49,757 Topics
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| | Hi, I am trying to read two strings per line and store them in strings so i can use them in my program.for example if this is my input file: [CODE]cat:yellow dog:blue chicken:red[/CODE] i wan to store cat as animal1 string dog as animal2 string and yellow as colour1 string …  |
| | Im trying to output the population increase for a population. the problem is my for loop doesn't increment or add correctly. here is a sample output. i made it easy with no death rate and a population of 100 to easily calculate the increase in my head. Starting Population: 100 …  |
| | So I'm fairly new to C++ and I'm wondering if this would be possible and what the code would look like. I'm trying to create an ongoing process that monitors when a certain program does something and launches another program when that thing happens. Example: I have Steam open and …  |
| | [CODE] #include <iostream> using namespace std; void someFunction(bool& a); int main() { bool a = true; someFunction(a); if( a ) cout <<"a = true"; else cout <<"a = false"; } void someFunction(bool& a) { a = false; } [/CODE] This will print out "a = false". bool& a in the …  |
| | PLease help me with these questions, I was interviewed for thses just today Q1)Can we delare constant data members inside a class? Q2)does friend function violates encapsulation/data hiding? Q3)what are the types of polymorhphism you know? Q4)why do you need virtual functions? Q5)Can we do something like\ int & = … |
| | I have .xls or .xlxs and there I have Bar with number and text.... I want to use number and text form this file.... e.g. boys in class (cell on form) 24 (other cell on form)  |
| | [B]Hello all I am a student majoring in Beginner Software ENGINEERING I do not have much experience in game development n has asked us to develop a game I hope 2 to get some help here even sources that need to extend it And thank you all[/B] |
| | I am using visual C++ 2005(native C++) I got the error error C2065: 'CString' : undeclared identifier for the following code, [CODE]#include <cstring> using namespace std; int main(){ CString ab; ab="a"; }[/CODE] what is the problem? |
 | Hi all! I have been hacking some Qt before, but now I want to try to code in Gtk and std C++. I have been searching the web but I can not realy find what I am looking for. As I can see Gtk is written in C. Is it … |
 | I programmed this vector class to support different types and different amount of dimensions. (class T,int D) D is the dimension. I don't use templates much and I'm running into an error, my constructors aren't working. Here is my class [CODE]#include <stdio.h> #include <stdarg.h> template <class T,int D> class Vector …  |
| | Hi, how can I make program execute code when I will turn my PC off or hybernate him? |
| | Hi everyone! I am using a dll to hook keyboard strokes for my application. The hook works fine, but now i want to disable some keystrokes while my application is running. So i did the following : [CODE]_declspec(dllexport) LRESULT CALLBACK KBHookProc(int Code, WPARAM wParam, LPARAM lParam) { if (Code < … |
| | Hi, I am making an student registration program as my project in school. But I had some problems making it. Our professor asked us to make an program where there are lists of subjects offered. Then the student will choose what subject/subjects he/she likes, then it will be computed. The … |
| | I created a small c++ program. Now i wanted it to create an .exe file. Once i compile, i get the exe file in my BIN folder.. but, the alignment of the files are not correct. Well i do get the correct alignment in turbo c++ compiling..(ctrl + f9).. but …  |
| | hi, i am writing a program that keeps track of the money in my debit card account. i need the program to be able to pull out a value (such as 1.56356) from a text file, round it to the nearest hundredth, and put it back into the file. any … |
| | anyone can you help me to my C++ i cant take the error everytime i make a program i got error and can you give me a program that can solve the area of Circle In Turbo C. thanks  |
| | I made several functions, and this one assignment keeps giving me "expected primary expression before '..., HELP!", what is a primary expression?, all my code is ok I have made different files for the different functions and im using extern but the void argument I think keeps giving me trouble …  |
| | thus iterators predefined functions? I am confuse between function and predefined functions. |
| | Hello, Where can I find the source code/implementations of STL library? Thanks. |
| | Hey, i found quite a few methods to [B]ADD TWO NUMBERS WITHOUT USING THE + OPERATOR[/B] , but this one is extremely weird. What does this printf statement mean ? What is %*d ????? [CODE]#include< iostream > using namespace std; int main() { int a,b,sum; scanf("%d",&a); scanf("%d",&b); sum=printf("%*d%*d",a,a,b,b); printf("\n"); printf("%d\n",sum); … |
| | Hi all! I get the following error while trying to compile this code /usr/lib/gcc/i386-redhat-linux/3.4.6/../../../../include/c++/3.4.6/bits/stl_numeric.h:116: error: must use .* or ->* to call pointer-to-member function in `__binary_op (...)' I am quite stunned because I've used before in a similar way Can any body give me a hint? Thank you in advance! … |
| | A little poll, which do you guys prefer to use for an application that uses 2 or more windows at the same time? MDI or modeless dialogs? And the reason why. |
| | Dear friends: I want to use the code block under open suse 11.4 system. But i do not know how to install it. I downloaded severay binary packages in the code block websiet, but none of them can work. Could sombody help me and give me a link about the … |
| | Hi, i have written this block of code which deletes a record from a file, it works to some extent. i can delete existing records but at the second deletion and i display the file contents, i get some gibberish. also i cannot delete records which i have added to … |
| | Need help on this not for sure what I am missing I get a couple of errors!In included both the .h and .cpp information. [CODE] // Make sure the header file it not added more than once #pragma once #ifndef MYTIME_H #define MYTIME_H #include <iostream> using std::ostream; using std::istream class … |
| | For example if a memory address within the process had the value 1616 how could I find it ? |
| | Hello, I create a bst with the following code: [CODE]class BinarySearchTree { public: struct tree_node { string code; float min; float max; tree_node* left; tree_node* right; }; tree_node* root; BinarySearchTree() { root = NULL;} bool isEmpty() const { return root==NULL; } };[/CODE] The tree is sorted according to the min … |
| | Hi i'm attempting here to let a user select the id of a record he/she wishes to modify, find that record and allow the user to modify the record. this is as far as i got, after i locate the record and try to display it i get gibbrish as … |
| | Hi Coders, I was just trying out a simple singleton class. I have wriiten the below code. Now My que is : How do I instantiate the class from main function. PLS HELP :) [CODE] class MOV{ private:static MOV* inst; MOV(){cout<<"Hellooooooo\n"<<endl;} public:static MOV* get_it(){ if(!inst){ MOV *p=new MOV; cout<<"1st instance … |
| | Hi can someone help in in understanding the following code esp the "?".I cant understand how the output 9:10:5 as obtained. Thank You. The code is as followed: [CODE]#include <iostream> using namespace std; int main() { short hour =9, minute =10, second =5; cout << (hour <10 ? "0":"" )<<hour<<":" … |
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