49,757 Topics
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| | Hi, i need to search for a string in a file. I am trying to use memcmp() but i have never used this before and have no idea how it works. Looking at its description it compares 2 blocks of memory but im not sure this is what i want …  |
 | I have this program. It is an example from a book. I am using Dev-C++ and my program just runs and close and I cannot see results. I have two questions 1 - Is the try/catch block ok, becuase it doesn t seem to work sometimes. 2 - How can …  |
| | hi, i am trying to let the user create a file name and past it to the ofstream writer.open() I am trying to keep asking for char until the user hit the enter key then fileName will be complete even though all the indexes are not filled... and past to … |
| | I saw few similar problems on this forum, but they didn't match exactly what I need. The problem is: given a file with names of cities, their latitudes and longitudes, a program must calculate distance between them. But, it isn't all. A program must create a database of all this …  |
 | I need help with this program im working on where you get input from a file and the program checks if the numbers are in ascending order or not and which one is the smallest and largest number in the series..cant use arrays.. This is a my input.txt right now … |
| | hi all , i want to write a simple programm for cell phone ( Mobile ) programm application , for e.g. i want to unlock or remove password when a user forgot his password for his mobile . for this in visual c++ 2005 , is there help for me … |
| | im looking for a book or two that will teach me MS Visual C++ 2008 Express Edition and a book that will teach me 3D game programming on it aswell.  |
| | I have the following program and it works but when i try to append to the file, it will not do it. Can anyone help, Thank you GCard [code=cplusplus] #include <fstream> #include <iostream> using namespace std; int main() { char buffer[256]; // open it for output then write to it …  |
| | Hello everyone, I am trying to make a program which takes two integer parameters (HeightinInches,HeightinFeet) i.e. (7,30) and then displays the output by converting it into feet and inches. I am using three operators i.e. +,++, a constant integer number=27. After compilation I got following major errors in which I … |
| | Can i create an application that uses WMI to find hardware information using Visual C++ 6 ?? If yes, then does anyone have sample code?? if yes then do help me out... |
| | Hei guys, I have a c++ library of sorts. A user has written a Java Applet and wants to be able to call the C++ library functions. This is something my supervisor proposed. He suggested that Applet via a web service call (AXIS-C++) and using tomcat server , will call … |
| | hi i have a matrices Question should be programmed using C++ so the program is ... you should make the user enter the size of the matrix nxn,,, then he should enter the elements... and then the program should give the user MR infinity....which we use in paths and relations … |
| | Can anyone tell what cause the run time "Debug Assertion Failed!" error message? it has expression: sizeInBytes>count [code=cpp] int main() { int choice; // for menu choice string option; // for repeat going back to menu option Name name[300]; int i=0; // count do{ cout<<"Welcome!"<<endl; cout<<"1.Get the data"<<endl; cout<<"2.See the … |
| | Hi, I was compiling a code and I had this error: fatal error C1900: Il mismatch between 'P1' version '20060201' and 'P2' version '20050411' I 'm using Qt4 which is GUI builder and MSVC2005 Pro on windows xp SP2 I've tried to reinstall all but I still have this error. … |
| | Wanted to know if this is possible and if so what it means. 1 typedef struct tree{ 2. int height; 3. int width; 4. int weight; 5. } banyan; 6. int main(){ 7. banyan* count[2]; // This is the statement I am interested in 8. count[0].height = 100; 9. count[0].width …  |
| | Every time I run this program, I get the number the user inputted printed back on the screen infinite amount of times. According to my CS teacher, he wants us to use basics, no arrays or strings. The user is suppose to type in several numbers followed by -999. Say … |
| | Hi, i have just started learning postfix and prefix notations. i was wondering if there is tutorial or something with regards to it here. i was also wondering if there are conversions from postfix to prefix and vice versa. is it available? |
| | Here is my code of the function in questiion: [CODE]void DrawScene(LPDIRECT3DDEVICE9 p_dx_Device, LPDIRECT3DVERTEXBUFFER9 p_dx_VertexBuffer, LPDIRECT3DINDEXBUFFER9 p_dx_IndexBuffer) { p_dx_Device->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,60), 1.0f, 0); p_dx_Device->BeginScene(); p_dx_Device->SetStreamSource(0, p_dx_VertexBuffer, 0, sizeof(OURCUSTOMVERTEX)); p_dx_Device->SetFVF(D3DFVF_XYZ|D3DFVF_DIFFUSE); p_dx_Device->SetIndices(p_dx_IndexBuffer); D3DXMATRIX m_Rotation; D3DXMatrixRotationZ(&m_Rotation, flt_Angle); D3DXMATRIX m_Translation; D3DXMatrixTranslation(&m_Translation, 32, -32, 0); D3DXMATRIX m_World; D3DXMatrixMultiply(&m_World, &m_Translation, &m_Rotation); p_dx_Device->SetTransform(D3DTS_WORLD, &m_World); p_dx_Device->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, 0, … |
| | Hei guys, I have a c++ library of sorts. A user has written a Java Applet and wants to be able to call the C++ library functions. This is something my supervisor proposed. He suggested that Applet via a web service call (AXIS-C++) and using tomcat server , will call … |
| | I am writing a program that is supposed to generate 10 random numbers all of them with in the range of [-0.5, 0.5] (the data type that is supposed to be produced by the program are 10 random floating point numbers with in the interval [-0.5, 0.5]). But the problem … |
| | My program works properly under windows, however, it seg faults when I try to compile/run it under linux. [code=c++] #include <fstream> #include <iostream> using namespace std; int main() { char command; char infilename[80]; char outfilename[80]; char fileline[80]; char nextline[80]; char temp[80]; char temp2[80]; char * location; char sentence[250]; int loc … |
| | I have an array that has read from file as follows: 1 0 0 2 0 0 3 1 2 4 1 2 5 3 0 For the first two lines ( the ones that end 0 0) I want to enter two additional sets of data, so an additional … |
| | Hello guys! Im new in this forum and I hope to say for a long time since I'm new im programming right now. Anyways, I have a big doubt on one assigment I have. I am not going to ask you to do it for me. What I want to … |
| | I used turbo c++ to make a program.....the program has lots of different menus with big graphical text (used outtextxy())...the problem is when i run the program, after going thorugh a couple of menus, all the big graphical text (GOTHIC_FONT etc...) changes to DEFAULT_FONT ....what could be a possible reason …  |
| | Hi am so stuck with the following question, I have input my code at the bottom and it gets me the following display Data items in original order 2 6 4 8 10 12 89 68 45 37 Data items in ascending order 2 4 6 8 10 12 37 … |
| | Hi I am new here and I got no programming skills at all, but I think this tool is very easy to write. Please do me a favor. This is how the tool works, you open a ini text file. In the ini file there is something called "Weapon" that … |
| | Hey all, I am continuing with my self study and now I have come across classes. I have read about this and read about this but it seems very alien to me.The problem I have selected to do is as follows: Here is a rather simple class definition: [code=c++] class … |
| | It is late here, I am tired. I know this is probably out there somewhere, and that I am not showing effort by not looking for it, but I really am too tired, so tomorrow morning if this is answered (takes you like 2 seconds to answer it) I'll mark … |
| | hi I am trying to write into a file which already has something in it. like for example i have x y z in the file and if i want to put k after x,y and z like x y z k. my code goes this way [code=c++] int main … |
| | i would like to create a program that converts a number system to another i found few ideas on how to do this but lacks explanation so i can't figure out 'how it worked'. found that 'for loop' over the net,did some editing then applied it in a program. here's …  |
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