49,766 Topics
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| | Hi, I am trying to comprehend how exceptions work in c++. However I don't understand why a divide-by-zero exception es not caught by a catch. I attach de code to a better a explanation. [CODE] #include <iostream> //#include <exception> #include <string> using namespace std; int main () { int num1, …  |
 | Alright, this is the best text based RPG I have created, and I have refined all the bugs and such. I have gotten a few questions on whether it is beatable without dying, and it IS beatable without dying, but be aware that you most likely will die quite a … |
| | Hi every body... this(attachment) is my code for implemention of Huffman code,this code must read every file and compress them, it works on many test file but if I input test.txt it give an Error... How can i solve this error ... and the next problem is if we input … |
 | I'm currently working on a project that makes use of the FIX protocol and my role in my group is to work on decoding information that would be sent in the data stream but, after reading many of the specification docs on fixprotocol.org, I am still at a loss as … |
| | Hi everyone, new to the DaniWeb community, i have always used it for homework help in the past, but i'm about to rip my hair out if i stare at this code for another hour. basically the project is to write a code that reads data from a file, gets … |
| | hey, i came across this program linked linear list about nodes and all and i m literaaly flustered @ understanding it(only the code in LLLIST.CPP----i mention below)....specially with the POINTERS... SO PLZ CAN ANYONE EXPLAIN ME THE WORKING OF THE CODE IN LLLIST.CPP, THAT I HAVE MENTIONED BELOW:icon_cool:.... MAYBE I … |
| | Can anyone post me C++ implementation of AVL tress with insert and delete operation in C++ without using templates... I did a lot search in the internet but couldn't find one... please help me as soon as possible...  |
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| | Hi all, Does anyone know how to create sessions with c++ cgi? I am using c++ cgi to connect users from web to IMAP server. How can create sessions so that next cgi knows which user is this, etc. Thanks, nadz |
| | For reading from an xml file, [CODE] char s[6]; ifstream x("output.xml"); x.getline(s,34); [/CODE] char s[6]; I don't want to specify the maximum number of characters in 's'.So,I tried to use string s instead,but getline only takes character arrays. When I used char*,it said,The variable 's' is being used without being … |
 | When I debug my program, I get this error: Unhandled exception at 0x004d2776 in engine.exe: 0xC0000005: Access violation reading location 0xccccccd0. This is the stack trace: [code]> engine.exe!CEntityController::SpawnEntities() Line 18 + 0x24 bytes C++ engine.exe!CEntityController::Start() Line 50 C++ engine.exe!DarkGDK() Line 21 C++ engine.exe!_WinMain@16() + 0x13 bytes C++ engine.exe!__tmainCRTStartup() Line 263 … |
| | I am new to programming. If it's a dumb question please forgive me for wasting a thread. But I wanna know. Why is this code not working? [CODE] int main() { char sndex[6][8]; sndex[0]={"BFPV"}; sndex[1]={"CGJKQSXZ"}; sndex[2]={"DT"}; sndex[3]={"L"}; sndex[4]={"MN"}; sndex[5]={"R"}; [/CODE] The Compiler (MingW + DevCPP) is showing this: [CODE] In … |
| | can anyone help me initialize this array with nested for loops? [CODE] char board[3][3]; board[0][0] = '1'; board[0][1] = '2'; board[0][2] = '3'; board[1][0] = '4'; board[1][1] = '5'; board[1][2] = '6'; board[2][0] = '7'; board[2][1] = '8'; board[2][2] = '9'; [/CODE] |
| | I am trying to insert elements in a binary search tree.I am getting the following errors: In member function 'void bst::insert(char*)': error: cannot convert 'char*' to 'node*' in assignment error: cannot convert 'node*' to 'const char*' for argument '1' to 'int strcmp(const char*, const char*)' In function 'int main()': error: … |
| | I want to take infinite number of strings using string class. Why string operator is not working in the following program? it is showing... error: no match for 'operator!=' in 'str != -0x000000001'| [CODE] #include<iostream> #include<vector> #include<string> using namespace std; int main() { vector<string> s_v; string str; for( ; ;) …  |
