Software Development Forum

I have created a few applications in MFC. But I want to start saving the contents of them to files(just like word,guitar pro or paint). I tried serialization provided by MFC but I didn't like it that much because I couldn't check anything that was saved at all. So,I wrote …

Hi, I'm having trouble understanding how I should use pure virtual functions in my inheritance tree. I've drawn a class diagram which shows what I'm trying to achieve: [img]http://i42.tinypic.com/2qjdttd.jpg[/img] Here is what I've written: [B]main.cpp[/B] [code] #include <iostream> #include <string> #include <list> #include "base.h" using namespace std; int main() { …

first i had partioned my array into two subarrays. Then the quick sort switches to insertion sort for sorting the small sized subarrays. But the error is logic error, because when i enter 15 inputs, the first and the last inputs are not sorted at all..I think error is in …

Hi, i didn't know whether to put this under C or Shell scripting so i chose this one. Well I am doing a piece of shell scripting and have written some code. and basically when i run it no prompt shows up so i cannot type commands like help or …

I'm creating a program that maintains a log file. The file is created at the start up of the program and appended to throughout the run. This works perfectly fine, but I went and manually added the program to run at start up in the registry. The program runs as …

I am using char * for getting data from the user. Now, if i just do [CODE=C++] char * data = new char[100]; cin >> data; [/CODE] The data is corrupted, i.e. only data before whitespace is stored; and the following is an example result: [CODE] enter: "Microsoft Co." data: …

So i guess the titles says it all i m trying to create dynamic structure of adjacency lists and i m having some errors since i m a little new in C anyone mind taking a look at it and tell me of any mistakes i might be doing STRUCTURES …

Hi, i've problem with reading arguments on command line. I don't know, how do I distinguish, if the user entered some argument with one or two dashes. I try: [code] while($ARGV[$i]) { if($ARGV[$i] == '--anything') { print "The argument with '--'.\n"; } else { print "The argumentwith '-'.\n"; } $i++; …

sir i have no idea about the graphical work in c...bt i want to learn those things...how can i learn?????plz show me some way..

Hi all, I'm new to this community. I am doing a project that I'd have to write a program to connect 2(at least) PCs together. each PC works as a server and at the same time as a client, which each of them can download the file which is shared …

Dear all, I have to use a funny structure in my code which has a 2D array and allocate it in the program. I do not know how to use malloc for that. This is the code: #include <stdio.h> #include <stdlib.h> #include <math.h> #include <string.h> #define NUMBER_DECISION_VARIABLES (int)4 #define DIM …

Hi, Im new to java and was wondering if someone could help me with my problem. Im writing a program which will calculate how long a journey will take, the user will need to enter a character to represent what type of road/speed they are doing and how long the …

hy im having a little problem with a loop with jgrasp here is my basic program [code] import javax.swing.JOptionPane; public class loops1 { public static void main (String[]args) { String name do { String name = JOptionPane.showInputDialog ("who is the cleverest person in the room?"); } while (name != "erin"); …

import java.io.*; public class EggTrader { public static void main(String[]args) throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int numofEggs,EggCount,Cash; double cashOnHand = 500; double pricePerdozen = 72; double unitPrice; public void buyOneDozen(double pricePerdozen) { numofEggs = Integer.parseInt(br.readLine()); numofEggs = getEggCount(numEggs,cashOnHand); } public void sellEggs(int numEggs,double unitPrice) { numofEggs = …

Dear all, I have to use a funny structure in my code which has a 2D array and allocate it later in the program. I do it but I get error which is written below. I have urgently to finish this part of the code. Would be agreat help if …

how do i write a program that a user can input 3 numbers (between 0 and 100), then the program will compare if the numbers are bigger are smaller than each other, and weather each number is smaller than 100 or greater than 0. required 2 class file in one …

iam a noob at c++ and trying to learn it so go easy on me. basically i am trying to enter a some letters such as 'helody' and then check the letters it has in it and place the remaining letters of the alpahebet after it. so afterwords it would …

Oh do I need some serious help! lol. I'm working on a phone book in python. For some reason when I select the option, enter....say....the last name, even though it's on the file that my program is reading it tells me that it's not there. Can somebody please look at …

Hi! I've been looking through online materials on this matter with no concrete definitions of what I can do with this. I am trying to export some of the functions from my class residing in my executable. I have tried every which way I can imagine but the variables I …

Is there any function like this ? [url]http://wiki.sa-mp.com/wiki/Strmid[/url] Thank you :icon_cheesygrin:

I was wondering if anyone helps me in the following case..? There're two prgs A.py and B.py A.py has two classes class x class y and class y has some print statements. I want to import 'class x' to B.py and using the following statement in B.py from A.py import …

hi ... im trying to write a function that tells you if the time you called is a correct military time .... heres what i have so far [CODE]def valid_mil_time(mtime): if mtime <= 2359 : print ("true") else: print ("false")[/CODE] but if i was to call it, it looks like …

First time poster, but longtime lurker. I've solved a million other problems with other threads, but this time I'm still stumped. My program is meant to take an array of dates and be able to change them, add days, and resize the array. It compiles OK, but I get a …

I have been attempting to write a program that takes an input from a button class and a graphics class that creates a gui for a game called three button monte. So far I've been able to get it to sort of work. The point is to have the "game" …

Hi, thats very weird..if I pass my RECT by reference notting wrong happens, bu if I pass by value, the numbers get crazy. The correct values are: {top=159 bottom=480 left=400 right=640} What I get passing by value is: {top=0 bottom=1 left=1964816 right=1058984360} This happens at the first moment it enters …

hi, everyone i want to ask about EOF in C++ when i learn C to use EOF in my code is like this : [CODE] while (scanf("%d",&a) != EOF){ statement ... } [/CODE] but, when i use in C++ { [CODE] while ((cin >> a) != EOF){ statement ... } …

