51,593 Topics
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| | I have an vs2005 forms application running a thread to constantly try and receive data via ethernet. My problem is once I get the data I want to pass it up through some object oriented layers. When I try to make a call to one of the layers sampleLayer->blah(); I … |
| | I need to make a program that will extract numbers from a file sorted like bowling cones, like this: 1 2 5 2 2 7 1 6 4 8 2 9 4 7 3 and than calculate the maximum a bowler can score if the ball can go down on … |
| | Hi, I've just started to learn vectors and wonder if there is a way to copy a vector that i use in main to a vector in a class?? |
| | Hey. Thanks for all of the help with my other questions. This forum has been very helpful. In this program, there is a note: "chocolate" may refer to either the ice cream or the sauce; assume it refers to the ice cream if an ice cream flavor has not yet … |
| | I've been wracking my brain over the last week. I have project due soon, but I'm having a lot of trouble with certain aspects of pointers in class instances. My project is to re-design the String class library by remaking basic functions. I was given a header file and told … |
| | i used following command to overcome edit-compile-run cycle while working with vim editor. :set makeprg=g++\ % then i ran the :make command every thing worked fine except that instead of jumping to the first error line in my file the vim editor shows that "[COLOR="Red"]type command or press enter to … |
| | when creating a new xml file using xercesC++ all the attributes are ordered alphabetically at the output, how to see to it that the attributes are written in the order they are appended?? also how to associate with an xsd when creating a new xml with xerces C++  |
| | I have been trying to compile my program but i get these error messages that i can't understand. Please help. these are the error messages I am getting error: could not convert 'MARITALSTATUS' to 'double&' error: in passing argument 2 of 'double FEDTAX(double, double&, int, int&)' err: In function 'double … |
| | [CODE] #include "stdafx.h" #include <iostream> #include <iomanip> #include <string> using namespace std; char your_string[256]; char new_string[256]; void ReverseString(); int main() { char choice; do { cout <<"Enter the string that you want to reverse: \n"; cin.getline(your_string, 256); ReverseString(); cout << new_string << "\n"; cout <<"Do you want to continue? Press …  |
| | Hi, I have to display the details inside an array as a bar chart, the user has input the temperatures for the twelve months, here is the declaration and the user input: [CODE] int temp[12]; int menuChoice; char month[12][5]={"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};[/CODE] … |
| | I am new to C++ and would like to know what style I should use to write my codes. For example, should I use: [CODE=c++] for (int i=0; i < 10; ++i) { cout << i << endl; } [/CODE] or [CODE=c++] for (int i=0; i < 10; i++) { … |
| | I can't understand why there's a memory leak. Can someone please enlighten me ? [CODE=cpp]#include <fstream> #include <string> #include <iostream> #include <sstream> #include <stdlib.h> #include <math.h> using namespace std; class ChocBar{ public: ChocBar(string name = "Barone",double price =1.20){ name_ = name; price_ = price; } string getName(){ return name_; } …  |
| | I'm trying to write a a program that simulates a multi queues, multi server such as a grocery line at the grocery store. The user will enter the desired number of queue/server pair. how would i write this? I mean, I can have 3 - 4 different queue stacks as … |
| | Reverse the case of all alphabetic characters in the string. That is, all upper case characters become lower case and all lower case become upper case. Hello World becomes hELLO wORLD. So I figured I need to use the toupper and tolower commands. I'm just not to sure how to … |
| | hello there, can anybody please give me an example of how to use hashtables to implement a memory in cpp.. i surfed the net for 2 hours and couldnt find anything :S im not sure whether im submitting the right queries. thank you. |
| | ok well first of all i was going to use "a push in the write direction" for the title but i decided it was too stuid haha anyway umm as I am one for pointless trivialities i want to code a program that rains streaming data from the top of … |
