1.在github上，下载代码：git clone https://github.com/vuejs/devtools.git2.把persistent改为true3.在devtools目录下，安装包yarn，在构建yarn run build。4.window系统下会报错，如下：5.解决方案：在E:\resource\devtools\packages\shell-chrome\package.

android与内置Chrome浏览器对应的版本关系：4.4.4 -33.0.05.0.0 - 43.0.2357.1216.0.0 - 50.0.2661.86ios系统与浏览器的对应关系：3.2.2 - Mobile Safari 4.0.44.3.3 - Mobile Safari 5.02 - iPhone 3g5.0 - Mobile Safari 5.15.1 - Mobile Saf

1.找到springboot的自动配置包的spring.factories文件。路径：org/springframework/boot/spring-boot-autoconfigure/2.1.9.RELEASE/spring-boot-autoconfigure-2.1.9.RELEASE.jar!/META-INF/spring.factories2.找数据源的自动配置路径，按住Ctrl+鼠

1.执行flutter doctor，确保flutter命令正常。2.查看模拟器，执行flutter emulator：3.执行flutter连接模拟器的命令flutter emulator --launch Nexus_S_API_28。确保成功执行。4.查看是否连接成功，执行flutter doctor。已经连接成功。...

1. spring security默认用户名和密码spring security默认用户名：userspring security默认密码：在控制台打印出来，如下：Using generated security password: 1dfdgki3-q234-76hj-6h7l-1re87f546r6462.spring security在yml文件配置用户名和密码spring:securit