Software Development Forum

Im having some problems with using the vector pushback method through a structure. The push back method works in one part of the code and not the other. Ive been staring at it for hours and testing different things and i cannot get it to pushback in the section of …

I originally posted back in Feb. 2011 about needing to transform one xml file with another xml file.. thinking it would be a straight one for one transformation... but of course, it can't remain that easy! I now have to take multiple line items from the input file based on …

HI, i have the following code and i am getting the error [CODE]private Reservation getReservationDetails() { Customer c = GetCustomerDetails(); ManagerCustomers mgrCustomer = new ManagerCustomers(); int customerID = mgrCustomer.SearchCustomerByIDCardNumber(c.IDCardNumber); DateTime reservationAdded = DateTime.Now; int numberOfPeople = Convert.ToInt32(nudNumberOfPeople.Value.ToString()); string dateOfEvent = dtpReservationDate.Value.ToLongDateString(); string timeOfEvent = dtpEventTime.Value.ToLongTimeString(); DateTime dateTimeOfEvent = Convert.ToDateTime(dateOfEvent + …

I am trying to update a JProgressBar in a for loop , The maximum size , I have set is equal to the size of the array which is computed upon and I am incrementing the value of the progress bar in the for loop.Here 's the code [CODE] private …

Hello everybody, I have a task to let an engine run. Now I want it to program that it runs once for 60 seconds and then stops. How can I do this? Timer is not an option because it don't need to repeat. Thanks in advance for your answers :) …

What is the best edition to learn java in basic.... Eg.. JavaSE JavaEE JavaME or if something else..... Is JavaEE [B]good [/B]for begin or [B]not [/B]? Why? What are the main differences between those editions.....

[code=c] . . string line; vector<string>DataStore; ifstream file; file.open(fileName.c_str()); if (!file.is_open()){ cout<<"Error retrieving file " <<fileName<<endl; } while(getline(file,line)) { getline(file,line); stringstream lineStream(line); string bit; getline(lineStream, bit, ','); getline(lineStream, bit, '\n'); DataStore.push_back(bit); . . [/code] This piece of code takes a CSV and stores its data in a vector. The first …

Hey all Can any one tell me what is the basic difference between events and delegates :) Thanks

Hi, I am in need of a python ocr script that can convert images into text and for the script to work on BOTH windows and centos. All the scripts I have found seem to not be compatible with linux/centos or require an api to another server and I do …

I have an external dll that provides the time and date a photo has been taken I am getting an argumentexception for a certain image. I believe it is because it is a jpeg from a scan, so it doesn't have a datetime. My problem is that even with the …

Hello i am trying to solve the second part of this question i am getting these errors Error 2 Only assignment, call, increment, decrement, and new object expressions can be used as a statement Error 1 Use of unassigned local variable 'i' [CODE]using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; …

Hello :) Im still learning C# , im developing and application as my project .... i came across a issue and thought the experts might help me out :) what i want to do is to read a text file like this : [CODE] 91.210.46.1:8080 124.193.109.13:80 124.193.109.7:80 [/CODE] and i …

Hey, Im trying to figure out how to read a starting and ending point in a string. What Im trying to have accomplished is something like this (This code doesn't work) [CODE] string str = ""; //str = readfrom(textBox1.Text, "start Character", "End Character"); str = readfrom(textBox1.Text, "[", "]"); textbox2.text = …

In Java and c# you can get the total lenght of an array with array.length or simular. Not only the length of the filled elements, I want the length of the total array. Lets say the array is introduced as this. [CODE]string array[100];[/CODE] Maybe its half filled or not it …

Hi guys - I need your advice) In which cases It'll be correct to use <T> after class name when I want to have generic type fileds in this class? big thanks in advance)

i was just hoping to get help on an assignment i've been racking my brain over for the last couple of hours. i'm asked to program a database of houses using object oriented programming. i'm suppose to do this by writing a house class, an address class, and a third …

I try to get this to work... [CODE] for(int i = 0; i < size; i++){ if(nameList[i] != NULL){ //save name } else cout << "Namelist is full" << endl; } [/CODE] but NULL is not exepted in a situation like this...or...? I want to put in the name in …

Hi guys! i wonder how can i save image path in a string to MySQL, i mean...what instruction i have to use...i want to save it to MySQL and then show it into a picture box. Thank you very much for your help.