| | Hello, i have a question for my C++ program. void GasPump::setHighGal(int gallons){ gallons = 0; } void GasPump::setMedGal(int gallons){ gallons = 0; } void GasPump::setLow(int gallons){ gallons = 0; } Those functions will sets the quantity of gas in the indicated tank to parameter value,resets total cash for that type … |
| | Hi, Does someone know about drawing a window in a Memory Device Context, I need this so I can then read pixels from a window that is behind other windows. I need this for windows XP, not Vista. Thx in advance.  |
| | Hi There, I have to do this read a list of names from an input file of my own, In main() I declared a Namelist[][] object, read several names from thefile using redirection and then print out the list. I have to add the name to the list only if … |
| | i want to implement a memory using c++ language. the memory will contain addresses of length 64bits because in my architecture the word is 64 bits. i want to implement it using a set associative array. so i want to create a 2 dimensional array of dimension 8 and 16k … |
| | I have a function which outputs a really long string in a box of defined size. The problem is, after a few lines, I get an error saying that HEAP CORRUPTION has occured and I wrote to a memory beyond the allocated limit. Now, I'm only writing to console and … |
| | I'm building a telnet server and I need a type of arraylist. I need this arraylist to contain an index 0 - 100 thats how many connections I allow at once, and an Ip address so when I refer to index 0 it will give me the ipaddress. I'm new … |
| | hello every one here, hoping u're all doing fine. i am face with a wierd error while trying to encode a class about courses and students ( student is itself a class) i'm give this error, and googling seems of no help! [COLOR="Red"]error C2784: 'bool std::operator <(const std::pair<_Ty1,_Ty2> &,const std::pair<_Ty1,_Ty2> … |
| | Hello! I am writing c++ program on linux. Whenever I read a char or string, I got problem. In c, I sove the problem using if(getchar()=='\n') in c++, how can I sove that problem? Here is my program. I cannot do any input for name. Please help me. [code] #include<iostream.h> …  |
 | [TEX]can someone teach me how to use pointer in this program?? i dont know if what i did in this program is correct. can you tell me how to use pointers here.thanks! [/TEX] [CODE]#include<stdio.h> #include<iostream.h> struct fruits { int apple; int banana; int orange; int jackfruit; } fruit; int shape; … |
| | [TEX]quick question, I can't figure out how to change the position doing it this way. It isn't changing position.[/TEX] [CODE] this->a1->Location.X = this->a1->Location.X + 20; this->a1->Location.Y = this->a1->Location.Y + 20; [/CODE] |
| | I've programmed a lot with C but just started a new job using C++. If you could point me in the right direction, I would appreciate it. I made a bare-bones example that shows my problem. Here's what I'm trying to do in words: I have a class called 'Top' … |
 | When creating a new object, i can't decide to use "static allocation" or "dynamic allocation". Ex: [CODE] class A {...}; int main() { // A theObject; // or A theObject = new A(); ? } [/CODE] In some more complex cases, i don't know what i should do. Ex: Use …  |
| | Hey guys. How may I implement a high/low card game using inheritance, any ideas out there? Sorry I am a bit of a newbie to all this stuff. Help very much appreciated ! |
| | Hi, i have been working on trying to do this for a while now. I applied for a job in c++ and the person gave me a task to test my skill... needless to say that i didn't get the job but i am still working on it to figure … |
| | Hey, I have a small problem. I need to convert a char into an int, except the char has 2 values inside it. For example [CODE=c++] char c = 'v0'; int i = c - '0'; cout << i << "\n"; [/CODE] All that does is removes '0' from the … |
| | How can I use very long STL vectors? I need to write a code where I use the vector container to store a very large number of values, and I need to access the elements using [i]. I am currently using [i], where i is an integer. How can do … |
| | I am writing a program that is supposed to calculate how much a person earns in a month if the salary is one penny for the first day, two pennies for the second day, four pennies for the third day, and so on with the daily pay doubling each day … |
 | What editor/compiler does everyone use, and, what is your syntax highlighting like? I'm using programmer's notepad 2, with a gcc win32 port... with a stylish green-identifier, gray-text, white-operator, blue-comment, red literal on black background. |
