51,593 Topics
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| | Hi all, I got a problem.I got to make a program that sorts the digits inside a number given by the user, but I can't use an array. I know that the easiest way is with the bubble sort but I can't seem to make a switch between two digits … |
| | recommend using for singly and doubly linked lists?  |
| | Hi, I current I have a vector <void*> that I need to populate with values, stored as char*. Is there a way to convert to void*, then back to char* whenever needed? I have tried casting and using static/reinterpret_cast but when I try to output (converting from void* back to … |
| | Hi, main.cpp vector<Employee>e; e.push_back(Employee("Hawaii",100)); cout<<endl; e.push_back(Employee("Scotland",20)); cout<<endl; e.push_back(Person("Saga",30)); cout<<endl; Employee e1; //created an object sort(e.begin(),e.end()); e1.show(e); Employee.h bool operator<(const Employee& e1,const Employee& e2); Employee.cpp bool operator<(const Employee& e1,const Employee& e2) { return e1.getName() < e2.getName(); } With this code it is just sorting only the first 2 objects and displaying …  |
| | I am creating DLL using VC++ - Console application.. I am writing it for crating a new file... I am using Createfile function for this. but facing below error... error C2733: second C linkage of overloaded function 'CreateFileW' not allowed Below is my .CPP file from the project.. #include "stdafx.h" … |
| | compiler : visual c++ 2005 os : win7 64bits [code] #define PARSE_AND_SERIALIZE_WRAPPER(HANDLE, VENDOR) \ template<> \ struct parse_and_serialize_wrapper<HANDLE> \ { \ template<typename Request> \ bool serialize_req(Request &request, std::string &serialized_msg, \ xml_schema::namespace_infomap &xml_namespace, boost::mpl::vector<serialize_query>); \ }; \ \ template<typename Request> \ bool parse_and_serialize_wrapper<HANDLE>::serialize_req(Request &request, std::string &serialized_msg, \ xml_schema::namespace_infomap &xml_namespace, boost::mpl::vector<serialize_query>) \ … |
| | In my cs2 class we are covering simple lists very quickly. I was assigned to add some functions to a basic list class, and after much thought I can not understand how to solve the problem. Here is the assignment: [QUOTE] you will add the following methods: + removeNode(val : … |
| | Here's my code: bigInt.cpp [CODE]/ // bigInt.cpp #include "bigInt.h" bigInt::bigInt() { int i; for(i = 0; i < SIZE; i++) //Sets all the values of digits to 0. digits[i] = 0; sign = true; numDigits = 1; error1 = true; overflowFlag = false; } bigInt::bigInt(const char temp []) { int … |
| | Hey all! I am interested in learning to use sockets. make client and server program. Where should I begin? Thanks! |
| | I have a Graph that I'm making using an adjacency matrix to hold edge values. The noEdge value is zero and all edgeweights are positive integers. I have to delete a node from this graph and I'm having trouble figuring out how to update the Adjacency matrix after the deletion … |
| | im trying to overload the operator+= and use that to implement operator+ in my string class. i keep getting a segmentation fault when i try to evaluate something like s1 += s2 where MyString s1("");and MyString s2("hello"); any suggestions as to why this is happening? this is my operator+= function … |
 | Hi, Is there any possible way to create program which'd take some data from net and store it in program memory ( some variable, irrelevant ), for example - currency list? If there's no way in console, what about using Borland Builder 6? I hope my idea ain't so absurd … |
| | I am trying to write a lexical analyzer program that will read in input from a file and produce a formatted output. I need help as I am stuck. I am sure I am not passing the file stream, and the function parameters correctly. Do note some of the functions … |
| | Help! Why am I getting the following error on line 100?? I don't get an error when I use storage in other places? error C2065: 'storage' : undeclared identifier [CODE]#include "utility.h" struct masterFile // master file record { int employeeID; string employeeName; string departmentID; int YTDhoursRegular; int YTDhoursOvertime; double regularPayRate; … |
| | I have a student name, wins, losses. In that order in a txt file. I'm trying to read it in and them print it out, but i'm not real sure what I'm doing [CODE] #include <iostream> #include <fstream> using namespace std; const int MAX_SCORES = 50; ifstream infile; void report(int … |
| | Hi i had to write the program that prompts the user for integer values. Place these values into an array. What i cant figure out is the following i will be highly thankful to you if you can help me on these [I]Compute Sum – add up all of the …  |
