51,593 Topics
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| | Hi All, I was working on the project that was building very well on Visual Studio 2008 Express Edition. Later I have installed the Visual Studio 2008 professional along with Visual Studio 2008 SP1. Now I am trying to build the project, which shows the following Error. fatal error LNK1181: …  |
| | Hi people! For the API, CLSIDFromProgID(), can any one pls suggest what is the parameter exactly mean.. HRESULT CLSIDFromProgID( __in LPCOLESTR lpszProgID, __out LPCLSID lpclsid ); do we need to give the guid? |
| | Hi, I'm working on this program where I have to do some updating. In this case, I have to add a new item to the linked list, and it should be in a sorted fashion (ascending). I am trying to use my find() function, which returns the previous node (*ptrPrev). … |
| | Please, help me with my assignment. Please, anyone with a big kind heart : write a c++ program to give the 30 students final grade in a course with the ff. grading scheme: there are five quizzes worth 20 pts. each, a laboratory worth 100 pts., and exam worth 100 … |
| | Hi all. I am trying to read items from a text file whose name is input by the user and also output the receipt to a text file whose name is input by user. I got stock for about 3 hours. Could you guys help? Thank You. [CODE] #include <iostream> …  |
| | Hi Everybody I am new to C++ and have a problem from the book my instructor gave that I am having some problems with. I am sure you guys are all familiar with the "mortgage calculator" here is my code. The Errors I am getting are as follows. I have …  |
| | hi... I am new with c++. I need help to retrieve image from my usb webcam. I used codegear compiler. The idea is I need to capture image 10 times per second( or more) from my webcam. So, it will display at the screen some sort like video image (at … |
| | Here is the snippet of code I am having issues with. cout<<"So are you a male or female, Please type m/f"<<endl; cin>>sex; if (sex='M','m') { alcohol_distribution=.73; } else if (sex='F','f') { alcohol_distribution=.66; } So I know I have this terribly wrong, but i want the alcohol_distribution based on whether or … |
| | i do have 1 question [code]int function(...) { int x; int q; if (condition) { } <-----is there a way to put a marker here...then use a pointer to store the address of the marker...right before the 2nd conditional statement in my code? if (condition2) { } return val; } … |
| | so I've been trying to write this program that takes the data from a file and outputs the year the rainfall how much it is below/above the average, the average raifall and the std deviation and for some reason I get three C4552 warnings:'>': operator has no effect on three … |
| | I came across this qn in a debugging contest in college. The out put must be "aadd" WHat should be given in conditional field. NO goto and exit statements. [IMG]http://lulzimg.com/i13/b449cb.jpg[/IMG] Can anyone help me??  |
 | I am trying to return a vector of some of the elements in a vector. I wish to modify one of the elements in this new vector and have it automatically update the value in the original vector. I tried this: [code] #include <iostream> #include <vector> class TestClass { public: … |
| | Ok, I want this program to email information for the first two text boxes and have no idea how. Also when I tryed to search it, it came up with a LOT of code that I didn't even know what meant. Any ways to do this without much hassle? Also … |
| | Hello every one I'm trying to write a game that has a person guess a number between 1 and 100 hand have the computer guess that number via inputs from the user but I keep running into snags. [CODE]#include <iostream> #include <cmath> #include <cstdlib> using namespace std; int main() { … |
| | Hi , i'm trying to do an exercise where the computer has to guess the random number from the range of 1-1000. Currently this is the way i have it set up as. I divide that range in half and store it in guess and then check it against the … |
| | I'm working on a program in visual c++ that I need some help on. I'm new to c++ and I can't seem to figure out how to do a http POST. The program gets a username and password from a form, and then it's supposed to send the username and … |
| | I am trying to run html code inside of a cgi script. Everything works expect for the line of code below. It says I have a syntax error and I do not know why this is. [CODE] << "<input class = 'btn' name = 'calculate' type = 'button' VALUE='Shortest Path' …  |
