服务器间数据传输编程时遇到TypeError: a bytes-like object is required, not 'str'报错问题,经查找资料知道是Python中的字符串数据和字节数据在python3中不能混用所致,一博文 https://eli.thegreenplace.net/2012/01/30/the-bytesstr-dichotomy-in-python-3 对python3中字符串…
Traceback (most recent call last): File , in <module> s.sendall(content) TypeError: a bytes-like object is required, not 'str' --scala_out: protoc-gen-scala: Plugin failed with status code . [error] java.lang.RuntimeException: protoc returned exit c…