51,593 Topics
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| | Im writting a very simple command-line. I want the > Charecter to come up every time a command ha finished what it's doing (easy) AND when the user presses enter with nothing on it. For example ($ is currssor) I want this: [CODE]> >$[/CODE] Not this: [CODE]> $[/CODE] How would … |
| | I have a program which sorts numbers written for a text file. For example input.txt contains 4 2 0 3 4 1 2 0 7. The fist number is the number of the data points, and the following are the (x,y) coordinates. Here's my code: [code] #include <iostream> #include <fstream> …  |
| | I am trying to create an if statement that when the user releases the left mouse button it will write that out to a text file. I have tried multiple different scenario's and have had no luck, here is some of what I have tried. Thanks for your help! [CODE]if(mouse_event … |
| | Hi all, How i do the factorial very large number in c++ ..Please give me sugestion and code thanks in advance |
| | Hi! I am trying to write calculator in c++ that takes an infix expression, converts it to postfix, and calculates. I have the code that will do this written, but when I try to turn it into a class it gives my a Segmentation Fault. Here is my code... [CODE=c++]//calc.h … |
| | Need some help. My game locks up when you go to load file and it just locks up. Please help. [CODE] /* WumpusGame header file Contains the WumpusGame Class. This is the main workhorse of the program, and contains all of the global data, including the master world map. WumpusGame … |
| | Hi sir, could you give me some clue of this problem.. I'm a beginner sir.. display a pattern of half diamond using for loop in turbo c in vertical.. sample: if i input a value of 5, the result will b e like this * ** *** ** * the … |
| | My professor told me to put an audio in my program but he did not taught me how to. please help me because i do not have any idea on how to do this thing. i know that you guys are experties so please help me.. tnx alot.. :) |
| | I have implemented Bubble Sort. How to add counters in the program so that I can calculate and display the Best Case, Worst Case & Average Case Time Complexity of this program? [code] #include <iostream> using namespace std; void bubbleSort(int arr[], int n); int compb = 0, compw = 0; … |
| | so to create a thread all i need is to call this function? and the codes in the "void *(*start_routine)" function is a thread? [CODE]int pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg);[/CODE]  |
| | Hey i guuys, i researched for this topic and there were some close titles to this but none exactly helped me. I need a write a boolean function named IsPrime that takes and integer as argument and returns true if it is. I have to demonstrate it in a full … |
| | Hello :) i'm looking for a proper way of drawing points in MFC. or Drawing those point on a Drawn Eclipse. then i actually have to join them. i had been working on .NET, so i'm less fimiliar to visual C++ 6.0, but i have to use it for this. …  |
 | OK, I am relatively new to C#, so in order to give myself a 'learning' project, I thought I'd update an application I wrote a couple of years ago. The application uses a ListView control in "Details" mode to display MP3 tag data stored in an Access MDB database file. …  |
| | Hi gurus, kindly help me in tracking these errors. The purpose of the program is to calculate the area and circumference of a circle using struct. the details stored are its name, radius, area and circumference. thank you [CODE]#include <iostream> #include <iomanip> #include<cmath> using namespace std; struct circle { int …  |
| | I was playing with some code again [CODE]#include <iostream> #include <cstdlib> using namespace std; int main () { int seed; cout << "Enter a seed: "; //enter 8 cin >> seed; srand (seed); cout <<"A is " << rand () << endl; //64 cout <<"B is "<<rand () << endl; … |
| | I have seen this code that draws an outline circle and its center point to the ball detected. [CODE]// draws all detected circle and their center points. for (int i = 0; i < circles->total; i++) { // round the floats to an int float* p = (float*)cvGetSeqElem(circles, i); cv::Point … |
| | plz tell me how we connect database with visual c++ (odbc connectivity).Plz tell me with image.  |
| | hello. I'm doing a program in c++ and I need to use a system call to "clear" my screen. for linux I use system("clear") but in windows the same is system("clr"). is there some way to find which OS is being used at the moment of execution so the program … |
