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【转】GMF Labels
GMF Labels
From Eclipsepedia
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Labels represent pieces of text possibly associated with icons on diagram surface. Text may be edited using inplace facility. There are many po ...
hibernate3 second level cache
HibernateTemplate and Session(base on id)
get() and load() :
second level cache same valid because base on id,first search object by query ID
common use if lazy=true load() will r ...
Checked vs UnChecked Exception ,使用场合?
Checked vs UnChecked 异常 ,使用场合?异常的概念 任何的异常都是Throwable类(为何不是接口??),并且在它之下包含两个字类Error / Exception,而Error仅在当在Java虚拟机中发生动态连接失败或其它的定位失败的时候,Java虚拟机抛出一个Error对象。典型的简易程序不捕获或抛出Errors对象,你可能永远不会遇到需要实例化Erro ...