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After reading some material about how to improve the performance with MySQL database, I gather the info and summarise here. The configuration covers from Disk driver, operating system, connectivity, MySQL Server to MySQL database. For MySQL Database, more details about different database engine conf 阅读全文
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1. Introduction1.1 Web Service ConceptA WebServiceis a software application that is available over the Internet, whichis accessible through standard-based Internet protocols such as HTTP.The main purpose ofWeb service technologies is to allow applications on differentplatforms (including different s 阅读全文
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Summary1.1 what is JPAJPA is short for Java Persistence API, which is one of the Java EE 5 specification. it standardize the ORM persistence technology for Java developers. It is not a product but an interface. 1.2 why use JPA - JPA isstandardized specification and part of EJB3 specification - Many 阅读全文
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Summary 1.1What Is JTA1.1.1 What Is JTA JTA is short for Java Transaction API, it is one of the Java EE API s allowing distributed transactions to be done across multiple resources in the Java environment. It is a high-level API which defines interfaces between a transaction manager and the parties 阅读全文
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1. general description2.how to usesavethe schema file as *.xsd.xmlns:xsi=http://www.w3.org/2001/XMLSchema-instancexsi:namespaceSchemaLocation="shiporder.xsd"3.element classificationContentmodule in schema empty:no children elements nor text nodes. simple:only text nodes are accepted. compl 阅读全文
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What is XMLXML is not itself a language, it is a set of rules to build a markup language for containing and managing information.XML does not have any pre-defined markup.XML allows you to define customized markup(element,attribute) by yourself.SarahReminderDon't forget to recharge K-9twice a day 阅读全文
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由于部署在sinaapp上面的博客消耗资源太多，决定还是迁回博客园 阅读全文