Hi all, This is not a post about simply recvering user input with raw_input() and then using eval(), nor for input() use . I remember having used this once, but can't get a hold of the old code so I turn to you for fresh ideas. I am planning to …

what program will use with to problems.... write a program that will convert decimal to words... maximum exceed 3000. ex. 300= three hundred 32=thirty two 1002= one thousand two write a program that will convert a decimal to roman numeral.. maximum exceed 3000. 1= I 5= V 10=X

Hello, I'm writing some C code for a class, and as part of it, I'm dynamically creating two two-dimensional arrays. One of them is a dynamic array of dynamic arrays - so I know that to clean that up I need to loop through each array and use free() before …

hey, im new here and i need help in installing vb.net express edition 2008 in windows virtual pc - win xp, i use win7ultimate anyway. When install, it goes like this. please help i badly need to run it. I have installed MSsql 2000 and 2005 in virtual xp w/ …

[code] #include <iostream> #include <string> using namespace std; class GuessAccount { private: string guestname; int guestid; double internetbill; string entrydate; int nodays; int noguest; double presentfees; double totalfees; public: void setguestname(); void setguestid(); void setinternetbill(); void setentrydate(); void setnodays(); void setnoguest(); void setpesentfees(); void settotalfees(); void displayinfo(); }; //implementation section …

I have a two input text field window in which users input an ID and Password. I then need to compare these passwords to allowable users. What would be the best method for associating each unique password with its specific user id?

Hi im continuing to practise for c++ for when I go to uni next year and i have a problem with a practise example I have been given. I have set it up so the user can define the shapes and size etc, but I am unable to work out …

Hi Guys! I am doing a shopping Mall Project! I want that you people give me suggestions in order to make this project perfect... Regards Nouman Ayub.

//less than 10= "too cold", 10-20= "avarage", 21-30="hot",bigger than 30 ="Too Hot" import javax.swing.JOptionPane; public class TmaTwo { public static void main(String[] args) { int number; int temp; String numString; numString = JOptionPane.showInputDialog ("Enter temperature:"); number = Integer.parseInt(numString); if (number < 10 ) JOptionPane.showMessageDialog(null, "Too cold", "Output", JOptionPane.INFORMATION_MESSAGE); else if …

Hi, I am a student who has been given the following assignment. Before I am reprimanded for posting asking for assistance without providing an attempt at code, please allow me to explain. We have been given the assignment shown below with no explanation. We have not covered any of the …

I want to print each first character of a List of Array in upper case using C. For example, if I have Array of these elements char *d[] = {"water", "salt", "sugar", "milk", "soda"}; I want my function to print them like this Water Salt Sugar Milk Soda I will …

hi everyone i'm sorry i know i am asking simple questions but i really cannot understand the problem with my code here i wrote a code for the cash register ( except two buttons : clear and delete ) but it doesn't work i think something is wrong with the …

Please could someone help me? my merge sort code is not sorting properly. this is the code: [CODE]#include <iostream> #include <string> using namespace std; void mergeArray(int a[],int sizeA, int b[],int sizeB,int result[],int *size); void display (int c[],int num); int main () { int a[]={45, 88, 12, 23, 65 }; int …

Hi :) Is there any way to look up a character's Unicode line number? Ex. Capital letter A's line number (hex) is 41 capital B is 42 etc. (more info [URL="http://www.utf8-chartable.de/"]here[/URL]) Or would I have to put them in an array manually? thanks :)

Hi Experts In VB .net form, How I can close/off Title Bar and how can set border width = 0 or close Border

hi there, im very much new in programming, and i'm having a hard time in comparing two datafiles using c#, when im adding the while loop it doesnt work, but when i remove it, it compares the first line of my datafile, what i want to do it to compare …

Please help me out with syntax mistakes [CODE] fun rappend(L1,L2) if null L2 then L1 else rappend(tl(L2) @ L1, hd(L2)) [/CODE]

hey guys, girls, others. i have a pop down widget and one of the options in the pop down screen is "Exit" which means quit. I want to know the code for clicking that "Exit" option and then it Quiting the whole program. here is my code for the pop …

Hi all, I'm new to JTable. I have two buttons "add Row", "Del Row" and I have some records displayed from db which contains an auto increment column. when ever "add row" is clicked a new record will be added to JTable with a auto increment column number displayed in …

hi i m new to learning perl please anyone tell me how do i start learn it? Which libraries are used in perl...? From where to i can get all these information? Give me brief introduction about perl.......

Hi All, Does anybody know how to [B]defragment windows registry[/B]. We googled and found several free tools doing the same.But no tool is having open source. One tool is there - '[U]UltraDefrag[/U]' which is open source tool written in 'C' for file defragmentation. Please provide help in searching open source/ …

How do i make a code so that i can open a file if the person that is using it types 1 for yes or 2 for no Heres my code, [CODE]#include <iostream> #include <fstream> using namespace std; int main(){ // for logging in int Pass, Name; Pass = 159876; …

Hey guys, I'm using a Point array to transfer to my panel class that draws the image. The reason I'm using coords is because it shows where the character is in the tileset for directions Ie. (20,5) is right step facing up. anyway its coming up with null pointer and …

Hey all, I wish to execute a shell script on click of a button from a simple html page. How do I do this? Need help!!! Thanx, Shreerang Patwardhan.