49,761 Topics
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| | I have instantiated an object, bob, and have an array with hours for each day bob has worked. When I try to call bob.biWeeklySalary( hours[] ) it doesn't work. I'm not really sure how to use the array here. The compiler just says that hours is an undeclared identifier. Your …  |
| | I have executed the below programm on both C and C++ compiler and got different results [CODE]#include <stdio.h> int main() { const int a=10; int *p=(int*)(&a); *p = 20; printf("address of a=%u\t%d\n", &a,a); printf("address of p=%u\t%d\n", p,*p); return 0; } [/CODE] With C compiler I got the output address of …  |
| | Hi, i'm new to C++ (well actually i just haven't looked at it in awhile) and I've been trying to figure out how to make my array's content depend on a condition. It's not extremely important, but I think there's got to be an easier way than what I'm using. … |
| | I am getting this error in the second constructor for Class MailCarrier. mailcarrier.cpp(11) : error C2512: 'Employee' : no appropriate default constructor available I'm trying to incorporate composition and inheritance into my program. :idea:Any help would be appreciated:idea: [code] //MailCarrier.h #ifndef MAILCARRIER_H #define MAILCARRIER_H #include "Employee.h" #include <iostream> using std::cout; … |
| | Hi I’m getting compile errors in the following code: [code] void Driver::read_data() { ifstream infile("data", ios::in); string name, surname; while (infile >> surname) { infile >> name; Person temp(infile); temp.read_surname(infile); temp.read_name(infile); temp.read_phone(infile); temp.read_age(infile); temp.read_weight(infile); 87 person_map[surname][name] = temp; } } [/code] The errors tell me that 87 driver.cpp instantiated from … |
| | Hi everyone. I’m having some problems:mad: debugging the following code: [code] typedef map<string, map<string, Person> > pclass; pclass::const_iterator i; map<string, Person>::const_iterator iter; pclass person_map; void Driver::add_record() { string surname, name, phone, age, weight; int new_age; double new_weight; cout << "Enter name: "; cin >> name; cout << "\nEnter surname: "; … |
| | [code] #include <iostream> using std::cout; using std::endl; #include <cstring> using std::strcpy; using std::strcat; #include <cstdio> using std::sprintf; int main() { char * lb = "(?:[a-z90](?:-?[a-z90]+)+)"; int lbLen = strlen(lb); char * sbFrmat = "(?:%s(?:\\.%s){0,4})"; int sbFrmatLen = strlen(sbFrmat); int sbLen = (lbLen * 2) + sbFrmatLen; char sb[sbLen+1]; sprintf(sb, sbFrmat, …  |
| | Hi, I was wondering if anyone could help me. I'm constantly getting the following compiler message: 138 driver.cpp 'class pclass' has no member named 'surname' 138 driver.cpp 'class pclass' has no member named 'name' on the following lines: [code] 138 for (i = person[surname][name].begin(), i != person[surname][name].end(), ++i) { 139 … |
| | I am writing a program to calculate my paycheck. I am including in this program two functions to calculate sickleave and vacation leave. I have a hireDate data member in the format of mm/dd/yyyy, how would I figure out length of employment to calculate aquired vacation and sick leave? I … |
| | [code]# include <iostream> # include <stdio.h> # include <conio.h> # include <dos.h> # include <string.h> # include <math.h> # define TRUE 1 # define FALSE 0 //if you can change to a class it can be better and faster struct member { int mid; char mainname_1[20],madd[30]; struct Read_Struct { int …  |
| | [B][I][COLOR=Blue]if you run this code in c++ you get the following error at the underlined part is where the problem is : error C2143: syntax error : missing ';' before 'constant' : fatal error C1004: unexpected end of file found Error executing cl.exe.[/COLOR][/I][/B] [CODE] # include <iostream> # include <stdio.h> … |
| | Hi guys I am new to C++ and need urgent help with this part of my code for a uni coursework I have to submit by Thursday [code]//ClientData.h #ifndef CLIENTDATA_H #define CLIENTDATA_H #include <string> using std::string; class ClientData { public: // default ClientData constructor inline ClientData( int = 0, string … |
