摘要： http://npm.taobao.org/mirrors/python/3.7.4/ 阅读全文

摘要： sudo apt install python3-pip 阅读全文

摘要： http://zetcode.com/python/pymysql/ 阅读全文

摘要： https://www.jianshu.com/p/7fcfc6253c81 阅读全文

摘要： http://idea.medeming.com/jetbrains https://www.jianshu.com/p/033f5666e8df 阅读全文

摘要： https://www.jianshu.com/p/ddafe46827b7 阅读全文

摘要： j = 0 jtemp = 1 for i in range(0, 10, 2): for j in range(jtemp, 20): if i == j: jtemp = j print('i:%s,j:%s,jtemp:%s' % (i, j, jtemp)) break print(i, j, jtemp) 阅读全文

摘要： https://www.jianshu.com/p/b9b3d66aa0be 阅读全文

摘要： http://study.marearts.com/2014/05/open-cv-get-histogram-and-compare-color.html https://www.jianshu.com/p/bd12c4273d7dhttps://docs.opencv.org/3.4/d8/dc 阅读全文

摘要： https://github.com/alibaba/arthas/issues/482 阅读全文