摘要:
使用O/R Mapping的理由 Traditionally, object oriented business objects and relational databases have differing ways of structuring data. As a result of this impedance mismatch, developers are forced to de... 阅读全文
摘要:
很早以前就买了一本Gang of Four的那本Design Patterns—Elements of Reusable Object-Oriented Software(1995),也许是因为水平不够,也许是因为对C++已经淡忘了,所以一直没有能看得下去。 昨天在微软网站上看到了两篇有关设计模式的文章,一篇谈到的是Factory Design Pattern,另外一篇谈到的是Observer... 阅读全文