I don\'t have a background in CS or data structures. I want to make a PHP class that stores a modified preorder transversal tree, for manipulation and syncing with a database.
Is there a helpful tool or script resource to aid conver开发者_开发问答sion from old-school adjacency list tables to MPTT?
I\'m looking for a good way to store and use hierarchical (parent/child) data in Django. I\'ve been using django-mptt, but it seems entirely incompatible with my brain - I end up with non-obvious bugs
I\'m attempting to use django-mptt with very little luck. This is with Python2.5, windows, sqlite3, Django 1.2pre , django-mptt latest from 开发者_开发技巧svn.
My first post here! Seems like this is the place to get wise ;) I am currently in the middle of some testing with my first ever attempt to try the MPTT (Modified Preorder Tree Traversal) approach to
In CakePHP, how do you select just a subtree in a model which actsAs tree? I tried this, to find the tree headed by the item with label = \"My Label\"
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