51,593 Topics
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| | Hello.. I have created a file using Core WIN32 & code is like this : HANDLE hFile = CreateFile("E:\\FileName123.txt", GENERIC_READ,0,0,OPEN_ALWAYS, FILE_ATTRIBUTE_READONLY, 0); This will create a file with name FileName123 in E:Drive. My question is: When it will create the file in E:Drive, it must become Copy Protect. That is., … |
| | Hello All, I am trying to read a short inventory list from a .txt file into a class of objects. To be plain and simple, I have no idea how to get the details in the file into objects to I can prompt for the pluCode and quantity to use …  |
 | Problem: "Error highlighting on the go" not working (Syntax, Semantic & Type errors). IDE: Microsoft VC++ 2010 Express Edition + MSQL Basic. So far: Googled & Went through options in Options>>Text Editor>>C/C++>>Advanced. So please help me.... How can i turn it back on???  |
| | i'm writing a program in c++ using linux and i face the following issue: i want to tell the difference between a hard link and a file,given a path. To be more specific, i consider that it is the file itself when there's only one hard link pointing to the … |
| | [ICODE]#include <iostream> using namespace std; void GetRoomTiles(int WidthFeet, int WidthInches, int &TotalWidth, int LengthFeet, int LengthInches, int &TotalLength, int TileSize, int &RoomTiles); void GetTotalTiles(int RoomTiles, int &TotalTiles); void GetNumberOfBoxes(int TotalTiles, int TileBoxes, int &ExtraTiles, int &NumberOfBoxes); int main() { int NumberOfRooms; int TileSize; int WidthFeet, WidthInches, TotalWidth; int LengthFeet, LengthInches, … |
| | I am trying to building this program to run 10 times and then calculate at the end with needHelp if 75% or more was correct or incorrect. For each random number multiplication question correct and incorrect messages come up. I have been working on this for 3 days and it … |
 | [code=c] #include <iostream> #include <sstream> using namespace std; int main(void) { string str; int i; cout << "Enter an integer: "; getline(cin, str); while(true) { stringstream ss(str); if (ss >> i) { break; } else { cout << "\nPlease enter a valid number: "; getline(cin, str); } } cout << …  |
| | Hi guys, I was wondering if this was a good place to use a goto statement? I know this will get stuck in an infinite loop eventually and I am working to fix that right now. However I wanted everyones views on whether or not this is acceptable, the goto …  |
| | [QUOTE] 1. Print the following heading at the top of the output page: Miser Corporation Payroll 2. Read an unknown number of employee data records as shown below. Each group of data will contain an employee's name, hours worked, rate of page and age. A typical group of data will … |
| | Hello. Right now I'm trying to write simple C++ application for internal website testing. I need to send request (ping) to website and do it repeatedly. But I do not know how can I simple ping website without using [ICODE]system("ping xxxxx");[/ICODE] My current code: [CODE] #include <iostream> #include <Windows.h> void … |
| | My name is Leonard Norwood Jr. If anyone knows a program that will estimate the number of boxes of tile needed for a job. A job is estimated by taking the dimensions of each room in feet and inches and converting these into a multiple of the tile size (rounding … |
| | hello there, I'm trying to sort a list according to the "length" paramter in ascending order, which represents the third coloumn. List elements are read from a csv file contains 9 coloumns, I only push 6 coloumns in "futurelist" which is the information i'm intersted in. //input csv data [CODE] … |
| | String sQueryShow = "SELECT SUM(pf5_showplaylists.runningtime) FROM pf5_showplaylists WHERE pf5_showplaylists.showID = " + ShowID + ";"; HOW CAN I GET THE RESULT OF THIS SQL STATEMENT INTO A VARIABLE SO COULD DISPLAY THE OUTPUT IN A MESSAGE BOX? (URGENT, REALLY URGENT..) |
| | Hey! So I've been playing around with OpenCl a lot recently and it's pretty impressive. The first thing I wanted to do was to make an mandelbrot set generator, so I did. It works wonderful and I am really amazed by the results, almost a thousand times faster than my … |
 | Ok, I am trying to work through this program and it is stopping at asking me what is my current salary. The problem is this: Starting January 1st, of each year for three years, I will be getting a raise of .05 on my previous years salary. I wasnt a … |
| | Hey guys I'm having an extremely hard time splitting or combining values into binary.. [CODE] #define Chr(n) ((char)(n)) #define Ord(c) ((int)(unsigned char)(c)) int DecToBin(int Num) { int Bin = 0, Pos = 1; while (Num > 0) { Bin += (Num % 2) * Pos; Num /= 2; Pos *= … |
| | Hi all, I am trying to write a C++ program to create a simple text-based interface that should print out the relevant stubs when a certain choice is made. I am however getting linking errors such as-->[Linker error] undefined reference to `Database::AddStudent()' , that i cant seem to fix. Any … |