Hey here's my code for functioning like MS Paint. But JLabels are just not visible. Please Help. [CODE] import java.awt.event.*; import javax.swing.*; import java.awt.*; import java.awt.image.*; public class MSPaint { JFrame frame; JPanel panel; Painting paint = new Painting(); public MSPaint() { frame = new JFrame("MS Paint"); frame.setSize(1024,768); panel = …

Hi i'm creating a GUI and i have a couple menu items set up with options within those menus. What I'm looking to do is use those items inside the menus to open up more menus kinda like when you go down to all programs in your start menu and …

hello I wrote this code using classes and it keeps giving me the error message : a nullreference exception was unhandeled/Object reference not set to an instance of an object. I am trying to add stock code and stock shares to the list of transactions using a currClient As Client …

So I have the code written, and it is compiling fine. But for some reason, when I compile it and it displays the results, the way it displays isn't the way it should be. It is supposed to pull information in from a binary file. Here is the link to …

Having problem make last if an statement work in the code. the variables in the if statment are doubles but the ide keep telling i need a proceeding if statement. but is already there it is in the last if statement of the code [CODE]Public Class Form1 Dim Totals As …

The program is compiling and I'm not getting any errors, but when I run the program, after I enter the first value, the program just terminates. [CODE]//carstruct.cpp -- Structure with information about cars #include <iostream> using namespace std; struct car {char make[20]; int year;}; int main() { int cars; cout …

script to specify the name of the user to be checked, the frequency in seconds at which the script should check. If a checking frequency is not specified, it should default to 60 seconds So far I have got [CODE] frequency=$0 user=$1 #!/bin/sh while [ $* -gt 60 ] do …

I am trying to create a program that, after inputing a text file, can: 1) Count number of lines in the text file. 2) Count number of words in the file. 3) Count number of characters in the file [B][U]including[/U][/B] white spaces. 4) Count number of characters in the file …

Is there any way i can pause a file download in my vb program?? I have tried both the http method and the my.computer.net method with no luck. I have also tried pausing the background worker by this method:[URL="http://social.msdn.microsoft.com/Forums/en-US/vblanguage/thread/407a38ec-b012-4628-9627-c0aa3cd87a42/"]http://social.msdn.microsoft.com/Forums/en-US/vblanguage/thread/407a38ec-b012-4628-9627-c0aa3cd87a42/[/URL] But even if the bgworker is paused the download goes on..... …

Using the stdl::vector class you can use two sorts of iteration over the vector: the .begin and .end way GlifPtrVec_t::iterator Iter ; for (Iter = m_Array.begin() ; Iter != m_Array.end() ; Iter++) { CGlif* pGlif = *Iter ; delete pGlif ; } or one I am more used to: for …

I am trying to change the background color of the JPanel every 3 seconds (3000 ms) when I click START button till I press STOP button. [CODE] import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.util.Random; class TimerBackground implements ActionListener { JFrame frame; JPanel panel; JButton btnStart; JButton btnRed; JButton btnGreen; …

i am having a problem to write the code for a project that i have i need to get the label to the picture attached to count how many oval and rectangle are in the picture i have the code for the rest i just cant figure how to arrange …

Hi i have two values of type dateTime [CODE]DateTime dateOfEvent = Convert.ToDateTime(dtpReservationDate.Value.ToLongDateString()); DateTime timeOfEvent = Convert.ToDateTime(dtpEventTime.Value.ToLongTimeString());[/CODE] now i would like to assign these date and time to one variable of datatype dateTime. How can i do so? [COLOR="Red"]DateTime dateTimeOfEvent = ??????[/COLOR]

Hello, athletes and champions ! )) Please tell me - what's wrong here - [CODE] public class LinkedSet<T> : ISet<T> { public LinkedListElement<T> Root; public LinkedListElement<T> Focus; public class LinkedListElement[B][U]<[COLOR="Red"]T[/COLOR]>[/U][/B] { public LinkedListElement(T value) { this.Value = value; } public T Value; public LinkedListElement<T> NextElement; public LinkedListElement<T> PreviousElement; } } …

I'm suppose to translate a virtual address to a physical address with the use of a fully-associative page table. It compiles but it won't run. Can anyone help me and point out the errors :P THANK YOU! [CODE]# include<stdio.h> # include<stdlib.h> /* Declare global vars */ int ms; int ps; …

Hi all, Is there any way to do forward referencing or function prototyping in python..? Being an interpreted language, is lack of forward referencing a drawback of python?

