Questions tagged [tree-structure]
110 questions
1
vote
1 answer
Parse flat array into a nested structure (tree)
For example, I'd like to parse the following array:
var array1 = ["a.b.c.d", "a.e.f.g", "a.h", "a.i.j", "a.b.k"]
into:
var json1 = {
"node": "a",
"leaf": false,
"children": [{
"node": "b",
"leaf": false,
…
luthien
- 1,285
- 3
- 15
- 26
1
vote
0 answers
ObjectListView - TreeListView expand different lists in tree structure
I try to expand multiple lists in my tree structure.
Let's say I have the following classes. I have the class Product, which contains a list with its children. This is my actual tree structure.
class Product
{
int prodID;
string…
user3515431
- 11
- 4
1
vote
0 answers
How to go about not getting certain data from a JOIN
First off this is a project management database I'm messing with. So I have 3 things I want to JOIN together a planning_entity and two subqueries. These subqueries get apart of a tree structure. The parts of the tree structure I want are Project,…
apkisbossin
- 336
- 1
- 3
- 16
1
vote
1 answer
Cannot read property "match" (nestedSortable)
I have a tree structure that I'm trying to sort with a jQuery nestedSortable plugin.
Here you can see my code and a working example:
$(document).ready(function(){
$('.sortable').nestedSortable({
handle: 'div',
items: 'li',
…
Sam
- 472
- 1
- 8
- 19
1
vote
1 answer
Understanding HeirarchyId Node a little better
I am looking at HeirarchyId in SQLserver 2008 and referring to the following document:
http://www.codeproject.com/Tips/740553/Hierarchy-ID-in-SQL-Server
As far as I understand a statement like
INSERT INTO H (Node, ID, Name)
VALUES…
Lost
- 12,007
- 32
- 121
- 193
1
vote
0 answers
In Ext js, how to store the tree's nodes' info (i.e. tree structure) on drop operation (i.e. after changing the tree structure)?
I'm new at Ext JS.
I have created a tree structure and I am loading the tree store using ajax with the json data from .php file.
When I drag any node and drop on some other node, this functionality visibly works properly, but after refreshing the…
yogi
- 11
- 2
1
vote
2 answers
sql query get all children and grandchildren
What is proper way to get all children and grandchildren or n-generation children.
for children and grandchildren my query is like below:
SELECT e1.ID, e1.LName + ', '+e1.FName
FROM lstEmp e1 INNER JOIN lstEmp e2 ON e1.Supervisor = e2.ID
Where…
Ag Long
- 75
- 2
- 8
1
vote
1 answer
What is the ideal Grails class domain for this tree structure
I'm developing a website that need categories with sub categories.
My current domain class is:
package com.abc
class Category {
String title
String description
Category parent
static hasMany = [children: Category, listing:…
Dody Rachmat Wicaksono
- 986
- 13
- 11
1
vote
2 answers
Python TreeStructure (parent and children) class, children gets appended to it's own children?
I'm coding a TreeStructure (TS) class, which lets me create parent and child objects, which are linked to each other. Every TS -object has m_parent attribute, which is controlled with parent property, and also they have children list, which holds in…
user1632861
0
votes
2 answers
Creating a tree datastructure - different approach
In the passed I've asked many questions about tree datastructures, but it seems I didn't take it to the correct manner in C++.
In the way I wrote the datastructure I couldn't think of a single manner on how to have an "end" or "begin" iterator. As…
paul23
- 8,799
- 12
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- 149
0
votes
1 answer
Rails 3, MySQL, tree structure
I need to one of my project use a tree structure. I found this link and I tried it to use. My table structure looks this:
id
user_id
parent_id
lft
rgt
When I try to create a root, so I will do this:
save_tree = TreeStruct.create!(:user_id =>…
user984621
- 46,344
- 73
- 224
- 412
0
votes
0 answers
Level of operators in a Tree structure made by two columns
so I'm working in the Ab Initio GDE and got a specific set of IDs in different columns, that if I put them together should equal the levels of a tree structure.
the two columns are as follows:
enter image description here
Both IDs describe operators…
Ene
- 1
0
votes
1 answer
Turn raw gedcom-format string into structured json
I'm working on a Gedcom parser. The raw data for it looks like this:
0 HEAD
1 GEDC
2 VERS 5.5.5
2 FORM LINEAGE-LINKED
3 VERS 5.5.5
1 CHAR UTF-8
1 SOUR GS
2 NAME GEDCOM Specification
2 VERS 5.5.5
2 CORP gedcom.org
3 ADDR
4 CITY LEIDEN
3 WWW…
Julien Widmer
- 3
- 2
0
votes
0 answers
how do i Join a List of DataFrames with each other based on two indexes (parent index and child index)
I have a List of DataFrames.
Each DataFrame has a parent index field and a child index field, both indexes contain UUIDs.
The first df has no parent and the index is 0 but all the other dfs have a parent.
Some dfs with multiple rows might not have a…
Michael
- 161
- 1
- 9
0
votes
1 answer
make object structure recursive structure with same keys in javascript
Currently, I have this object
const path ={
"posts": {
"backend": {
"a.mdx": "./pages/posts/backend/a.mdx"
},
"frontend": {},
"retrospective": {
"b.mdx":…
togong
- 125
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