alias 别名 swift使用typealias关键词来定义类型别名,从而改变已有类型的名称。Array 数组 集合类型的一种,用来有序存储同样类型的值。Assertion 断言 swift使用断言来进行代码调试。associated value 关联值 关联值经常用来和成员值对应,在枚举中用于....
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编程语言 时间:
2015-10-10 10:24:58
阅读次数:
276
异常描述:在执行以下方法出现此异常:注:类Role 与类Function 呈多对多关联,这里是添加一个role并添加三个function@Test//fail public void add(){ Role r = new Role(); r.setRname("J...
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其他好文 时间:
2015-10-10 08:01:05
阅读次数:
228
QUESTION NO: 239
You run the following commands:
RMAN> list expired backup;
RMAN> delete expired backup;
What will happen to the backup set pieces associated with the backups that appear in the lis...
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其他好文 时间:
2015-10-09 09:24:16
阅读次数:
178
http://www.geeksforgeeks.org/g-fact-54/Every literal (constant) in C/C++ will have a type information associated with it.In both C and C++, numeric li...
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编程语言 时间:
2015-09-22 18:10:16
阅读次数:
134
常用的用法:查看已经安装的包pm list packages查看已经安装的包以及apk路径(-3:只看第三方应用; -s:只看系统应用)-f: see their associated file.-d: filter to only show disbled packages.-e: filter ...
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数据库 时间:
2015-09-18 16:48:43
阅读次数:
298
查询出来 select???? ??? request_session_id spid,??? ??? OBJECT_NAME(resource_associated_entity_id) tableName???? from???? ??? sys.dm_tran_locks??? where???? ??? re...
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数据库 时间:
2015-09-18 12:21:18
阅读次数:
176
var t = CardtypeBizCom.GetInstance().GetModelByPK(421); var t2 = Mapper.Map(t);//id没被过滤 //copyObject(t, t2); t2.Cardtypename = "4444"; CardtypeBizCo.....
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其他好文 时间:
2015-09-18 09:16:10
阅读次数:
147
文档:A value associated with an object which is referenced by name using dotted expressions. For example, if an object o has an attribute a it would be ...
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编程语言 时间:
2015-09-15 23:24:14
阅读次数:
218
?需求 ? 同一个类有多个alertView, 不同的alertView 点击确定按钮 执行的方法不同 ? alertOne 点击 确定按钮 执行 methodOne, alertTwo 点击确定按钮 执行 methodTwo 常规做法 ? ?初始化并显示 alertOne -...
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移动开发 时间:
2015-09-14 21:17:34
阅读次数:
201
Qualifier for actions in SFCIn order to configure in which way the actions should be associated to the IEC steps, some qualifiers are available, which...
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其他好文 时间:
2015-09-07 19:19:23
阅读次数:
268