Often times when doing web development one has the need to categorize things. And not only basic categorization, n-deep hierarchical categorization. I’ve already discussed storage and retrieval of such data, but there comes a time when one needs to display this information. Sometimes people build systems to only account for their current requirements. If the [...]

I recently had fun with an all-to-common issue with SQL driven websites: hierarchical data. For those who don’t like big words, think trees. Other people have already discussed storage methods, and I would actually highly suggest you read the writeup if you haven’t already. While it is fairly straightforward to deal with, in our case [...]