51,593 Topics
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| | i make two man in turbo c++...using graphics...but now i have to move these two man,,,moving n the sense ,,playing football...but i cannt move them move...please help me to move the two man,,, plz help me with the code using turbo...graphics should be supported.. any solution,,,plz mail me at:[I] <<snip>>[/I] |
| | Hi Everyone, i'm hoping that someone can help because i'm a c-sharper who's a little confused in the land VC++ :) I have a set of older c++ files (cpp) that i found on the web and I need to consume them from c#. So, i create a c++ class … |
| | I have this code here from a previous topic that sknake help solve. I can't see why its not working. [CODE]String^ user = gcnew String(username->Text); String^ pass = gcnew String(password->Text); try { Uri^ url = gcnew Uri("http://beta.rapidpremium.net/login.php"); String^ data = "username=" + user + "&password=" + pass + "&login="; HttpWebRequest^ … |
| | i have written the program but my month function is making problem plz chk it and correct it[CODE]#include <iostream> #include <stdlib.h> #include<conio.h> #include<string.h> #include<stdio.h> using namespace std; class expense { private: int income; int gbill; int ebill; int wbill; int oexpense; string month[20]; public: expense() { income=0; ebill=0; wbill=0; gbill=0; …  |
| | i am trying to convert decimals to binary ..the reason i am using function is becoz i want to include -ve numbers too .......i was sucessfull for the positive but for making it run for -ve numbers to i divided into a new function....but i am not able to figure … |
| | I am trying to write a program that interfaces with a BlackBerry device plugged in via USB (utilizing the Desktop Manager API). The only exampes I can find for doing this are in C++, but I only know how to write/interpret VB .NET (I'm a novice, really), so I decided … |
| | hi im working on a project for uni. i am doin a games software development course and i am currently working on a small game. we have to then optimise it so it runs as fast as it can to prevent lag. though im getting alot of bottlenecks around cout … |
| | Hi everyone, I have some troubles with reading floats from a file into a 2d vector. Basically, I have 3 coordinates (x,y,z) of some points which I want to store in a 2d vector. This is what I have so far: [code] #include <vector> #include <string> #include <fstream> #include <sstream> … |
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 | [code=c++] int main() { int i=10; char arr[i]; } [/code] I was expecting an error but it is compiling without any issues. I'm assuming the g++ compiler is doing something but not sure how to disable that. This is my compiler info [quote] Using built-in specs. Target: i486-linux-gnu Configured with: … |
| | I have a 2D array with 2 types of values : '-1' and non - '-1'. -1 implies pixel off else on. After each loop my array changes. Hoa can i make a video from these images ? any idea , tools , any help :X |
| | Hello there! A very quick question: Can I use an already defined int as array size? I want to make an array the same length as a string. I use ifstream to read in a random word from a file and I use .length to get the length of it … |
| | Hey guys, so I want to write a program that calculates the sinus, cosinus and tangent without using math library... Any ideas? |
| | Hello I'm trying to read the ID3 tag from a file. For now, I print out the string that I've read and I can see the title, year and so on but in the specs it says that the first 7 bytes contain ID3, the version, some flags and the …  |
| | Hi everyone: I am fairly new to c++. I have created a dynamic array, but I am having trouble initializing it. My goal is to create a grid, and then assign an initial condition (for example, initial temperature = some value) on the grid points. I know that it would … |
| | [CODE]//word frequency counter #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> struct words { char word[255]; int count; struct words *next; } *pointer, *start, *previous; int statistics(); int main(void) { statistics(); system("pause"); return 0; } int statistics() { FILE *fp; int pom,a; char quest[255]; start=NULL; fp=fopen(name, "r"); fscanf(fp, "%s", &quest); … |
| | hello can u help me to find the combination of very large number in c/c++ ?? |
| | plz i m having error at line 71 and 83[CODE]#include <iostream> #include <stdlib.h> using namespace std; class expense { private: int income; int gbill; int ebill; int wbill; int saving; public: expense(int, int, int); int display(); void setTotalIncome(int); void setEBill(int); void setWBill(int); void setGBill(int); int getEBill(); int getWBill(); int getGBill(); … |
