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touch calls into a single UPDATE round-trip to the database. Did you know that a single call to ActiveRecord#save can result in hundreds of database round-trips? In this post I’ll show you how to fi...

[ Edit: FounderDating’s CEO, Jessica Alter, politely asked me to remove the word “spam” from the title of this post because that word implies I didn’t know a message would be sent out. I have changed ...

after_validation callback to every subclass of ActiveRecord::Base. The callback calls my whiny_validation method if any errors were detected during validation. Next, let’s take a look at the whiny_...

If you want to use HTML5’s autofocus attribute and make it work in all browsers, here’s an easy way to do it in one line of jQuery. This code will bail out and do nothing if the browser supports HTML5...