摘要： 在多道程序环境下，存在着临界资源，它是指多进程存在时必须互斥访问的资源。也就是某一时刻不允许多个进程同时访问，只能单个进程的访问。我们把这些程序的片段称作临界区或临界段，它存在的目的是有效的防止竞争条件又能保证最大化使用共享数据。而这些并发进程必须有好的解决方案，才能防止出现以下情况：多个进程同时处于临界区，临界区外的进程阻塞其他的进程，有些进程在临界区外无休止的等待。除此以外，这些方案还不能对......
摘要： org.apache.commons.httpclient.hostconfiguration hostconfig = new org.apache.commons.httpclient.hostconfiguration(); hostconfig.sethost("www.youkone.com"); org.apache.commons.httpclient.http......
Processing Sequentially Through a Set of Recordsnovember 19, 2003t-sql programming part 3 - processing sequentially through a set of records 【程序编程相关:
软件架构师之我见】 【推荐阅读:
使用PB调用API自动更新（非FTP模式】by gregory a. larsen 【扩展信息:
使用PB调用API自动更新（非FTP模式】
at some point you will have some business logic that will require you to process sequentially through a set of records one record at a time. for example you may have a list of databases, and for each database you may want to build a command that will perform some process against each database. or you might have a set of records where you want to process through each record one at a time, so you can select additional information from another table based on the information contained in each record. this article will discuss two different ways to process through a set of records one record at a time.
using a cursor
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下一页 摘要：chm版 java api 文档下载地址:
http://www.allimant.org/javadoc/indexe.html
eclipse 下载地址:
http://eclipse.org/downloads/index.php
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