EF4 POCO: Snapshot vs Self-tracking over WCF

Last year I developed a data access service for our project using Entity Framework (.NET3.5 of course) and using Julie Lerhman\'s book as a guide developed state tracking POCO objects. We use WCF and

Should there be 2 datatables for a Parent and Child class in Java?

I have two classes Parent and Child. class Child extends Parent { private String extraField1; private String extraField2;

清润快餐店？

延政勋再次谈起了自己与妻子当年的恋爱小细节？

自从延政勋出演了《两天一夜4》之后，妻子韩佳人经常会在节目中被cue到，虽然没有出演节目，却差不多是半固定的成员。每次有韩佳人的话题，节目的收视率都会飙升，所以节目组也很喜欢成员们聊韩佳人，不得不说国民女