| | Hi, I am running an application and wish to add random outputs when the user answers correctly. example 1 + 1 = 2 cout << " great"; I wish to randomly cout << excellent or very good or fantastic as well. Thanks! This is my code: #include <iostream> #include <cmath> … |
| | So new here to daniweb and just finished my first semester of programming 1 and I'm trying to do some extra curricular work to get me prepared for my spring semester. Would appreciate any and all help or suggestions anyone could give me. Here's the issue: So i was trying … |
| | Hi, I'm wondering how to remove a specific part of a string.. [CODE] #include <iostream> #include <string> using namespace std; int main() { string str1 = "How,Are"; cout << str1; //remove the comma, and everything behind the comma! so the output would only be 'Are'. return 0; } [/code] Thank … |
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| | i used turb0 c++ in windows 7 but i does not display a full screen mode.are there any tools that run c and c++ in windows 7???  |
| | NEWB alert, lol. This was homework that I failed because i didnt turn it in on time. I didnt turn it in due to the fact that i took an online course, my book sucks and my instructor only checks his e-mail once a wk. that and i couldnt for … |
| | my code: [CODE] ... DWORD WINAPI myGWTHPID(HWND hWnd, LPDWORD lpdwProcessId){ __asm { MOV EDI,EDI PUSH EBP MOV EBP,ESP JMP [DLLFunc] } } int main(){ hInst = LoadLibraryA("user32.dll"); DLLFunc = (DWORD)GetProcAddress(hInst, "GetWindowThreadProcessId" + 5); HWND hwn= FindWindowA(NULL,"Untitled - Notepad"); cout<<"Window handle: "<<hwn<<"\n"; DWORD pID; myGWTHPID(hwn,&pID); cout<<"Process id: "<<pID; getch(); return 0; … |
| | I am making a calculator which shoul not use cmath.h. I was just thinking that how is it possible to calculate trigonometric functions without cmath.h. Please help me. Thanks in advance.  |
| | I'm trying to write a program that will read in a file to a 2-d array and find out how many groupings (blobs) of characters there in the file. It then uses a recursive function to delete the already counted blobs, to avoid recounting. The program compiles fine, but when … |
 | I have a project that I have formatted for Doxygen. I use extra header files to hold extra classes. The thing is that Doxygen only generates documentation for the first header file. How do I get it to document all of the files I specify? |
 | I am having trouble with my looping sequence in this program at the end of the program it will let the user choose if they would like to exit the program or start all over again and it exits for both chooses and sometimes it will continue on to the … |
| | HI All, I am having a little difficulties here. Here is my requirements: Play the game of paper-rock-scissors. In main ask the user how many hands he/she wants to play. This must be an odd number, so you must validate this input to make sure the number is odd! After …  |
| | #include <iostream> using namespace std; int main() { int n1,n2,n3,n4,n5; cout<<"input number\n"; cin>>n1; cout<<"input number\n"; cin>>n2; cout<<"input number\n"; cin>>n3; cout<<"input number\n"; cin>>n4; cout<<"input number\n"; cin>>n5; if (n1>n2 && n1>n3) return 0; } |
| | #include<iostream> using namespace std; int main() { int n1,n2,n3,n4,n5; cout<<"input number1\n"; cin>>n1; cout<<"input number2\n"; cin>>n2; cout<<"input number3\n"; cin>>n3; cout<<"input number4\n"; cin>>n4; cout<<"input number5\n"; cin>>n5; if(n1 < n2) n1 = n2; if(n1 < n3) n1 = n3; if(n1 < n4) n1=n4; if (n1<n5) n1=n5; cout << "The largest number is\n" << … |
 | i can't find what's wrong w/ my program. the output is wrong when i type long names and names w/ less similar letters (sorry for my english i'm a filipino) [CODE]#include <stdlib.h> #include <iostream.h> #include <string.h> #include <conio.h> #include <stdio.h> char name1[20],name2[20]; int count1[25],count2[25],temp1,temp2,total; void flames(int num) { switch(num) { … |
| | Hi, I would like to read a directory, and get all the files in that with some kind of sorting, let us say sort by timestamp. Can you help me, here is my code so far: [CODE] #include <stdio.h> #include <iostream> #include <sstream> #include <fstream> #include <cstdlib> #include <vector> #include …  |
| | Sir, Kindly tell me what is the library name for the c++ in linux. I know for c it id libc.so ,,similarly for c++ what is the library name and how can i get it for my linux. I wrote a simple c++ program and executed it is working but … |
