0x00 解决方案Ubuntu 14.04 在运行git init后，编译文件显示fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree.错误。解决方案 输入命令git commit --allow-empty -n -m "Initial commit"提示需要身份验证，输入身份验证：g

0x01 柱状图代码import matplotlibimport matplotlib.pyplot as pltx=['A','B','C','D','E','F','G']y=[12.14,5.84,3.42,2.4,1.95,1.53,1.83]plt.bar(x,y,color=['slateblue','darkslateblue','mediumslateblue','mediump

0x00 解决方案Ubuntu 14.04 在运行git init后，编译文件显示fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree.错误。解决方案 输入命令git commit --allow-empty -n -m "Initial commit"提示需要身份验证，输入身份验证：g

#! /usr/bin/env python#coding:utf-8from selenium import webdriverimport sysimport timedef get_html():obj = webdriver.PhantomJS()obj.set_page_load_timeout(5)try:obj.get(...

0x01 OpenCV安装  通过命令pip install opencv-python 安装pip install opencv-python0x02  示例import cv2cap = cv2.VideoCapture(0)#打开摄像头while(1):# get a frameret, frame = cap.read()...