2,055 Topics
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| | Hi friends, I've created program for getting the data members from the structure and pass those variable in a function dynamically. The structure will dynamically change and its members also changing.Now i need to rectify the memory leak problem in this.I declared maximum size of buffer is 30000 when i … |
| | The program I am writing is supposed to read in a txt file and then align the txt depending on the number of characters per line that the user has specified. Since there aren't any limitations to the length of the text it has to be represented using a dynamic … |
| | Hello All, Back again...Working on a program which requires that the user should be able to interact with the program. The objective of the program is this: A class called unique-bag which will store integers using dynamic array. This class stores only one copy of any given integer (no duplicate … |
 | What I have is a list of file paths: dir0/file0.txt dir0/dir1/filea.txt dir0/file1.txt dir0/dir1/fileb.txt dir0/dir1/dir1/filec.txt dir0/file2.txt What I'd like to get is something like the following: [code] $paths=Array( file0.txt=>file0.txt, dir1=>Array( filea.txt=>filea.txt, fileb.txt=>fileb.txt, dir1=>Array( filec.txt=>filec.txt ) ), file1.txt=>file1.txt, file2.txt=>file2.txt ); [/code] It strikes me that this must be a fairly common requirement … |
| | from this how do i make the data in the data file listed on my screen? assuming i have already created and implement function for adding updating deleting records. please help!! #include <stdio.h> struct videorecord { int rec_no; /* account number */ char f_name[ 20 ]; /* film name */ … |
 | [ATTACH=RIGHT]17677[/ATTACH]Here at DaniWeb, we've talked a lot about [URL="http://www.daniweb.com/reviews/review313227.html"]Intel Parallel Studio[/URL]. I recently had the chance to sit down with Intel's James Reinders, and find out more about his take on [URL="http://software.intel.com/en-us/intel-parallel-studio-home/"]Parallel Studio 2011[/URL]. Mr. Reinders (pronounced Rhine-ders) is a senior engineer at Intel and has been with the company … |
| | I have 4 entities Product no Enumerable interface ProductFieldLookup has Enumerable interface Lookup no Enumerable interface LookupType has Enumerable interface var pfl = (from pflSet in p.ProductsFieldsLookups where pflSet.IsAvailable = true select pflSet).ToList(); I want to retrieve lookups data that is connected to the returned list and apply a filter … |
| | I am going out of town and don't have access to my professor and / or tutors for the weekend, and we have an assignment involving a BST. I have done all of my insert, remove, and search functions, and went to the tutor about the remaining ones I have, … |
 | Hello. Well, for creating linked lists, i always use 2 pointers: one for beginning and one for the end of the list. Is this OK? Or am i required to have just a single pointer pointing to the beginning of the list and then traverse everytime i need to insert? …  |
 | I want to read some books about data structure written in c++, can anybody recommend some good books for me?Thx. |
| | I am making a program to do a breadth first search. The code which I am posting here just makes a que of the nodes visited in a binary tree in inorder fashion,so this implementation is not yet complete. While developing I got a segmentation fault which I was not … |
| | Hi, well I need to do a program in Java that shows the solution of the famous game 8 puzzle (the object of the game is to place the tiles in their place with the less possible movements) So using the class Astar Given by our teacher we are asked … |
| | Hi!, im new in this forum (and programming in c :)) (and sorry, my english is not good enough, I speak spanish) I have a problem trying to release memory from a Matrix structure. When I try to release a square matrix there is no problem, i can do it, … |
| | Trying to write a simple program that will read data but keep stumbling upon the fact that I kinda can't limit the amount that is read. I have simple student.dat file which is filled ATM with nothing else but simple string "somethinginside", without quotes. When I do this on each … |
| | Hi, I have found script on internet that grab received emails from inbox and store some basic info (like subject, message, author of email...) into MySQL. That part works great, but I have problem with getting doubled message. So when I receive email, script grab message but somehow she do …  |
| | Hello all, I am given a project and would like some help/guidance from the community. I am not asking for any code just a direction and little advice on how to approach this project or how these things work per-say. I am behind in my classes due to me having … |
