I learned about the PHP parse_url function today. I’ve wasted a lot of time not knowing about that!
Read an article today called A fast and furious guide to MySQL database engines which talks a little bit about how MySQL database engines work.
One thing I learned which I didn’t know before is that you should run OPTIMIZE TABLE from time to time on your MyISAM database tables.
Read an article about Database Sharding from CodeFutures.
Was doing some research into scaling web applications and came across this diagram of Wikimedia’s servers.