51,593 Topics
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| | Hi, I'm learning to use the Simple, Fast, Multimedia Library (or SFML), and I was going through the tutorials on their website. The first one (found [URL="http://www.sfml-dev.org/tutorials/1.6/window-window.php"]here[/URL]) said the following: [QUOTE]Under Windows operating systems, you may have created a "Windows Application" project, especially if don't want the console to show …  |
| | Hello, i need help adding to a class member. I want to make a deposit and add $20 to the class member, however, it doesn't change the value of the class member when i do so. example: $200 + $20 = $200 And, i assume the other methods won't work … |
| | Hello, This assignment is demanding for me. The user is prompted to enter 4 names, and by way of one cout line, call the function 3 times to determine which name comes first lexicographically. Not sorting all 4 names, just displaying which one comes first. Cannot use a loop, or … |
| | I'm writing a program in C++ to convert a user-submitted string into a postfix expression and then evaluate it. The function where the string is tokenized into operands, operators and such looks like this: [CODE] void Calc::tokenize(char * s){ cout << s << endl; int i = 0; char * … |
| | Im trying to grab a value from my query. Im gettign a sintax error. It contains a picture name mypic.jpg. Then i want to display that on my page. This is what im doing how do i do this correctly. display.aspx [CODE] <asp:Image ID="Img1" ImageUrl="pathToPicture" runat="server" /> [/CODE] display.aspx.cs [CODE] … |
| | I’m writing my first form application in Visual Studio 2008 C++. The first thing that has to happen is to select the project you are working on. I used a combo box that will eventually be initialized from the contents of an INI file. The first time through it will … |
 | So I am getting the below error messages with seem to do with vtable. I would assume this is in relation to Virtual functions. I'm not sure what i'm doing wrong here or even the correct corse of action. HELP :-) ? Ld /Users/krisarmstrong/Library/Developer/Xcode/DerivedData/CS215Lab4-cyvyxpagepfuqhdusjdgbpjctcis/Build/Products/Debug/CS215Lab4 normal x86_64 cd /Users/krisarmstrong/Documents/XCodeProjects/CS215Lab4 setenv MACOSX_DEPLOYMENT_TARGET … |
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| | Sometimes, when I want to move the project from path A:/B/C to path A:B/C/D/E, the relative path of the project have to be changed. I think I could write a small program to deduce the relative path after changed, it would be better if I could change the "Additional manipulate … |
| | Making a chutes and ladder game for my CS2010 class and go it knocked out pretty quick. So I thought everything was running smoothly until I tried to run the program. The problem has to do something about my "winner" function, but I've gone over my teachers notes and cannot …  |
| | hello guys grade book *write a program that will calculate the average of an unknown number of students. *your program should validate the grades to be between 0 and 100. *there are 5 grades to be entered and averaged . *the program should enter the grades using a for loop … |
| | I have been working on this assignment, and it says i have to sort a 2d record array based on the type of record so if its an id its an int and if a name its a string, my problem is when i begin using my bubble sort, it … |
| | Was doing this project for school, but i cant get it to run, it's a telephone directory project here's the code [CODE]#include<iostream> #include<fstream> #include<string> #include<iomanip> using namespace std; char getChoice() { char choice; cout<<endl<<"Do you want to look for another? "; cin>>choice; return choice; } void getNames(string &strFName, string &strLName) … |
| | Hey, I've got a list that takes in the current co-ordinates from a board. I'm trying to sort that list using the Manhattan distance heuristic but I'm not sure how to go about it. My list is simply [CODE] list<int> list1;[/CODE] With the formula by which it should be sorted … |
| | [CODE]#include<iostream> #include<string> #include<conio.h> using namespace std; struct node{ int num,ages; string name,skills; struct node *link; }; typedef struct node *nodepointer; nodepointer add(nodepointer &head, int nu, int age); void str(nodepointer &head, string na, string ski); void DeleteFront(nodepointer &head); void display(nodepointer head); int main(){ nodepointer head = NULL; int c,nu,age; string na,ski; … |
 | Hello wonder if you could help me please.. Basically I'm trying to implement a script where it searches through a file and sees the most popular word.. I've got it doing it like this: [CODE] Squence: 0 0 Squence: 1 0 Squence: 2 0 Squence: 3 0 Squence: 4 0 … |
