Best IT/back-office system hacks?
automation, scripting
Solution
We had one developer in our team who wasn't familiar with the concept of a subversion conflict. He deduced that if he simply deleted all that weird stuff in his code and clicked resolve that everything was ok (i.e. knocking out all the other changes in the file....)
Regardless to say, after the 5th time this occurred, and the 5th time that I had to explain why that defect that I just closed was reoccuring, I wrote a script.
It would diff for the changes to a file to see whether the consecutive checkin deleted all the previous changes and that they were done by the nameless developer.
It would then send an email to the boss with a description of what happened, and how much work was lost during the checkin.
There was no 7th occurrence.
Problem
Lots of people have things that their systems do for them or for their teams. Source control post-commit hooks are a standard example: have an automated build system that checks out the latest source, compiles, tests, and packages it is a back-office hack that most of us probably use. What other cool things have you done?