 | hi i am trying to write a simple calculator.i have posted the code below,it works fine for one time solution. but i want the answer to be used for next calculation and also want to put a code to end the program. [CODE] int A,B,C; char op; cout<< "Enter a …  |
| | [CODE]#include <iostream> #include <ctime> using namespace std; class Fraction { private: int Num; int Denom; public: void Reduce(); //will reduce the fraction to lowest terms void AddFraction(); //will add the two fractions together void print(); //will print the fraction in the form: numerator / denominator }; void Reduce(int &Num, int … |
| | I have two ever evolving variables that I want to compare. Call them x and checksum. If the two variables are within 100 of one another for example, everything is fine. But if the margin is greater than 100 I would want it to throw up an error. How would …  |
| | How is it possible that my program asked to cout a bool variable writes 104 on the display? Even if the variable wasn't initialized, it should display 0 or 1 I thought? Another thing is that it seems to be initialized and to go wild at one moment. |
 | hey guys..ok so i did this problem about 80% but i cnt figure out the last part[I] which is sort the characters in order of increasing size. [/I] [B]Question:[/B] Input: 4 words (strings with no spaces) and the order in which they are to be displayed, forward alphabetical, reverse alphabetical … |
| | Hello, I am trying to develop a program and I am stuck on a few portions. 1. I need the program to calculate the gradient of a user entered function. 2. I need to multiply matricies which I think I know how to do but the matricies need to have … |
| | Hey guys, I have a program zipped and attached to this message. Can someone please run it on command prompt or cygwin or something and let me know if it works? I tried running it on it but for some reason it did not work but when I run it …  |
| | I need to develop a piece of code in an old legacy Visual C++ 6.0 system. I am invoking a stand-alone executable via a system call. This exe is supposed to create a file if processing goes OK or not create one if it fails. The name of the file … |
| | Hi, apologies since I feel this is a very basic question... I need to feed a function that takes a few arguments, and I'm having trouble with one of the variables: my_function(..., ..., const char* const*, ...) I'm trying to initialize that variable like this: const char* const myVariable[] = … |
| | Hi Guys.. I have a problem in tellg() function.. When I open file in Binary mode , It returns true value,but when I open in default mode it returns false value.I can't understand what has happened ...(the problem is in this code) : [CODE] for(int t=1;t<size;t++){ char ch=input.get(); codes_list[t].symbol=list[t].symbol=ch; input>>list[t].q; … |
| | hi. How to save a bit on the physical disk in the C + +. ofstream write only file, and I would like to save the hard bits but I do not know how to do it |
| | I have a class hierarchy in which the base class is abstract. Each derived class has a set of private members which describe parameters that control how the class processes data. I want to enforce implementation of a setParams() function across all derived classes. However, because the parameters for each … |
| | I have a question, for example I input something on edit and in that time when I'll click on search button it will show find message, but it shows mysql error :'( why? what I am doing wrong in this code? :( [CODE]HWND edit; char t[MAX_PATH]; char query[MAX_PATH]; GetWindowText(edit,t,MAX_PATH); mysql_query(conn, … |
| | Hey everyone, I have to take some code and make my a linked list using the accounts class. would i simply have to replace the list class with a struct???? here is my code.... [CODE]//Assignment #6 due 2-8-2010 #include <iostream> #include <iomanip> #include <fstream> using namespace std; //global declarations typedef …  |
| | I have an MFC application. On the following line MonoBuff = new short[iSize]; an exception is thrown that is caught in CATCH_ALL(e) block in wincore.cpp, getting "Warning: Uncaught exception in WindowProc". It is said to be a CMemoryException. Surprisingly, when I tried to use try/catch block in my code, CMemoryException … |
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