C#基础
http://www.cnblogs.com/luminji/category/260070.html

 线程
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.Net 4.0 Parallel 编程之旅
http://www.cnblogs.com/Henllyee/archive/2011/06/06/net_parallel_programing.html

.Net线程问题解答
http://www.cnblogs.com/yizhu2000/archive/2008/01/03/1011958.html

配置
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.NET 2.0解谜系列索引帖
http://www.cnblogs.com/skynet/archive/2010/04/02/1703380.html
原文:The configuration collection cascade
http://www.codeproject.com/Articles/16466/Unraveling-the-Mysteries-of-NET-2-0-Configuration

.Net 自定义应用程序配置
http://www.tracefact.net/CLR-and-Framework/Custom-Application-Configuration.aspx

在.net中读写config文件的各种方法
http://www.cnblogs.com/fish-li/archive/2011/12/18/2292037.html

自定义web.config节点
http://wenku.baidu.com/view/0899c9620b1c59eef8c7b4b0.html

asp.net夜话之十一:web.config详解
http://blog.csdn.net/zhoufoxcn/article/details/3265141

日志
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log4net使用详解
http://blog.csdn.net/zhoufoxcn/article/details/2220533 http://blog.csdn.net/zhoufoxcn/article/details/6029021

Log4Net使用指南
http://www.cnblogs.com/tomcat8/admin/EditPosts.aspx?opt=1