49,757 Topics
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| | Hi, I wish to implement a priority queue and I need to create it with structures, as in I will be inserting structures into the queue and I wish to keep it sorted(ascending order) it according to one of the structure elements. How can this be done? Any pointers will … |
 | Doing this project 1 step @ a time but the multiple files are starting to get confusing. Lemme start by telling you all what I need to do, then show you what I've done, and then maybe you can tell me if I'm on track with this or if I … |
 | Hi, I came up with a difficulty that adding the libmapi32.a to the codelite IDE linker options. I go menu->settings->build settings->select gnu-g++ in the left tree->switch-> and change the -l to the -lmapi32, but the problem is the IDE still does not invoke the `-lmapi32`. I reboot the PC restart … |
| | please help know how to get the GCD of fractions... i'm stuck in program because of this... any suggestions will do. tnx |
| | Hello I come to you today with a question i have not been able to find answer to this anywhere on the internet. I want to be able to send an Email through a Gmail account Using C++. And i cannot be persuaded to move to a different language to …  |
| | Hi all, Im writing a concurrent access queue. MY problem is that my producer is too much faster than the consumer, and the queue is allways filling up. I think that I have to write some congestion control, but sith sleeps? mutex? One curious thing, if i write something like …  |
| | Hello Is there any function in visual c++ MFC like round(). suppose i want to round 1.33 = 1 1.67 = 2 |
| | Hi, I'm a novice at writing C++ code, most of my experience is in C# and Java. I have tried a bunch of things but I can't seem to figure out the correct way to structure my statements. Rather than try and explain everything I'm doing wrong I will post …  |
| | Hi, I am to write a C++ date class. I have set up the class. I am able to add and substract to the number of years. The requirements are that I have to do the same for the number of days and the number of months as well. I … |
| | Hi. Could you please guide me in performing operator overloading of Unary operator? Just explain the method with an example. Please add the explanation. |
| | I have a problem with c++. I want to change text colour in C++ without using cprintf in <conio.h>. Can you help me to chang txtcolor by using cout or other c++. |
| | I have written a program designed to show grades in a table form, however my first input isn't working ie, if a enter for the first input 55.5 9, the output does not match this, i really have no idea why, any assistance would be greatly appreciated [CODE]#include <iostream> #include … |
| | I dont know if i have leopard mac os x.. but it shows i have Mac OS X version 10.5.8.. i have a simple issue. i am trying to download Xcode for GCC complier... but it doesn't get downloaded as it requires me to update my software to 10.6.1.. i … |
| | So what is the deal with int and INT, or float and FLOAT, or unsigned int and UINT. Whats the reason for this, and is there any difference in using one or the other? Thanks |
 | Hello folks, I have this header file: [code=c]class Agent { private: struct AgentStruct { std::string agentName; double pID; double mID; AgentStruct *nextAgent; } *AgentP; public: Agent(std::string); void SetNextAgent(AgentStruct*); Agent* GetNextAgent(); void SendMessage(); void ReceiveMessage(); };[/code] and I have the implementation here: [code=c]/* * The constructor we are required to implement. …  |
| | Hello I passed to functions and I have the next exercise. you are expected to write a program that computes the sum of all the integers in a range specified by the user. In addition to the main function, there should be a function that accepts two parameters that specify … |
| | I'm trying to write a code for class that basically takes a 4 digit input, scrambles the the places of each number so that the first digit is in the third digits place, and add 7 to each number. This is supposed to be simple encryption. I know my functions … |
| | Hello, I recently started a c++ class, and one of the assignments is that we need to create a c++ program which converts Fahrenheit to Celsius. I have succeeded into doing just that, but I need to validate user input's values, meaning that the program must reject any entries that … |
| | #include<windows.h> #include<iostream.h> #include<iomanip.h> int main() { char choice, do{ system('cls'); cout<<”\n\t\tHi!welcome to JKK the best tapsihan!”; cout<<"\nEnter your choice of food."; cout<<"\nWhile eating the program will be on standby if there are any side orders,when done just press 10 to bill out"; cout<<"\n\n\t\tMenu" <<"\n\t[1]Tapsilog . . . . .\tPhp 25.00" … |
| | Hello everyone, I have an assignment that I am working on for a class at my school. I have to write a program that will open a .txt file and read/copy the code to a string. This is probably really easy, but I guess my knowledge thus far is a … |
| | Is there a way to dynamically add a menu to a window using win32 API rather then using a resource? Ive done some googling, but all i can find is the resource method. Thanks |
 | Could someone please verify. Is it proper to have pointers to containers(vectors in this example) where you allocate memory for them and then free them. I googled and found a posting that stated its considered poor coding style to do this...I doesn't seem like it should be poor programming style … |
| | How can I resize 2d array. I want to create a bool. My new map should measure 10 height and 5 width. [bool msize(int Height,int Width){ return true; }] |
| | Having problem getting code to even compile. Instructor insists array be in addDays and no adding of extra data members or methods to the class. "Use an array of strings in addDays. It needs to be local to the method since that is the only place that it is needed. … |
| | Hey, I keep getting this error, but from its description, I can't really tell how to fix it besides from what I've already tried, so any explanation would be great. The error I get is: clientrectlib.cpp(32) : error C2664: 'calcMinMaxValue' :cannot convert parameter 1 from 'overloaded-function' to 'float &'. The … |
| | I have viewed some source that contained an identifier with a scope operator preceding it. Ex: [code=c++] ::var[/code] What does that mean/do? |
| | i need help making an add function for an array. i know how to initialize it and have it started. when i add content into the array, i need to add it as a linked list. i have my function for the linked list completed alrady. if anyone can help … |
 | Seeing we can do it with structs, why do we need classes? See the code and quote from [URL="http://publib.boulder.ibm.com/infocenter/comphelp/v8v101/index.jsp?topic=/com.ibm.xlcpp8a.doc/language/ref/cplr054.htm"]Link[/URL] [QUOTE="IBM Developer"]The C++ class is an extension of the C language structure. Because the only difference between a structure and a class is that structure members have public access by default … |
 | [code] #include <iostream> #include <cstring> void rev(const char* str) { char* p = new char[strlen(str) + 1]; for(int i = 0; str[i] != '\0'; i++) { p[i] = str[strlen(str) - i]; } p[strlen(p) + 1] = '\0'; std::cout << p; } int main() { const char* s = "vBx"; rev(s); … |
| | does anyone know how the binary information in a video file works... i found the file signature... but i pulled one character off after the file signature and it did not do what i thought it would... my code works fine... i just dont understand whats in the binary of …  |
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