49,757 Topics
 | |
| | 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 |
The End.