2020年6月17日
RaspberryPi安装OpenCV
摘要： <! +++ title = "RaspberryPi安装OpenCV" description = "1. pip安装; 2. 通过whl包安装" date = "2022 01 03" tags = [] categories = ["1 os管理","12 设备端"] series = [] 阅读全文
posted @ 2020-06-17 14:19 brt2 阅读(619) 评论(0) 推荐(0)
Python闭包与装饰器
摘要： <! +++ title = "Python闭包与装饰器" description = "1. 内嵌函数; 2. 闭包（closure）; 3. 装饰器; 4. 内置的装饰器" date = "2021 12 21" tags = [] categories = ["3 syntax","33 py 阅读全文
posted @ 2020-06-17 14:19 brt2 阅读(181) 评论(0) 推荐(0)
Python语法: global变量的调用、改写与nonlocal关键字
摘要： <! +++ title = "Python语法: global变量的调用、改写与nonlocal关键字" description = "1. 方式改写全局变量; 2. 载入全局变量; 3. 命名空间; 4. 关键字" date = "2021 12 21" tags = [] categories 阅读全文
posted @ 2020-06-17 14:19 brt2 阅读(304) 评论(0) 推荐(0)