| | So, just for fun I have been making a small text-based game to test my knowledge of C++ so far. However, I have encountered an odd error where commands will execute once, and then after that return the same output repeatedly. Could anyone analyze this and see what's wrong? Here … |
| | Hello, I am a beginner at programming and I am having some trouble finding the error in my code(pasted below). I am first trying to come up with a (1) function to evaluate integers at a given power.(2) A function to check if an integer is a perfect number. I … |
 | I am running into (pretty serious) valgrind issues as I run my application. As far as I can tell, my BST has some memory loss, to put it rather clinically. I've tried to create the right destructor on my BST<T> class, which contains BSTNode<T> nodes (both are shown below in … |
| | *Pass by value, reference I need to write 4 functions including main to display a report with the size of room in square feet, cost of carpet,cost to install the carpet. I am having trouble with using the last function to compute the costs using data from the other functions … |
| | Hi, I'd like to print a line of 'double' or of 'integer' type according to T typename. I tried to compare T with typeof but to no success. [CODE] template <typename T> void printArray(unsigned int x_sz, unsigned int y_sz, T * arr[], std::string title) { double f; unsigned short int … |
| | Hi, I'm getting pretty frustrated with my code at this point, Im trying to implement a queue class to hold a number of integers... however dev (the compiler im using) keeps spitting out the errors [CODE] [Linker error] undefined reference to `QueueType<int>::QueueType()' [Linker error] undefined reference to `QueueType<int>::~QueueType()' [/CODE] here … |
| | Hello I had a problem about using mathematical formulas. someone showed this this site : [url]http://software-dev.jimdo.com/[/url] I found there the application, but I don't know how to get the unit. did someone already use it?  |
| | Dear All, I have written a code to implement an algorithm for base conversion from decimal to any base between 2 and 36 given in RG Dromey. Below is my code and I have a few questions relating to it: [CODE] #include<stdio.h> #include<stdlib.h> int main() { int newbase,zero=atoi(0),q,ndigit=0,r,ascii,i; char newrep[100]; …  |
| | i want to perform operations on large integers which are of 256 bits i mean i want to handle a hundred digit integer and perform multiplication and division on them is there any good idea to store them and then use them easily  |
| | So, I'm working on making a encrypted in C++, just a basic one. The encrypter needs to have a minimum character limit but it's not working. It's not coming up with any compiler errors, but instead just acting as if the if statement isn't there... [code] #define _WIN32_WINNT 0x0500 #include … |
| | please help meeee write a program for a local bank to manage their accounts. the bank offers two account types,saving and checking,each customer must maintain a minimum balance, if the customer`s balance falls below the minimum ,ther is a service charge 10 aed for saving and 25AED for checking. the … |
| | Hi I have wrote some code but it never seems to reach the for loop and cannot understand why. I want it to check whether or not the word is in the array and if it is it will break out and leave the method else it will add to … |
| | hello there. i've installed mingw compiler and im wondering how i would go about setting up notepad++ to compile my c/c++ code?. How do i do this? -regards. |
| | i create an applicaton in c# now i want to make a 1 clicksetup file that includes windows installer,ms sql server 2005 and ,netframewok. Sql server should be automatically configured to sql server authentication mode with a new user name raj and password 123. Plz help me guys  |
| | It doesn't run! Can you help me please? Devc++ compiles it, and also launch the exe file, but it stops after the second for cycle! Why? :D [CODE]#include <iostream> #include <string> using namespace std; int main() { int N,i,z; cout<<"Digitare il umero di caratteri che contengono il nome "; cin>>N; … |
| | I am receiving the following error messages and I can't figure out why, I'm guessing there's just some syntax rule or something I am just unaware of... there errors are: error LNK2019: unresolved external symbol "void __cdecl validateWidgets(int &)" (?validateWidgets@@YAXAAH@Z) referenced in function "void __cdecl manager(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >)" … |
| | How can I make my DLL constantly check for hotkeys but without affecting other functions in it? If I put a loop, it will not be able to get any other calls to functions.. Do I create a thread and pass my functions to the thread upon attachment? My silly … |
