185 Topics
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| | When my app loads I need to establish the membership "status" of a user. Their "status" will determine how the app behaves. Do I query the database for the "status" value each time the app loads, or can it be sourced from cache? The "status" could change for a user, … |
 | # Extract Schema.org Data Script # Maybe this is helpful for somebody... ## Description ## This script extracts Schema.org data from a given URL and saves it to a file. ## Usage ## 1. Run the Script: Execute the script in a Python environment. 2. Input URL: Enter the URL … |
| | Hello, everyone!:) I am new to Daniweb and I would like a little help in implementing Binomial Heap subroutines in C, especially insertion in Heap. For my application it is necessary to implement max-heaps(i.e., roots storing the maximum value) in stead of min-heaps(i.e., root storing minimum value) in ANSI C. …  |
| | I have scenario where one user can refer two codes to other one will become right and other left.Now this right can have two child left and right and so on same for left child user.... So this is binary tree like strucutre so i am selecting a user from … |
| | I'm writing a simple program to figure out how Linked List works, but for now I'm stucking. I don't know which line cause the error or I had a mistake in thinking. I run my program by my hand and it works fine. But when run, it gets error at … |
| | what I am trying to do is store same letter to same node. For example: let say I have person, people is sent to be put into a node. This will create two node. I want to some thing like P: Person People Person and People are same note When …  |
| | Hi,i have a code like this in .h file: #pragma once #include "stdafx.h" #include"iostream" using namespace std; // balance factor enum enum BalanceFactor { LH, RH, EH }; // treenode struct template<class T> struct TreeNode { T info; TreeNode<T>* left; TreeNode<T>* right; BalanceFactor bf; }; template<typename ItemType> class TreeType { … |
| | Salam i want to write a binary tree code with left and right child my question is that when one left side and one right side child complete then system credit 700 to parent id plz any body from this forum can help me? i am thankfull to you its … |
| | Hi, I am trying to construct a binary tree using a list. class Element { private: list<Element*> _children; char* _name; //...other data members and methods } I have a class ("Element") that has children ("_children"), but I cannot figure out how to add children to the elements of "_children". I … |
 | i want to insert at avl tree and search where can i get avl tree code from ? to study  |
| | I wrote a template class named "Tree<T>" in C++ which attributes are : - T data - std::vector<Tree*> sons; I wrote the basic methods consisting of writing and reading in those two attributes. Now, I'm writing methods that return the min and max depth. I have no compilation problems but …  |
| | Hey Guys, I am building app using a huffman tree, and am building this java program to just test a few things and I am having some trouble. I have everything working except that I am having troble decompressing a huffman string back into the original string. I would appreciate …  |
| | I'm trying to modify this code: class Tree: def __init__(self, cargo, left=None, right=None): self.cargo = cargo self.left = left self.right = right def __str__(self): return str(self.cargo) def print_tree_inorder(tree): if tree is None: return print_tree_inorder(tree.left) print(tree.cargo, end=" ") print_tree_inorder(tree.right) So that it adds parentheses around every operator and pair of operands. … |
 | hello i have an attribute in 'users' table called RegNo which refer ro region number ... so i have to select users and display them according to their region number . here is my code <body> <ul id="nav"> <li class="heb"> <a href="parentUrl" >hebron</a> <li class="bet"> <a href="parentUrl" >ramallah</a> <?php include … |
 | I am trying to learn element tree so that i cna work with xml files a little more indepth. I have researched it and everythign i have read says that my version of python should have ElementTree already installed on it. But every time i try to run my sample …  |
 | hi all, this is some extra credit from class we sat around cleaning up code today this is what we came up with public boolean equals2(IntTree t2){ return equals2(this.overallRoot, t2.overallRoot); } private Boolean equals2(IntTreeNode r1, IntTreeNode r2){ if(r1 == null || r2 == null){ return r1 == null && r2 … |
 | hi , i am searching for a good tree menu design for products categories to use it in my website , i need it to be flexible so i could style it as needed and also simple so i can target it with my own javascript. thanks again. |
 | Hello. I'm developping a project about the decision tree in Java. My project idea is about animals, but it's gonna be a big database and i don't have too much time to complete. So my question is: Can anyone help me to found a complete database about animals or about … |
