51,593 Topics
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| | if (map[xPos][yPos] == map[xTPos][yTPos]) this works and does what I want it to do. But when I increase the traps. Multiple traps "5" display on the grid but only the last one (assuming) that is created will trigger my if statement. I was trying to add map(i)[xTPos][yTPos] but I'm having …  |
| | Hello All, I have the following doubt: Currently both the ipv4/ipv6 headers are such that they donot result in any padding. So it allows us to typecast the input stream to the ipv4/ipv6 header c structures. But don't you feel that this code is error prone ? [CODE]int Comp::getfield(uint8* pInPktStream) …  |
| | Hi all, I have no idea about C#. I know that its a good language +****************************************************+ | I DON'T NEED ANY HYPERLINKS( EXCEPT:Good Sites) | +*****************************************************+ My questions are the following ------------------------------- 1. What is the difference between C#, C++,VB.NEt? 2. What is .Net , is C# and C++ .Net … |
| | Please suggest me from where I can get the links and free tutorials for c++ . |
| | Hi, i just finished my program but i am having problems on how i will create a setup that will install my program to another system. i use both microsoft visual studio 2008, and 2005. i will appreciate it if any one can help me. thanks |
| | I seem to be having a few problems with pointers at the moment. At the moment I have a char pointer as a parameter in one class. The function is being used in another class and is being used to get an input file. [CODE] ClassA* CAptr = new ClassA; … |
| | I need a source code of the following program in object oriented programming language.. (turbo c) write program that will demand password for three time. after that user can access the data of student of a class by entering name or roll number of the student Suppose a class has …  |
| | hellow!! i mworking in c++ managed on vsual studio c++ 2010 express edition but when i get the text from a text zone and use it in an other traitement it's gve me tis error: de 'System::String ^' en 'System::String ^[256]' nd there is my code: private: System::Void BGENER_Click(System::Object^ sender, … |
 | Hi, Please help me spot where I go wrong. I cannot understand why the error. The Code with error and full error are below. Thanks Error:[COLOR="Red"] loaddll.cpp:6: error: invalid conversion from 'void*' to 'void (*)(wxString)'[/COLOR] lines 5, 6 and 7 [CODE=C++]typedef void (*helloSteve)(wxString);//takes string and Shows it! helloSteve myFunc = … |
| | Hello. I'm having a bit of trouble with my programming. I'm giving a signal to my board and it will detect and display the maximum and minimum point of the signal wave. However, I'm not really sure if I wrote my codes correctly. Also, I'm getting this error : "operator … |
| | I have a question about how to clean up certain thing, or if it's even necessary at all. Say I have a vector of objects. These objects have members that are pointers. When I remove one of these objects from the vector will everything be cleaned up automatically? Or do … |
| | If I use classes, will this reduce my lines of code? Is this a good way? Should I use a header for certain functions? Thanks ( Just wondering, thanks [CODE]/* Ask how many sides a shape has, go to that shape, ask for values to do questions about the shape … |
| | a1x1 + b1x2 + c1x3 = d1 a2x1 + b2x2 + c2x3 = d2 a3x1 + b3x2 + c3x3 = d3 create a c++ program that will accept the values for a,b,c,d and determine the values for x1, x2, x3. Display the values for x1, x2, x3... need help now!!!! … |
| | In my code, I need to enhance the List class to throw an exception whenever an error occurs. I need to use exception specifications for all functions. I know it would be something like if .... throw (OutOfRangeException) I am just not sure where and how to incorporate this. Please … |
| | I've been working with linked list and i'm currently trying to make my copyList template function work. It should return the head of the new list. Could someone give me some advice on how to fix it, currently i get no output when i try to print the copied list. … |
| | if i have two strings say: string str1,str2; then how can i compare them by using strcmp function?  |
| | Hi all, I have an issue with a piece of code that I am writing. The problem I'm facing is that I have a base class and a derived class, and the base class contains a pure virtual function. I then want to overload the pure virtual function with a … |
| | Hi, I've got an assignment regarding the use of gotoxy in for loop,the result i'm supposed to get is this **** **** **** **** **** **** **** **** Please help me out..  |