| | Hi All, I have a doubt regarding SDL programming. Can some one please help me how can i subdivide a Image lets say into 4 parts and then store them in SDL_Surface array. I intend to animate later using these subdivided images by using SDL_BlitSurface function. I am new to … |
 | Hello Guys, I'm new here and I would like to ask help from you in making circular queue. I'm solving these for days but I can't have any idea anymore to solve for it's algorithm... I made this code so far... [CODE]#include <iostream> #define SIZE 5 using namespace std; int … |
| | I have some native C++ code that I want to use in C# and after doing some research I decided to create a C++/CLI wrapper for the native code. So far, so good. When running the program that contains the C++/CLI class, it works perfectly, but when I try to … |
| | What is the difference between standard, int main(int nargs,....); and [CODE]int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, int nShowCmd ); [/CODE] I am making a cross-platform program, for windows and linux, and until this point, I used main, without WinMain, for windows and linux. My app calls windows … |
| | Hello guys, I'm currently trying to rework an older project. It uses the Dao interface to connect to a MS-Access database. It now needs to connect to a SQL CE Database using the ADO driver. However, I keep getting the IDispatch error, see below. CJapRecordsets is a class with membervariables … |
| | Is it possible to develop Win32 C++ applications under a Linux distribution? If it is then how do I do this? I know about Virtual machines, but I'm looking for something that wouldn't require to emulate a whole OS. |
| | hi all, How i do very large numbers division and also modulo division in c++ thanks in advance |
| | Hi, I am relatively new to C++ and I am having problems sorting a set of items here is my code: [CODE] #include<iostream> #include<sstream> #include<string> #include<iomanip> #include<fstream> #include<vector> #include<string> #include<cstring> #include<set> #include<algorithm> using namespace std; struct SimpsonChars { string firstname,lastname; double firstnum,secondnum,thirdnum,fourthnum,fifthnum; SimpsonChars(const string& lname = "", const string& fname … |
| | if (A == nullptr || B ==nullptr) { cout<< "empty"; } When a put this code in Visual C++ 2010 Express, told me this error no operator "==" matches these operands Could someone help me how to solve, it is really important  |
| | I already wrote the code to read in these two files: processing_rules.txt - which will contain rules like these: 0R1, 0R2 1S3, 0S3 end input_data.txt - will contain data: 5 00110101 The positive number (5, in the example above) represents the position in the second-line sequence, from which processing will … |
 | Hello I'm making an application that reads a series of values from a text file and then converts it to a bitmap image. Currently, I'm using arrays, but, deciding on a particular length is annoying. I have been reading a few tutorials and i've read a lot about using vectors, … |
| | Hello, so my assignment was to take a text file that contains a properly written C++ program code and to go through that code character by character and output all the comments in that code to another text file. This is what I got so far, basically I`m wondering how … |
| | Bored and just wrote this. Anything I did wrong? Anything that can be improved? Relatively new to C++ but I have the basic basics down(I like to think so anyway). [CODE]#include <iostream> #include <cstdlib> #include <ctime> using namespace std; void programIntroduction(); void gameLoop(); int playerChoice, cpuChoice, wins=0, losses=0, ties=0; int … |
| | I have created two classes: [code]class dm_Step { public: char m_plus; char m_particle; float m_energy_sec; float m_xpos_sec; float m_ypos_sec; float m_zpos_sec; }; [/code] [code]class dm_Track { public: vector<dm_Step> m_track; } [/code] I have a data base with hundreds of lines of code in the following format: + gamma 2.306013 -0.213225 …  |
| | Hey, I am having trouble implementing a c++ function that will allow the user to enter a lower and upper bounds and reverse everything in a char[] in between the bounds, so if array is, char[] = {'A','B','C','D','E'}; and the user input was 1 and 4 for 1 as the … |
 | Hi, I noticed many programmers accuse C++ as very hard language for GUI and very good language for the code. Is there any way to integrate 2 languages, C++ and any other language which is easy to make GUI with? Thanks. |