| | Hi everyone, Im using VS2008 and getting the following error message when I try to build the program which I have so far, I've looked around on the internet to try to understand this error but I'm still very confused any help you can offer me will be greatly appreshiated, … |
| | Hi guys, I'm fairly new to C++, though I have several years of experience with C#. I've made program with XAML and C++. Part of the program's job is to download several hundred 10mb files from an FTP patch server. I've been using the .NET FtpWebRequest for this task, and …  |
| | Hello, I need to search a char array, for a particular word... E.g. [code] char * search; char arr[10] = {'b', 'c', 'a', 't', 'h', 'e', 'p', 'h'}; string words[1] = {"the"}; search = strstr (alphabet, words); [/code] But it doesn't work... Any ideas what the problem could be? Thanks … |
| | For example, I have 2 classes A[x,y,z] and B[a,b] and one vector for each class. I want to read a text file containing data with my two classes For example the text file may contain: A [1,2,3] B [1,2] A [4,5,6] How do i read in this file such that … |
| | a program that inputs a set of letter codes f for female m for male and gpa then computes and outputs the gpa for both female and male |
| | I am trying to write a simple code with if condition. If(x==1||x==2||x==3) { found true; } else { cout<<"Please provide the correct input"; cin<<input; } Based on this i need to have another condition: if(found) { cout<<"Enter number"; cin>>no; } The problem with the code is when i am entering … |
| | Ok i have a problem which i cant seem to figure out why it is not woriking, First off When i do Enter in some Details and want to enter Records to the end of File it give me the choice of enter in the Details. When display the Array … |
| | I want to work with pdf files (open, search some string of chars, close). I found just [URL="http://wxcode.sourceforge.net/docs/wxpdfdoc/index.html"]this[/URL] and I want to ask you who "know how" to implement it to wxDev cpp (something as a downloand is not available, just pieces of source code). Thanks for answers! |
 | Hi guys, here i have a problem, that i have been trying to rectify for past 1 and half hour. Here in the code, as you can see, When the user Press Y, He get the chance to input the exponent value. There i have added another nested if, so …  |
| | I am new to structs and I am trying to sort an array of structs but I can't seem to get it to work, I can't figure out what I am doing wrong and any assistance would be very much appreciated! [CODE]#include <iostream> #include <fstream> #include <iomanip> using namespace std; … |
| | C++ Syntax (Toggle Plain Text) Hi, from the previous link : [url]http://www.daniweb.com/software-development/cpp/threads/365264[/url] How to do i sort by using X or Y for the coordinates of Line2D and Line3D since Line2D, Line3D contains 2 pairs of coordinates. example. Line3D, [7, 12, 3], [-9, 13, 68] Line2D, [5, 7], [3, 8] … |
| | Hello! I wanna ask you guys for help with this program. Here is my problem explanation: I want that user gives an input in the beginning of the program how big should tictactoe board would be. For example: input: 4 so board would be 4x4. Code of the current problem … |
| | Okay, So I have this program that spits out the sum and average of a list of numbers that the user inputs. When ever I run it, though, it gives me crazy numbers. For example, when I put the values 1, 2 and 3, it gives me 3.957e+10 as the … |
| | Searching a circular linked list: Give a procedure in C, say ‘searchcircular (list,x) where the search stops when every element in the list has already been visited and the next node pointer points again to the first node that was earlier visited.  |
| | [CODE] // Node .h #ifndef NODE_H_INCLUDED #define NODE_H_INCLUDED # include <iostream> using namespace std ; class Node { private: int object ; Node *nextNode ; public: Node() ; void setObject(int x) ; void setNext(Node *next) ; int getObject() ; Node *getNext() ; } ; #endif // NODE_H_INCLUDED //----------------------------------------------------- // Node.cpp … |
| | i am having problem in type casting,the result of the following code is giving -64, however it should be 192, why this is so? [CODE] #include <iostream> using namespace std; int main() { int a; a=char (192); cout<<a; return 0; } [/CODE] |
| | Hi, I am a student doing my Final Term Project. I am suppose to create a GUI using C# that can control and interact with a Robot call Robonova-1. The robot will be connected to the PC via Bluetooth. I was thinking to have a connection button in my GUI …  |
| | Ummm hi, Ive been having some problems with a program ive been working on. I want to insert a new value in a column in a table from a calculation i get and replace the original value. Heres the part of the code: private void button11_Click(object sender, EventArgs e) { …  |
| | hey! so i have to write a code that generates a number from 25-100 (x) and this will be the index of my array. i then need to x numbers from 1-1000 and store them as the element of my array. that is the first function. in the second function … |
