Top "Hierarchy" questions

how to encode this data to parent / children structure in JSON

I am working with d3.js to visualise families of animals (organisms) (up to 4000 at a time) as a tree …

javascript json d3.js hierarchy treemap

How should a REST URL schema look like for a tree hierarchy?

Let's assume that I have stores, shelves in a store, and products on a shelf. So in order to get …

url rest schema hierarchy

Use d3 log scale instead of linear scale

I'm trying to do a chart based on http://mbostock.github.com/d3/talk/20111116/bar-hierarchy.html, the only difference being …

javascript d3.js hierarchy bar-chart

MySQL Nested Sets - How to find parent of node?

I have your run of the mill nested set hierarchy type setup with the following columns: table name: myset columns: …

sql mysql hierarchy nested-sets

Oracle: Connect By Loop in user data

I understand when a loop can occur in Oracle. Theoritically it says if a record is both parent to another …

oracle hierarchy hierarchical-data

Collapse/expand child nodes of tree in d3.js?

I'm building a tree structure (or rather modifying one of the examples with a set of my own data in …

d3.js hierarchy force-layout

Building hierarchy objects from flat list of parent/child

I have a list of items in a hierarchy, and I'm attempting to parse this list out into an actual …

.net hierarchy mptt nested-sets

Getting hierarchy data from self-referencing tables

Let's say you have the following table: items(item_id, item_parent) ... and it is a self-referencing table - item_…

mysql sql recursion hierarchy

C# algorithm for generating hierarchy

I've got a text file that looks like this: { Id = 1, ParentId = 0, Position = 0, Title = "root" } { Id = 2, ParentId = 1, Position = 0, Title = "child 1" } { Id = 3, …

c# algorithm hierarchy hierarchical-data

How to set parentViewController in UIViewController?

The parentViewController property of UIViewController is readonly, but I am nesting custom view controllers and would like to use this …

iphone cocoa-touch uiviewcontroller hierarchy parentviewcontroller