51,593 Topics
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| | Hi, I have come up with the source code to read files. However, this is source code reads the file 1024 bytes at a time. I would like to modify the code to read it byte by byte. This code wants to determine if 001 bytes ( oo oo o1 …  |
| | Hi friends, I have an assignment to put three little programs into one, making each one a function of the main program, which is a kind of menu. The three work perfectly as separate entities, but when I put them together, the thing won't compile. Can anyone tell me what's … |
| | I want to solve this problem. [QUOTE]There are 52735727364727372 students and 2889221271829121 teachers in a school . On children's day each teacher brings x toffees with him/her . All the toffees are collected and distributed equally to all the students . At the end it was found that there was … |
| | Hi developers! This is part of a bigger application written entirely in C++. This is my first time developing an application of this size in C++, and also my first time using the Win32 APIs implementation of threading. So of course I was MEANT to run into errors :). This … |
| | Heya peeps, im back with my code of hell. I would like to know if anyone knows the code to create a shuffle button by using the play button and a listview control. My listview has tickboxes, so i imagine it would involve ticking them all and playing them randomly?  |
| | [CODE]#include <cstdio> #include <cstdlib> #include <iostream> using namespace std; digits() { If(num==1) cout<< "one"; } int main(int nNumberofArgs, char* pszArgs[]) { int num; cout << "Enter a number 1 to 9:"; cin >> num; digits(); system("pause"); return 0; } [/CODE] I just want to make a simple function that when …  |
| | [CODE]// Cubic conversion of Borwein's Algorithm // Each iteration converges // cubically against 1/pi; // that is, each iteration // approximately triples the // number of correct digits. // Program written by ROBO_HEN5000 // Algorithm complements of Wikipedia. #include <iostream> #include <cmath> using namespace std; int main() { float a; … |
| | Guyz, im trying to figure out how to find solutions to there two problems 1. Consider a field which is square in shape and 100*100 units in area . I am standing at the North-West corner of the field . From any place I am allowed to take one of … |
| | Getting two link errors with my code provided below They are being generated by lines 38-46 I believe. I can't seem to find an issue... 1>AoE2Wide.obj : error LNK2020: unresolved token (0A000340) "public: static class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > AoE2Wide::Program::_gameDirectory" (?_gameDirectory@Program@AoE2Wide@@2V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@A) 1>AoE2Wide.obj : error LNK2001: unresolved external symbol "public: static … |
| | I have been looking around a while, trying to figure out at the very least, how to take a string like "25 from a car accident" and have 25 as a useable integer and "from a car accident" as a useable string. what i'm trying to accomplish is doing this … |
| | Hi! This is a real simple and stupid exercise I thought I knew how to handle. The complete heading is: - Write a function in C whose input is a real number and whose output is the absolute value of the input number. The following is the code I've developed. … |
| | Hello: (I am using Borland C++ Builder 6 Professional) Before you jump all over me I've already read the post Returing Arrays C/C++ and completely understand. For some reason I am still having difficulty implementing in my project. Very brief Project Explanation: I am collecting data from a laser sensor … |
| | Hello, Any ideas why this is giving a segmentation fault?: #include <iostream> #include <new> using namespace std; struct List { int A; int B; List *next; }; int main(void) { int llength; llength=1111111111; List *L; L= new List[llength]; L[37370197].B=-37370197; delete [] L; return 0; } Cheers |
| | Okay, so I finished the first of a few files on the converting, and I am getting some errors, and yes I have googled them and tried to fix to no avail, I am a noob on programming and am being told to work on a high level project, which … |
| | I have the following code witch I have modified with help from Ancient Dragon: [CODE]#pragma warning(disable: 4786) #include <io.h> #include <string> #include <vector> #include <list> #include <iostream> using namespace std; // structure to hold a directory and all its filenames. struct FILELIST { string path; vector<string> theList; }; void TransverseDirectory(string … |
| | Hello, I have the following code: [CODE]#pragma warning(disable: 4786) #include <io.h> #include <string> #include <vector> #include <list> #include <iostream> using namespace std; // structure to hold a directory and all its filenames. struct FILELIST { string path; vector<string> theList; }; void TransverseDirectory(string path, list<FILELIST>& theList) { struct _finddatai64_t data; string … |
