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J2EE架构师之优秀枪手 - 开发调试
J2EE架构师之优秀枪手 - 会话跟踪
J2EE架构师之优秀枪手 - 系统参数
PL/SQL三种集合类型的比较        集合是指在一个程序变量中包含多个值。PL/SQL提供的集合类型如下: Associative Array: TYPE t IS TABLE OF something INDEX BY PLS_INTEGER;
1. 默认的websphere试用版安装作为一个windows服务,启动的时候会出错,所以,安装后要删除,         wasservice -remove robertNode01, robertNode01 is the windows service name.   2. Start the websphere,       startServer.bat server1   3. Console       http://localhost:9060/ibm/console   4. Sample     https://localhost:9443/ ...

J2EE Security

J2EE Security
  Windows   @echo off if %1%.==. ( echo Usage: %0% FILE_FULL_PATH SOURCE_STRING DESTINATION_STRING echo Where: FILE_FULL_PATH is the full path of the file to be replaced in echo SOURCE_STRING is string to be replaced echo DESTINATION_STRING is string to be replaced as ...
Oracle   select text from user_source   DB2   select text from syscat.tables   select text from syscat.procedures where procschema= and procname=    

cpio

Extract   cpio -i </home/robert/abc.cpio     Package   find . -print | cpio -ocv >/home/robert/abc.cpio

nohup

nohup 命令 用途 不挂断地运行命令。 语法 nohup { -p pid | Command [ Arg  ... ] [ & ] } 描述 nohup 命令运行由 Command 参数和任何相关的 Arg 参数指定的命令,同时忽略所有的挂起(SIGHUP)信号,或者修改用 -p 选项指定的进程来忽略所有的挂起(SIGHUP)信号。 在注销后还可以使用 nohup 命令运行后台中的程序。要运行后台中的 nohup 命令,添加 & (表示“and”的符号)到命令 ...
http://winywan.com/index.php/reviews/java-foundation/2009/01/05/94/ JVM参数详解以及配置调优 基本概念: PermGen space:全称是Permanent Generation space。就是说是永久保存的区域,用于存放Class和Meta信息,Class在被Load的时候被放入该区域 Heap space:存放Instance。 GC(Garbage Collection)应该不会对PermGen space进行清理 所以如果你的APP会LO ...
http://download.oracle.com/docs/cd/E12839_01/web.1111/b31974/deployment_topics.htm#CIHHFCFF http://e-docs.bea.com/wls/docs81/deployment/tools.html#1000477 http://otnbeta.oracle.com/fmw11g/582tj30eapvb/core.1111/e10043/toc.htm http://otnbeta.oracle.com/fmw11g/582tj30eapvb/core.1111/e10043/cfg ...
BufferredOutputStream is not implemented consistently between Windows and Linux.   Take this for an example,   BufferredOutputStream  bos  = new BufferredOutputStream (new FileOutputSteam);   bos.write(......);   If the bos is not closed explicitly, it doesn't work in Windows, but works wel ...
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