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     摘要: Study of discussions on Internet about Vaadin + Hibernate  閱讀全文

     摘要: 帶有版本標(biāo)記的 Optimistic Concurency Control 是唯一既能提供高度并發(fā)，又能提供可擴(kuò)展性的解決方案。就是說，很多人可以一起對一些數(shù)據(jù)同時進(jìn)行操作，而這些操作又盡量不會造成互相沖突。Hibernate Reference 第11章11.3 講述 Hibernate 進(jìn)行 Optimistic Concurrency Control 的方法。本文是我對該小節(jié)閱讀后的總結(jié)和理解。

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     摘要: This article examines com.vaadin.data pacakge - the data source model for vaadin - and provide a summary. It also examine the relationship between data source and some UI classes.
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     摘要: Run hibernate tools "hbm2ddl" to generate schema DDL into "schema.sql" from annotated entities. Step by Step!  閱讀全文

     摘要: You shall set oracle.jdbc.V8Compatible=true when using higher version JDBC driver to access 8i databases, or strange things will happen.  閱讀全文