| | I am very new to C++ and have written only basic algorithms. In school we use turbo c++ compiler but now i have to attend a workshop for which I need to be able to use a gnu compiler and I do not know how to change my programs for … |
| | hi, i want to ask using AssignFile, Reset, FileSize, BlockRead, CloseFile on c++ builder (codegear 2009) ?? [CODE]system.AssignFile(objfile,OpenDialog1->FileName); system.Reset(objfile,1); FSize=system.FileSize(objfile); system.BlockRead(objfile,Buf,SizeOf(Buf),NumRead); system.CloseFile(objfile);[/CODE] and get error : [BCC32 Error] UnitFile.cpp(1102): E2294 Structure required on left side of . or .* thanks in advance sorry my english bad |
| | Hello everybody :) I've to solve C++ problem and there it is: [B]You have to write a program in C++ that computes the difference between the maximal and the minimal value of function f(x,y) obtained on an integer point in a given rectangle [a, b] x [c, d]. Your program … |
| | I recently made the transition from Netbeans to Visual C++. Anyway I am having a little trouble configuring some settings. Does anyone know how to create project templates? I have been messing around with the settings, but I can't seem to find an option for it. I want a template … |
| | Problem Statement: Expense class You are required to write a class name “Expenses “. Expenses class has • Constructors • Destructor • Write a function to add expenses for a month • Write function which displays these expenses. • Write a function which calculates savings for a month. • Expense … |
 | /home/stefa/Projects/C++/evstevemd/Additions.h|7|error: expected class-name before ‘{’ token| /home/stefa/Projects/C++/evstevemd/Additions.h|9|error: expected ‘)’ before ‘parent’| ||=== Build finished: 2 errors, 0 warnings ===| Here is the file. Cpp file is empty. There is something wrong with My class and inheritance knowledge. What is wrong? thanks [CODE=C++]#ifndef ADDITIONS_H #define ADDITIONS_H #include <wx/panel.h> #include <wx/notebook.h> class … |
| | I'd like to create a matrix class using the vector library. I have seen many examples of creating a matrix class using standard C arrays, and in each of these, arrays are declared in the private section of the class declaration, and initialized in the constructor function, as such: [code=c++] … |
 | I can't find, within my project directories, any option to specify where I want my .exe to start in. I want to do this for that sake of .dll and other file references. Any help? |
| | Hey, I made a function that will automatically conjugate a Spanish verb and I want to put the different conjugations in different Edit Text controls but when I use SetDlgText it comes up with a bunch of i's with accents. Here is the code that I've narrowed it down to. … |
| | Hello, i'm developing a game in VC++ 6.0 with MFC. My screen resolution is 1280x1024 pixels, so i have a background bitmap with this size. The problem is when i change the resolution to be smaller, some parts of the pictures are not seen. I'm using BitBlt() function to display …  |
| | hey guys im using vi to try and compile code for school in main i keep getting errors in the functions READ and PRINT and they say that the variable in the function call is not within the scope. here is my code: [code] #include <iostream> #include <iomanip> #include <fstream> …  |
 | Hi, I am trying to solve a riddle. I am passing a value to multimap like this:- combined = string1+"\t"+string2 and then setting the output to fix size using maximum length and [CODE] cout.width(combined.length()) cout.fill(' ') [/CODE] The problem is that the fixed length format is not coming properly but … |
| | Hi, Just wonder whether this is a bug of GDB? I'm trying the debug my project and would like to watch one of the member variables "m_iFrames" can not be watched !!! The error messages are like: DEBUG>>00000671-var-create - * "m_iFrames" DEBUG>>00000671^error,msg="mi_cmd_var_create: unable to create variable object" I'm just wondering … |
| | I have a quick question with visual studio. This is the first program I have ever tried with the 2010 version and get the following error... 1>------ Build started: Project: test, Configuration: Debug Win32 ------ 1>Build started 1/17/2010 4:53:30 PM. 1>_PrepareForBuild: 1> Touching "Debug\test.unsuccessfulbuild". 1>ClCompile: 1> All outputs are up-to-date. … |
| | It is supposed to take a ceral box measurement in ounces and convert it to metric tons, as well as tell how many boxes it would take to equal a metric ton. Here it is. [CODE] #include <iostream> using namespace std; double ounces; cout << "Enter the box weight in … |
