上面数据库框输入:(DESCRIPTION =(ADDRESS_LIST =(ADDRESS
= (PROTOCOL = TCP)(HOST = 172.16.8.99)(PORT = 1521)))(CONNECT_DATA
=(SERVICE_NAME = HTFDS)))-----------...
分类:
数据库 时间:
2014-06-06 23:17:58
阅读次数:
284
OCP:05322.An index called ORD_CUSTNAME_IX has
been created on the CUSTNAME column in the ORDERStable using the following
command:SQL>CREATE INDEX ord_...
分类:
其他好文 时间:
2014-06-06 20:56:28
阅读次数:
303
Robot MotionDescriptionA robot has been
programmed to follow the instructions in its path. Instructions for the next
direction the robot is to move ar...
分类:
其他好文 时间:
2014-06-04 17:56:00
阅读次数:
247
Solon and author of the carriages, the head of
a young evident in the creation of mankind. Sales of plots awing programs and
has only grow. In mid-196...
分类:
其他好文 时间:
2014-06-03 15:40:10
阅读次数:
485
1. 指针和地址TCPL 中给指针的定义是: A pointer is a group of
cells (often two or four) that can hold an address .int value = 10;int *pvalue =
&value;上面这个语句的内存模型是:注意...
分类:
其他好文 时间:
2014-06-02 18:07:49
阅读次数:
315
Range是VBA的東西不屬excel而ActiveSheet.PageSetup.PrintArea這句是直接指向excel的printarea要求返回的是絕對值(如:$A$1)所以說{不能设置类PageSetup的PrintArea
属性},如果想用range來表達只要在後邊加上.address...
分类:
其他好文 时间:
2014-06-02 13:17:14
阅读次数:
356
在探讨Java组合模式之前,先要明白几个概念的区别:继承、组合和聚合。继承是is-a的关系。组合和聚合有点像,有些书上没有作区分,都称之为has-a,有些书上对其进行了较为严格区分,组合是contains-a关系,聚合是has-a关系。组合方式中被组合的对象生命周期不能超过整体,一般写代码时是直接在...
分类:
其他好文 时间:
2014-06-02 12:52:24
阅读次数:
224
Scope defines where in a program a variable is accessible. Ruby has four types of variable scope, local, global, instance and class....
分类:
其他好文 时间:
2014-06-02 10:37:39
阅读次数:
241
Given a linked list, determine if it has a
cycle in it.Follow up:Can you solve it without using extra
space?求链表是否有环的问题,要考虑链表为空的情况,定义一个快指针和一个慢指针,如果快指针和...
分类:
其他好文 时间:
2014-06-02 08:05:16
阅读次数:
255
4507配置:interfacePort-channel3switchportswitchporttrunkencapsulationdot1qswitchportmodetrunk!interfaceGigabitEthernet3/3descriptionFor4503-G2/3channel-group3modeauto!interfaceGigabitEthernet3/4descriptionFor4503-G2/4channel-group3modeautointerfaceVlan1ipad..
分类:
其他好文 时间:
2014-06-02 03:47:54
阅读次数:
248