| | Hello, I want to write a function which takes two linked list and check smaller The function CheckSmaller should return 1 if num1 points to a linked list which represents a smaller number than the number pointed to by num2 linked list. Otherwise, it returns -1. If both linked list … |
| | I want to create a program that create a file and encrypt it and when the user click the file it will open the program and ask user for password and if the password is correct it will decrypt the file but not save the decrypt file and read the … |
| | [code] std::copy (std::istream_iterator<string>(cin), // beginning of source std::istream_iterator<string>(), // end of source std::ostream_iterator<string>(cout,"\n")); // destination [/code] how could I quit from it? besides, if I want to copy partial data from std::ifstream what should I do with the copy algorithm? following code would copy all of the data into the … |
| | Hello, this is a newbie question, sorry for that, I am trying to port some Java code to C++. In this code I have a hashmap connecting string values to float arrays of varying sizes. They are specified like this: [CODE=Java] HashMap <String, float[]> hm = new HashMap <String, float[]> … |
| | i want to parse a file,my problem is in lines 2,3,4 of each person(every 4line make a person from my class person)numbers of my variables in lines 2,3,4 changed.i want to push_back each of variable in line 2 in a vector until it comes to "\n",i want to continue this … |
| | [code]#include "stdafx.h" #include <iostream> #include <string> using namespace std; int _tmain(int argc, _TCHAR* argv[]) { const int Grade1 = 0 ; 29; const int Grade2 = 30 ; 39; const int Grade3 = 40 ; 69; const int Grade4 = 70 ; 100; int Grade ; int i = 0 … |
| | [CODE]FileInfo[] Images; Images = Folder.GetFiles("Image Files (JPEG,GIF,BMP)|*.jpg;*.jpeg;*.gif;*.bmp|JPEG Files(*.jpg;*.jpeg)|*.jpg;*.jpeg|GIF Files(*.gif)|*.gif|BMP Files(*.bmp)|*.bmp|All Files|*.*", SearchOption.AllDirectories);[/CODE] getting error here [B]An unhandled exception of type 'System.ArgumentException' occurred in mscorlib.dll Additional information: Illegal characters in path.[/B] completely confused because it works nice in other app. what i m missing? help  |
| | Hi all , I am having problem about killing multiple treads in my program at the same time, here is my code: [CODE] int main() { while(1) { i++; HANDLE thread =(HANDLE)_beginthread(TheThread, 0, NULL); if(i==10) break; } Sleep(3000); TerminateThread(thread,0); return 0; } [/CODE] now "TerminateThread(thread,0);" will only terminate the 10th … |
| | Error 26 error C2061: syntax error : identifier 'Form1' c:\Users\Black Chocobo\Desktop\WaveMachine\managesongs\WaveMachine\WaveMachine\WaveMachine\WaveMachine.cpp 16 [CODE]// Create the main window and run it Application::Run(gcnew Form1.h());[/CODE] |
| | 1>c:\users\black chocobo\desktop\wavemachine\managesongs\wavemachine\wavemachine\wavemachine\Form1.h(334) : error C3845: 'WaveMachine::Form1::filePath': only static data members can be initialized inside a ref class or value type [CODE] // the actual music file and its path is kept in the second subItem (of each track) String^ filePath = this->listView1->CheckedItems[0]->SubItems[2]->Text;[/CODE] Any suggestions |
| | Hi every body . iam writing a code that reads a line from input file and searches it in test file. but my getline() function reads only the first line and enters an infinite loop i have read many discussions on the topic but still unable to resolve the issue. …  |
| | I use visual studio tool. This compiles but no real output. [CODE]#include <iostream> #include <windows.h> #include <cstdlib> struct somestruct { char *name; int number; }; void mythread(void *lpParam) { somestruct* p = static_cast<somestruct*>(lpParam); printf("%d\n",p->number); ExitThread(0); } int main() { DWORD thread; struct somestruct *p; p = (somestruct*)malloc(sizeof(struct somestruct)); p->name=(char*)malloc(strlen("First Last")+1); …  |
| | Note, this is converted from C# with a converter program and some of my own hand coding, there is definitely a possibility that the compiler is right and something of the sort does not exist in C++, or its named diff. I am having an issue with the long !System::Windows....line, … |
| | [CODE]#include <cstdio> #include <cstdlib> #include <iostream> using namespace std; int main(int nNumberofArgs, char* pszArgs[]) { char ch, play_or_no_play='y'; while (play_or_no_play == 'y') { cout << "Enter a character: "; cin >> ch; while (ch != 'c') { cout << "Wrong Character, try again: "; cin >> ch; } cout << … |
| | I'm trying to add a way to create scenes for my raytracer without having to recompile it every time. So far i've gotten the irrXML parser up and working. My xml file declares all the scene properties I need and i can get them into my raytracer, but my problem …  |
| | I am sort of new to forums, therefore forgive me for mistakes. I am trying to eliminate a for loop within a function and run the function in multiple threads. Is it possible?. The comment inside the code, explains it. Any reasonsble change that results in a good multi-threading. [CODE]#include … |