| | I'm trying to convert this (Pascal) to C++.. My attempt is below this.. [CODE] function CompressString(const Str: string): string; var Destlen:longword; begin result := ''; Destlen :=BufferLen; if length(str) < 1 then exit; if compress(BufferString,destlen,PChar(Str),length(str)) = Z_OK then begin setlength(result,Destlen + SizeOf(Integer)); PInteger(@result[1])^ := Length(str); Move(bufferstring[0],result[5],Destlen); end; end; [/CODE] [CODE] … |
| | HEY guys i have a question, i have a program that takes a string and then it gives three levels of encryption 1 to 3. i have no problem with the code as its working. its just when i compile it, if i choose option 1, i need to recompile … |
 | I recently looked at [URL="http://www.songho.ca/opengl/gl_vbo.html"]this[/URL] description of VBOs and a sample implementation of them. When I ran the executable, it was significantly faster with no VBOs than with them. I don't understand why it should be slower with the VBOs than without. Can anybody explain why? |
| | My code is: [CODE] #include <windows.h> #include <iostream> using namespace std; struct ReplacementFlags { public: bool rfReplaceAll, rfIgnoreCase; ReplacementFlags(bool ReplaceAll = false, bool IgnoreCase = false) : rfReplaceAll(ReplaceAll), rfIgnoreCase(IgnoreCase) {} ~ReplacementFlags() {} ReplacementFlags& operator ()(bool ReplaceAll = false, bool IgnoreCase = false) { if((rfReplaceAll != ReplaceAll) && (rfIgnoreCase != IgnoreCase)) … |
| | Hello! Below is a function exhibiting a simple stopwatch mechanism. It stops when the user presses any key and goes back to the main menu. My question is, is there anyway I can pause the time and continue it as desired by the user? I would like to use "P" …  |
| | Example code: [CODE]HWND CreateButton(const HWND hParent,const HINSTANCE hInst,DWORD dwStyle, const RECT& rc,const int id,const ustring& caption) { dwStyle|=WS_CHILD|WS_VISIBLE; return CreateWindowEx(0, _T("button"), caption.c_str(), dwStyle, rc.left, rc.top, rc.right, rc.bottom, hParent, reinterpret_cast<HMENU>(static_cast<INT_PTR>(id)), hInst, 0); }[/CODE] The part I dont get is: [CODE]dwStyle|=WS_CHILD|WS_VISIBLE;[/CODE] So the question would be why do we use '|' and … |
| | hey what's up guys, I'm writing some C++ code used to do math operations on polynomials that are contained in a input file. Right now I'm stuck on the actual streaming in of the files. The .txt input file is in the format as follows 1 1 2 2 3 … |
| | hey guys can u help me to solve this program have to do 4 function , call the following functions by passing the array: (i) A function to input all information. (ii) A function to calculate the average score for each student and the average score for the class. Find … |
| | Hi! I'm writing a program in C++ where the user is asked to enter a list of ten names and cities of residence in the format <firstname> <Surname> <city>. I then have to sort the list by city and then in each city group alphabetically by name, using Bubblesort. I'm … |
| | Hi, I'm writing a program in C++ to ask the user for a list of ten names and cities of residence in the format <firstname> <Surname> <city>. The amount of spaces between each doesn't matter as I will be using isspace. then i have to sort the list by city … |
| | can you help me with these a little problem of mine.. we are having a pair project where the program is all about enrollment system. in this program, we need to add a record, view, and search records. now. my problem is... i cannot add another record within this code... … |
| | Can you please help me out on my project?, its like a phonebook on cellphone it should be display the ADD CONTACTS, DELETE, EDIT, SAVE, VIEW, SEARCH. I sunno how to edit and delete the contacts can you help me on this.. i came out on this,.. #include<iostream.h> #include<conio.h> void … |
| | #include “iostream.h” #include “stdlib.h” #include “conio.h>” file *fp; int vfprf(char *fmt, …) { va_list argptr; int cnt; va_start(argptr, fmt); cnt = vprintf(fp, fmt, argptr); v_end(agptr); return(cnt); } int main(void) { char *stop = “damn”; float move = 42.6; char *boom = “doomed”; fp = tpfyl(); if (fp == null) { … |
| | Hello all. I am working on a pop3 connection. The problem is that after i have connected , when i try to read the stream, it will work. Although the next time i read from it it will just stop my program execution and hang. Like as it its in … |
| | Hi All, How to configure SFML libraries for graphics program in Eclipse IDE for C/C++ Developers editor..Please give me suggestion to solve problem thanks in advance |
| | I don't know what the "*" or "**"or "***" means. could anyone help me please? [CODE] #include <iostream.h> #include <complex.h> #define PI 3.141592654 extern int phin,Ne; extern double Lamda; extern double ***TS; extern double ***TF; extern complex **d; extern complex *bd;[/CODE]  |
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