According to Rob, the best and the greatest software developers are:

Pessimistic in the short term: Great developers do not “assume it will work”. Even though they are optimistic about their overall success. However, they know that by being pessimistic in the short-term, their long-term success is ensured. Angered by sloppy code: People who are great at […]

I came across a useful web page about using Firefox as a web development and testing tool. Firefox has some useful built-in tools like: