Software Development Forum

Hi Frenz! Please go through the following program made for matrices:- [code=cpp] template <class T> class Matrix { private: int dim1;int dim2; T **mtx; public: Matrix(int a) { dim1=dim2=a; mtx=new T*[dim1]; for(int i=0;i<dim1;i++) mtx[i]=new T[dim2]; } ~Matrix() { delete []mtx; } Matrix<T> operator +(Matrix<T> M) { Matrix C(dim1,dim2); for(int i=0;i<dim1;i++) …

Hello everyone. I've run into a problem with regular expressions; the extraction "variables" ($1, $2, $3 etc.) are read only and scoped to the current block. If you need to do two regex extraction operations in the same block, is there a way to reset the ($1, $2, $3 etc.) …

Hello, I've been creating a page in php that needs to invoke heavy calculation functions for which I've created dinamic extensions for linux (.so) in c++, but there's one problem I have in one of those functions, I need to modify an array passed to that function by reference and …

i'm using the included cd that came with my Deitel Deitel Third Edition C++ book. Help / about tells me i'm using visual C++ 6.0 I'm trying to compile a piece of code i wrote in FORTRAN. The code runs and accepts changes to my namelist but does not compile …

Hello, there: I am trying to calculate to the inverse of matrix A. How to call function to main part? How to write the code for a matrix? Can someone help me modify the errors? Thank you very much! -------- [code=c] #include "matrix.h" Matrix solve(const Matrix& A, const Matrix& B){ …

Is there a limit to how deep you can go with inner classes? Like having a class within a class, within a class, within a class, etc.... I'm just curious.

Unable to correct this [code] void main() { char string[20]; char *aString=string; function (aString); } void function(char *name) { cout<< "enter name"; cin >> *name; cout << name; } [/code]

Hey all Basically, I am trying to get my head around data validation. I am very new to C, in fact I have only been doing it a few days. I am trying to make a simple currency converter that validates that the data is numerical. Alos, I would like …

Hi i am making a simle gui using wxpython and here is the script [code] import wx class bide(wx.Frame): def __init__(self): wx.Frame.__init__(self, None, -1, "just a test", pos=(0, 0), size=wx.DisplaySize()) panel = wx.Panel(self, -1) statusBar = self.CreateStatusBar() toolbar = self.CreateToolBar() #toolbar.AddSimpleTool(wx.NewId(), images.getNewBitmap(),"New", "Long help for 'New'") toolbar.Realize() menuBar = wx.MenuBar() …

Dear all, im new to this forum.can u pls help me to do this one. i am reading a particular pdf file and searching for a particular word and how time it occured means number of occurences in that file.. pls assist me to do this one Thanx in advance.. …

I'm creating a simple little macro that draws a chart from some data in Excel. The frustration comes because every time my macro draws a chart, it sequences the number. The first chart is "chart 1" the second is "chart 2" even if "chart 1" no longer exists. I know …

[COLOR=#0000ff][code]#include<[/code][/COLOR][code=c][color=#800000]iostream>[/color] [color=#0000ff]using [/color][color=#0000ff]namespace[/color][color=#000000] std;[/color] [color=#0000ff]consta[/color]code][color=#0000ff]nt[/color][color=#000000] namesize=21;[/color] [color=#0000ff]void[/color][color=#000000] getName([/color][color=#0000ff]char[/color][color=#000000],[/color][color=#0000ff]int[/color][color=#000000]);[/color] [color=#0000ff]int[/color][color=#000000]main()[/color] { [color=#0000ff]int[/color] index=5; [color=#0000ff]int[/color] count; [color=#0000ff]char[/color] names[21]; [color=#0000ff]char[/color] *aString=names; [color=#0000ff]for[/color](count=0;count<index;count++) { [color=#0000ff]char[/color] names; getName(*aString,index); cout << [color=#800000]"You entered: "[/color]; cout << &names; } } [color=#0000ff]void[/color][color=#000000] getName ([/color][color=#0000ff]char[/color][color=#000000] names[][21], [/color][color=#0000ff]int[/color][color=#000000] index)[/color] { cout << [color=#800000]"enter a name: "[/color]; cin >> names[index]; } …

This block of code will compile, but gives me a runtime error: before the first comment is a header that is included in the file that you may need to analyze my code. [code= c] typedef char *string; typedef struct { string fieldName; string value; }oneField; /* this starts the …

I know that Pyhon compiles source code to a Byte Code before the interpreter works on it. What does this Byte Code look/behave like?

