Depends on the language and what kind of software I'm working on. Building a C# app for WP7? It's trivial to toss in breakpoints and step through the code usi

Depends on the language and what kind of software I'm working on. Building a C# app for WP7? It's trivial to toss in breakpoints and step through the code using Visual Studio. Doing PHP work for some simple CRUD web app? Echo statements usually do the trick.