| | Hello DaniWeb, I'm relatively new to DaniWeb, and recently decided to come back to an attempt at learning to C++. I just finished reading a particular section on OOP etc. and i have some questions about pointers to objects: like: [CODE] MyClass *Object; [/CODE] Can someone please: 1) Explain why … |
| | Hello everyone. I know how to create a .exe file, but I do not know how to "install" my .exe on another persons' computer. I realize that I could just make all images, sounds, etc, into resources, and simply have someone execute my .exe file, but I want to "install" …  |
| | I have if statement which doesn't return true even though it should. [CODE] std::vector<__int64> numbers; for( __int64 i = 2; i < input; i++ ) { numbers.push_back(i); } __int64 tmp = 4; for (unsigned int i = 0; i < numbers.size(); i++) { [U][B]if ( numbers[i] == tmp )[/B][/U] { … |
| | I have embedded a font SUCCESSFULLY into my program. It works on my computer and on the majority of other computers (all of different versions of Windows OS) HOWEVER For some reason, on some computers, the unicode characters (which normally show up just fine) show up as blanks... Instead of … |
 | I am making a program for my class where I handle equation problems such as: 2a-3b+5c=10 3a-2b-3c=-5 where the answer would be: 5a-5b+2c=5 This is what I have so far. It still isn't perfect cause I still haven't figured out the "=" part. I do have it performing the math … |
| | Hi.. Can anyone please help me to write the following program: Write a program that will calculate the price to be paid for the development of photographs. The program must use two overloaded functions, each named calcTotal. If the client wants jumbo photographs, and the film is a 36 exposure … |
| | i am using window 7 .in window 7 tubo c++ does not support full screen mode .i want to use the graphics functions of turbo c.i am unable to use graphics in turbo cin window 7.so please anyone tell me the solution. |
| | I'm working on a project from school - airline reservation system. I have a slight problem. I created a class time and another class aircraft. In the class aircraft i have created two private data members of the type time - atime, dtime. Now why does the compiler flag an … |
| | the following is the code... #include<iostream> #include<iomanip> using namespace std; int main() { float start_temp,stop_temp; float step,F,C; cout<<"start temperature:"; cin>>start_temp; cout<<"stop temperature:"; cin>>stop_temp; cout<<"step temperature:"; cin>>step; float i=0; cout<<setw(10)<<"celsius"<<setw(15)<<"fahrenheit"<<endl; cout<<setw(25)<<"celsius"<<setw(15)<<"fahrenheit"<<endl; for(i=start_temp;i<=stop_temp;i=i+step) { C=(5.0/9.0)*(i-32); F=32+(9.0/5.0)*i; cout<<setprecision(2); cout.setf(ios::fixed); cout<<setw(10)<<C<<setw(10)<<i<<setw(10)<<F<<endl; } } and the output for the above code is: start temperature: 0 … |
| | Hi, Say i have 2 functions with same name and same parameters but different return type, then would that be functions following function overloading concept? Kindly give me a reference of the same.. |
| | Hi, I want to know if I can use the structure pointer -> to access a structure that is in an array. currently I am using this: [CODE] while (inFile.good()){ inFile.getline(cstring,80); [B] (*points[size]).x = strtod(cstring,&pEnd); (*points[size]).y = strtod(pEnd, NULL);[/B] size++; } [/CODE] points is a pointer to an array of … |
 | Hello Everyone I have been looking on the net and I found a few things but I am a bit think :P. I need more of a walkthrough kind of things. I am currently making a programe for a game and I need to access a database that has information. … |
| | Hi guys, im experimenting with vector functions, but are unable to come up with anythin constructive. basically i have this file that contains information. sorta like a friends list. I need to store in an array, and i decided to use vectors for this. Any help please? data.txt [code] <div … |
| | Hi I have Fedora Core 5 2.6.17-1.2174_FC5 with gcc version: gcc (GCC) 4.1.1 200 60525 (Red Hat 4.1.1-1) everything compiles well, and run smoothly on my machine. But the actual production machine is Linux 2.4.20-46.9.legacysmp with gcc version gcc (GCC) 3.2.2 20030222 (Red Hat Linux 3.2.2-5) on the production machine, … |
| | I have this code and I am having trouble figuring how to make it run without any errors, can anybody give me some pointers on how to fix it [CODE]#include <iostream> #include <string> #include <iomanip> using namespace std; class TicTacToe { private: char theBoard [3][3]; public: TicTacToe(void); void playOneGame(void); void … |