Say I have an edit box in a MFC application (let's call it IDC_EDITBOX), and I enable (because I have it greyed out by default)it using [code=c]GetDlgItem(IDC_EDITBOX)->EnableWindow(TRUE)[/code] How do I set the focus to that control? In other words, when I enable the control, how can I get the cursor …

I'm pretty much new to using files, so I'm not sure if this is a banale question. Here's the assignment: "[I]Each line of the file dec.txt contains a whole number (>0). Write a program that creates a file called hex.txt. Each line of this file is to contain a string …

I am working to add some simple user input checking into my program; there are three (3) int choices from a menu-- 1, 2, or 3. The user must choose one of these. I am able to check whether or not the input is 1, 2, or 3-- but I …

Hey, while doing an assignment I came across a code. however, when I run it I get no output. would like to know why if anyone knows..... [code] #include <stdlib.h> #include <stdio.h> int main(int ac, char** av) { unsigned register int j,sum,dcnt, limit; unsigned int number,max; if (ac != 2) …

I keep reading about endless loops, is that something you want or do you always have to control an endless loop situation?

Hi all, Platform: winxp Version: Python 2.3 I have a task of reading files in a folder and creating an one excel file with sheets, one sheet per file, with sheet named as filename. I am facing problem in handling special characters. I am using XLRD and XLW package to …

Hello. I have this problem: I have a let's say [1000] char string and i want to split and print this on the screen on more lines, so that each and every line has MAXIM 43 characters. The string may contain spaces and the words would be printed on the …

I really dont know what category this should go in but, I would like to connect to a server made in vb to get data, how would i do this and how would i get php to send data to the server?

the problem is that, the function is only replacing the number that I want to delete with th number after it, but everything remains the same after. e.g. it is showing me 1 2 3 5 5 6 7 8 9 10 [code] #include <stdio.h> int rem(int a[],int pLen,int pos) …

Hello Friends... I've written a code for Simulating Paging algorithm using LRU... The code is in the attached file. Now on windows... it is executing perfectly, giving the output i desire... but on Linux REGAL gnu compiler, it is giving me the error... Error file is attached... as error2.jpg SEGMENTATION …

hi members...please help me about this code...the sum code is like the attachment below...

I am writing a MFC application and would like to change the font size of some of the static text. So I use the following. [code=c] CFont m_font; m_font.CreatePointFont(120,"Times New Roman"); m_Test.SetFont(&m_font); m_Test.SetWindowText(strTest); [/code] Now my question is, how to I get the layout editor in Microsoft Visual C++ to …

I have just started C++, i have problem in understanding virtual functions. can anybody tells me what are v.f. and most important what is there importance in C++. Thanks

My problem is....i have done a project in VB.NET with SQL SERVER as the database. My project was running perfect until last day when i tried to run the project i got some errors. Errors : 1) Could not copy temporary files to O/P directory 2) The file Call Center.exe …

Hi all... I have just started scripting in KShell and I have this code that extracts information out of a database under different fields. Now, if I further want to refine the data that is being extracted, say matching with a particular term under a particular field, can you please …

I am still struggling with understanding the creation of objects. For example. int[] x = {4,5,6}; int[] y = new int[x.Length]; Why is it that for the first array, we can initialize it without the use of the new keyword yet in the second line, we need the new keyword? …

how can I force program in pascal to write its own source code from .exe file?:-|

Hello there. This is obviously my first post on DaniWeb, as I just found the site in searching for a solution to my issue. I've read over the site rules, as well as the forum rules regarding homework help. Let me start out by saying I am [U]not[/U] looking for …

I'm having a hard time generating a "secret word" that is random. I'm taking a random word from the wordList array, and using it in the playOneRound function. Here is part of my instructions: [code] Using wordList[wordnum] as the secret word, this function plays one round of the game. It …

