We were thinking about building a virtual file system in SQL. There are several knowns 开发者_运维知识库ways of achieving file system like structures in SQL (Materialzed path, adjency lists ...).
I have a tree structure 开发者_如何学Cin MySQL using a parent_id field for each node. The structure is quite large but only about 8 levels deep. Each node also has a child_counter field.
I\'m not sure if it\'s a duplicate question, but I couldn\'t find anything on this subject. What\'s the best way for storing tree structure in a table with ability to store history of changes in that
I am trying to make a tree template that can have any number of children on each node. This is my code for an addChild function in the node class -
I have a non-UI use for a so-called \"k-ary\" tree in my Java application and was wondering if the javax.swing.tree package was the right tool for the job, even though its packaged with Swing.
I\'ve got a point cloud, and would like to detect occurrences o开发者_JAVA百科f certain patterns of points in my code.
What is the most complete n-ary tree implementation for C++ ? I need a simple (not boost BGL please) implementation to use in a project compatible with LGPL, so the Tree.hh 开发者_StackOverflow中文版d
I 开发者_高级运维was messing arround with code and i can\'t figure out to do this: I have a Table in the database like this:
My question is relativly simple. Does anybody know a free library (LGPL) that is capable of unzipping a zipped file structure into a TreeMap (or a similar iteratable structure) fo开发者_StackOverflow社
When dealing with directed graphs, a tree is a graph in which every node except one (the root) has a single incoming edge?Are there any examples of treelike stru开发者_运维问答ctures in which every no
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