| | how can i create a parse tree if i am using recursive descent parser G->ET like g() {E();T(); }.....  |
| | Hi all, Im new to this website, and mostly to any type of programming. Recently Im trying to learn C++(Game Programming), and my father wants me to make him a web-based application, that flashes the window wether there is any sound playing(I believe it's called an audio visualization), I talked … |
| | Hi, everybody! I'm currently building a C++ Forms application for my supervisor to track employee sick/vacation time. The program reads each employee's information from a file, and I want to be able to display each employees information in a label. (The binary files have been created successfully and the file … |
| | hi, i've writen a function to get a sub array from another array [code] subarray(int* Array, int start,int end) { typedef int* ptr; ptr sub; sub = new int[end]; for(int i=start; i<end; i++) { int j = 0; Array[i]=sub[j]; j++; } for(int l=0; l<end; l++)//added as an after thought cout<<sub[l] … |
| | Hello [B]Would anyone like to share their tips & tricks for debugging functions & whole programs in C++. [/B] I find I suck at debugging :P & really dont look forward to having to go through my functions again to see if there are any loopholes etc so if anyone …  |
| | Hello. I've got a program with several StringGrids and need to implement *one* popupmenu for them all. Everything up till now works fine - even the popupmenu's but... When I left-click on the grid the cell changes color ie receives focus. When I right-clck on the grid the popupmenu appears. … |
| | WAP to read 'n' numbers and print the biggest and smallest number. Pls help me with this. The program should be done with without using arrays....... |
| | Hi, i was trying to use the fstream library to create a programme that serves someworth like a data base i.e it stores some information that will be used in the shortest possible time but the problem is that it does not work for me does any one have an … |
| | So, I am sure everybody has been here, but just to describe it properly, a short story: I am writing a (to me) somewhat complicated program. By changing the input parameters I suddenly start getting a run-time error. After several hours of placing more or less meaningful printing-commands around the … |
| | I have noticed that there isn't a thread where you are given puzzles. So i going to change that! Your puzzle is to make an exacutable c++ program that outputs "hello world" 20 times (try to be exciting). Rules: it has to be c++ it has to work I look … |
| | hi , i saw the following link [url]http://www.cplusplus.com/reference/iostream/manipulators/setprecision/[/url] and tried it in the same way... #include<iostream> #include<iomanip> using namespace std; int main() { float a=3.14; cout<<fixed<<setprecision(4)<<a; } so my output should be:3.1400. but when i execute the above code.. i am getting the error as fixed undeclared..  |
| | C program to construct a divided difference table for f(x) = cos x based on five points which are 0,1,2,3,4. Use the coefficient ak (k, cos k). Round up to 7 decimal places. Derive p1(x), p2(x), p3(x), p4(x). Please I need any help I can get on this program. Whatever … |
 | How can i generate assembly code using g++ ? |
| | i have a code to check lexeme is keyword or not: [CODE]void Is_Keyword_Or_Not() { char *keywords[]={"INCLUDE","VOID","MAIN","i","var","cin","cout","if", "then","else","and","or","not","loop","exit","when", "while","until"}; int j=0; flag=0; for (j=0;j<18;j++) //search for keyword & # of keywords = 18. { if (strcmpi(lexeme,keywords[j])==0) { temp.assign(lexeme,INCLUDE); flag=1; break; } } } [/CODE] i have defined macros like: INCLUDE 1 … |
| | Hi guys, i'm trying to extract the data "Lady Gaga Fame Monster" from the html below using substr and find, but i wasn't able to retrieve the data. [code=html]<div class="album-name"><strong>Album</strong> > Lady Gaga Fame Monster</div>[/code] I'm tried to extract the whole string first, but i can only extract till <strong>Album</strong> … |
| | hi i am trying to use setw with a string.. here is my code.. [CODE]string a="hello"; cout<<setw(10)<<a;[/CODE] i inserted string header and iomanip header files... now my output should be with a few number of blank spaces and then it should print hello.. but its not working for me... could … |
| | Hy i Know it is not on English but could somone take a look on my code and tell me what I am doing wrong.... [CODE] #include <iostream> #include <fstream> //ukljucujemo cstring biblioteku koja omogucava napredne operacije sa stringovima #include <cstring> using namespace std; #define VELICINA 40 //fixsno definisemo vlisicinu … |
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