Use the links, if you want to get in touch.

Needless to say, the following is as optional as optional can be on a site built on volunteer contributions, but if you'd like to say thanks for answers that helped you, you can

Some of my answers have a net negative score, even though I believe them to be correct and (hopefully) helpful. I invite you to take a look and weigh in (verbally), so that they can either be improved or - if warranted - deleted; keep in mind that at least some of these answers have suffered the Meta effect, as a result of this discussion on Meta SO:

Run the query now.