| | I have to make a simple 3d game. The game scenario consists of a spacecraft that is attacking the home planet by firing rockets from along its length randomly. The game player moves the baton up and down to stop the rockets before they reach the planet. The star field … |
| | I'm using turbo c++ to build a project for school. It is compulsory to use TC++. I tried downloading windows.h but it gives a lot of errors when compiled. Is there any link i can use to do so easily without many problems? Tuesday is the deadline. Please help! |
| | I am making a program that involves adding time. It involves adding a beginning time, duration which would lead to the result of an end time from the sum of beginning time and duration. I will illustrate the problem i am having below: 12:15 start time with a duration of … |
 | Hello all!! First of I just want to say that this is a great site. I am just looking for some advice I have just started studying for my degree in software development. I have been reading a lot of books on software development and they all say the wau …  |
| | I have created a music player that is yet to function to its full ( the add button on my main form1 won't bring up the AddNewWaveTrack_form ). These errors vary so any help is much appreciated as I want to learn fast. [CODE]#pragma once #include "AddWaveTrack_form1.h" #include "EditWaveTrack_form1.h" namespace … |
 | I'm trying to use a DLL that is generated from one of my projects. When I try to compile I get alot of linker errors from ONE of the files from the DLL project. What I think is the problem is that I should be linking to the .lib file … |
| | Hi, I'm trying to add a drop down combo box for user selection in the main window of my application. The program reads USERS.txt, loads each line into a const char*[] and (hopefully) adds them to the combo box. The problem is my program displays Chinese characters instead of the … |
| | Okay, so I understand this C# program I was given to analyze, and now I am being told that I need to convert the entire program into C++, just my luck. So there are several features that at the moment I do not understand how to convert over. If there … |
| | Hello, I'm working on a program that requires an XY coordinate plan and I can't seem to find a source anywhere!! that shows how to print a "." or "+" or anything at a certain xy coordinate on the screen. for instance, I need to be able to take 2 … |
| | plz help me on this question..... 1 2 3 4 5 6 7 8 9 how i can swap this like this 3 2 1 6 5 4 9 8 7 plz soon....... |
| | Help.... I have 3 vectors I want to store in 1 array, but I can't figure out what I'm doing wrong [CODE] vector<double> range, az, el; double RAzEl[1000][3] = {}; for ( unsigned int j = range; j <= (num); j = j + ncols ) { range.push_back(row_d[j]); } for … |
| | Hi.. Could anyone help me to find out why this program cannot count the frequency of each alphabet? There is a output for calculating the total lines and length but not the frequency.Appreciate any help. Thanks! [CODE] int main() { const int MAXLENGTH=10; const int MAXCHARS=10000; static double i[26]; char … |
| | [COLOR="Red"]can [/COLOR]you help me!! I have assignment that told me to write a function 'CheckSmaller' that takes two linked list as input arguments. These linked list contain numbers like this: num1->3->5->2->NULL (assuming that num1 is pointing to number 352) num2->4->3->9->1->NULL (assuming that num2 is pointing to number 4391) The function … |
| | Hi all This is for anyone that saw my other post I am developing a reservation system for a restraunt as a means of gaining experience and improving my programming. What I was windering I was hoping to implement a process where one restraunt could take the reservation for any …  |
| | Hey guys, I'm new to these forums and new to C++ in general. I have been looking around the forums and I have found threads with similar issues to mine but unfortunately they don't cover my exact issue. Essentially I want to make a histogram in C++ that takes a … |
| | So I made a program, and have thoroughly tested the bugs out, and now finally figured out how to make a release build for my grandfather to see. So he tries running it and it crashes on the first input. I was told i may need to send him the … |
| | I need to read a file which looks like this: model=binomial steps=1 time horizon=1 S=101 u=1.2 d=0.95 r=0.03 number of instruments in portfolio=2 instrument=option exercise=european position=short type=put strike=98 expiry=1 instrument=option exercise=european position=long type=put strike=10 expiry=1 and i just need to read everything what is on the right site of '=' … |
| | Hi Guys, Im currently working on a school project but im stuck, if worked on this problem for over 4 days now and i cant fix it. Using Direct3D 9, Visual studio 2010, im trying to make create a heightmap. Im using a bmp file. Problem: the heightmap doesn't show … |
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