I had a chance to talk with the lead developer for Joind.in, an online service designed to provide speakers with efficient and timely feedback from their audience. They have a really well-designed service and I can definitely recommend it if you’re a public speaker or event organizer.
From their web site:

Like the talk? Let ‘em [...]

For those of you familiar with our link tracking service, you might have noticed with recently upgraded it with lots of new features and an account management system. Please check it out and send us your feedback!

I attended the DallasPHP group last night. The topic was “Strategic MySql” which was well presented and concise. Here’s what I took away from the presentation/discussion:

‘Limit’ statements do not reduce the size of a query. Instead it fetches the complete result set, and then serves the limited portion to you.
Rather than deleting [...]