black codes 中文意思是什麼
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Buildings, black crows, a flood of bar codes, clone - looking businessmen, shopaholics. these images which probably symbolizes excessive, standardized and overcrowded modern cities are condensed in this animation
疊疊的建築物、烏鴉、泛濫的條碼、復制般似的商人、染上購物狂的女人這些在動畫片中的影像，概括地象徵了規范化和過度擠擁的現代城市。 -
In this paper, how to evolve the action component part of struts framework into black - box framework using java reflection and program generator respectively is discussed, taking the adding, deleting, modifying in a database in struts + ejb - kiatabase three layers architecture as an example. i first present a white - box framework based implementaion that adding, deleting, modifying a database, then how to evolve the action component part of struts framework into black - box framework using java reflection and program generator respectively in the target domain is discussed, thereby all these operations can implement without programmingjust config in a xml file, reach the objective of reducing the duplicate codes, improving the maintainability, cutting down the cost of developing applications
首先給出了基於白盒struts框架的對數據庫表的增、刪、改操作的一個實現，然後分別採用反射機制和程序生成器技術將struts框架的action組件部分在這一目標領域里進化為黑盒框架，從而使所有對數據庫的增、刪、改不再需要編程，只需在xml文件中進行相應配置即可，達到減少重復代碼的數量，提高程序的可維護性，降低開發成本的目的。
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