49,755 Topics
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| | pleas halp. Sory for my English, i coudn't find where the problem is, program jast dasn't do it. I wrot program for desktop hot keys. Whan user pres a key the curent program will start. For this i used ListView in first colomun is writen program placement in second key … |
 | A small function which reverses a c-string by just swapping the elements :) ... Usage:: [CODE=C++] char[] str = "hello"; reverse(str); // str now contains "olleh" [/CODE]  |
| | Hi. . can any one help me in converting infix to postfix. . i do not know what is wrong in my code. . help!!!plz [code] #include<iostream> #include<string> #include<conio.h> #include<stdio.h> using namespace std; void main() { char stack[10]; char input[10]; char output[10]; char plusminus,multdiv; int a; cout<<"\tInput an infix expression:"; … |
| | Hi Need help with multiple forms. I have application with 3 forms and the concept is on startup open Form1 on clicking button on Form1 opens Form2 and then Form2 open Form3. Now after processing on Form3 I need to make the property of Form1 visible, so we start the … |
 | I'm new to C++, i'm learning with the help of Stroustrup Principles of C++ book, with this forum etc I'm doing console apps that treats and operates with numbers and so on, as i see you do the same, at least that's what i see people asks in the forum. … |
| | Having some problems creating an encoder for class. I have the decoder, but I can't seem to make my encoder work properly. I have attached the decoder to the post as a file. Encryption example: "Hello" would be "xxxxx!H#xxxxxxx#e¤xxx¤l&xxxxxxxxx&l$xxxxxxxxxxx$o", where x is randomly generated letters, and ! is the first … |
 | Hello. I am currently working on a school project. I need to implement 4x4 matrix multiplication with multi-threads (pthread) doing each multiplication. By studying the assignment description and other codes found online, I was able to get a general idea of what I need to do. However, I am having … |
| | Hi there! In my lab I'm running a measuring program. It loops over taking data and writing it to disk. While the measuring is quite fast (1 kHz), the saving takes too long, especially since the file gets opened and closed every time before and after writing. So I thought … |
| | I keep getting the error above. I am trying to calculate percentage, sales tax on items to make profit on items sold. #include <iostream> #include <string> using namespace std; int main() { //Declare variables double price; double percentage; double taxRate; double salesTax; double sellingPrice; double finalPrice; char ch; string str; …  |
| | Hi, I am using visual studio 2008, C++ MFC for window xp. I have a program that will create some files in my directory (like in C:/) which i created earlier and it will read/write data into the files. As the date is quite big, it take quite a while … |
| | Hi all i am facing problem with combobox events, here is what i need: Combobox1 Choice: Metal, Plastic Combobox2 Choice: if Metal in Combobox1: 2,3,4,5,6 Choice: if Plastic in Combobox1: 8,10,15 I am unable to write code for the event, can any one help me out with the hints or … |
| | give me the functions and headers to load image files; and a small example |
| | Hi all, I'm currently doing my final year dissertation, being on wireless transmission in a client-server model. Can anyone suggest any dense literature about technical detailed c++ programming such as enabling communication between server and additional programs (such as ffmpeg), excessing USB devices (such as webcam, mic, video capture card) … |
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| | Hey guys Me and my friends are doing project on " text summarization". I want ur help in developing following modules. If anyone knows abt it plz help me as soon as possible. Here r the modules. 1. text pre-processor ( convert .doc to .txt) 2. Sentence separator 3. Word … |
| | I am trying to learn how to design a gui for a linux kernal. Is there any tutorials on how a gui works on an operating system? I am not completely sure where to start. The only other thing is that I can think of doing is getting the source … |
| | I am trying to do some arithmetic operation on a stack but I am little confused on how would I implement it. For instance I have a statement: add(multiply(2,3),4) which is equal to 2x3 = 6 + 4 = 10. If I place this on the stack, it would look … |
 | guys can anyone out there tell me if it's actually possible to innitialise a 2D array by having it loaded from the keyboard (i.e entered by the user)? i have search everywhere to see if there's a code of such; all i can see is loading it (2D array) from …  |
| | hiii all.... i want to learn C++ GUI based programming.... i want to know how to make Text field,buttons,label,etc... in c++ is there any web resources????? pls help me out..... |
 | Hey Everyone, in class we are learning about for loops, which are very easy. However the project the teacher gave us is very difficult. Here is the assignment: [quote]Write a program that prints the following patterns seperately one below the other. Use for loops to generate the patterns. All asterisks(*) … |
| | I can never get this to work correctly for me, and I'm looking to you guys for help now. This program is going to eventually calculate the betweenness centrality for nodes on a graph, but I'm trying to get the file I/O to work properly. Any ideas? Code in tags …  |
| | I've written a C++ program that compiles successfully but is give me some logic error. It's giving me some negative numbers can someone please run the code and see what ive done wrong. Built with Visual Studio 2008 [CODE] #include"stdafx.h" #include<string> #include<iostream> using namespace std; class vowels { public: vowels();void … |
| | [CODE]class MyFloat { private: enum {MAX_DIGITS = 20}; char Number[MAX_DIGITS + 1]; char NumberOfDigits; public: void Write(); friend void AssignValue(MyFloat& X); }; void MyFloat::Write( ) { int i; if(!NumberOfDigits == 0) { cout << "0."; for(i=0; i<NumberOfDigits + 1; i++) cout << int (Number[i]); } else cout << "0.?"; }[/CODE] … |
 | Hello guys You rookie here. been trying to run a code but I am getting this weird error that I have not seen before. I have attached a copy of the error and the part of the code it refers to. Thanks for your help GCard 1>------ Build started: Project: … |
| | This program is intended to determine if a fractions is valid (non-zero, non-negative denominator) and to convert an improper fraction into a whole/mixed number. While running the program I get the message "Floating point exception" after it reads the inputs just inside the for loop. Any insight into what is …  |
 | Is there any functions that split a string? Such as this: [code=c++] string s1 = "lol-lol2-lol3"; string s2[3]; char spliter_char = '-'; split_strings(s1, s2, spliter_char); //s2 should now be: //{"lol","lol2","lol3"} [/code] |
| | #include <iostream> #include <string> Void main() { int p; A=0; int j; int R; int D; cout<<"enter cost of stereo purchase \n""; cin>>P; cout<<"enter Rate of interest per month \n "; Cin>>R; cout<<"enter period or Time \n"; cin>>T; cout<<"enter monthly payment\n"; cin>>D; do { I=(P*R*T)/100; A=I; A=A+I; M=P-I; P=P-M; j=j+1 … |
| | Hello, i have a problem which is displaying a bitmap into Visual C++ 6.0 SDI Application. I need a function that does displays it and i hope that someone can direct me how to do it. Thanks in advance. |
| | #include <iostream.h> #include <conio.h> void main() { clrscr(); int high=0; int low=0; int number; cout<<"Enter in the number"<<endl; cin>>number; high=number; low=number; for (int count=0;count<4;count++) { cout<<"Enter in the number"<<endl; cin>>number; if(number>high) high=number; if(number<low) low=number; } cout<<"\nThe highest number is:"<<high; cout<<"\nThe lowest number is:"<<low; getch(); } i cant understand this code … |
| | #include <iostream.h> #include <conio.h> void main() { clrscr(); int high=0; int low=0; int number; cout<<"Enter in the number"<<endl; cin>>number; high=number; low=number; for (int count=0;count<4;count++) { cout<<"Enter in the number"<<endl; cin>>number; if(number>high) high=number; if(number<low) low=number; } cout<<"\nThe highest number is:"<<high; cout<<"\nThe lowest number is:"<<low; getch(); } |
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