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RSS订阅原创 spring 定时任务
1:job [code="java"]@Component("apiWorker")public class ApiWorker[/code]spring context 配置文件 [code="java"] ...
2013-01-04 23:38:06
104
原创 MySQL LAST_INSERT_ID
在看代码时，看到有这样的用法：插入一条记录，然后用 [code="java"]SELECT LAST_INSERT_ID() [/code] 取这条记录的id(此id是AUTO_INCREMENT)当时第一反应会不会有线程安全的问题查看MySQL文档 [url]http://dev.mysql.com/doc/refman/5.0/en/information-function...
2012-10-09 14:13:37
122
原创 linux 自动登录
[code="java"]#!/usr/bin/expect -fset timeout 60spawn ssh -D 7070 host expect "password:"send "xiaobao001\r"interact[/code]会报找不到expect ,是因用用sh执行，不会解释第一行，而应该把些脚本有执行...
2012-05-22 15:41:21
119
原创 ssh 防超时断开
ubuntu [code="java"]/etc/ssh/ssh_config |grep ServerAliveInterva[/code] ServerAliveInterval=60 //设置 这个，每分钟发一次[url]http://linuxpoison.blogspot.com/2008/05/how-to-increase-ssh-connection-tim...
2012-05-22 14:24:54
151
原创 启动java项目 脚本
[code="java"]## yubaofu #### APP_HOME="..."FILE_NAME="..."MAIN_CLASS_NAME="..."PORT=8888CLASSPATH=$APP_HOME/$FILE_NAMEfor i in $APP_HOME/lib/*.jardo CLASSPATH="$i:$CLASSPATH"d...
2011-12-31 14:11:49
188
原创 btrace demo
文档 http://kenai.com/projects/btrace/pages/UserGuide#btrace_anno下载btrace http://kenai.com/projects/btrace/downloads/directory/releases/release-1.2.1btrace-bin.tar.gz 文件tar xvf btrace-b...
2011-12-15 20:43:42
119
原创 reids 好文章链接
[url]http://www.slideshare.net/tednaleid/redis-and-groovy-and-grails-gr8conf-2011[/url][url]http://blog.mjrusso.com/2010/10/17/redis-from-the-ground-up.html#heading_toc_j_1[/url][url]http://ti...
2011-09-15 23:51:02
89
原创 log4j
[quote]# This is the configuring for logging displayed in the Application Server# log4j.rootCategory=DEBUG, stdout# Replace the line above if you want to put a log file into the directory# you...
2011-09-08 17:21:40
82
原创 java visualVm 运程监控
我按照官网的说明 [url]http://download.oracle.com/javase/6/docs/technotes/tools/share/jstatd.html[/url]配置，但最后没有成功相关信息在附件里配置信息 配置图:[url]http://www.yupoo.com/photos/fuyou001/82192935/[/url]本地连拉...
2011-08-09 11:31:15
102
原创 netty
NioServerSocketPipelineSinkNioWorker SocketReceiveBufferPoolDefaultChannelPipeline
2011-06-22 20:14:28
66
原创 java tuning
top cpu分析按shift+H 可按线程查看查出us高的线程id ，用kill -3 javapid 或jstack方式 dump出线程信息，将线程id转为十六进制jstack pid|grep nid=16进制pidjstack -l javapid dump出java线程信息iostat 或iostat -x xvda 当iowait过高时，就...
2011-06-20 23:06:18
155
原创 断定域名哪出问题
[code="java"]G:\Documents and Settings\Administrator>nslookupDefault Server: gjjline.bta.net.cnAddress: 202.106.0.20> server 8.8.8.8 //设定serverName Default Server: goo...
2011-04-12 09:45:59
111
原创 java并发copy对象
1[code="java"]package com.fuyou.concurrency;import java.util.Collections;import java.util.HashMap;import java.util.Map;import net.jcip.annotations.GuardedBy;import net.jcip.annotatio...
2011-04-11 23:53:38
119
原创 java 双重检查模式
java 双重检查模式的演变[url]http://www.ibm.com/developerworks/cn/java/j-dcl.html[/url]
2011-04-10 11:19:08
180
原创 关于泛型
stack1[code="java"]// Generic stack using E[] - Pages 125-127import java.util.Arrays;public class Stack < E >{ private E[] elements; private int size = 0; private static final ...
2011-04-09 22:15:58
135
原创 document.write
一般情况下：document.write会直接输出里的内容但一定文档已经下载完成，document.write会清空原有的东西，然后重新输出 Any document.write statement that runs after the page finishes loading will create a new page and overwrite all of the co...
2011-04-02 22:40:22
2015
原创 查看软件运行所依赖的软件包
比如查看apache [code="java"]bsd# whereis httpdhttpd: /usr/local/sbin/httpd /usr/local/man/man8/httpd.8.gz /usr/ports/www/apache22/work/httpd-2.2.17/httpdbsd# cd /usr/local/sbin/bsd# ldd htpd...
2011-03-31 15:22:12
300
原创 window 常用简单语句
%userprofile% 打开当前用户目录lusrmgr.msc 配置用户perfmon 查看内核性能 dxdiag sndvol32.exe 调用出声音喇叭C:\>netstat -aon|findstr "8080" TCP 127.0.0.1:80 0.0.0.0:0 LISTENIN...