 | I have a couple of template classes "Stats<T>" and "Numerical<T>" within a "Statistics" namespace. The Numerical<T> class inherits publicly from Stats<T>. They are defined as below.[CODE] namespace Statistics { //declare Statistics namespace template <typename T> class Stats { protected: vector<T> dataSet; //contains the actual data set to be analyzed /* … |
| | Hello all, I have a question: What are the advantages & disadvantages of the circular linked list compared with: a. Usual linked list b. Doubled linked list Although the implementation of the usual list functions & the circular list functions are similar…when do we have to use it?? or in … |
| | Here's something of mine that might actually be useful: a Python implementation of the K-means clustering algorithm. I wrote something similar last year in Java for a school project, and decided to rewrite it in Python this summer for practice. The purpose of the algorithm is to discover internal structure … |
| | Been out in the non-NetBeans world for a while and I'm trying/needing to get back but having a problem. My app dir structure looked like this: /conf /log /data /src/com/myapp/myapp.java /src/com/myutils/myutils.java I used new project and selected import from existing sources in NetBeans. OK so far so good. The myapp.java … |
| | Hello ! I have array of struct and i want 1] when i run the program to load the data from it. 2] when i make changes to be saved in the text file the same time or when i quit the program I tried to put data in txt …  |
| | Hello ! I have array of struct and i want 1] when i run the program to load the data from it. 2] when i make changes to be saved in the text file the same time or when i quit the program I tried to put data in txt …  |
| | pls tell what is the difference between this two 1)taking a initger (or any fundamental data type) pointer in the main function and then send it to some funtion as parameter. int *p; function(p); 2)taking a intiger and sending its adress to any function. int p; function(&p); will both do … |
| | Hi guys, i need to make the Game of life in C++. I get a run time error when i run this program, it compiles fine. This is the .cpp file in the project. Dont know if you need the driver or header to spot my mistake. [CODE]#include <iostream> #include … |
| | Hello, I am designing a data-entry form with the following characteristics 1) The user enters the number of rows he wants to enter 2) Based on the entered value I am generating a table kind of structure 2.1) I am dynamically generating a drop down list that is being populated … |
| | Hi i'm writing a program that reads records from a file, then sorts these records by the person's firstname, and stores the sorted data in a new file. Heres the code: Everything works fine, except it stores garbage at the end of the last record. If i set the array … |
| | Hi, I have a standard database designed to maintain contact information. I'm trying to design a table structure for my Names Table that will support both personal and business names. For example, I have my primary table that contains a company name and misc info about the company. Then for … |
| | Hi, I have this script [CODE]<?php require_once("includes/connection.php")?> <?php require_once("includes/functions.php")?> <?php if (intval($_GET['subj']) == 0){ redirect_to("content.php"); } $submit = $_POST['submit']; if (isset($submit)){ //for validation $errors = array(); $required_fields = array('menu_name', 'position', 'visible'); foreach($required_fields as $fieldname){ if (!isset($_POST[$fieldname]) || (empty($_POST[$fieldname]) && !is_numeric($_POST[$fieldname]))){ $errors[] = $fieldname; } } $fields_with_lengths = array('menu_name' => 30); …  |
| | I'm doing some self-study concerning statistics right now and while doing so I want to get some practice with templated classes. As a result, I'm working on a collection of templated classes designed for statistical analysis. What I would like to know is how I would handle creating typedefs for …  |
| | I'm currently in a data structure class and i have little programing experience. The assignment is A. In this part, you are supposed to design an integer random number generator that would produce random numbers between 10 and 99 (both inclusive). Design schemes to evaluate its performance as a random … |
| | Really, the title says it all. Is there any way to compile all the instances of a class into a list, or other such data structure?  |
| | Hi, i have created a data structure {heap based}, capable of manipulating up to 10 million elements....I noticed that i can't go above this number because i have serious memory leaks.... The problem seems to be that i haven't written a destructor!{i a bit used to garbage collection!} if i … |
| | Hey. So basically I am working on a simple project, I am no PHP expert, I only know a bit of the basics. This project is simply a "performance monitor" script. I have the parts to add records etc. I am now starting to tackle the next phase of the … |
