Python 3.6.0的sqlite3模块存在一个bug(见issue 29003),无法执行VACUUM语句. 一执行就出现异常: Traceback (most recent call last): File "D:\desktop\cannot_vacuum.py", line 25, in <module> conn.execute('VACUUM')sqlite3.OperationalError: cannot VACUUM from within a
Python 3.8.0 发布时间: Oct. 14, 2019 这是一个Python3.8.0的稳定发行版. Python3.8.0是最新的Python编程语言发行版,ta包含了许多新的特征和优化. This is the stable release of Python 3.8.0 Python 3.8.0 is the newest major release of the Python programming language, and it contains many new feat
http://blog.csdn.net/qq61394323/article/details/44619511 #!/usr/bin/env python # -*- coding: utf-8 -* import serial import serial.tools.list_ports port_list = list(serial.tools.list_ports.comports()) if len(port_list) <= 0: print "The Serial port