| | I wrote this test program to test the binary tree for a particular purpose. The intent is to make 2 new tree nodes with new data and destroy the data of the parent data, as its no longer needed (essentially its supposed to imitate "splitting" but my design calls for … |
| | hey guys, so im creating a page using php html js etc and what i wanna do is have two tables on that page. the first table is populated by data from database(easy) the second table is tricky for me. in the second table i want to be able to … |
| | program that implements an event-driven simulation of a line of customers at a bank.Each customer enters a queue, waits until reaching the front of the queue, performs a transaction with a teller (bank employee), and then leaves the bank. You may assume that the bank has only one queue and …  |
 | this code was error.please help me fix it include <iostream> include <conio.h> include <algorithm> using namespace std; int a[]={1,5,7,4,9,8}; BST*binary_search_tree; struct BST{ int value; BST* left; BST* right; }; int search_bst(BST* node,int key){ if(node==NULL) return -1; if(key<node->value) return search_bst(node->left,key); if(key>node->value) return search_bst(node->right,key); else return node->value; } void insert_bst(BST* &treeNode,BST* newNode){ … |
 | so i got a class going for making and showing tree elements, i need some help with the following: i need to display the leaves and the height of the tree. here is the code: // ar.cpp #include <iostream> #include <stdlib.h> using namespace std; class nod { public: char inf; … |
 | Hey! So I am having trouble with this [problem](projecteuler.net/problem=18)! Basically you have to find the path that gives the largest sum down this tree: 75 95 64 17 47 82 18 35 87 10 20 04 82 47 65 19 01 23 75 03 34 88 02 77 73 07 … |
| | I have a problem in c, i want to achieve this kind of thing using the code i written below. The input and output should be like this: Input Freq Output Freq 1 0,1,4,2,5,3 add two first (0+1) 0,1,4,2,5,3,1 2 4,2,5,3,1 add min and last (2+1) 0,1,4,2,5,3,1,3 3 4,5,3,3 add … |
| | Hi guys, Tomorrow is my theory paper exam of C++ OOP and Data Strucutre. Paper will be based on 50% theory Q/A and 50% on coding implentaion. Can you give me some hints to prepare for this coming exam? PS. I have gone throw all lectures slides and course material, …  |
| | **hello peeps and geeks, i am missing the MinSpanningTree function here.. any help please? need to fill up the function to get a) Minimum spanning tree cost for the graph b)Spanning tree path for the graph. E.g in matrix or adjancency list. ** #include <iostream> #include <ctime> // For time() … |
| | would any one give me idea or code about how to make a binary search tree of apple Ltd products prices. suppose products are: macbook i3, macbook i5, macbook i7, iphone 3g, iphone 3gs, iphone 4, iphone 4s, iphone 5, iphone 5s, iphone 5c, ipand 2, ipad mini. |
 | Hey everyone, I really need help in solving a problem that I have to use recursion for. I have a list of paper objects. Each paper object has its own author(s) objects. Each author object knows which paper(s) objects they belong to. I have to build a scholarly neighborhood for …  |
| | I have to write the an AVLTree in python, followed all the instructions and I feel I have it just right, only problem is I can't figure out how to display my tree. I have to use the test given below, as well as the 2 methods below in the … |
 | Hello, I'm trying to write a program that takes an input file name and lists the folders in a heirarchy ex.Folder subfolder etc I have most of my code, but I'm getting 2 errors that are connected and I have no idea how to fix it. Here is my code: … |
 | How should I make an entry appended to existing entries instead of overwriting the whole file ? class ReadWriteCustomPathsToDisk(object): """docstring for ReadWriteCustomPathsToDisk""" def __init__(self, modulePath): super(ReadWriteCustomPathsToDisk, self).__init__() self.modulePath = modulePath def _xmlFileLocation(self): xmlFileLocation = os.path.join(os.path.expanduser("~"), "Documents","searchMethod","modules.xml") return xmlFileLocation if os.path.exists(xmlFileLocation): return xmlFileLocation def readXml(self): xmlFile = self._xmlFileLocation() root = etree.parse(xmlFile).getroot() … |
| | [CODE]//To convert postfix expression into an expression tree #include"stdio.h" #include"conio.h" #include"process.h" #include"string.h" #include"stdlib.h" struct node{ char item; struct node *lnode; struct node *rnode; }*stc[30],*temp,*root; typedef struct node *NODEPTR; char expression[50]; char c; int top=0; NODEPTR pop(); void push(NODEPTR); void getinput(); void inorder(NODEPTR p); int main (){ getinput(); int i,j; for(i=0;i<strlen(expression);i++) …  |
