1 Nuclear Medicine Department, 971 Hospital, People's Liberation Army Navy, Qingdao, Shandong, China 2 Orthopaedic Department, 971 Hospital, People's Liberation Army (PLA) Navy, Qingdao, Shandong, ...

In programming—and computer science in general—an expression is something which can be evaluated—that is, a syntactically valid combination of constants, variables, functions, and operators which ...

You have already written a “Hello, World!” program. As you can see, this isn’t very flexible—you provided the exact text you wanted to print. However, more often than not, we don’t know the values we ...

Department of Obstetrics and Gynecology, Epidemiology Center, Brigham and Women’s Hospital, Boston, Massachusetts.

expression let's say we have four times the quantity x minus y whatever X and Y are and then plus one and then I'm going to give you as a kind of like part of the problem that X is equal to negative 2 ...

I was involved in a recent discussion on the "best" way to remove a given parameter from a URL string. The conversation began with using string primitives to split and join the parameter, a method ...