2,055 Topics
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| | hello!! is there any body to answer my question : is "General List" a data structure(like ArrayList for example) in java language??if it is, plz tell me what it exactly is??I have searched but i didnt find anything about it!!  |
| | I have a number of files in a folder that are named as numbers like 1, 2, 3, 4, 5, 6, etc. I also have a text file in the same folder that identifies each of these numbered files and gives their path location. The text files looks like this: …  |
| | Ok, I think my problem has to do with my rotation functions. It is not performing them correctly though I don't see where they are messing up. On a more complicated tree when it performs a rotation the structure of the tree becomes incorrect. Maybe some one can see something … |
| | hey ol, i dnt hav much time left to solve des Q's.. can u plz guide me solving des... Fundamental Exercise /* class design, dynamic memory allocation and operator overloading */ 1. Write a program to implement Matrix class. • Implement addition and multiplication operation • row and col of … |
| | Hello, I'm in the process of designing an app which basically functions as a multi-part application(multiple forms) incorporating a basic cms and payment tracking. I'm having trouble coming up with the db structure for the multi-part application. The site needs to be flexible enough to: -Have multiple forms -Store/track form … |
 | Despite the fact that my script runs perfectly well on the server, it fails to submit form data into mysql database. Kindly look into this for me. see code below: [code=php]<?php> $dbcnx = mysql_connect("localhost","user_name","password"); if (!$dbcnx){ exit('<p>Unable to connect to the database</p>'); } If (isset($_POST['submit'])) { $SchoolName = $_POST['SchoolName']; $SchoolEmail …  |
| | I am supposed to read in data from a file, create a linked list, and be able to traverse it. I feel like I have the first part of the code correct but I get a segmentation fault when I try and run the program and the pgm4.rpt file is …  |
| | Hi I am trying to implement the Fast Fourier Transform. I have some code which I got online and slightly modified. I have a class GrabPixels which extracts a pixel array from an image, the class FFT implements the transform. My problem is I don't think the methods in the …  |
| | Im trying to build a site that gets info, lets say product prices, [B]from different xml sources that have a different structure[/B]. Then it displays all the prices sorted.. My first guess is to import all the data from the different XMLs to a mysql db after the sorting of … |
| | Im just trying to load a PNG file i created of a background for a game I plan to produce eventually. However im not sure how you go about adding that image to the window. Ive opened up a standard windows app template with the following code. [code]#include <windows.h> /* …  |
| | Hi, I have to read a xml file in a tree structure, modify and save the xml file. I tried using xmldatasource and treeview controls. But only the tag names are retrieved. The text and attributes in each tag are not getting displayed. since my xml file can contain many … |
| | Hi Guys. I wrote a nice MFC application. This app uses a number of threads and is meant to manage rs232 communication with a microcontroller. When I send or receive data Visual Studio informs me of a [B]Memory Leak[/B]: Detected memory leaks! Dumping objects -> f:\rtm\vctools\vc7libs\ship\atlmfc\src\mfc\thrdcore.cpp(306) : {184} client block …  |
| | Hey everyone, I've got a problem with my program and don't really know how to fix it. The program is a simulation Game of Life and has these rules: 1. A new cell is born on an empty square if is surrounded by exactly three neighboring cells 2. A cell …  |
| | Write a function to overload subtraction operator for Class Order, which you created in previous question. The class has following attributes/ data members i) OrderID ii) Items iii) PricesOfItems Write the main () to call the - operator and print the result also. This operator should subtract the items of … |
| | /* Problem statement... You go to a wedding reception, and there are a lot of people. All of these people 'know' the bride or the groom in some manner. Additionally, a lot of them may know each other in one or more manner. For example, let's take Ann and David, … |
| | I have a ASP web application working with SQL Server. It has around 500 records and it works great. Now my management wants to redo the application for the 5th time in the last several months. The management knows nothing about web development and engineering. The management now wants to … |
| | Hello, I call the imagettfbbox function like so `imagettfbbox($font_size, 0, 'monofont.ttf', $code)` but its generating the following error: 'imagettfbbox() [function.imagettfbbox]: Could not find/open font' monofont.ttf is in the same folder. And the code executes fine on the server. It just won't work on my computer. This leads me to believe … |