| | I need help in building a binary tree and putting integers in it. I need to write an add method in my MyArrayBinaryTree class (that extends ArrayBinaryTree) that allows me to place the element to be added in the very next available slot in the array. I also need to … |
 | Since the underlying data-structure used here is an array , which is itself iterable via `for-each()` , i'm wondering how much benefit implementing `Iterable` will provide here. I would appreciate if someone could review my code and suggest any further improvements. **Code:** import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; class ResizingCircularArray<E> … |
| | Hi all, I want to create all possible combinations of a full binary tree which must have exactly 4 leaf nodes and 3 internal nodes. I want to create it using recursion and tree must be simple binary tree not a binary search tree or BST. Kindly suggest algorithm to … |
| | Let's use the basic example.. I have a table for tree representation with just 3 columns: ID, PARENT_ID,NAME. If I delete a record X, how can I delete all recursive records that refer as PARENT_ID of deleted record? |
 | I have created my binary tree as , It Shows in List Perfectly but i want to show in Genealogy , how can we do this ..I have Pasted My Total Nodes Script Here with HTML & java script for making tables & draw lines btwn nodes . When I … |
| | Im trying to add Total function and isMono functions to this code. Did total already Need help with function ismono which returns whether a tree is mono (all the elements are unique aka no element appears more than one time) or not. Please this is the original program #ifndef T_H … |
| | Hi, I need a function that will take a tree as argument and return the number of ints that were typed and a correct call. would it just be preorder? like below. Please. Thanks #include "t.h" void preorder(tnode * t){ if (t == NULL) return; cout << t->info <<endl; preorder(t->left); … |
 | Hello All, So I'm working on hand-coding a forum-like website, just for the experience, and I want to have a similar feature as you'll see above where a thread will have its ancestors linked: "Web Development > JSP > Parent traversal of tree-like Structure" I have several beans for different … |
| | Hi This code not run : it show this error: incompatible types-found java.lang.String but expected HuffmanCodingAnimation.Node This line of code ` root.left.code = root.code + "0";` Here is the code: import javax.swing.*; import java.awt.*; import java.awt.event.*; import javax.swing.tree.*; /* * This program enables a user to enter text and displays … |
| | Hi Everyone, I am trying to get the program below to work correctly. The line below is where I'm having trouble. (line 33 in PrefixCalc.java) calc = new ExpressionTree(new Scanner(console.nextLine())); When I run the program and enter "4 + 8", the scanner only picks up "4". Apparently this program was … |
| | I have to write a program that creates a binary search tree from a file and output it and several other requirements. One requirement that I cannot figure out is how to find the search cost for each node. These are the instructions I was given Calculate the search cost …  |
 | I am doing huffman coding and I have made the tree. Now I am required to traverse the tree to create bit strings associated with the characters. Then I will put the bit string and char into a map to use with encode/decode. I have been working on this for … |
| | Hi Guys, I am working on a binary search tree and I've been stuck on some code for the last couple of days. There are 2 issues that I can't seem to figure out how to fix. 1) I have a file that has a list of names and ID's … |
| | class BTNode(object): """A node in a binary tree.""" def __init__(self, item, left=None, right=None): """(BTNode, object, BTNode, BTNode) -> NoneType Initialize this node to store item and have children left and right, as well as depth 0. """ self.item = item self.left = left self.right = right self.depth = 0 # …  |
| | I am having an issue implementing the Breadth First Search, Im trying to find the shortest distance between the source city and the destination city. Here is what I have so far, Im stuck and dont know what to do about this issue. #include <iostream> #include <string> #include <fstream> #include … |
| | Hey guys, can anyone tell me how I could use randomaccessfile to read in a txt file and copy the content to a tree? Also how to then do the opposite and write newly changed nodes from the tree onto the text file? It's pretty much like creating a save … |
| | Quick question. I'm studying for my CCNA and my supervisor gave me this challenge question. You're given 5x Cisco 3560's and 5x Cisco 3750's which are to be installed side-by-side on a rack. Which model would you choose to avoid issues with STP? I'm currently skimming over [this](http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6406/data_sheet_c78-584733.pdf). Thanks!! |
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