这是我的环境:
当我创建新机器时,我遇到了IP地址冲突:

并且控制台卡在启动VM的阶段
Creating VirtualBox VM...
Creating SSH key...
Starting VirtualBox VM...
Starting VM...
Run Code Online (Sandbox Code Playgroud)
此外,当我按Ctrl-C停止脚本并运行eval"$(docker-machine env dev)"时,我收到以下错误:
$ eval "$(docker-machine env dev)"
open C:\Users\jacob.phan\.docker\machine\machines\dev\ca.pem: The system cannot
find the file specified.
Run Code Online (Sandbox Code Playgroud) 在"清洁代码:敏捷软件工艺手册"一书的第11章中,Bob叔叔说下面的Lazy-Initialization不是一个干净的代码.它需要两个职责,并且具有很强的依赖性.
public Service getService() {
if (service == null)
service = new MyServiceImpl(...); // Good enough default for most cases?
return service;
}
Run Code Online (Sandbox Code Playgroud)
除了IoC容器和工厂,有没有办法让代码干净并与依赖关系分开?
lazy-loading ioc-container inversion-of-control code-cleanup factory-pattern