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
var http = require("http"); var fs = require("fs"); var server = http.createServer(function(req, res){}).listen(50082); var url = "http://s0.hao123img.com/res/img/logo/logonew.png"; //随机获取名称 function getName(){ var timer = ne
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