#Python
python如何利用traceback获取详细的异常信息
除了使用 sys.exc_info() 方法获取更多的异常信息之外，还可以使用 traceback 模块，该模块可以用来查看异常的传播轨迹，追踪异常触发的源头。 try: 1/0 …
2021-08-08
492
#Python
python四个坐标点对图片区域最小外接矩形进行裁剪
在图像裁剪操作中，opencv和pillow两个库都具有相应的函数，但是这两个库中的函数仅仅能对与图片平行的矩形进行裁剪操作，如果想要对目标的最小外接矩形进行裁剪该如何操作呢？如下…
#Python
Python包argparse模块常用方法
目录argparse介绍argparse实例argparse介绍 argparse包用于解释命令行参数。这里给出几个常用的方法。 # 创建解析器对象 #…
2021-08-08
769
#Python
python如何利用cv2模块读取显示保存图片
1. 读取图片 使用函数cv2.imread(filepath,flags)读入一副图片 filepath：要读入图片的完整路径 flags：读入图片的标志 cv2.IMREAD_…
2021-08-08
410
#Python
Python实现socket库网络通信套接字
目录Socket网络通信套接字什么是套接字？地址簇套接字类型套接字的简单应用gethostbyname_ex()与gethostbyname()getservbyname()与ge…
#Python
Python数据可视化之用Matplotlib绘制常用图形
目录一、散点图二、柱状图三、直方图四、扇形图总结一、散点图 散点图用两组数据构成多个坐标点，考察坐标点的分布，判断两变量之间是否存在某种关联或总结坐标点的分布模式。 特点：判断变量…
2021-08-08
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