How do programmers practice code reuse

Question

I\'ve been a bad programmer because I am doing a copy and paste. An example is that everytime i connect to a database and retrieve a recordset, I will copy the previous code and

Answer 1

It depends somewhat on what programming language you're using. In most languages you can

1. Write a function, parameterize it to allow variations
2. Write a function object, with members to hold the varying data
3. Develop a hierarchy of (function object?) classes that implement even more complicated variations
4. In C++ you could also develop templates to generate the various functions or classes at compile time