49,757 Topics
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| | [CODE]string subChoice =""; getline(cin,subChoice);[/CODE] Can anybody help me??? What these lines do? and how are to be used?  |
| | I think I'm there, but I'm not sure if the insert() is correctly doubling the dynamically allocated memory. In an attempt in my insert() I tried to: 1 double the allocated memory (not sure if that was accomplished) 2 copy original values to the newArray 3 free original space 4 … |
| | Hello, I am trying to optimize or make my code faster and I am not so sure how. So I have two level nested for loop and inside there, I assign value to the array. For example, [CODE=c]tmp[0]=*ptr; tmp[0]=100;[/CODE] I found out that the second one is faster than the …  |
| | How can I create the map size, [CODE] #include <iostream> #include <fstream> #include<string> using std::ifstream; bool msize(int Height,int Width){ //add code return true; } bool draw_map(char* Filename,int Width,int Height){ if(Width<1||Height<1) return false; msize(Height,Width); ifstream file; file.open(Filename); if(file.is_open()){ while(!file.eof()){ for(int x=0;x<Height;x++){ for(int y=0;y<Width;y++){ if(c!=']'){ file >> map[x][y]; file.get(c); }else map[x][y] = …  |
| | Hello. I'm creating a program with dialog editor. How can i set bitmap on button? I set bitmap at properties to True. I tried to search on google but i could only find how to set bitmap on button created with CButton. Thank you |
| | hi guys...when we have used Sleep() function, then how can we get out of this Sleep() function....Lets suppose we have used Sleep() for 10 minutes and I want to terminate the prog after 2 mins, here is the situation im using [code=c] someFunc(); printf("\nProg will not terminate for next 5 … |
| | Well, I've recently been getting into developing drivers, so I thought I should make a class to programmatically start services. But of course, I ran into some trouble on the way, as usual. I'm using StartService to start it, but for some reason it just hangs, I've done some research … |
| | 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 … |
| | I am needing help figuring out how to get this program to function correctly. The program is developed in order for a user to type in any number and it will tell if the number is prime or not. This works, however, I cannot figure out how to get it …  |
| | I am studying further about C++ and come across a topic which describe method to avoid multiple inclusion of header file, which may cause compilational problem. But I never seen such problem, I've tried to mimic the situation with the below files in Visual C++ 2008 express, no error prompted … |
| | regarding with islower() argument, I tried to make a script when I enter the letter with lower case, program detects it and told me that but how i used if else loop but something is wrong, error is seen on islower? my program [CODE]#include cstdlib #include iostream #include conio.h #include … |
| | 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 … |
| | Hello. I'm kinda new to C++ and want to play two beeps through the system speaker (PC) (Using Beep() of course) at the same time for a song I'm working on. I heard about multithreading, but, as i am only slightly experienced in c++, am having trouble understanding it. Could … |
| | i was able to make an add functin for a binary tree. in my code, i am able to add a string for the name, university and and int value for an id. now, i need help being able to search the binary tree for a specified id, then return … |
| | hello there I was wondering how would we print numbers like xxxxxxxx.xxxx using cout? I know we can use setprecision() to get the decimals right to the dot. But i am looking to print the numbers left to the dot.ex: 00000012.12345 is there a way that i am unaware about … |
| | As i am new to use mouse interface in c. Please tell me how can we check mouse is connected or not. How can we get co-ordinate from computer screen when we clicked it. i just want that how can we store co-ordinate of screen in variable when we clicked …  |
| | I'm having trouble displaying a string and integers through the use of stringstream. The code below displays fine as is but say I put in << endl after name. When I compile this it only displays the name string and thats it. If I add a space in any of … |
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| | I have an exercise again and I got blocked again. The exercise is: Daphne invests $100 at 10% simple interest. That is, every year, the investment earns 10% of the original investment, or $10 each and every year: interest = 0.10 × original balance At the same time, Cleo invests … |
| | this is a program that my teacher gave me in the class. but i didn't understand it....please explain it to me step by step... [code= c++] #include<iostream.h> class queue { int element; queue* next; public: queue* enqueue(queue*,int); queue* dequeue(queue*); void queue_display(queue*); }*head,*tail,object; queue* queue::enqueue(queue* head,int key) { queue* temp; temp=new …  |
| | Hi I have just written this code (am just starting out with c++ so took a while :s) Works fine.... untill character 2 is created. When the program is run the character 1 is fine and every time the users is asked "Please enter x" they can and it is … |
| | Hi! I have a program in FreeBasic that helps study words; sort of like a flash-card program. I want to send it to my friends, but they have hungarian keyboards, and I can't figure out how to detect a few things using that keyboard (e.g. the letter í has no … |
 | Hey! I just startet fildeling around with c++ a week or so ago. I have some experience in Java and python. Anyways, i wanted to make this simple hangman game; [code] #include <cstdlib> #include <iostream> #include <string> #include <fstream> using namespace std; void exit(int exitcode); char hus[] = {'h', 'u', … |
| | First off, I do want to state that I have read the forums and have not found an issue directly regarding this exact problem, though it is possible I may have overlooked it or something and if so please just point me in the right direction and I will leave … |
| | I was wondering how I could start to program. I have looked up some information on the topic and it seems that C++ would be the most usefull to learn. However as it seems a complex thing to learn I was wondering if there was another language to learn first … |
 | Ok, I have code that needs to forever loop, and process. My code in the windows procedure has a case WM_LBUTTONDOWN: . I left click on the client area of the window and it processes the code accordingly. Now so that it keeps processing code at the end of the … |
| | i make this project what i unable to use file handling[CODE] #include<iostream.h> #include<conio.h> #include<dos.h> #include<stdlib.h> #include<stdio.h> #include<string.h> #include<fstream.h> #include<ctype.h> #include<bios.h> #include<ctype.h> int menu(int,char a[25],char b[25],char c[25],char d[25],char e[25],char sl1[2],char sl2[2],char title[40],char under[2]); void lbyl(char a[50]); void main_menu(); void student_menu(); void mark_menu(); int records=0; void lbyl(char a[50]) { int l,i; l=strlen(a); …  |
| | Hi, I would like to get some suggestions on how to change this program from array to vectors. This program reads an ASCII input file and outputs the character frequency into a text file. I got it to work with the arrays, but I can't figure out where to do … |
| | Write a C++ program that creates an invoice for a small fruit vendor named “Bob’s Fruits”. The fruit vendor sells three kinds of fruit: oranges, apples, and bananas. Oranges cost .90 each, apples cost .65 each and bananas cost .70 each. For each type of fruit the program should ask … |
| | Hi all, here is my code to find the LoadlibraryA address from an exe, I want to write the return value to text file , but I cant figure out how to do that.Any help would be greatly appreciated. [CODE] #include <windows.h> #include <tlhelp32.h> #include <iostream> #include <conio.h> using namespace … |
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