2011-03-13 13:40:29
183
原创 uml 软件
[url]http://astah.change-vision.com/en/product/astah-uml.html[/url][url]http://office.microsoft.com/en-us/visio/[/url]
2011-02-23 20:52:13
95
原创 set echo on/off
[code="java"]fuyou@ORCL> @testDU--Xfuyou@ORCL> set echo onfuyou@ORCL> @testfuyou@ORCL> select * from dual;DU--Xfuyou@ORCL> set echo offfuyou@ORCL> @testDU--X...
2011-01-22 01:03:41
140
原创 js get 传中文参数 后台乱码处理
[code="java"] var text = encodeURI(encodeURI('中国')); alert(decodeURI(decodeURI(text))); //js 解码 alert(text); var imgLog = new Image(); imgLog.src='comment.jsp...
2011-01-20 17:40:56
378
原创 枚 举
[code="java"]package com.fuyou.effect;// Enum type with data and behavior - Pages 149-150public enum Planet { MERCURY(3.302e+23, 2.439e6), VENUS(4.869e+24, 6.052e6), EARTH(5.975e+24,6.37...
2011-01-19 23:38:38
126
原创 log4j 不包输出不同的日志文件
[code="java"]log4j.rootLogger=Error,rootLoglog4j.logger.com.fuyou.log.test2=debug,test2loglog4j.logger.com.fuyou.log.test=debug,testloglog4j.appender.A1=org.apache.log4j.ConsoleAppender ...
2011-01-15 20:50:34
87
原创 eclipse 不能启动
重新安装了下jdk ，eclipse居然不能启动了，也没有报错信息，一闪即过重新解压仍然没有最后在网上找到解决 办法 ，暂时先这么用吧添加了-vm "E:\java\bin\javaw.exe"E:\helios\eclipse\eclipse.exe -vm "E:\java\bin\javaw.exe"...
2010-12-18 17:25:37
53
原创 linux 配置dns
[code="java"][root@localhost ~]# echo "202.106.195.68">/etc/resolv.conf[root@localhost ~]# cat /etc/resolv.conf202.106.195.68[root@localhost ~]# echo "nameserver 202.106.195.68">/etc/resolv.co...
2010-11-26 23:00:21
78
原创 oralce 闪回
[code="java"]sys@ORCL> variable scn number;sys@ORCL> exec :scn :=dbms_flashback.get_system_change_number;PL/SQL procedure successfully completed.sys@ORCL> print scn; SCN-----...
2010-11-17 21:43:36
61
原创 查看apache 已加载模块
[code="java"]bsd# which httpd/usr/local/sbin/httpdbsd# httpd --help(48)Address already in use: make_sock: could not bind to address [::]:80(48)Address already in use: make_sock: could not bi...
2010-11-09 23:23:13
492
原创 freebsd https
[code="java"]$ which openssl/usr/bin/opensslbsd# openssl genrsa -des3 -out server.key 1024 --产生私钥 要产生RSA密钥，RSA是所有主要的 浏览器都支持的一种的加密算法Generating RSA private key, 1024 bit long modulus..............
2010-11-08 23:24:47
167
原创 oralce 启动信息
[code="java"]SQL> startup nomoutSP2-0714: invalid combination of STARTUP optionsSQL> startup nomountORACLE instance started.Total System Global Area 209715200 bytesFixed Size ...
2010-10-21 21:59:09
286
原创 跟踪sql 等待事件
[code="java"] stmt.execute( "begin dbms_monitor.session_trace_enable(waits=>TRUE); end;" );[/code]在做jdbc sql 操作前，先执行这个用于对等待事件的sql 跟踪(dbms_monitor 10g以上才行)9i用[code="java"]alter session set ev...
2010-08-21 20:57:35
112
原创 设置sqlplus 的autotrace
[code="java"]SQL> conn as / sysdbaSP2-0306: 无效选项。用法: CONN[ECT] [logon] [AS {SYSDBA|SYSOPER}]其中 : : = [/][@] | /SQL> conn / as sysdba已连接。SQL> @E:\oracle\ora92\rdbms\admin\utlxplan.sql...
2010-08-18 20:54:03
119
原创 connect by
例子：[code="java"]fuyou@ORCL> select deptno,ename,row_number() over(partition by deptno order by empno)rn 2 ,count(*)over(partition by deptno) cnt 3 from emp; DEPTNO ENAME ...
2010-08-07 00:21:39
99
原创 translate replace区别
数据：[code="java"]fuyou@ORCL> select ename||sal from emp;ENAME||SAL------------------------------------------------------------SMITH800ALLEN1600WARD1250JONES2975MARTIN1250BLAKE2850...
2010-08-06 23:48:23
107
原创 order by 排序
[code="java"]fuyou@ORCL> select * from emp order by 1; EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO---------- -------------------- --------...
2010-08-04 23:56:01
81
原创 查看网络端口
在xp cmd下查看帮助 [code="java"]D:\Documents and Settings\yubao>netstat -h显示协议统计信息和当前 TCP/IP 网络连接。NETSTAT [-a] [-b] [-e] [-n] [-o] [-p proto] [-r] [-s] [-v] [interval] -a ...
2010-08-03 23:27:28
115
原创 ie 6 分析事件
[code="java"] New Document Right click the above rectangle.[查看]var divObj = document.getElementById('divEvent');var intObj = document.ge...
2010-08-03 14:37:41
90
原创 跟踪 oracle 监听
在cmd 里输入下面的命令[code="java"]D:\Documents and Settings\yubao>lsnrctl trace 2LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 01-8月 -2010 18:20:26Copyright (c) 1991, 2005, Oracle. ...
2010-08-01 18:17:34
160
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