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in instance和for instance
VelocityEngine 是什么包
答:
private Runtime
Instance
ri = new RuntimeInstance()来创建一个新的运行实例,这样就使得每个velocity引擎都会拥有各自的实例,互不干扰。从RuntimeSingleton类的注释来看:/ This is the Runtime system
for
Velocity. It is the single access point for all functionality
in
Velocity.It adheres to ...
如何用C#设计一个委托类?急急急!!!
答:
// Declares a delegate
for
a method that takes in an int and returns // a String. public delegate String MyMethodDelegate(int myInt); // Defines some methods to which the delegate can point. public static class MySampleClass { // Defines an
instance
method. public String MyStringMethod(...
如何解析oracle执行计划
答:
2、先执行 EXPLAIN PLAN
FOR
select * from tableA where paraA=1,再 select * from table(DBMS_XPLAN.DISPLAY)便可以看到oracle的执行计划了,看到的结果和1中的一样,所以使用工具的时候推荐使用1方法。注意:PL/SQL Dev工具的Command window中不支持set autotrance on的命令。还有使用工具方法查看...
虚拟机Linux上部署DB2pureScale过程
答:
node02#/opt/ibm/db2/V10.5/
instance
/db2icrt -cf node01 -cfnet node01 -m node02 -mnet node02 -instance_shared_dir /db2sd_20140401 -tbdev 192.168.18.2 -u db2fenc1 db2inst1 -tbdev 官方解释为:Specifies a shared device path
for
a device that will act as a tiebreaker in the DB2 pure...
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<涓婁竴椤
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