Wednesday, March 2, 2011

c# Face Detection/Face Recognition Library

Although there is a OpenCVDotNet to wrapper OpenCV with C# language, it seems very difficult for common users to implement Simple Face Detection/Face Recognition as a simple way.Now you don't need to worry about it, because there is a developer has built a pure C# Face Detection Library.

Tuesday, March 1, 2011

Difference Between Explicit Join And Implicit Join?

Difference Between Explicit Join And Implicit Join? In theory, yes; in practice, no. The SQL-92 Standard says that the infixed join notation is executed in left-to-right order in the FROM clause. But the optimizer is free to re-arrange the query as long as the results are the same.