When performing a backup using Recovery Manager (RMAN), which four
types of files can be backed up with the RMAN BACKUPcommand? (Choose four.)
A. data file
B. password file
C. archivelog fi...
分类:
数据库 时间:
2014-12-29 15:21:20
阅读次数:
196
The “Python library” contains several different kinds of components.
Python标准库 包含几个不同的组件。
It contains data types that would normally be considered part of the “core” of a language, such as numbe...
分类:
编程语言 时间:
2014-12-28 11:47:53
阅读次数:
154
严重: StandardWrapper.Throwableorg.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: Connections co...
分类:
数据库 时间:
2014-12-27 17:36:41
阅读次数:
324
Functionals“To become significantly more reliable, code must become more transparent. In particular, nested conditions and loops must be viewed with g...
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其他好文 时间:
2014-12-27 16:05:34
阅读次数:
283
通过AirDrop发送一张图片或者一个文件,需要序列化实现了NSActivityItemSource的容器类实例,以NSData的数据格式传输。app发送/接收自定义的类型实例,还需要创建一个自定义的UTI,需要在Targets的info中添加两个节点:Document Types 和 Export...
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其他好文 时间:
2014-12-26 16:16:34
阅读次数:
517
一、什么是嵌套类及内部类? 可以在一个类的内部定义另一个类,这种类称为嵌套类(nested classes),它有两种类型: 静态嵌套类和非静态嵌套类。静态嵌套类使用很少,最重要的是非静态嵌套类,也即是被称作为 内部类(inner)。嵌套类从JDK1.1开始引入。其中inner类又可分为三种:...
分类:
编程语言 时间:
2014-12-25 11:15:44
阅读次数:
284
“The content of element type "package" must match "(result-types?,interceptors?,default-interceptor-ref?,default-action-ref?,default-class-ref?,global...
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其他好文 时间:
2014-12-24 20:06:33
阅读次数:
134
operator is not a known binary operator swift 语法错误笔记
error: operator is not a known binary operator
for x in 1..10
版本更新,开区间 改为 “..
var arr = String[]()
array types are...
分类:
编程语言 时间:
2014-12-23 13:57:58
阅读次数:
432
view types - view常见类型Align : 校准。创建校准限制,比如将一个view在他的容器中居中或者校准两个view的左边缘Pin: 创建间距限制,比如定义一个view的高度或者指定他到另一个view的水平距离。Resolve Auto Layout Issues: 通过添加或者重新...
分类:
移动开发 时间:
2014-12-22 16:03:50
阅读次数:
225
The loss of which two types of files may require a recovery with
the RESETLOGS option?(Choose two.)
A. control files
B. password file
C. archived log files
D. system-critical data files ...
分类:
数据库 时间:
2014-12-21 22:08:34
阅读次数:
249