| | so i have this program written and i am getting a seg fault and the stack said in operator<<. I have no idea how to fix this...It is due in thirty minutes if someone can please help me asap. Here is where i think the problem lies: [CODE]#include <iostream> #include … |
| | hello, i want an algorithm coding the algorithm is [ADD A NODE IN DOUBLE LINK LIST] the algorithm is follow. instwl( info,forw,back,start,avail,locA,locB,item) 1- if avail=NULL then write overflow and exit. 2- [remove node from avail list and copy new data into node] set new=avail avail=forw[avail] info[new]=item 3- [insert node into … |
| | Hi I need to input data into the keyboard buffer; so that the input data will be written to the application which currently has the keyboard focus. I have written the following code to input the unicode characters into the key board buffer but the output is not the desired … |
| | In the User defined function sum(), i am getting the Lvalue required error, can you please tell me why? [CODE]#include<iostream.h> #include<conio.h> #include<math.h> int num,digit,sum1,p; int sqlarge(int &a, int &b, int t=0) { if(a>b) { t=a; a=pow(t,2); return a; } if(a<b) { t=b; b=pow(t,2); return b; } else {cout<<"Both values can … |
| | I need help so that this program decrypts. Can someone take a look and run it I have the following errors. 1>------ Build started: Project: Decryption, Configuration: Debug Win32 ------ 1>Compiling... 1>Decryption.cpp 1>e:\prog100\simplycpp\tutorial11\exercises\decryption\decryption\decryption\decryption.cpp(18) : error C2059: syntax error : '}' 1>e:\prog100\simplycpp\tutorial11\exercises\decryption\decryption\decryption\decryption.cpp(31) : error C2679: binary '=' : no operator found …  |
 | what's wrong with it compiler shows: [B]cor.cpp:6:10: error: cannot convert ‘int (*)[10]’ to ‘int**’ in initialization[/B] is it like b is a pointer that is an array of 10 1d arrays i.e, rows. but what shall we write at line 6 to get rid of it. [CODE]#include <iostream> using namespace … |
| | Hey Guys, I found an interesting website that has a tutorial for Genetic Algorithm. Here is the article: [url]http://www.realintelligence.net/tut_genetic[/url] This is the code of its author. I can combine, but there are an errors that I can't fix it. Anyone could help me to fix this. Here is the code … |
| | I need to be able to call some very old C functions from a form application. What I found on line was to use 'extern "C"' to let Visual Studio know how to handle the calling parameters. But I'm getting a compiler error and not sure where it is coming … |
| | Hey all. I'm trying to get the FindDaysOver function to grab the avg result from the CalcAvg function result in main. What am I doing wrong? Any help would be appreciated! [CODE] #include<iostream> #include <iomanip> using namespace std; double FindMax(double [], int); double FindMin(double [], int); double CalcAvg(double [], int); … |
 | Hi, I wondered if it was possible to declare the friends of class but out of it? Like this: You have created class: [CODE]class myclass{ int x; public: bla bla bla };[/CODE] And instead of this: [CODE]class myclass{ int x; public: bla bla bla friend class someclass; };[/CODE] If it … |
| | Hallo! I got the following Decimal IP: "3232235876" it represents "192.168.1.100" I got it in the following way: Code: [CODE] //GET IP if (gethostname(hostname, sizeof(hostname)) == SOCKET_ERROR) { printf("%s","host not found"); } struct hostent *phe = gethostbyname(hostname); memcpy(&addr, phe->h_addr_list[0], sizeof(struct in_addr)); //Convert IP to Decimal notation sprintf(decResult,"%u", addr); sprintf(decResult,"%u", htonl(atoi(decResult)));[/CODE] …  |
| | I just recently started learning C++, in the book i am learning from there is a problem that asks you to write a simple pasword program. It just asks the user the password and then displays a message wether its right or wrong after they enter it. I am having … |
| | I've been playing around with this for a while and just can't seem to get it right. Any help is appreciated! [CODE]string catalog[][] = { {"item1 - 0 dollar(s) each","description1"}, {"item2 - 3 dollar(s) each","description2"}, {"item3 - 5 dollar(s) each","description3"}, {"item4 - 7 dollar(s) each","description4"}, {"item5 - 9 dollar(s) each","description5"} … |
| | Hi I have to create a hash map with key as string and data as string. i have to create a custom hash function for the hash map, but i don't know how to do that.. can somebody explain and give an example from which i could understand? |
| | Hi, This is my first project involving processes I am completely lost. I need to create 10 processes that run at the same time. I know that a process is a program in execution so I must write a program that executes 10 times. I used Win32 API to create … |
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