This is a concise Python 3 programming tutorial for people who think that reading is boring. I try to show everything with simple code examples; there are no long and complicated explanations with ...

v1.7.1 修正了mongo连接权限可能引发的问题,现在可以配置每个连接是否是只能连database,默认为False.{"uri":xxxx,"only_db":True} v1.6.0 ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...