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    引言: Hypertext is wonderful. It allow
 

 

    摘要:enterprisedb, based in edison, new jersey, has developed an open-source database approach built on postgresql and offering oracle compability. andy astor, co-founder and ceo said the company will offe......
 ·jdbc基础教程之概述    »显示摘要«
    摘要:1.1 什么是 jdbctm?   jdbctm 是一种用于执行 sql 语句的 javatm api(有意思的是,jdbc 本身是个商标名而不是一个缩写字;然而,jdbc常被认为是代表 “java 数据库连接 (java database connectivity)”)。它由一组用 java 编程语言编写的类和接口组成。jdbc 为工具/数据库开发人员提供了一个标准的 api,使他们能够用纯ja......


Putting JavaScript Bookmarks to Work @ JDJ
hypertext is wonderful. it allows the webmaster to link from any page to millions of other computers all over the world. unfortunately, the web pages you find will only have the links that were placed by the webmasters. what if you want more information about a word or a phrase on a page and theres no link?

this brief article shows how to add javascript code to your bookmarks - or favorites - thereby allowing you to do some fancy linking where no links exist.

for example, if a web page contains the word ennui and you want a definition for it, you could hunt through your bookmarks for websters dictionary, go there, type the word in, go back to your original page, check the spelling of the word, find your way back to the dictionary again and then type it in correctly. instead, this tiny program allows you to select a word and use a bookmark to search the dictionary for it. a click to your browsers "back" button and youre back again (see listing 1).

to put this code into a netscape bookmark, first create a new bookmark in your personal toolbar folder (or anywhere else). then edit bookmarks and change the properties of your new bookmark. change the name to "webster for" and the location (url) to that javascript code, starting with the javascript: tag instead of the usual http:// tag. now double-click on a word from any document and you can look it up in the dictionary with one click.

this works because of a new feature added to netscape navigator 4.0: the abili
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    摘要:出自:yesky 设计  当已经考虑了所有的技术细节和限制条件,我们就可以进入设计阶段,设计阶段需要展开和细化分析模型。设计的目的是为了说明一种可以很容易地翻译成程序设计代码的工作解决方案。  设计阶段可以分成两部分:  1、结构设计 这是非常高级的设计,说明在什么地方定义包(子系统),以及包与包之间的相互依赖与通信机制。自然,我们的目标是构建一种清晰而又简单的体系结构,包与包之间的依赖要少,如果......
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