I would lik开发者_JAVA技巧e to use a nested set to manage the navigation of a website. Would it be better to have a single page model and just make the parent names define the sections of the site or
I have a tree structure in a .csv file (nodes are of type text), and after reading the csv i want to store the data in a ruby object. I went through a few tree plugins and i think nested_set would ser
I read this article Managing Hierarchical Data in MySQL At the end of this article, it writes about PHP libraries for ha开发者_如何学Gondling nested sets in MySQL.
I\'m implementing a threaded comment system for topics ie there is a topic and then threaded comments on each topic.
How do you query a nested set model with multiple roo开发者_运维知识库ts, such trees in the same table? Currently, I added an extra column called the \"Root\" indicating the ID of the root node for al
I have hierarchical data in a nested set model (table:projects): My table (projects): id, lft, rgt 1, 1, 6
I\'m using Symfony 1.2 with Doctrine. I have a Place model with translations in two languages. This Place model has also a nested set behaviour.
I\'ve been using the adjacency model for hierarchical data for the longest time and was searching the internet for a more efficient way to traverse trees until I read about Nested Sets yesterday. I li
I am using Ruby (Ruby on Rails) and have a nested set of about 2000 nodes. Each node can only have two children.
I have a data structure that is basically a tree using :wesome nested set: class category acts_as_nested_set