以下为本次实践代码: using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Reflection; using System.Text; using System.Threading.Tasks; namespace ConsoleTest { class Program { static void Main(string[] arg
//随机验证码,有数字.字符 //生成随机数,然后再截取,还要限定随机数的范围 String zimu = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890" ; Random rm = new Random(); //生成随机数 int a = rm.nextInt(61); //0到61之间的随机数赋值给a int b = rm.nextInt(61); int c = rm.nextInt(61); i
--模拟数据 SELECT * INTO #temp FROM ( SELECT 1 AS id, 'C101' AS sort UNION ALL SELECT 2 AS id, 'B101' AS sort UNION ALL SELECT 3 AS id, '101' UNION ALL SELECT 4 AS id, '1101' UNION ALL SELECT 5 AS id, '201' UNION ALL SELECT 6 AS id, '风' UNION ALL SELECT
安装完Mysql也进行了第一次初始化密码以及修改密码规则(请参考文章),但是我想后续再改密码,出现了下面几个问题: #SQL语句错误问题 ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '('12345678') WHERE user =