| | Hi, I'm a complete noob to C++. I am currently just making text games where you input a string and depending what that string is and what you have in your "inventory", the program will cout something else. I would like to know how i would be able to save … |
| | Hi everyone, This is my first post so go easy on me please :). I am trying to compile a simple program that takes two binary numbers and computes a third based on bit operations (i.e. C = A&B, C = A|B etc....) but I run into the "vector subscript … |
| | hii ,, i have a sorted array x[]={1,2,10}, and a "target" i want to search recursively for the sum of the elements of the array with any combination without any repetition of elemt in the array (i.e. if target=11 then we can get it from the array (1+10) but if … |
 | Just wanting to see how you guys view this, but as far as I understand, a constructor for a class is only used to initialize variables. Is this true? THanks  |
| | Please help, and point me in the write direction... okay so I'm basically doing a simple address book. i can create contacts and display them and search for them but... when i return to the main menu and attempt to search again... i cannot open the file... or if i … |
| | I am currently taking a class and I am confusing on how to configure VLSM, metrics advanced distribution, etc can anyone help me out? |
| | [CODE] #include <iostream> #include <cstdlib> #include <ctime> #include <cstring> using namespace std; struct UKStudent { char name [30]; int noTest; float mark [10]; int final; char grade [30]; }; struct OverseasStudent { char country [30]; char name [30]; int noTest; float mark [10]; int final; char grade [30]; }; union … |
| | Hi, In one app I am porting code from jave to c++.The program compile fine but crashes when it enters into the ported code section.I use STL linked list implementation from here: [URL="http://www.syncdata.it/stlce/stl_wce.zip"]http://www.syncdata.it/stlce/stl_wce.zip[/URL] Java code: [CODE] LinkedList toProcessx; LinkedList toProcessy; void phaseUnwrap() { int startX = inputWidth / 2; int … |
 | I thought I would ask while this thread is active "What is the best Ubuntu c++ compiler that allows VC++ code?" I really like Visual C++ as it has great debugging features that Dev-c++ could never match. But how do I compile my VC++ projects to run on Ubuntu? |
| | please tell me how to get bitmap image in programm while using graphics mode. please write the code for getting bitmap. i shell be thnkful to u. |
| | Hello all! I need a little help in installing plplot. I've got Windows Vista, Visual c++ 2008. I didn't see any tutorial on how to install it... somewhere they talk about cmake, but I can't understand what I've got to do to include all the libraries of plopt... any step-by-step … |
 | The program uses an implementation of the Sieve of Eratosthenes to generate a small list of prime numbers which is subsequently used for direct comparison to find the prime factors for any whole number up to and including 478939. This limitation is due to the primitive method used to generate … |
| | Hi there, I'm so frustrated now =( I have read the forums and this [URL="http://www.goingware.com/tips/member-pointers.html"]http://www.goingware.com/tips/member-pointers.html[/URL] But i still cannot get this to work: [CODE]class FileParser { public: void load(char* file) { MyDocumentClass _mDoc; _mDoc.LoadFile(file); // is this correct syntax? parse(_mDoc, &(FileParser::saveElement)); // or is this correct? parse(_mDoc, &(this->saveElement)); } private: … |
| | I want to learn c++ and downloaded a gcc compiler. but the compiler isnt functioning. when i click on the application window, a black screen just flashes with the text:"c++.exe:no input files" What could be wrong?what do I do about it? |
| | Hello there! This is my first post so I'd like to say hello to everyone on the forums! Anyway, I am coding a hangman game. I read my words from a text file with ifstream, then I randomize a word and I set the string "sSelectedWord" to the randomized word. … |
| | 1. I'd like to become at least competent with C++ (good enough to work on large scale projects or even get a job as a C++ programmer), how long do you think it will take? I have some experience with java, and am learning with the PDF version of [URL="http://www.amazon.com/Beginners-Guide-Second-Guides-McGraw-Hill/dp/0072232153"]this …  |
| | Hi, i have to sort two arrays in a specific way. I have two parallel arrays A[N] and B[N]. Ι have to sort A in descending order. The changes in A should be happened in B at the same time. If 2 or more items in A is the same, … |
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