Adam Lee questions

• How to get the depth of field effect using OpenGL?
• what's the main difference between B-Rep and Parametric representation
• Is there any difference between the following two?
• Does ifstream support UTF8?
• why the result is global name , is this caused by "this"?
• Is dylib the same as dll in the windows?
• Does singleton means hashcode always return the same?
• why we cannot access static members from instance object?
• How to use typedef to alias C++ arrays? [closed]
• why this is output as the following?

Adam Lee answers