Do you have any good advice/links to a set of coding standards or best practices to follow?

Question

For those of us that have programmed enough I’m sure we have come across many different flavours of coding standards that you can use when it comes to programming.

e.g.

Answer 1

If you are maintaining code that continue to use the same standard as the original code was developed in (there is nothing worse then trying to debug a problem when the code looks all higgildy piggeldy)