B. Fox and Minimal path 题目连接: http://codeforces.com/contest/388/problem/B Description Fox Ciel wants to write a task for a programming contest. The task is: "You are given a simple undirected graph with n vertexes. Each its edge has unit length. You…
wjgl.aspx.cs: using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControl…
先发异常 Can not find a java.io.InputStream with the name [downloadFile] in the invocation stack. Check the <param name="inputName"> tag specified for this action 这个异常是因为在sturts.xml中配置的输入流没有找到或者得不到,或者为Null,总之就是获取不到,原因是因为我在Action中获取流的路径写的不正确,导致…