Questions tagged [root-node]

In a tree data structure, the root node is a node with no parent, but which typically has children.

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Tree class root node not updating

I'm trying to write an AVL Tree class in C++ and im starting by just writing code for a normal BST but I have a problem. The problem I'm having is with my insert function. I try to insert elements into the tree it doesn't seem to actually do it. I'm…
Esteban D
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jsoncpp empty root node with comment

Using jsoncpp, if I use the following code, I get a root node with a comment and a Json::ValueType of nullValue: std::string somejson("// Configuration options\ {\ // Default encoding for text\ \"encoding\" : \"UTF-8\",\ \ // Plug-ins loaded at…
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Root node in a tree should be expanded by default

I need only Root node to be expanded by default. Can anybody help me with this. Following is the HTML and Jquery. It has a expand and collapse functionality. When u click on text in a tree it will expand and collapse. I have added in JSFiddle…
Gowthamr.cs
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JavaFX8 tree table view custom root row

In my tree-table-view I have a root item which contains child items(I have mistakenly called them root items) that in turn have child items. I need to customize those mistakenly called root items rows text appearance. Is there such a selector or…
Mike Spike
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Root Node design for a hierarchy/treeview in the user interface

I want to display hierarchical data in the user interface in a treeview control. The question is should the user has the freedom to define its first root node itself. I do not care wether a tree has a root node to be a tree. I just think about the…
Pascal
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Iterative way to delete the root node of a binary tree in c

void Bst_DeleteStudent(struct BstStudent** root, char student_name[]){ struct BstStudent* current = *root; struct BstStudent* parent = NULL; int flag = 0; int i; while(current != NULL){ if(strcmp(current->name,…
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