摘要: 本文讨论了实际工作中单元测试实践和测试驱动开发的感受和困惑，并试图通过研究业界实践来回答如下问题：为什么要进行单元测试，对谁进行单元测试，怎么进行单元测试。  阅读全文      摘要: This message is a summary based on a very good article (http://www.ibm.com/developerworks/java/library/j-ts1.html?S_TACT=105AGX02&S_CMP=EDU) and focusing on common mistakes when implementing transactions in the Java platform. The original article is aimed to discuss Transaction Strategy. Here, we just want to discuss the common mistakes on transaction management.   阅读全文      摘要: 从今天开始，本人将逐章翻译《剖析SQL Server执行计划（Dissecting SQL Server Execution Plans）》一书。该书是系列丛书《高性能SQL代码的艺术》的第一本，来源于http://www.infoq.com/news/2009/03/SQL- Performance。该书由SQL Server专家Grant Frltchey编写，并颇获好评。  阅读全文