一.问题: Python 中requests库在发送http请求时相当方便好用,但在使用时一直受一个问题困扰,怎么才能查看请求时长呢? 自己写时间函数再相减?NO,这个方法肯定不行. 二.解决: 好吧.我们还是看看requests管方文档,功夫不负有心人,管网API竟然后介绍是: elapsed = None The amount of time elapsed between sending the request and the arrival of the response (as a t
在OpenCV中通过图片的URL地址获取图片: # -*- coding: utf-8 -*- import numpy as np import urllib import cv2 # URL到图片 def url_to_image(url): # download the image, convert it to a NumPy array, and then read # it into OpenCV format resp = urllib.urlopen(url) # bytearra