I've tried to make a program that will sort the results of a competition, by asking the user the number of competitors, then the name and score of each one. It worked but now i have to make it recognize when two or more people get the same score (that …

Hello, I've been looking into implementing a simple networking option to a program I'm working on, and have looked around at what my options are. The program is made in Managed C++(.NET), and so far have worked great. Browsing my options, I've found that .NET is also capable of networking, …

i have written a class to add matrices ,line 51 of the code has problem. debugger is showing segmentation fault there . please suggest the correction. [CODE] #include <iostream> using namespace std; class mat { int row; int column; double **a; public: mat(){} mat(int r,int c) { row = r; …

import java.lang.reflect.*; import java.awt.*; import java.lang.*; class SampleField { public static void getField(Class c) { //Class c= Class.forName(s); Field f[]=c.getFields(); for(int i=0;i<f.length;i++) { System.out.println(" "); Class type=f[i].getType(); System.out.print(type.getName()); System.out.print(""+f[i].getName()); } } public static void main(String... s1) { try{ Class c= Class.forName(s1[0]); getField(c); }catch(Exception e){System.out.println(e);} } } I have written the …

hi there!) mates, I had a class - something like that - [CODE]public class asd() { public int filed; }[/CODE] please tell me - what is the difference between next two ways of memory allocation (as I undestand they both can be compiled...) - 1) [CODE] static void Main() { …

Hello In my code I am trying to come up with the following messages using a try/catch Unhandled exception has occurred in your application. If you click continue, the application will ignore this error adn attemp to continue. If you click Quit, the application will close immediately. conversion from string …

I cannot figure out number 3 and 4. Median and standard deviation. I think i am close but not getting the right answer. Any ideas? Thanks. /* 37 April 2011 Assingment: Project 2 I revision 1,2,5,6,7 and comments and formatinng done.. need 3,4 Description: Implement a menu system managing an …

Hey, I'm not too sure what the problem is here, I have never had trouble using fscanf before. The following shows the code I use to check the file, and the result. [CODE]while( true ) { int vals_read = fscanf(fileHandle,"%[^;];%s",&name,&pass); if( vals_read == 2 ) { // process the line …

Anyone know the rule for naming fields with the abbreviation "ID?" I notice that MS is inconsistent, they have "PlatformID" and "ApplicationId." I thought the rule was is the abbreviation was 3 characters or more, only the first letter is capitalized. Like Guid instead of GUID?

Hey everybody. I was reading some code on the website and I saw this: [CODE]with open(FILE) as number_file: lucky_numbers = [set(line.strip().split('-')) for line in number_file] [/CODE] What does "with ... as ..." mean? What is it used for? How is it used?

Hi all, More of general question, than just about drop down objects, but that's where I noticed first, so I'm using that as my example. In the project I am working on, one of the programmers created a new drop down item using [CODE] new ListItem() {Text = "stuff", Value="someValue"}; …

Dear Helpful Members of Daniweb, I have been working on several projects to automate work in the company I am working for and have come to the following problem: I have a VBA6 program I have successfully programmed to calculate the costs of our fasteners and anchors, now it is …

Problem: Write a program that uses a loop to display the characters for each ASCII code 32 through 127. Display 16 characters on each line with one space between characters. I have tried solving this problem several ways. I either get blank screen or numbers 1-16. Can anyone lend a …

Hay im trying to find the average of the columns. but i can onli get the average of the rows. my code is like so . . [CODE] for (int l = 0; l < list1.Count; l++) { float sum = 0.0F; float average = 0.0F; string[] list1Values = list1[l].Split(','); …

I found a link to javadoc for JXSE 2.7 from [url]http://jxse.kenai.com/Tutorials/Tutorials.html[/url] which provides a link to javadoc on kenai.com but either the link is broken or the java doc is moved elsewhere. If anyone know working link to JXSE 2.6 or 2.7 please let me. Thanks

Is it possible to set a object's value, and once that value is set not allow it to change? I could write a method to do it, but I wasn't sure if there was some sort of modifier I could use? I need to set a value once, and not …