码迷,mamicode.com
首页 >  
搜索关键字:objects    ( 3239个结果
Class attributes
In order to print Card objects in a way that people can easily read, we need a mapping from the integer codes to the corresponding ranks and suits. A ...
分类:其他好文   时间:2014-10-03 16:16:04    阅读次数:206
Type-base dispatch
In the previous section we added two Time objects, but you also might want to add an integer to a Time object. The following is an alternative version...
分类:其他好文   时间:2014-10-03 00:43:13    阅读次数:212
oracle中schema指的是什么?
看来有的人还是对schema的真正含义不太理解,如今我再次整理了一下,希望对大家有所帮助。我们先来看一下他们的定义:A schema is a collection of database objects (used by a user.). Schema objects are the logic...
分类:数据库   时间:2014-10-02 20:11:13    阅读次数:232
Modifiers
Sometimes it is useful for a function to modify the objects it gets as parameters. In that case, the changes are visible to the caller. increment, whi...
分类:其他好文   时间:2014-10-02 14:14:33    阅读次数:232
Pure functions
In the next few sections, we’ll write two versions of a function called add_time, which calculates the sum of two Time objects. They demonstrate two k...
分类:其他好文   时间:2014-10-02 11:48:22    阅读次数:116
oracle死锁解决常用方法(屡试不爽)
--1.查询被锁的情况 select object_name,machine,s.sid,s.serial# from v$locked_object l,dba_objects o ,v$session s where l.object_id = o.object_id and l.session_id=s.sid; --2.用下面语句kill掉死锁的进程 al...
分类:数据库   时间:2014-09-30 16:37:31    阅读次数:352
Objects are mutable
We can change the state of an object by making an assignment to one of its attributes. For example, to change the size of a rectangle without changing...
分类:其他好文   时间:2014-09-30 02:18:01    阅读次数:190
Learning JavaScript Design Patterns The Observer Pattern
The Observer PatternThe Observer is a design pattern where an object (known as a subject) maintains a list of objects depending on it (observers), aut...
分类:编程语言   时间:2014-09-29 03:15:49    阅读次数:287
标量子查询优化外连接
同事发来2个语句,说语句1跑得慢,语句2很快就出结果。一执行,果然很慢。仔细发现,2个语句不等价。 语句1: select l.*,o.object_name from v$locked_object l left join all_objects o on l.object_id=o.object_id; 语句2: select l.*,o.object_name from v$...
分类:其他好文   时间:2014-09-25 12:15:08    阅读次数:350
nagios+centreon总结之第八章——Centreon 添加nagios检查命令
5.使用centreon命令之Commands详细使用,请参考:http://documentation.centreon.com/docs/centreon-clapi/en/latest/user/objects/commands.html#使用centreon的commands参数,可以增、删、改nagios的检查命令。①.列出可用的Nagios命令,使用SHOW动作:1)、命令:centreon-u..
分类:移动开发   时间:2014-09-24 16:59:28    阅读次数:365
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!