pinklatte的博客

1.更换阿里云的源（用以下载应用）    找到源文件并进行编写：vi /etc/apt/sources.list    更改文件内容：deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ xenial-securit...

在IDE里调试程序总是在执行SQL语句时报错（ps:如何定位错误？）,这是一件很头疼的事。一种比较有效的方法是：（1）调用printf等输出函数，得到SQL语句eg:String sql = "select * from suser where name='"+name+"' and password='"+psd+"';";System.out.println(sql);//...

idea报错：Please, configure Web Facet first!https://blog.youkuaiyun.com/malz_zh/article/details/85098356There is no configured/running web-servers found! Please, run any web-configuration and hit the Re...