src.zip

1.安装ubuntu 20.042.安装conda

1.安装tkconda install -c anaconda tk2.

1.抽象类from abc import ABCMeta, abstractmethod class Pet(object, metaclass=ABCMeta):     """宠物"""   &nb

1.下载地址https://developer.nvidia.com/cuda-downloads

1.水仙花for x in range(100, 1000): low = x%10 mid = x//10%10 hig = x//100 if low ** 3 + mid **3 + hig&nbs

参考https://github.com/jackfrued/Python-100-Dayshttps://github.com/wistbean/learn_python3_spider

1. What went wrong:A problem occurred configuring root project 'android'.> Could not resolve all dependencies for configuration ':classpath'.   > Using insecure pr

1.修改 andriod 下的build.gradlerepositories { //        google() //        mavenCentral()     &n

public function alpha2num($column) {     $number = 0;     foreach(str_split($column) as $letter){