package com.chongrui.test;/*while用法一例 * *///import java.util.Scanner;public class TypeConvertion { public static void main(String[] args){ //public static void main(String args){ int x =1; int sum = 0; while(x<=10){ sum = sum + x; x++; } System.out.p…

直接上代码: @Aspect // for aop @Component // for auto scan @Order(0) // execute before @Transactional public class MessageInterceptor { @Autowired private UserService userService; private static Logger logger = LoggerFactory.getLogger(MessageInterceptor.c…

经反复实验,发现OracleMTSRecoveryService服务使用端口1521,而这个端口默认是oracle数据库访问的监听端口.所以有两个办法,一是改变oracle数据库访问的监听端口,二是改变OracleMTSRecoveryService服务的使用端口,如果不用该服务,直接停掉它.…

错误:The service '/XRMServices/2011/OrganizationData.svc' cannot be activated due to an exception during compilation. The exception message is: Value cannot be null.>Parameter name: addresses 解决办法: Do you get the same behavior when you goto: 1. Setting…

在使用身份证读卡器时,要求 1. 身份证读到身份证 就 停止线程. 2. 关闭界面时会 自动停止调用读身份证的线程.这时候就需要用到 Thead.join 例子如下: Thread thread; private void barButtonItem6_ItemClick(object sender, ItemClickEventArgs e) { ThreadStart threadStart = new ThreadStart(processData); thread = new Threa…

  Note.js,用stream读取文件的内容,注意decoder的用法 const fs = require('fs');   var rr = fs.createReadStream('data\\foo.txt');   // Pull off a header delimited by \n\n // use unshift() if we get too much // Call the callback with (error, header, stream) const Stri…

[GBK]0G's fans( me ) 13:34:26typedef struct _TX_DATA{ int len; unsigned char buff[0x100]; } TX_DATA, *PTX_DATA; typedef struct _RX_DATA{ int len; unsigned char buff[0x100]; } RX_DATA, *PRX_DATA; TX_DATA tx;RX_DATA rx;map<TX_DATA, RX_DATA> aMap; aMap…

<!-- 控制textarea最大输入字数 --><script type="text/javascript">function checkLen(obj) {var maxChars = 30;//最多字符数if (obj.value.length > maxChars)obj.value = obj.value.substring(0,maxChars);};</script> <textarea rows="7"…

开发项目时,使用的是Oracle数据库.最近遇到了“ORA-03113: 通信通道的文件结束”错误.如下图所示: 经过网上查资料和请教同事,终于找到了解决ORA-03113错误的办法. 解决步骤如下: 1.在Windows的Dos窗口中输入“sqlplus”,然后输入数据库用户名和密码登陆.如下图所示: 2.在上图的命令行中,输入“alter system set cursor_sharing=similar;”,执行后,如下图所示: 3.输入“show parameter cursor_sha…

如题 IDENTITY_INSERT 设置为 OFF 时,不能为表中的标识列插入显式值 很多网上的文章是设置表的 IDENTITY_INSERT 为 ON EF中还要对模型就行设置 [Column(Name = "ID",IsPrimaryKey = true,DbType = "int(4)", AutoSync = AutoSync.OnInsert, IsDbGenerated = true)] public int ID { get; set; } 红色是重…