| | Hi, I am trying to implement abstract factory in c++, but i encountered one problem that compiler doesn't allows me to this: class Temp { virtual void dr=0; //error is in this line }; it says illegal use of type void !! i can use other return types but i …  |
| | Hello, I am trying to save elements into a file and it is not working. If the file is there, the new elements need to override everything in the file, pretty much clear it out and write to the file. If the file is not there, it just writes the … |
| | Hi guys, first post here. I decided to come here because it looks really friendly. Ive looked around on the internet, but I dont really understand how to do this. Take note that I am just beginning in c++. (Few days practice), so i decided to try to make a … |
| | Hello, I am having a problem with reading input from my web app. The data is being sent by JavaScript and I am using getline() to get the data. My problem is when I run it, I get an infinite loop. I do not know why this is happening. A … |
| | Im trying to learn how to use the winapi - ive read tutorials about message handling and the windows procedure ect, but am a bit lost as to where to start. I know what i want to do - my program launches as a console and starts a new thread … |
 | Because I honestly feel like I'll never understand them(it's been years by the way). So I just want to know if it's possible to make any program you fully desire with out pointers or any other complex OOP such as encapsulation and typedefs. I just can't work with that logic. … |
| | Hi. I am trying to implement adding then subtracting images but I can't seem to get it right. My thoughts are to load the image. add the pixel values. Firstly, I can get the pixel location but I DON'T KNOW HOW TO DISPLAY THE PIXEL VALUES from the pixel location. … |
| | Hi I'm attempting to code a proxy in C++ using Winsock2. At the moment it only works on simple HTML pages and locks up a lot when downloading certain pages. After a lot of fiddling, I'm not sure what the problem is. A big thank you to anybody who can … |
| | I'm in the process of writing a knights tour algorithm for a homework. I believe my algorithm is a good one and don't see anything wrong with it, but for some reason my program keeps throwing a stack overflow error. I don't see any reason why it would be throwing … |
| | I need help with this problem, here. I have 2 functions: "find4update" is supposed to compare the incoming parameter "item2" to the item that is already in the linked list, and return the value of "found". And my second function "deletNode" should use that "find4update" function and delete the found …  |
| | The concerned question is: If there are a bunch of unique items, which one (vector or set) wold be more efficient to search for a particular item by value and why? As I understand vector is more efficient (because of contiguous memory) to search by position index. But in this … |
| | Hey guys, i hope you can help me, i have a problem. I found in the net a code for taking a screenshot. the code works well, but the quality of the outputet bmp file is not good. I have not enough skill to find the place where i can … |
| | Hello, I am working on a program for my operating systems class dealing with catching signals and exit status's. The long and short of the assignment is to have a parent create a child and then wait for the child to die. When the child dies the parent should capture … |
| | Hi Folks, I need help to generate keystrokes in my existing application in LINUX environment. I am fully aware that there are libraries in Dev C++ which do exactly what I want but in Windows and I need something like that in Linux. I have googled a lot, but could … |
| | i'm doing a rpg for fun but this one function is giving me problems. it compiles without problems, but when i test it, the hp stats done change. this is the code for the function. [CODE=c]void attack(dragon *d1, dragon *d2) { if(d1->getdef() < d2->getatk()) { d1->changehp(- ( d2->getatk() - d1->getdef() … |
| | Hello, I'm trying to use wxWidgets to get mouse, keyboard and joystick events without creating a window context as I'm using GLUT for that. Can it be done and if so how? All the examples I see have the events tied to some sort of visual context. |
| | I am currently working on a project called movie reservation and I am almost done, the only problem right now is the seats. I have no idea how I can display 200 seats and identify whether a seat is already taken or not. Also, each row must be referred as … |