| | Hi I want to print something like this to the standard o/p I am currently doing sys.stdout.writelines("%s %10s %10s\n" %(Folders['Table']['Table'][i]['name'],Folders['table']['table'][i]['data']['Place'],Folders['table']['table'][i]['data']['Age'])) but is not very well formatted how do I maintain column structure here ====================================================== Name Place Age ====================================================== John US 11 Mary UK 12 Mike US 14 How to do …  |
| | [CODE] #include <cstdlib> #include <iostream> #include <string> #include <math.h> #include "utils.h" #include <float.h> #include "onboostnn.h" //using namespace std; /* Constructor function. This sets the training example file and number of base models. It also sets to NULL other variables to be used later. */ onboostnn::onboostnn(datafile* examples_to_train, long new_num_base_models, int new_num_epochs, …  |
| | I am creating a program that involves a simple agent navigating a grid world to discover food. I am having trouble creating a unique class for the agent (which contains data members that represent its perception of the world - direction of the smell of the food, a visual 5x7 … |
| | I'm still generally new to C, I understand most basic concepts, and were now starting to learn much more complex tasks. Right now im stuck on a program to add polynomials, using linked lists. My book Data Structures - An Advanced Approach Using C, is a real difficult read, and … |
| | This is what I'm suppose to do: "Create a while loop to read in the corporate sales data from the pgm3.dat file and create a report listing data for each division as well as some of the summary data described in Programming Challenge 12 in the textbook. Inside the loop, …  |
 | Hi all, I would have a question. I know that I should (or must) respect the encapsulation rule (as one of the main three Java features) but what about if I have some "Data Structure"? I mean something like "struct" in C/C++. So if my class contains only data (not …  |
| | Hello everybody, I am after a little help using python to read in data from a binary file. This is what i got so far: [CODE] import struct infile = "friday.bin" FH = open(infile, 'rb') line = FH.read(32) data= struct.unpack("<H", line[0:2]) print data [/CODE] Which produces an output: 38288 I … |
| | Hi, first of all Hi to all members. i have a shopping portal in which we data coming from different merchant on web of there products in CSV format. the CSV of the product come in standard Structure from all the merchant. we get these CSV at same time schedule … |
| | I wish to perform a sort of an XML document, and have the output be in the same structure as the existing document. The reason for doing this, is I need the resulting document to be transformed into a new document. My source XML is: [code] <?xml version="1.0" encoding="UTF-8"?> <Msg … |
| | Hi! I have 2 XML files with different structures. Can I 'merge' them into 2 different datasets and then bind to the datagrid? I tried doing that but it's merging all the data. Do i have a way out to exclude some of the data? I am skeptical as I … |
| | Hello all, Before anything else, this issue is also posted at: [url]http://www.cplusplus.com/forum/general/7518/[/url] I have a structure similar to the one below.I miss a lot of information about the specific template parameters, so I would need something like what is in the code. This code does not compile because we cannot … |
| | Ok...so I have a project due in 3 weeks and I haven't started. If i don't get it done I won't be able to graduate...the problem is i don't get java AT ALL...if anyone is willing to help me out with parts of the project..i would deeply appreciate it. I'm …  |
| | So when two objects are declared say class shoe shoe1 and class shoe shoe_copy and then shoe1's variables are set, if the line of code: shoe_copy=shoe1; what would that be doing? After all what is the real data structure of the objects of class shoe? |
| | Hello people I'm new here (And new to web develepment) and hope to stay for a wile if you let me ;) I am trying to construct a WHERE clause on a grid view of a database table I have on a website I am creating in vwd 2005 express, … |
| | For a class project we are to implement four types of sorts that they give us, and for the most part i have that working, but i wanted to know what would be a good data structure to use? Atm im just making an array, if it fills up, i … |
| | I am facing strange problem. I have gridview on page with edit button (Added by setting 'allow edit' property true and also checked the check box for 'UPDATE, INSERT query' while configuring data source). Whenever I click edit button, It allows me to edit the values bt When I try … |