| | Those some parts of my program. I write the problem at the buttom [CODE]void main() { string option; warehouse car[2]; car[0].inputCar("lamborgini",true); car[0].showCar(); car[1].inputCar("ferrari",false); car[1].showCar(); //display the choices of the user cout<<"a) Show number of modified"<<endl; cout<<"b) Show list of modified"<<endl; cin>> option; switch (option[0]) { case 'a': countModified(); break; case …  |
| | Hi all, I'm doing sentence scoring. Let say,i have a paragraph with several sentences.Each sentence has a score(type double). Hi,I'm programming java (this sentence score:1.2) It's nice to code (this sentence score:0.3) Not so nice when having problem (this sentence score:0.8) What kind of structure should i use to ease …  |
| | Hi! I have an array of doubles that I map to a hashmap to keep track of the indices of the elements. I want to be able to sort the array and still keep track of the indices and thats no problem as long as the elements are distinct. But … |
| | Is there any difference between a sorted link list and an ordered link list? If there is any difference please show it by giving an example. Thanks  |
| | I am working on a problem (re inventing the wheel for learning) I have a mxn matric (which is my simplified way of saying it is RAM with bytes on it) Some of the locations on this metric is filled with some data and some places are empty. The mxn …  |
| | Hi, there i didn't even know is that how its called but can you help me and tell me what is that LLIST from the structure into the type function and why its used in this case: [code=c] typedef struct node { int data; struct node *next; /* pointer to … |
| | please give me a code for this problem..... Objectives: To implement retrieving of data from text file to a record To implement storing of updated data from the record to a text file Procedure: 1. Create a structure for a simple telephone directory system named struct telDirectory{}composed ofchar username[20], long …  |
| | hi im new her i want your help im computer student im very week in c++ i have an assingment i dont know how i can solve it this is : design and develop a program which simulates a cellular phone call processing center. The simulator has the following requirements … |
| | Hi, How do I check if a member of a struct is null? I've tried: [CODE]if(ErrorInfo->TestName != NULL)[/CODE] The above method returns true even when [B]ErrorInfo->TestName[/B] contains nothing (debug shows it as 0xccccccc, ""). [CODE](!(strcspn(ErrorInfo->TestName, "") == 0))[/CODE] The above method throws an access violation. I've tried other ways too … |
| | I wrote a small hello world type of character device driver. When I type echo -n "abcdef" > /dev/bond and do a cat /dev/bond then only last "f" of above input abcdef is displayed rest nothing is displayed. I have experimented many things but I am unable to catch the …  |
| | Hi, I have a problem with a java application which should use ArrayLists, and I would like to ask if you can help me. I have created a Person class, and 2 subclasses, Student and Employee. Data attributes common are Name, SSN (social security number), and Age. A student has …  |
 | It might seem appropriate to post this in the MySql section but I guess this is also a PHP question. Which is the more efficient way for adding new fields? I haven't written the code yet because I want to get the database structure right before coding. Here's my logic. … |
| | Hey there, I'm having some difficulty understanding how pthreads are used for writing to files and reading from files using a buffer cache. There are two data structures available: 1- The first data structure is just an array of files each index contain information about the size of the file … |
| | I have a table in SQL Server with the following structure: DateRated, Parameter, Rating, UserID Sample Data DateRated Parameter Rating UserID 10/01/2010 Flexibility Good User101 10/01/2010 Efficiency Average User101 10/01/2010 Value For Money Below Average User101 I want to create a query that will make it like this: DateRated Flexibility … |
| | My professor has given me the code and I wanna run it. I use Visual Studio2008. Code contains data structure "queue". He defines one queue as "queue<int> Q;" But my compiler gives an error and says "error C2065: 'queue' : undeclared identifier" Do we need any separate header file to … |
| | Ok, Here is the problem in the book; You are developing a database of measured meteorological data for use in weather and climate research. Define a structure type measured_data_t (which I have done) with components site_id_num (a four digit integer), wind_speed, day_of_month, and temperature. Each site measures its data daily, … |
| | Hello, I am trying to run a program that uses raw file as an input file and then use a function that requires input file data into uint8_t array type argument. The problem is that when I use the sample input raw file, it works perfect but when I use … |
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