Some developers and admins complain that the new Wordpress admin bar is getting in the way. A few simple lines of code will help you get rid of it quickly.
Yes, Akismet can be of huge help when fighting with comment spam, but it can’t help against the most sophisticated auto-commenting tools which make fake comments look very real.
Often your MySQL database is so large that if you want to find and replace a given entry, it will take days. This is when this simple snippet comes handy: