Software Development Forum

Hi, I'm new to programming so please excuse any obvious questions. I have a text file with the following entries: mydescription, myword yellow, mango yellow, banana orange, orange green, pineapple green, mango pink, mango What's important is that there is no order, both the 'mydescription' field and 'myword' change randomly. …

hello guys, I need help regarding with my listview how will you make in listview if the name is already exist in the listview it will no longer accept or there is a msgbox("name already in listview") and the name is in the first column of the listview. Or what …

the problem stats" [B]copy instructor:[/B] initializes a copy of an IntSet given another IntSet as a parameter. The new IntSet is a copy of the IntSet parameter. i need to copy my class using a constructor. IntSet is the class which is a class for setting up arrays as true …

Hi, I am just trying to do some down casting. here is the code. [CODE] class Base { public: void virtual test() { cout << "Base Test"; } }; class Derived : public Base { int i; int j; public: void testD() { i = 8; j = 9; cout …

Stupid question I know. But I have looked for HOURS on examples of how to do this. Every single example I can find uses streamwriter or streamreader which reads and writes text, not byte arrays. Is it possible to get a byte array from a CryptoStream? The closest I can …

VB2008 won't let me drag my lblBase class from the toolbox onto a form in design mode. Why? Is there a way around this? [CODE]Public Class lblBase Inherits System.Windows.Forms.Label 'Public Sub New() 'MyBase.new() ' Me.BackColor = Me.Parent.BackColor 'End Sub End Clas[/CODE]

One aspect of comp science that really lets me down is loop invariants. A question from a past paper that i cant get is to find the loop invariant of the following segment of code: [CODE]bool linearSearchIter(int a[], int n, int target) { int i = 0; bool found = …

Hey pals anyone know : I need a code under a cmdhelp that 1. opens the windows help 2. Opens a file in the database containing help msg on the project. I also need to know how i could link a folder with my project or lets say a text …

Hi, I'm trying to find a way to make some kind of monitor in C. I found this but i get : error: config.h: No such file or directory error: glibtop.h: No such file or directory error: glibtop/error.h: No such file or directory error: glibtop/cpu.h: No such file or directory …

print a list of integers from 1 to N that are both divisible by 2 and 3.and after producing the list, count the numbers of integers found.

hey guys can u help me with this the problem of this code should delete only the selected item from the listview in a report.txt but this code delete all the data in the txt file whether i selected only one data from the listview.... [CODE]Dim myFile As String = …

Hi, I have to pass a void pointer in a function and at the other end I have to read some values from this void pointer. I planned of creating a class and setting up required variables into an object and then I set this [CODE] void* ptr = obj …

I would like to check user input value against a declared final variable to make sure it does not exceed the final int variable for the purpose of using in a try-catch-finally. [CODE] final int variable = 20; // Variable declared for max allowable int userInput = 0; // Used …

This function should take as it's arguments two integer values. The function should return the smaller of the two values. From main ask the user for two integer values. Pass the two values to your smallest function, then print out the returned value. I am new to c++ and struggling …

Hi I was just wondering if I create a pointer using the new operator and then I call the new operator on that same pointer later on would that overwrite the existing pointer so that I do not waste memory on the heap or do I have to delete it …

[CODE]import java.util.Scanner; public class Highest{ public static void main (String [] args){ Scanner kb = new Scanner(System.in); int scores [] = new int[3]; String names [] = new String [3]; int highest = scores [0]; String names1 = names [0]; for (int i = 0; i<3; i++){ System.out.println("enter name and …

I just learned about heaps today. It looks like STL wants you to create a heap by first creating a vector, then using make_heap from <algorithm>: [code] std::vector<SimpleClass> Numbers(8); // ... populate ... // convert Numbers into a heap make_heap(Numbers.begin(), Numbers.end()) ; [/code] Why is there not a <heap> just …

[B]constructor with array parameter.[/B] Internal array is assigned values as indicated by the parameter. An example of the use of this contructor is: - int values[] = {2,5,7}; - IntSet a = new IntSet(values); // create a set with elements{2,5,7} im very very confused on his wording, i dont know …

So I have a file I wanna put its content in an array and that needs malloc or new. I do that on a large project, it was working fine but i guess some changes were made to this project and now that malloc causes a crash and "char* array …

My program requires that the user input values for an array do not exceed a declared final int variable. To control this I wrote this code to catch and throw exceptions in order to prevent computer from crashing the program. There are two conditions to be handled. (1) Exceeding array …

Hello everybody, really need some help getting this code to add up even and odd numbers from a set of integers. But it also needs to default or continue through if input is incorrect (i.e.- $,@,#,3.4) and so on. Here is what I have so far. Thank you. [CODE]#include <iostream> …

Hi.... I have a datepicker that contains an alternate key of an Access Table with a autokey primary key. [code] Private Sub DateTimePicker1_Validating(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles DateTimePicker1.Validating Dim d As Date = DateTimePicker1.Value If d < Today Then MsgBox("Gelieve een datum in de toekomst te …

Hi, I am writing a program in VB6 where I'm adding an "Import/Export" option to the file menu. Starting with export, I basically need to find all files matching a particular filename and zip and export them to a folder. Currently I am simply finding all the files (with different …

Im trying to insert items into a BST from a txt file. For arguments sake the data file is just the integers 1 2 3 4 5 6 7 8 9. When i try to do a inorder traversal, all that is outputting is the first and last number. I …

[CODE]import javax.swing.*; import java.text.*; public class Postage3{ public static void main(String args[]){ double weight, cost, count; int choice, choice2; DecimalFormat df = new DecimalFormat ("0.00"); choice2 = 1; while(choice2 == 1){ weight = Double.parseDouble(JOptionPane.showInputDialog("Enter weight of postage according to ounces")); if(weight <= 1){ cost = weight * 0.30; } else{ …

Sorry if this is repetative but still struggling with this. i wish to multiply 2 long integers together. if the result is outside of int64 range i want the loop to break otherwise i want to keep the result and increment the second number. have tested this, but when the …

Hello I'm looking for the correct method/way for reading & writing raw JPEG image binary data. I am obtaining the raw data via TCP stream, the official JPEG specs say that the raw JPEG image data starts at HEX value 0xffd8 & ends at HEX value 0xffd9 as below... [CODE]Start …

Hi I'm looking for good tutorial/s about using boost::regex with c++ code examples any links would be really helpful... Many Thanks Steve PS not tuts about setting up boost, done that already.

Hi there, I've just switched to Eclipse. I've been using TextPad so Eclipse is pretty cool.. But I've been getting weird error messages that I don't understand/not used to. Here they are: [CODE]JButton btnEnter = new JButton("Enter"); btnEnter.addActionListener(this);[/CODE] Here the Error says: Multiple markers at this line. -Syntax on token …

Hello guys, i'm studying the Java programming language. every thins were going very well, but once i have encountered RECURSION i started to feel so bad. there is a recursive method that is blowing my mind. I can't figure out how does it print that the sum of a set …

Hi, I would like to create a table as attachement below is VB6, may I know what component name of this table? is this DBGrid? Thanks!

Is there a way to hide functions and such when they happen? Example: [code=syntax]print func(x, y)[/code] from showing up when you run it? I want it still printing, just not visible. I want it to print.

Hey there, I'm having trouble getting my program to read the last instruction of the file, and so far, I haven't been able to figure out why. Any help would be appreciated. [CODE]/* The Simpletron Machine Language Program. The purpose of this program is to simulate a primitive computer. This …

I am working on a couple projects where I need to upload files from a client using my software to my webserver and then do some other things. But I would like the software to handles this automatically so the user doesn't have to worry with it. I am currently …

Hello can you help me,i have problem of this if i will use scanf("%c",&repz); my porgram will exit it will not loop to menu..but if i will change to %s this will loop to menu...but i declare variable repz as char...can you help me or explain on this why it …

wen i write the data to notepad,i get the result below: <SRT>,160,[COLOR="Red"]161,[/COLOR] NEW,1001,1001,CAAB IMS,OTHER,31-12-07,MYR,28-09-10,1111,A,4127288.4600,0.0000,31-12-07,0,AGF,MYR,100101 NEW,1001,1001,CAAB IMS,OTHER,31-12-07,MYR,28-09-10,1111,A,175000.0000,0.0000,31-12-07,0,AGF,MYR,102101 <END>,[COLOR="Red"]4302288,[/COLOR] wat i wan is like below: <SRT>,160,[COLOR="Green"]161[/COLOR] NEW,1001,1001,CAAB IMS,OTHER,31-12-07,MYR,28-09-10,1111,A,4127288.4600,0.0000,31-12-07,0,AGF,MYR,100101 NEW,1001,1001,CAAB IMS,OTHER,31-12-07,MYR,28-09-10,1111,A,175000.0000,0.0000,31-12-07,0,AGF,MYR,102101 <END>,[COLOR="Green"]4302288[/COLOR] i don't wan [COLOR="Red"](,)[/COLOR] behind 161 and 4302288 Hope hav sum1 can answer my question.Thanks... [CODE] For Each row In dt.Rows …

I have a string in Python that is comprised of code in C/C++ syntax. I would like to use regular expressions to search through this string and replace an expression of the form 'pow(a,b)' with 'a^b' I've attempted to do this, but my code does not seem to be working. …

I would like some help to index through an empty array and fill it with 10 entries one at a time. The objective of the task is to create a GUI with two buttons, one (Store) to save the value into array position and second (Quit) to run statistics calculations …

I've got a question about navigating memory streams. Memory stream properties aside (like making sure the stream can use seek etc...) if someone is storing variable or dynamic data in a stream, how can you retrieve that data? Like, for example if a user could store an image from their …

I have an assignment that i need to do and i have no idea how to do this, I was hoping someone would be nice enough to help me out, its a begginner program that needs to be done in visual stdio c++: Heres the assignment: Try to write a …

I have 6 rows of items in a ListView within 2 columns that are listed like so: [CODE]1 Milk 2 Pepsi 3 Juice 4 Water 5 Coffee 6 Tea[/CODE] I'm trying to make it so when you modify the number in the first column, it will sort the list based …

I am trying add two polynomials by overloading the + operator. When I run the program it only adds the first coeficients. I cannot figure out why it is only returning the first coeficient. [CODE] //header file #include <iostream> using namespace std; #ifndef _POLY_H #define _POLY_H const int CAPACITY =100; …

This is probably an easy one that i know but its not coming to me. Im supposed to be hardcoding the 6 instances of a movie class into the array that i have set up. I am unsure where i would do that in my actuall code. [CODE] public class …

hi, i have this code: [inlinecode] HINSTANCE hComponent = ::LoadLibrary("Component1.dll"); [/inlinecode] i get this compile error: Error 1 error C2664: 'LoadLibraryW' : cannot convert parameter 1 from 'const char [15]' to 'LPCWSTR' c:\Documents and Settings\Administrator\Desktop\Component1\Client1\Client1.cpp 9 so i changed the code: [inlinecode] HINSTANCE hComponent = ::LoadLibrary((LPCWSTR)"Component1.dll"); [/inlinecode] however GetLastError returns …

Hello everyone this is my first post on the daniweb community. Currently I am home sick with a nasty cold so I was trying to solve a programming problem on a wonderfull sight called Project Euler. The problem is as follows: If we list all the natural numbers below 10 …

Hi- Trying to rename a file using the rename() function. It works, but it appends an '@' to the end of the renamed file. Here's my code: [code=c] char oldname[] ="file1.csv"; char newname[26]; newname[0] = '3'; newname[1] = '1'; newname[2] = '1'; newname[3] = '3'; newname[4] = '3'; newname[5] = …

I am getting the following error when I try to access my Resource Files in Visual C++ v6 "The file is already open in an editor." I've tried closing all windows in the IDE and closing the project, even tried logging out and back in. All to no avail. A …

Hello to everyone, Well I'm a noob to C++, I just started two weeks ago, I'm trying to get a good head start before I start college next semester. I've done simple programs, but now I'm trying to create a body fat percentage calculator I guess you could say. but …

Hi just a simple n00b question. I need to split a string (from a .obj 3D model format) into a list of three doubles (the vertices). example string: v 0.200006 -0.093641 0.584690 I want to make it into an array of (for example): {0.200006, -0.093641, 0.584690} I can get rid …

Create a Person class to represent a person's contact information. Your Person class must consist of the following: PRIVATE members: string firstName,lastName; birthDate //you get to choose the data type, but the type you choose must be able to maintain a // 1 day resolution PUBLIC members: 1. Default constructor …