| | Alright guys, I'm in a Data Structures I class which is proving to be impossible at some junctures. I suppose it's a right of passage to earn the degree. I know how mergesort works on Arrays, but our professor has purposely used the linked list data structure to up the … |
| | Right now, I want to handle data file in the following format: apple 1234 coke 2344 some grape 2345 null .... as some lines consist of 3 element while some other have 2,I want to use the expression as follows to get the first two elements in every line and … |
| | To all the Masters, Sir can you help me in this problem, the program tells the infix to convert into postfix. ex. a+b-b*c+g/s =[U]ab+bc*-gs/+[/U] My problem is, once you compile the program there is no error message, but if you run it, the output did not show. I know this … |
| | Hi, Check the following description of my requirement. (This is in MS SQL 2005.) 1. Select a table in your DB. 2. Alt+F1 lists the structure and the details of the table. 3. In that, i could see a. Table Name and Owner b. Columns , data type , size … |
| | Hey guys, complete noob, been trying to figure out how to wrap my head around cffile for a couple of weeks now. I can get a file to upload to the server, even change the name once saved. But i am having problems entering the data into my database.any help …  |
| | Hello, I would like to ask is there any class connected with the Tree data structure in the Java Api, since I couldn't find one. I'm just starting to study the Binary Search Trees, the Heap data structure etc. As far as I could see until now, I will have … |
| | this is a project made by me but its issue function is not working well instead of modifying and changing the value of issue to 2 it is adding another book with issue 2 in the file can some one correct it // **library management** // // **library members can … |
| | I have a program for advanced VB in which we are to create a Struct of account records that are in a Text file and close the text file after opening and read the file in to the form window from the Struct and be able to edit the data … |
| | We have a Log table which logs the events of a request. When any error event occurs, I need a query to see the row with errorevent and the previous row to this row which contains the actual data which caused the error. Here is the table structure: LOGID (int), … |
 | I am trying to use a clientdataset without an associated Table. I am attempting to extract and edit data from a Cad program. The Cad program has an interface in which the user selects specific entities within the Cad file (lines, circles, text etc) and provides basic information and attributes …  |
 | Can someone help me with this database, code bellow [CODE]-- -- Table structure for table `bapps` -- CREATE TABLE `bapps` ( `bappID` int(11) NOT NULL auto_increment, `bappFROM` int(11) NOT NULL default '0', `bappBUSINESS` int(11) NOT NULL default '0', `bappTEXT` varchar(255) NOT NULL default '', PRIMARY KEY (`bappID`) ) ENGINE=MyISAM AUTO_INCREMENT=51 … |
| | I need to help in the project I mention below: The project involves the simulation of a cockroach jumping pathway that accidentally dropped from the aspirator unit onto the center of a hot plate of a hamburger parlor. Due to hot plate temperature (220oC) the bug jumps randomly anywhere being … |
| | Hello, I have a BinaryHeap class that uses template <class Comparable> as follows: [code] template <class Comparable> class BinaryHeap { public: explicit BinaryHeap (int capacity = 0) const Comparable & findMin( ) const; ......................................................... private: int currentSize; vector<Comparable> array; ........................................................ }; template <class Comparable> const Comparable & BinaryHeap<Comparable>::findMin( ) const … |
 | Hi! This is Adnan I have a text file having 10 records. There are 4 fields and each field is delimited by a comma. I need to read data from text file such that when i input suppose Account number then the program fetch the record thru that number and …  |
| | Write a C++ program that contains a structure named “Account” having four data members 1) Account number 2) Account holder name 3) Account type 4) Account Balance Account type may be Saving, Current, etc. In main function, declare an array of structure “Account” of size 10. Populate this array by … |
| | I took a backup of a database a while ago and I'm having trouble with running it on a new (Windows 2003) server through phpmyadmin 3. Whenever I execute it the resulting tables, fields and data are all converted to lowercase! If I use phpmyadmin to create them it works …  |
| | please do the following data structure program : write a menu driven C program to implement the following set of stack operations using the linked list representation: (a)create stack (b)push (c)pop (d)stack top (e)full (f)empty (g)stack count (h)destroy stack |
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