import sys import re #Make sure we have a single URL argument. if len(sys.argv) != 2: print (sys.stderr, "URL Required") sys.exit(-1) #Easie access. url = sys.argv[1] #Ensure we were passed a somewhat valid URL. #This is a superficial test. if r…
假设现在有条update语句,有时候update语句正确,但是受影响的行数是0. 那么怎么判断这条SQL语句到底是否正确?使用 mysqli_error($Conn); create table user( name varchar(), age ), hobby text); mysql> insert into user values(,'test....'); Query OK, row affected (0.01 sec) mysql> update user set name='z…
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace IPFlag { public class Class1 { public bool ISIP(string ip) { bool b = true; ]; string s = "."; lines = ip.Split(s.ToCharArray(), );//分隔字符串 try { ; i…
var isIE=!!window.ActiveXObject;var isIE6=isIE&&!window.XMLHttpRequest;var isIE8=isIE&&!!document.documentMode;var isIE7=isIE&&!isIE6&&!isIE8;if (isIE){if (isIE6){alert(”ie6");}else if (isIE8){alert(”ie8");}else i…