49,765 Topics
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| | I like to be able to modify the content of "pBuf" without modifying the content of the file. what would be the options, if that would be possible at all?. pBuf = (LPTSTR) MapViewOfFile(hMapFile, // handle to map object FILE_MAP_ALL_ACCESS, // read/write permission highDWordVal, lowDWordVal, BUF_SIZE1); //BUF_SIZE); |
| | I've been working on this code for the past couple of days, and probably just need a fresh pair of eyes to look at my code. I almost have the triangle with spaces solved, but it looks like this: -----* -----** -----*** -----**** -----***** instead of what i want it …  |
| | friends i am learning visual c++ 6.0.i need to know how to connect the database(oracle).can you tell me how to do??.give me some example.... mfc application connect to oracle database,any example ??? thanking you  |
| | Hi there, I'm making a simple C++ calculator. I want it to work something like this sample run: Begin Calculations 10 S // Set Accumulator to 10 = 10.000000 // Contents of Accumulator 2 / // Divide by 2 = 5.000000 // Contents of Accumulator 55 - // Subtract 55 … |
| | Here's the problem: Write a program that produces a bar chart show the population growth of Prairieville, a small town in the Midwest, at 20-year intervals during the past 100 years. the program should read in the population figures (rounded to the nearest 1000 people) for 1900, 1920, 1940, 1960, …  |
| | Hi, I am required to convert an Array Type DOUBLE to INT, for ease of plotting a graph. Fairly new to programming and unsure how to go about this. Any ideas appreciated  |
| | I've made a simple function that takes a vector as an argument. If the vector is empty, it throws a domain_error (I've included stdexcept). I'm feeding it an empty vector from the main loop just to learn try...catch statements and when it catches the error, it's supposed to print something … |
| | I have a string that has a ton of random characters (pulled from a webpage). I want to pull all of the numbers, commas, hyphens, periods, and percentages from the page and put them into a text file. I'm new to C++ so I'm not sure how I'd go about … |
| | looked everywhere, but all the information i find doesn't explain clearly on how to do this. im not sure how to store char* tokens[...] into an array where i can manipulate them. when i try storing tokens into array by: shapes[n] = tokens[n]; and when i try to print out …  |
 | How do I do 2D opengl? I need to be able to put stuff up on the screen so that it is not rendered in three dimensions, and I need the 3d stuff to still be 3d behind it. |
| | How do I check whether the data members of two objects belonging to the same class are equal? Will the following code do or is it done in some other manner?? [CODE=C++] class Sample { int a; public: S(int x) { a = x; } int getA() { return a; …  |
| | I am just trying to load a data file into an array and display it. I run it and nothing comes up on the screen. Are my arrays set the right way and set to be output the right way. Please let me know what I am missing. int main() … |
| | While Getting the message WM_DEVICECHANGE ( either device arrival/romal (DBT_DEVICEARRIVAL/DBT_DEVICEREMOVEPENDING....), how we may able to get the device name like KingstonDataTraveler_2.01 PDEV_BROADCAST_HANDLE pDBHandle =(PDEV_BROADCAST_HANDLE) lParam; if(pDBHandle->dbch_handle !=INVALID_HANDLE_VALUE) { STORAGE_PROPERTY_QUERY query; DWORD cbBytesReturned = 0; char buffer [10000]; memset ((void *) & query, 0, sizeof (query)); query.PropertyId = StorageDeviceProperty; query.QueryType = … |
| | I have a sample program that shows how to load data into an array but I need to change it to sort movie titles into columns for movie title, length,year, media type from a file named movies.dat It asks first from where to load...then loads in no particular order...then sorts … |
 | Hi, I know of two curl and libtorrent but I was just doing a study on what library/component/whatever you call it, is famous among download managers. I could not get information on FreeDownloadManager, Flashget, Multiget, DownloadThemAll et al. Would you help me find what libraries do these use, especially for … |
| | I require a survey c++ program. The requirements are that it must do the following: It must first the user what they would like to do: 1.Complete the survey and writing it to a file, averaging some results and then quiting 2.Read the survey results from the files (password protected) … |
| | I have to write an application in which a text file is read and stored in a vector of strings [CODE]vector<string> text;[/CODE] After that I have to compare each character of text loaded from a file with an array of char with default content [CODE]char ARRAY[21] = {... ... ...}[/CODE] … |
| | Which is the best book to study more about windows programing(using windows.h heder file in cpp).Please give the details of good text to study the MSDN API s. thank you. |
 | You can access the sound chip to play midi voices using winmm.lib, or in case of Dev C++ the libwinmm.a library. There are 128 midi voices to pick from, anything from the Acoustic Grand Piano = 0 to the Gunshot = 127. |
 | Hi all, I am receiving the keyboard read/Terminate command from the client(PC) to the Board(Windows CE) through Serial Interface. I need to terminate the character reading from Keyboard if i receive Terminate Command. Termination/Continuation is been handled inside a thread. But whenever Terminate Command comes Character reads are continuing till … |
| | Sorry about all the posts; found time and have found time to do programing. Ok I want a usual console application to make a Win GUI window saying thanks at the end of the console app how would I do this eg: [CODE]#include whatever Using namespase std; // what does … |
| | How would I togle casp lock in a c++ program without the key; I want my keybord to look haunted(the casp lock button has a light on it : ) |
| | We just started discussing stacks and queues in my class, and our teacher left us with some questions to answer. I got all of it done except for the last question, which I honestly just can't understand, and am wondering if there is something about stacks that I'm missing. Here …  |
 | I'm trying to develop a pixel shader that allows me to input colors to directx in a 0-255 range for each chanel, and it will convert it to the 0-1 range that pixel shaders need to return, but the input to my pixel shader is sometimes being clamped to 255 … |
| | I've messed with this program for awhile, i can't figure out how to make any of the other triangular shapes beyond the first one i have. Also there's a diamond that i am supposed to make, and a triangle with spaces in the problem. Can anyone help me re-construct my … |
| | Quick question (though I still want to get my long OpenGL question fixed) is there a faster way to Xor the bits of an integer than this: [CODE](MyInt&0x1)^((MyInt&0x2)>>1)^((MyInt&0x4)>>2)//etcetera[/CODE] Just to clarify by faster I mean faster to execute, not to type as this operation will have to be done many …  |
| | need some help with the friend function that overloads the << operator heres my code thus far.... [CODE]#ifndef PRODUCT #define PRODUCT #include <iostream> using namespace std; class CProduct { private: int productID; // 5-digit product ID number int manufactureID; // 4-digit manufacturer's ID double price; // wholesale price double markup; … |
| | heyy all..I am really confused on the MOD (%) operator and how it is processed.. [CODE]int n; cout << "Enter n: "; cin >> n; for (int i=1; i<=n; i=i+1) if ( (i % 2) == 0) //even cout << "-"; else //odd cout << "^"; [/CODE] What exactly is … |
| | Here is my question that I can't manage to google and solve. I wrote a simple C++ program that adds two numbers. However, how do I call an assembly code to do this addition. It will be easier to show what I have so here it is. Here is my … |
| | I herd that some C++ compilers can use asembly languige in there programs along side C++, How would I do This? And is there any way to use a compiler as an assembler? <<two questions.  |
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