| | Hello there, submissiontime length finishtime remainingtime 1031 17:11 574.1025391 MB 1050 17:30 1 1326 22:06 536.0175781 MB 1343 22:23 2 2721 45:21:00 608.1279297 MB 2741 45:41:00 3 32 0:32 575.8115234 MB 51 0:51 4 1161 19:21 652.6259766 MB 1182 19:42 5 937 15:37 288.7597656 MB 946 15:46 6 3087 51:27:00 … |
| | How can I resize console window in dev-c++ ? |
| | As I stated in the title i am having the issue where the object 'bj' does not call any of the functions that are within the class. I am stuck on this issue. Any help will be a appreciated. Thanks in advance. [CODE]#include <iostream> #include <cstdlib> #include <ctime> #include <string> … |
| | vista home premium Adobe CS5 Design Premium Acrobat X Pro Dell desktop (silvery gray):) Everything on my machines is properly licensed and registered. EVERY time I launch Acrobat X Pro I get, "MS Visual C++ Runtime Error Acrobat X/.../Acrobat.exe This app has requested Runtime to terminate it in an unusual … |
| | I have been working on my code today and have minimalized my errors. Sadly, I still have a few errors left I can't figure out how to solve. [code] 28 F:\Program6-Arrays2.8.cpp cannot convert `double' to `double*' for argument `1' to `double getInput(double*, int)' [/code] [code] #include<iostream> #include<cmath> #include<conio.h> #include<iomanip> //needed … |
| | Hello all, I am building a small file system in c++ that builds a table in a file called test.txt from information on another file. I am trying to copy the information over and then access a specific part of it based on the date. The data is copied over … |
| | Hello everyone, I'm taking a C++ class in college and the last assignment for the semester is to write a sub hunter game that's worth 25% of my grade so needless to say I have to do a very good job on it. The due date is in 9 days … |
 | I am not exactly sure what information is relevant, so my apologies for any useless/redundant information. On my Mac (Snow Leopard 10.6.8) with xCode (gcc) compiled and run through the terminal the following works fine (ignore code and continue reading): [CODE]#include <istream> #include <string> #include <iostream> #include <fstream> enum Year … |
| | I am having trouble with a program where I have to read in 40 numbers from a file and search them, 20 are successful searches and the other 20 are unsuccessful. I am supposed to show the number of comparisons it takes to find the numbers as well, this is … |
| | What is the easiest fastest way to see what's in these three arrays. I just want to see what 's in there to make sure my function is working correctly. [CODE] #include <iostream> #include <iomanip> #include <fstream> using namespace std; const int MAX_ITEMS = 50; int readData(string studentNames [], int … |
| | So I have 3 classes, matrix.h, matrix.cc, and shortestPath.cc shortestPath includes the .h file, which includes the matrix.cc file. In shortestPath I've tried to call a Get method I wrote in the matrix.cc file, but I can't figure out how to call the function on the object of that class. … |
| | In this excersize you will write a program that reads in two positive intigers that are 20 or fewer digits in length and then outputs the sum of the two numbers. Your program will read in the digits as values of type char so that the number 1234 is read … |
| | actually I had a problem to reverse my string using stack.. can anyone help me? this is a sample of my code : [ICODE]#include<iostream> #include<stdlib.h> using namespace std; void push(); void display(); void pop(); struct words { char data [20]; struct words *next; }; words *head; main() { int i; … |
| | I have a text file which has data in it in the following format: string string char int double string Each field is separated by a tab character. The last string of every line contains multiple words. The file can have up to 50 lines (I am guessing if I … |
| | Hi guys. What my problem is basically either some typo, or I am doing something extremelly wrong. Can't think of something else. After some time off with C++ I got back with it, creating the simple project to see how well my memory serves me. I am pretty sure that … |
| | Im having problem with this code I made for finding the average rain fall. When the program starts. it is suppose to go through each month and you are able to input the rainfall. When the months show up in the CMD it is just a bunch of numbers and … |
| | Hello everyone, Ive been stuck with this little problem for quite some time and if someone could help id be much obliged. I have this code that contains an array with several numbers in put by the user and i don't want any of the numbers in the array to … |
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