摘要：
Why is programming fun? What delights may its practitioner expect as his reward? First is the sheer joy of making things. As the child delights in his mud pie, so the adult enjoys building things, esp... 阅读全文
摘要：
For nearly ten years, the Unified Modeling Language(UML) has been the industry standard for visualizing, specifying, constructing, and documenting the artifacts of a software-intensive system. As the ... 阅读全文