A friend of mine — a medical doctor, no less — once told me that he convinced a friend to take a college exam for him. Someone who takes the place of someone else is known as a proxy. Unfortunately ...

Take advantage of the proxy design pattern to provide a convenient placeholder for accessing a remote, complex, or protected object Design patterns are used to solve the recurring problems and ...

The Service Annual Survey (SAS) is a business survey conducted annually by the U.S. Census Bureau that collects aggregate and detailed revenues and expenses data. Typical of many business surveys, the ...