49,761 Topics
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| | I am having trouble reading in data from a file. The data file store the information of albums and its respective track info eg 1234 //this is id number Scarlets Walk //album name Tori Amos //artist 24 //price 2 //stock Pop //genre Track A //track name 10 30 //track length … |
 | Hi guys, I've been searching for a C++ compiler for my Xda Exec, running Windows Mobile v5. It looks like CEdit will do the job (unfortunately not free) but then I have to download the compiler from a "third party" I'd be grateful to hear from people who are using …  |
| | Hi happy people I've bin trying to sort items in a list box, the problem is obviously: It doesn't work Please, any modifications to the code below is fully and unconditionally allowed. [code=C++] void __fastcall TForm1::btnSortClick(TObject *Sender) { //sort ascending if (rdAscending->Checked){ bool swopped = true; int iEnd; int arr … |
| | so this is what I have done [code] #include<iostream> #include<string> void menu(); using namespace std; char choice; void digcom (); void matrices (); int main () { menu(); return 0; } void menu() { cout<<"\tMENU" <<endl<<"MATHEMATICS(matrices select A)\n"<<"DIGITAL COMMS select B\n"<<"c TO EXIT"<<endl; cin>>choice; while(choice!='c') { switch(choice) { case ('A') … |
| | hi they is this program that I have created and the problem now is that I need it to be infinate unil he user enters the letter c. I hafe created a while loop then made the variable which stores this choice global after each function has ran i then … |
| | it's the link in the web site [URL="http://www.vietnamfuntravel.com"]example[/URL] has one sub page as : [URL="http://www.vietnamfuntravel.com/hotels.php"]subpage[/URL] .when we click on button book now . how to get the link : [URL="http://www.vietnamfuntravel.com/book_tour.php?tour=49&title=Phan%20Thiet%20%20Mui%20Ne%20(02%20days%20%2001%20night)"]follow[/URL] in to code for new mail ??? |
| | hi there I want to give a for loop in my programm that if any student fails in more than four subject he will not be able to go to the next level. if average is less than 40 then the student will be failed . i tried in many …  |
| | hello coders, I am facing problem to filing my programm. it opens the intended file but problem is it is not saving any datas. I want to see the results in notepad or word. I am using windows vista and my soft is dev C++. I dont want to use … |
| | Good morning, good afternoon and good evenings (to cover almost all posibilities) The error message is as follows in DEV-C++ compiler [QUOTE] Compiler: Default compiler Building Makefile: "I:\cpp\Makefile.win" Executing make... make.exe -f "I:\cpp\Makefile.win" all g++.exe include/Test.o include/Objeto.o include/ConjuntoBase.o include/IteradorBase.o include/ConjVector.o -o "TestEstructurasDiscretas.exe" -L"C:/Dev-Cpp/lib" include/ConjVector.o(.text+0x45):ConjVector.cpp: undefined reference to `vtable for ConjVector' … |
 | I have a very simple class [code] class Point { public: Point(); Point(double x, double y); double x_; double y_; } [/code] the problem is, I can't assign my class to another instance, ie: [code] Point A(2,4); Point B(); B = A; [/code] It says the lvalue must be modifiable. … |
| | Hi everyone, I'm busy working on a word processor in Visual C++ 2008 and I need some help with a Print option, and a Page Setup option. What I'm trying to do is print the contents of a RichTextBox control (txtdisplay), and can't find any way to get it to … |
| | im a highschool student and i really need help bout this.... how can i make a program that will enter my name and display it automatically..... |
| | Suppose we have to write a program where a mark out of 60 is entered and then the corresponding symbol has to be displayed. A message indicating whether the person has passed or not, should also be displayed. We decide to write the program in three steps. You should submit … |
| | Hi, I need to check keys pressed in another process. How can I it reach? I'm writing simple utility for linux/debian, which runs video player in process no.1. On background is another process, which will read pressed keys and will interact with the 1st process. Problem is, that it cant … |
| | i am currently working with VC++ 6.0. i have just begun with it and wrote my first non-MFC code in it..however i have faced a problem in which my program terminates immediately on executing it..and i mean immediately..it doesnt even show the window that i create through that program.. however..later …  |
