49,765 Topics
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| | Hello everyone. Its been a while since I posted. I've gone through many threads regarding Linking issues that beginning programmers come across. Its the linking error - "error LNK2001 : unresolved external symbol." I admit I am a beginner and I also encounter the same problem. Going through all of … |
| | The problem I am having is one in which I am using getline to read in a name with spaces, and when I attempt to output it it is cutting off the beginning of the names. This is the code I am using. I also have to have the cin.ignore('\n') … |
| | started a new thread because naru got my interest. please explain. [code="cplusplus"] #include "stdafx.h" #include <iostream> #include <string> #include <cstdlib> using namespace std; void reverseword(char * reverse) { size_t size = strlen(reverse); //get the size of the char * for(size_t i = 1; i <= size; i++) { cout << … |
| | all is not always what it seems. I found out the hard way that there is a very big difference between a copy and a direct assignment . [code=cplusplus] char* a = new char(); char* b = new char(); cin.getline(a,10,'\n'); strcpy(b,a); //ok makes a SEPARATE copy a=b; //This seems to …  |
| | Hi Folks, I want to avoid a class from being inherit but instantiating it should be possible. Can anyone tell me how can I do this in C++? Is it possible or if not are there any tweaks for it ? Thanks.  |
| | #include <stdlib.h> int main(void){ system("shutdown -r -f -m \\192.168.1.104 -t 60"); return 0; } This command closes a computer on the network, i tried it and it works fine. All i need is to my program to run it so I can run it with the IP adress i will … |
| | Hey all I am writing this program and I am trying to read in a group of names from a file example: Peter Mike Juan Valentino Stephanie I need to read each name one by one and look at for example the first one P then compare it to see … |
| | Hi anyone I am a new member, and want to learn the c + + from the outset Please, Where can I find free electronic books for the education of c + + |
| | I thouhgt I had this solved. But the value is 1 and it looks like if K is pressed then it changes to 0 and then back to 1. The value of start is defined as 0 at the first. There are if start=1 statements but none but this for …  |
 | I need a way to get a number from the user, break that number up (eg. 1128 into 1 1 2 and 8), and then manipulate each number. Here is what I tried to do, failed horribly: [code]#include <iostream> #include <string> #include <cmath> int main() { string str; int a …  |
| | Hi, I was using borland 5.5, and I tried introducing graphics using the followig code [CODE]#include<iostream.h> #include<graphics.h> $void main() { int driver,mode; driver = DETECT; initgraph(&driver,&mode,"\\tc\\bgi); circle(25,35,12); closegraph(); } [/CODE] But I get the error [I]graphics not supported with windows[/I]. So I tried [B]TURBO C++ 3.0[/B]. And it worked perfectly … |
| | This is Orbiter: Ok what is wrong? I have start =0 at the beginning. then this: [code=cplusplus] case OAPI_KEY_K: // start if (start=0) start=0; else PlayVesselWave3(MySoundID,START,NOLOOP,255,22100); start=1; return 1; [/code] So start should be 0 until K is pressed. If K is pressed then the wav is played and start … |
| | Please help me what is linked list in C++?i need to know this because we have a report about this topic....i really dont have any idea on this.. please kindly give me a detail about linked list and if you have any recommended site that explaining what is linked list …  |
 | Hi all , I have one doubt when i read a book to understand type conversion concepts . Here's the listing used in that book to demonstrate : [code=cplusplus]// strconv.cpp // convert between ordinary strings and class String #include <iostream> using namespace std; #include <string.h> //for strcpy(), etc. //////////////////////////////////////////////////////////////// class … |
| | Hi, this program is supposed to get data from an input file, have the user add new data, then output the new data in an output file. There are also supposed to be inheritance classes for the different titles. The 2 derived classes should be a fiction one and a … |
| | hi, i m building the code in VC++6.0. (win32 unicode debug) i m getting the following error in the RPC call error C2664: 'UuidToStringW' : cannot convert parameter 2 from 'unsigned char ** ' to 'unsigned short ** ' Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or … |
| | Hi Quick question. Is it possible to find the source code for the predefined functions in C++ Tnaks |
| | I am working on this c++ app for class and have hit a wall. I have been trying to get the average to display with decimal points for accuracy but have had no luck. Here is the code. Thanks for any help. [code=c] //************************************************************************* // Include Files //************************************************************************* #include <iostream> …  |
| | Hi guys: I am using Borland C++ Builder to make a window application. I need to use a list box to display the items I selected. Besides, I need to chang the order of the selected items in the box. Could any body please give me a clue how I … |
| | ok here is an example of the type txt file I am trying to read 12345678901234567890123456789012345678901234567890 Bugs Bunny Jr. 1234 1001.01 Dr. Wiley Coyote 2345 1002.02 Taco Speedy Gonzales3456 1003.03 Billy the Goat 4567 1004.04 Porky Pig 5678 1005.05 what I am trying to do is skip the first line … |
| | I read that vectors and arrays are almost the same. Could you explain this to me? |
| | i am new in c++ and i quite need help in writing the code for this peoblem.This program needs to list the numbers from 0 to 25, their squares, and the fourth power. The output should be in the neat 3-column format. Number Square 4th power 0 0 0 1 … |
| | 9. Which of the following operator has the highest precedence? (1)* (2)== (3)=> (4)+ [B] Ans : 4 If I have to answer that question, I will choose the answer *. Does + has higher precedence than *? Please explain me. [/B]  |
| | Hi again You gonna hate me, so many questions :). I will try with that one. I am working on tokanization ,it's work for many delimiters except the space. Does anyone know how may I make it work. Its have to make excutly what function strtok() does. I have to … |
| | I've been learning about aggregating COM objects. I dont understand why we 'need' 2 IUnknowns (ie the delegating IUnknown and the Non-delegating IUnknown). Surely the same effect can be achieved with just the 1 usual IUnknown? Eg, The outer component implements interface IX and aggregates interface IY, which is implemented … |
 | I have an MFC SDI application and I want to send a message from the MainFrm class to the View class. How do you get a view class from an associate MainFrm class in MFC? |
| | I am used to VC 6.0 and the class wizard. Now I am using Visual Studio 2005. How do I launch the class wizard from a menu command. I have found that if I double click on a dialog box, the class wizard comes up. But how do I do … |
 | Hi, I was inspired by cygwin to code my own little shell that allowed you to use ksh or bash commands(haven't decided yet.). Should I go about doing this by using the system() function, or some other way?? Thanks, Kodiak - |
 | Im starting a course next year which will cover a C++; I was wondering whats the best software to start coding in C++? I noticed my college use NetBeans which is an IDE which may be a start? Any help appreciated. |
| | Hi to all I have a quick question. How can go through the integer to find if there is any specific number. For example my input would be 234446 (integer is of type long),and now I would like to check that integer and find how many 4's are in there … |
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