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JackyCheng2007
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Projects vs. Operations There's a fine line between projects and operations, and often these separate entities overlap in function. Consider the following points shared by projects and operations: Both involve employees Both typically have limited resources: people, money, or both Both are hopefully ...
Before we intend to learn about Project Management, it's required to know about the conception of Project first. What is a Project? A project is a temporary endeavor undertaken to create an unique product, service or result. 1. Temporary Every project, not the created deliverable product, service ...
After some experience on project development including coding and project managing, I feel it's time to study some professional knowledge of project management. PMP, Project Management Professional, is no doubt the most useful materials to study. What is Project Management? Project management is th ...
        你曾经需要应用执行一个任务吗?这个任务每天或每周星期二晚上11:30,或许仅仅每个月的最后一天执行。一个自动执行而无须干预的任务在执行过程中如果 发生一个严重错误,应用能够知到其执行失败并尝试重新执行吗?你和你的团队是用java编程吗?如果这些问题中任何一个你回答是,那么你应该使用 Quartz调度器。 旁注:Matrix目前就大量使用到了Quartz。比如,排名统计功能的实现,在Jmatrix里通过Quartz定义了一个定时调度作业,在每天凌晨一点,作业开始工作,重新统计大家的Karma和排名等。 还有,RSS文件的生成,也是通过Quartz定义作业,每隔半个小时生成一次R ...
Opensymphony(http://www.opensymphony.com)是一个很好提供开源项目的组织。同Jakarta相比,这里的组件(Component)更多的是精致小巧的设计,它们尤以简单易用和可插拔的灵活性见长。  OSCache: J2EE Caching机制。它主要用于JSP Caching、Request Caching、General-Purpose Cache三个方 面。在JSP Caching、Request Caching方面,OSCache能够解决动态网站的基本问题:缓存动态内容、缓存二进制内容、错误包 容。在General-Purpose Cache方面,在J ...
XScreenSaver是一个执行在X Window系统下的屏幕保护程序,它还能帮你锁定屏幕(分为:立即锁定、在比较长的空闲时间之后锁定、在需要的时候锁定),以防止他人未经许可就使用你的电脑。 Note:  root 用户不支持屏保,除非做特殊的 ...
OSCache is a widely used, high performance J2EE caching framework. Overview OSCache is a caching solution that includes a JSP tag library and set of classes to perform fine grained dynamic caching of JSP content, servlet responses or arbitrary objects. It provides both in memory and persistent on di ...
今天开始写blog 身体是最重要的,每天花点时间锻炼身体是必须的。 以前老是说没有时间,其实是借口,锻炼身体并不会用多少时间,最浪费时间的其实是犹豫和无聊。
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