nested-sets

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Getting nested set model into a <ul> but hiding "closed" subtrees

Based on Getting a modified preorder tree traversal model (nested set) into a <ul> One of answers gave right code to display full tree. What i need is to always show first level (depth=0) and s[详细]

2023-04-12 19:43 分类：问答
Hierarchy commenting system php

i want to do discus/reddit/ like commenting system, i have an \"id_answer\" (set to 0 by defaut) field in my comment database and when user answer to another comment this field is the \"id\" of the pa[详细]

2023-04-12 13:03 分类：问答
Sorting / Grouping records for pagination with many association-based restrictions

I\'m working on an application which acts as a places directory and (currently, but 开发者_StackOverflowmaybe not always) allows filtering of a particular businesses\' venues based upon 1 city, 1 neig[详细]

2023-04-11 18:38 分类：问答
EF Code-First and nested sets

I would like to create a nested set model inside my database. However, I have a pr开发者_JS百科oblem, \'cause I don\'t know how to start the implementation using Entity Framework Code-First.[详细]

2023-04-10 11:08 分类：问答
Nested set INSERT operation for SQLite

I am trying to implement the nested-set model for a sqlite database. So far I have implemented getting leaf nodes, finding subordinates etc.[详细]

2023-04-10 09:04 分类：问答
Hierarchical data - Parent id or Nested set model

I\'m working on a project that required categories, I used a neste开发者_高级运维d set model and it worked out well.I have another portion of the same project, however it requires a different type of[详细]

2023-04-10 08:27 分类：问答
jsTree - is it possible not to use nestedSets in the DB?

Nested Sets are to complex for my small application, so I would like to use the Adja开发者_如何学Ccency Model. My child node will know the father node and have an order nr. Is jsTree coupled to the ne[详细]

2023-04-03 05:03 分类：问答
get all products of category and child categories (rails, awesome_nested_set)

having an e-commerce application under development i am trying to get my head around the following problem:[详细]

2023-04-02 22:36 分类：问答
awesome nested set for rails 3 using mongomapper

i want to use awesome nested set for rails 3 using mongomapper in my app.i have seen mongo nested set gem and added it to my gemfile and bundle install.[详细]

2023-03-28 20:30 分类：问答
Mathematica Tables sets

I have three tables X,Y,Z. While X & Y define my grid points the Z depends on every point of X and Y.[详细]

2023-03-28 18:20 分类：问答