right to use log4j for a full description and to explain, log4j is a good refere...

潜谈GIS的发展现状和发展趋势。同本问你应该会对GIS的开发有了进一步的认识-On the development of latent GIS status quo and development trends. With the question you should have further development of GIS awareness

QuartusII软件的简介，包括Verilog VHDL 语言的基本语法-QuartusII software profiles, including the basic syntax of Verilog VHDL language

oracle的入门心得-experience

这是一个对QGIS开源说明的文档，有助于地理信息系统人在上面开发实现-This is an open-source description document QGIS help people in geographic information systems development to achieve the above

有很多与Linux相关的使用技巧，对初学者非常有用。

几本很不错的电子书 1.SQL语言参考大全(CHM版) 2.设计模式迷你手册（有C++和c#的例子） 3.正则表达式系统教程-Several very good e-book 1.SQL Language Reference Book (CHM version) 2. Design Pattern Mini-Manual (has C++ And c# Example) 3. Regular Expression System Guide

对于目前最热门的网络编码技术，Ivo Adan and Jacques Resing几个大牛写的一本基础知识介绍的书，经典！-For the most popular network coding techniques, Ivo Adan and Jacques Resing several large cattle write a basic knowledge described in the book, classic!

有了单片机基础,可以做一些应用的例子,来提高单片机的应用水平-With single-chip basis, you can make some examples of applications to enhance the level of single-chip applications

asphelp是ASP帮助文档-asphelp help documentation

OSWorkflow的开发指南与中文手册，以及2.8的流程定义DTD，是学习OSWorkflow的入门必备-OSWorkflow the development of guidelines and English manuals, as well as 2.8 of the flow definition DTD, it is necessary to study entry OSWorkflow