| | Hello everyone, I am having trouble with a part of my Assignment and think i am missing something here. I have a Field class as below: [CODE=C++] class Field{ char * fstr; int frow, fcol, len, fslen, foffset, fstart, fctype; bool fedt; static int finsert; public: Field(char * str, int … |
| | hi can anyone help me i have the code that checks the word entered a palindrome or not it works in visual c++ but when i run the same in unix it is giving me errors can anyone tell me how to run it unix plz..... #include <iostream> #include <string> … |
| | I am currently having problems updating a public data member that is a vector of pointers. I have a class called node, that has a public data member called list. list is [icode]std::vector< node<T>*>[/icode] and should contain pointers to other [icode]node<T>[/icode] objects. I am trying to overload the assignment operator, … |
| | I've been checking forums alot lately, and it helped me in more than once while facing some C++ stuff. and my first time posting. Anyway, am having an assignment where i need to decode and encode a ZipCode, the input of the BarCode should be as a string. BarCode contains … |
| | I used Visual Studio's tools for reporting memory leaks. Main program uses a dll. In main program it reports the file name and line number: [color=blue] d:\tmp\ali\ali\ali.cpp(47) : {200} client block at 0x003A84C0, subtype 0, 5000 bytes long. Data: < > CD CD CD CD CD CD CD CD CD … |
| | Hello guys, I am new to this forum and I'm going to put my code here. [code=cplusplus] #include <iostream> #include <string.h> using namespace std; const int MAX_ACCOUNT = 12; const int zero = 0; bool validAcctNumber(int acctNum, int size); bool checkAccountUsed(int acctNum, double check[]); bool saveAccountUsed(int acctNum, double save[]); void … |
| | I am doing my school project, and I cannot copy the linked list correctly. When I assigned temp to this, nothing happens. I believe I put all the related code below, any help will be appreciated. void poly::read () { // Pre: None. // Post: A new value is read … |
| | anyone here who can help me on this? I need to create a program that can output the location of 5 inputted values. sample input/output; enter 5 values: 4 5 9 8 3 enter no to search: 8 8 found in location 4 HOPE YOU GET IT> pls give me … |
| | I have some more basic questions about using overloaded operators. This is just a hypothetical question. Say I have 2 overloaded operators functions defined for a class. The overloaded operator= function and the overloaded+ function. Now I want to create the overloaded operator+=. Can I define that function in terms … |
| | Hi .. I need a c++ program dealing with sales and marketing ... the program should contain some products where we enter the details of sales and it should yield a result of product as gud or a bad sales as profit....  |
| | Hi.. I am really new in C++ and I ahve no idea how to create a project? I have an assignment n i donn't know how to do it? can u plzz help me in it? Title Cost of buying PC & other PC components in unitar (University). - Choices … |
| | Hello there! So I have created a project for school. I have this program running without errors. The problem is it doesn't perform the math. Any ideas or suggestions? Here is the output when ran...and the code as well. Please choose your operator : + (addition) - (subtraction) * (multiplication) …  |
| | help needed to solve this series E(x)=1-x^2/2!+x^3/3!-x^4/4!+x^5/5!+.................... |
| | [code=cpp] #include<iostream> using namespace std; int main(){ int a; int b; asm("jmp c\n\t"); a=7; b=12; asm("d:\n\t"); cout<< a<< endl<< b<< endl; return 0; } int pewp(){ int a; int b; asm("c:\n\t"); a = 3; b = 2; asm("jmp d\n\t"); } [/code] this will output [code] 3 2 [/code] what I … |
| | HI I am trying to work on a very simple recursive function but i get o/p as some negative values.. can u please help and tell me what mistake i am doing ? [CODE]#include<iostream.h> void countdown(int x) { using namespace std; cout<<x<<endl; countdown(x-1); } int main(void) { countdown(10); return 0; … |
| | So the assignment is to create a Sorted Linked List, not doubly, and not using a tail. I am using a SortedListNode Struct in the private area of the SortedList class. I think this is causing problems. I have the logic, and I was on the verge of succeeding, but … |
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