zhijin

在数据库服务器命令行输入：sqlplus /nolog 回车(Enter)后再输入 connect /as sysdba这样就连上数据库了。接下来的事会做了，重新设置密码。 C:\Documents and Settings\zyao>sqlplus /nologSQL*Plus: Release 10.2.0.1.0 - Production on Tue Sep 14 1...

SingleFileAudioPlayer streams audio to a file. The SingleFileAudioPlayer doesn't write to the file until its close method is called. When an application calls setAudioPlayer on a voice, it ...

工作中遇到BigDecimal格式化问题，手中无jdk手册，只好百度一下，这种问题，用百度还是找得到滴。 解决如下：      /**     * Fortmat BigDecimal while the number is too long.     * for example: the param value = 1222222.222222,      * a...

一日， 用eclipse 同步SVN服务器宛然无法访问了:org.tigris.subversion.javahl.ClientException: RA layer request failedsvn: Server sent unexpected return value (403 Forbidden) in response to OPTIONS request for 'https...

  常常需要在两个Document中互相复制Element，可是Dom4j中使用Element.add(Elemnet)方法就会出现出题的错误： "The Node already has an existing parent"  查看AbstractElement.java的源码，得到解决办法：调用Element的clone()方法。  Element a...

Tracing route to some host. In command line, type tracert [Host] For example: tracert www.google.com   C:\Users\zyao>tracert www.google.com Tracing route to www.l.google.com [17...

CreateProcess error=740, The requested operation requires elevation WIN7 64位操作系统，帐户是域帐户。 在命令行调某些.exe的时候，报这个错.. 猜大概可能是权限问题。  解决方案：点击开始菜单-输入cmd-右击-以管理员身份运行。在cmd窗口中切换到相应的目录，运行即可。...