| | Can anybody help me with this.. we are to make a diamond pattern of asterisk..I had the codes below..My problem is.. we are only allowed to use one asterisk and one space to make the program and inside the diamond pattern we are to put the letters A,B, and C.. … |
| | Hi everyone, I am a complete novice and need to write a pseudo-code for a query (photo.xql): xquery version "1.0"; (: Generate a photo page :) declare namespace request="http://exist-db.org/xquery/request"; declare namespace transform = "http://exist-db.org/xquery/transform"; import module namespace history = "http:// localhost/history" at "history.xqm"; let $id := request : request-parameter ('id', … |
| | I've made a program in c++ (unmanaged) How would I make it into a dll for use in other apps? also, instead of gets, or cin.getline, how do I pass a variable (named COM) from an app to the dll? (BTW: in using Dev-C++ 4.9.9.2) |
| | I am still very new to C++ and I'm a bit :confused: too. I am trying to make a program which takes the ascii string from a text file and converts it into binary. I have been able to come up with this code so far: [ICODE] #include <iostream> #include … |
| | Hi, I'm new to C++ and am hoping to find help with coding a simple C program, am wanting to obtain code and functioning exe's. I code in an old version of Visual Basic 4.0, I have a simple app that is about 3 and a half pages of code … |
| | How do you convert a UTC tm structure to a UTC time_t structure? mktime would work except it converts the time back to local time. Here is what I have so far: [code] time_t t = time(NULL); tm *ptm = gmtime(&t); [/code] Thanks, Justin  |
| | I've got 3 classes 2 subclasses that link to a main class. (electric tools, fuel tools connect to Core tools). What i've done is made a handler class(Hardware) from these classes which has a void display in it. [CODE] vector<Hardware> hardware_stock; Hardware record; record.read(cin); hardware_stock.push_back(record); for(vector<Hardware>::size_type i = 0; i!= … |
| | When compiling a program i get this: Cannot open include file: 'afxwin.h': No such file or directory This is because I dont have an MFC library. This is because microsoft visual studio C++ 2008 express edition does not have an MFC library (need to buy the proffessional edition). Anyone know …  |
| | I'm trying to create a exception handling class for a large-ish project I'm working on which inherits from std::exception. I found this [url=http://www.cplusplus.com/doc/tutorial/exceptions.html]tutorial[/url] at cplusplus.com and followed its basic instructions and used its derived class as a template. Here is my Exception class as it stands right now: [code=C++]#include <exception> … |
| | hye, anybody know how to convert 8bit grayscale image to halftone or dither? Would you share the source code for that? :) |
| | hi all, i am checking the 32 byte directory entry in FAT32 file system and i am getting size of some files as negative...how can a file be of negative size....can any one tell me why it is giving negative file size....? |
| | Hi every one, i got a trouble with opening and reading multi files (200 files) in. These files include 4 columns and 1010 rows. event i have tried many times but it still can not work. if possible, could you please give me some suggestion on my code as the … |
 | I have the following globals defined (the relevant ones, anyway): [CODE] DWORD dwNumMaterials; LPD3DXBUFFER lpMaterials; LPD3DXMESH lpMeshBody; [/CODE] And the call to D3DLoadMeshFromX is here: [CODE] D3DXLoadMeshFromX(L"body.x", D3DXMESH_SYSTEMMEM, lpD3DDevice, NULL, &lpMaterials, NULL, &dwNumMaterials, &lpMeshBody); [/CODE] When this is called, it returns a generic error (0x80004005). Also, if it is needed … |
| | My goal here is to write a small class to keep track of memory I allocate/deallocate so that I can more easily find memory leaks. To do this I overloaded the operators new, new[], delete, and delete[]. In those methods, I allocate/free memory as usual, but also make a call …  |
| | Dear All, I'm writing a code which could read the following file: (input.raw) contained: 11 12 13 21 22 23 31 32 33 While reading this file I want to do the following: -Move cursor to the beginning of that file which is before "11", then start reading -After reading … |
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