| | Kindly help me with the implementation of AVL tree rotation and balance factor determination.Insertion and deletion is done using recursion.No issues with that. Regards.  |
| | i keep getting this error: [icode] error: expected ‘)’ before ‘,’ token[/icode] this is the code i'm using: [code=c] dragon(string str = "wild dragon", int level = 5);[/code] this is inside a the dragon class definition. [code=c]dragon::dragon(str,level) { name = str; tp = ((rand() % 6) + 1); type = … |
| | Hi all, I have some problems with my program, as it always compiles with segmentation fault after it run finishes. ANy help is appreciated [code] Program received signal SIGSEGV, Segmentation fault. 0x00375d37 in ?? () from /lib/tls/i686/cmov/libc.so.6 (gdb) bt #0 0x00375d37 in ?? () from /lib/tls/i686/cmov/libc.so.6 #1 0x0804992b in Chord::isValid(char*) … |
| | I'm doing a function that returns the index of the largest integer in the array it's an easy function.I've done it but I don't know why the output is always 10 although i want to return only the index of the largest number and here is my code: int MAX_INT(int … |
| | I am having trouble figuring out a start off point for this project. Can anyone help me get started? I would really really appreciate it. I'll post the code and instructions below. Bluebird Airlines needs a program to assign boarding passes on its only plane which has a seating capacity … |
| | This is a fairly easy homework, but I am new to c++ and would like some help. (to my teacher, if you happen to read this, I'm not trying to cheat, but get help to better understand the concepts in this assignment.) An overview: [INDENT]"Read an unordered collection of calendar …  |
| | Hey, I'm new to C++ (1 week, used to do Python), and it's very enjoyable, but I have an issue. In the following code: [CODE] int sizeofarray; cout << "Type size of array: "; cin >> sizeofarray; int myarray[sizeofarray]; ...........more code [/CODE] That isn't the code, but that is the … |
| | error C2664: 'strcmp' : cannot convert parameter 1 from 'WCHAR [260]' to 'const char *' [CODE]HANDLE pSnapList; PROCESSENTRY32 p32Info; BOOL p32Status; pSnapList = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 ); p32Info.dwSize = sizeof( PROCESSENTRY32 ); p32Status = Process32First( pSnapList, &p32Info ); while( Process32Next( pSnapList, &p32Info ) ) { [b][u]if( !strcmp( p32Info.szExeFile, processName.c_str() ) … |
| | Greetings all!~ I'm a newb when it comes to C++ and could use a bit of help with this code. It is supposed to take any character input, store it in array and then if there are lower case letters make them upper case. After if goes through the first …  |
 | Well, i'm really new into programming, and I'm not a native english sepaker, so please, if you dont't get what I'm saying don't get mad :) What I'm trying to do is this: [...] int i, numberOfStudents string studentName[100]; cout<<"Input the number of students"<<endl; cin>>numberOfStudents; cout<<"Input the student's names"<<endl; for … |
| | Hello, Can anybody explain to me how can I do: Implement the Random partitioning version of Quicksort. Take care that your data array is not copied (by value) into your subroutines, because you will sort the RandomEnglishDictionary.txt file. Report the first, 1000th and last elements in your sorted list. Thanks |
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| | I've seen this problem a few times and I've tried what they've done. I am still not passing my Array correctly. I'm all templated up because of last files I have used for this program (Not in the code). If that could have something to do with it let me … |
| | Hey guys, so I have a bit of a problem. I have an idea for a game, and I have all the 3d models and such, but I have no clue how to program. I hired a couple of guys to work for me, but here's the thing. I have … |
| | So I'm beginning to move onto the OpenGL 3 phase. I found some source code and I've been playing around with it. How would I implement something with the same effect as glTranslate, but without using any deprecated coding? I'm trying to make a 2D game engine with it. I … |
| | Here is my code, I would like to check my input for errors in the first and lastname parts. it means that these two parts should contin just upper and lower case letter and hyphens(cin must be used as well). [CODE] #include <iostream> #include <string> #include<cstdlib> using namespace std; struct … |
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