| | The code below takes the quantity of tickets from the 55 tickets that is available and it stores the value in a text file. What I want the program to do is to store the amount of tickets that is available and then each time the program executes it will … |
| | Here's the full assignment: [QUOTE]The ABC Corporation wishes to review a group of its products based on their performance in the prior fiscal year. The company has the sales data for these products for each quarter in the year. Having heard of your programming experience, the company has hired you … |
| | Hi, I was wondering is there a way where you can sell limited tickets. For example there are 55 seats in a bus and 55 people bought the tickets for the bus,the people who want to buy those tickets for the bus must wait for an hour. How would I … |
| | I am only allowed to use int, unsigned int and float. Must be accurate to the 7th significant digit. Currently I overflow 'float top' at an x value greater than 13. Thank you for your time. [CODE] #include <iostream> #include <iomanip> using namespace std; float sum=1,x, top=1,factoral=1; int main(void) { … |
| | Dear all, I have problem with reading from ini file. My code is as follows, but it has Error with GetPrivateProfileInt. It cannot read and the error is : error C2664: 'GetPrivateProfileIntW' : cannot convert parameter 1 from 'const char [9]' to 'LPCWSTR' 1> Types pointed to are unrelated; conversion … |
| | Hello all. A friend is shipping some items in a container so it gave me the inspiration to write a quick little program. This only took 20minutes at best so please bear that in mind. The basic idea is if the containers size is known, and the cost is known …  |
| | Currently working with graphical interface and dynamic object arrays, Got two text files with kinda same data on it, my current task is just to read and output that data. Problem is most likely either with my read function or function to determine how much data there is in files … |
| | Hi all, I am doing something like this int f(){ umap::iterator p = mmap.find(s); if(p != mmap.end()){ ....... } } My memory usage is somehow constantly increasing. While exiting the function do I need explicitly delete the iterator p? Thanks in advance, _alen  |
 | Aoa, Hello All, i am having problem in this question Write a program that takes integer input from the user and store into the array dynamically allocated each time a new element is added. Your program should prompt user to take integers until he enters -1, which means end of … |
 | Please is there anyway in outputting subscripts and superscript notations in c++  |
| | #include <iostream> #include <string.h> using namespace std; int main() { char clear[200]; char cipher[200]; int x,i; cout<<" Enter a string:"; cin.getline(clear,sizeof(clear)); x = strlen(clear); for(i=0;i<=x-1;i++) { cipher[i] = clear[i]+3; } cipher[x] = '\0'; cout<<" Encrypted:" << cipher << endl; system("pause"); return 0; } Hey guys hope someone could help me, … |
| | I want to find if Array B is present in array A(B is a substring of A).. i have written this small function but its not working as desired ..can anybody plz help and point out where i m wrong [CODE] bool substring(char A[],char B[]) { int aSize=strlen(A); int bSize=strlen(B); … |
| | Dear Gurus, I am having this inventory program but can not give me the desired results.What am I doing wrongly? I want a user to enter and display results. [CODE] #include <iostream> #include <fstream> #include <iomanip> #include <cctype> using namespace std; const int DESC_SIZE = 51; // holds inventory description … |
| | hi , I was trying to open a file using fopen() method. It's not opening all the time. some time it opens but the other time its getting crashed.... FILE* tmpfile = fopen(xxxxxx, "r") this is the code i am using.... and every time the value of xxxx is coming … |
| | Rewrite the following program after removing the syntactical error(s) if any. Underline each correction. [CODE]#include<iostream.h> #include<conio.h> class employee { int no; class data { int dd,mm,yy; public: void print_data() { cout<<dd<<mm<<yy; } }; data dob; public: data doj; void prin_t() { doj.print_data(); cout<<dob.dd<<dob.mm<<dob.yy; } }; void main() { employee 1emp; … |
| | I was tried to debug to find an explanation to this but i still don't really understand the concept. Here goes. [CODE] //pass in value //973 456.2 77F //973 456.2 77F #include<iostream> using namespace std; int main() { char letter; int n; float m; cin>> m; cin.clear (); cin.ignore (200, … |
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