| | C++ Code: [code] /* readmail.c */ #include <stdio.h> #include <stdlib.h> #include <windows.h> #include <windowsx.h> #include <mapi.h> #include <string.h> int readmail(); long err; LHANDLE lhSession; lpMapiMessage FAR *lppMessage; lpMapiMessage lpMessage; char szSeedMessageID[512]; char szMessageID[512]; char szTmp[4096]; char szTmp2[50]; LPSTR lpszSeedMessageID=&szSeedMessageID[0]; LPSTR lpszMessageID=&szMessageID[0]; int main() { readmail(); return(0); } int readmail() { …  |
| | Ok im learning how to do exponents in c++ and I get most of this, but I dont get what double means. I do however know what float is. in the deffenition of double from my compiler help it says "double - a double-precision floating point value." but i dont …  |
| | could someone please provide me with the answersd to the following c++ problems, they are simple problems which are probably an insult to most of your intelligence but i'm clueless and desperate. THANKS FOR HELPING:o 1. how would you write this expression in c++? assume all variables are of type … |
| | Hi ppl, I have made a declaration: char* str; str = " Hi there"; what do i have to do to extract a substring from this? [I]Thanks,[/I] [I]Ishwar[/I] |
| | Can anyone suggest me a nice and easy to use C/C++ compiler under Windows.. Give the URL from which I can download. Thanks in anticipation...  |
| | I get a segfault when I run the following. Seems to fail at strcpy. [code] #include <cstring> using std::strcpy; int main() { char * word = "word"; strcpy(word, "what"); } [/code] If I change char * word to char word[], it's fine. I thought that both declarations effectively do the … |
| | Ok My Code Is Fine As My Friend Can Compile It Fine So I Wont Show That. My Error Is This [CODE] 1>LINK : fatal error LNK1104: cannot open file 'odbc32.lib' [/CODE] I Have SDK Installed And Visual C++ 2005 With MSDN |
| | [CODE]#include <stdio.h> struct FUN { char x; char *y; int z[20]; }; int main(void) { struct FUN fn1; struct FUN fn2; struct FUN fn3[10]; struct FUN fn4[50]; return 0; }[/CODE] is an assignment like fn4[23] = fn3[5] invalid? |
| | I'm trying to create the code for a paycheck program where I am paid double time for anything over 10 hours, time and a half for 8-10 hours and straight time for 0-8 hours. For some reason the pay isn't accumulating correctly. Any help would be appreciated. [CODE]#include <iostream> using … |
| | Does Any One Know If Theres A Way To Use C++ With Html? |
| | Hello everyone, I am trying to get an XTEA algorithm to work. I read the key from another process of which I'm sure it has a valid key at a specific location in memory. My encryption algorithm seemed to work, but when I tested it by making a buffer, encrypting … |
| | Hi , ppl, I want to get the absolute file path of my c++ app, I tried searching through io.h, but alas , I don't know what the function is.:sad: I am using Dev C++ under Windows. [I]Thanks a lot, [/I] [I]Ishwar[/I] |
| | I am using c++ and need to devise a method to determine the check digit of a credit card. The user enters the card no. as a string. The card no is then divided into blocks of length, x. these blocks are then added. I have the code to convert … |
| | I have a process that i want to attach a debugger to but it has enumwindows enabled. I want to disable that. any help? |
| | Ok Im Back I Think these Are the Last Error's Of The Lot This is My Code [CODE] #include <windows.h> void WriteMem(DWORD MemOffset, DWORD DataPtr, DWORD dataLen) { DWORD d, ds; VirtualProtect(address, bytes, PAGE_EXECUTE_READWRITE, &d); memset(address, type, bytes); VirtualProtect(address,bytes,d,&ds); } [/CODE] And These Are My Error's [CODE] error C2065: 'address' … |
| | how do u write this if then statment but in c++ if g=3282 then g=k; to bad there wasnt a then like there is an else in c++ |
| | i wan to know the code for the radix sort using a queue and a radix sort using a linked list |
| | Hi All, Is the naming convention typically used for C++ vector arrays, with multi-word identifiers, to use an underscore between the words? I'm finishing up a C++ course offered by the local college - I'm taking one of the "classroom: online" sections - and I'm running into that usage in … |
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