Hi everyone, av been trying to come up witha program that will tell if a string is a plindrome.This wat i did and i can't realise the error; [code] #include<iostream> #include<string> using namespace std; int main(){ string s; string s2; getline(cin,s); s2=s; string::iterator pos; string::iterator pos2; bool check;check=true; for(pos=s.begin(),pos2=s.end()-1,pos!=s.end(),pos2!=s.begin()-1,pos++;pos2--;){ if(*pos!=*pos2){ …

I'm working on a plugin system for my application. The plugins are in the form of a dll loaded by my application using [inlinecode]LoadLibraryEx[/inlinecode]. I store information about each plugin in an arrray of structs: [code] typedef struct _InternalPluginInfo { UINT ID; HMODULE Module; int Flags; PluginInfo Info; } InternalPluginInfo; …

Hello. I'm having problems filling an array from a text file. I cann't figure out how this works with getline. I can read read and store ALL the lines, but what I'm trying to do is to store ONLY the names of the employees (from the text file) to a …

Wrestling with more concepts here... Other than the syntax, there doesn't ssem to be much difference between the aggregation and public inheritance. Pretty much they allow the usage of functions from another class-right? One can slightly modify the the inherited function but not the aggregated ones? Why so many ways …

In need some homework help again. Please I am new at this and PLEASE PLEASE do not post YELLING post at me for wrapping the code because I don't know what that is. If you would like to explain it to me in plain english I am willing to learn. …

[code]//This progam accepts marks of 4 different subjects by 5 students. //Then calculates the average score of each subject and displays the result. #include<iostream> using namespace std; //This functions, get the average of each subject. int avrgProg(int PDenis,int PTriza,int PWinnie,int PTeddy,int PJoy); avrgProg= avrgp; avrgp=(PDenis+PTriza+PWinnie+PTeddy+PJoy)/5; return avrgp; int avrgSD(int SDDenis,int …

I know absoulutely nothing about compiling source code other than you need MS Visual Studio to compile it. I have the express (free) version of it, can you compile in this version?

I am writing a MFC application and need to have the program pause for a few seconds. I am trying to use the OnTimer event and am having troubles. The following code causes the program to freeze and stop responding [code=c] m_iCount = 0; SetTimer(ID_TEST_TIMER, 1000, NULL); while(m_iCount <= 5) …

So I have been plugging away at this program. I had to create a menu and have 3 sections. Section A asked for a limit, then the user enters that many numbers and it tells them which number was the largest. DONE that. Section C quits the program.. that works …

I'm trying to write a function that takes an array of unsorted positive integers N elements long. The function should return the same array (no new allocations) with all duplicated integers replaced with -1 and moved to the end of the array. So for example, the string: 1136788999 becomes ... …

Hello, I'm having a Form.Show() hang up on me. I currently have one class that has a listen() method that runs in its own thread. Then I Have another class that is my actual Windows Form with all the GUI stuff. The listen() method calls methods of my Windows Form. …

here's a piece of window procedure. What does DefWindowProc do in this program. [code] LRESULT CALLBACK WndProcedure(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam) { switch(Msg) { case WM_DESTROY: // user wants to exit PostQuitMessage(WM_QUIT); break; default: // Hand off unprocessed messages to DefWindowProc return [B]DefWindowProc(hWnd, Msg, wParam, lParam)[/B]; } …

If I want to see a Dll file of a Program,and I have not find it in the declares and the 'system' file. I know it is there,how can I find it? thank you!

Once I completed the following code, compiled.....this is what displayed: Number of 'mild' jars sold. (That's it). Is there something wrong with my C-prompt? Did I miss something? the code is sappose to: [COLOR=#000000]Prompt the user to enter the number of [/COLOR][COLOR=#000000]jars sold for each type. Once this sales data …

Which Graphics User Interface (GUI) would you recommend for a beginner? I have seen some examples of Tkinter, wxPython and GTK.

Hi again, I have the following question, I have the following problem: I have an array and a function that receives the array, the problem is that the function is declared like this [code] void MyFunc(int **my_array) { for ( i=0; i<10; i++) (*my_array)[i] = 0; } [/code] And when …

need visual basic codes for dictionary search to take care of situations when people type in wrong spelling. Examples like google search engine, when people type in wrongly search engine actually helps to correct the words that are spelled wrongly Also need visual basic codes of auto fill in of …