49,765 Topics
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| | How to detect USB Drive & its letter by reading register key values in EVC++ 4.0? The location of register of local mount point is: The HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices Thanks  |
| | I know that it is possible to output and get input from the console without using iostream and it's cout and cin using the Windows API. I don't know how to do this because I'm new to c++ but I know it has something to do with kernel32. Can anyone … |
| | I am trying to mimic the behavior of Language Indicator pop-up menus (which pop-up when you do left or right mouse click on the Language Indicator), so the foreground window and focus do not change, and it is still possible to use keyboard to select or cancel menu (arrow keys … |
| | ok so my compiler is doing something weird, for this like of code it is thinking the \d is a command like \n but that is a cstring, and it uses each char to decode a message to Attack at dawn!, but comes out missing the c, any hits or …  |
| | I have been working on this assignment for a while. I have read a couple other threads in this site regarding similar solutions but I feel mine might be a little more unique. This tic-tac-toe board is user entered, simply setup as 9 characters in 3x3 format. Input should look … |
| | 1.I'm trying to write an MFC program in EVC++ 4.0 on window CE 5.0 that lists the disk drives on the system (C:, D:, and so on). I also need to know if the drive is a hard disk or a USB. Is there a class to get this information? … |
| | Hi, I would have replied in the last thread instead of creating a new one again but I have a dial up connection and dad doesn't like me tying up the phone lines at this time in the year. In the last thread I asked how to find the cubed … |
| | I'm sorry if this is the wrong place to ask, but I figure since it's a [I]C++[/I] IDE it's probably qualified... How do I compile my program without all the extra debugging stuff in Dev-C++? I looked through it but I can't find any way to do this... I know …  |
 | I have the eclipse for Java developers, and I have the MinGW that's distributed with Dev-C++. I just want to know what downloads need to get from the update manager of eclipse, I also don't know how i set it up to use the compiler that came with Dev-C++. I … |
| | I'm trying to read a Unicode file using std::wifstream. On wintel. [code=c++] #include <iostream> #include <fstream> #include <string> using namespace std; int main() { wifstream File("input.txt"); wstring Line; while(!File.eof() ) { getline(File, Line); wcout << Line << endl; } system("pause"); return 0; } [/code] And this is my output [code] … |
| | [code] #include <iostream> using namespace std; void round(); int main() { void round(); { double input; double output; double first; double second; double third; double decimal_fix; cout << "Please enter the Number and the Places to round off" << endl; cin >> input; cout << "DEcimal places to fix" <<endl; …  |
| | Let Wallet be a class that represents the amount of coins and bills in a purse. The class has got a data element amount of type long. The binary operator += shall be overloaded as an inline method. Identify the error in the following definition. Wallet& operator+=(Wallet& w) { // …  |
| | Hello all. I need some help on some code... function definition double Magnitude () const; function implementation double Vector::Magnitude () const {return sqrt(X*X + Y*Y + Z*Z);} Test cout<<"test 4 \n"; cout<<"VectorA ^ VectorB = " (VectorA^VectorB)<<" = "<<(VectorA^VectorB).Magnitude()<<endl; I get c2064 on the portion of code highlighted in red. … |
| | Hi, im working on a small console app that among other things calculates the mean value of all rows and columns of a matrix. I want to incorporate the mean symbol (x with an over score) into the out put but the symbol isn't included in the ASCII chart, any … |
| | Hello everyone, I have a ray-tracing code and I can successfully generate images taken from different view points. My generated image has 802x802 resolution. I am applying the same procedures for every different point of view. However, my generated .bmp files always have different file size. I wonder why? They …  |
| | Let class Customer { private: long id; string name; public: ... }; be part of a class definition. What is wrong with the following constructors ? Customer () { id(0); name(''X''); } Customer () ( long n, const string& s) : id(s), name(n) { } Does anyone know this? |
| | hi ... An error: There is missing ; before * .. What does that mean .. Plz help me the project on the attachment  |
| | Hi guys. I was wondering if you could help me with this code. I am trying to open a file and read character by character. The program compiles but when I run it it aborts with an access violation while reading from the file. I made the program output the … |
| | Does anyone now answer to this: Suppose class X includes a data elements common declared as public. How can it be accessed by all functions in the same name space ? |
| | I have been having a serious problem relating to memory allocation and arrays/vectors in C++ using the G++ compilier on both a windows machine(Dev-C++) and linux(debian). I would post all the code, but it is proprietary technology(I'm a Graduate Student) and therefore I can't share it openly without permission. That … |
| | Please can anyone tell me in few words What is wrong with the following class definition? whait's missing, etc. [code] Class Numeric { private: long x; public ... void set (long n) const { x = n; } long get () { return x; } const } [/code]  |
 | For instance... I have the class Deck, which represents a deck of cards, and I want another class, derived from that, called cards, I want class Deck to have a class array called Cards[52], so I can assign all the different values and strings to the individual Cards class instances … |
 | I am using Microsoft Visual C++ to write a program, i am trying to As records secretary for Cougar High School, you have been asked by the principal to prepare a report on the grades of some of the school's top athletes. Specifically, you must print each of the athlete's …  |
| | hi can anyone pls suggest me website through which i can safely download a c++ software? |
| | hello there! i badly need help on this. how do i implement a power function that: a. does not use the cmath library b. does not use repetitive multiplication c. USES repetitive Addition thanks in advance! :S  |
| | Could someone help me with this? This is the warning message [url]http://s5.tinypic.com/28ilonq.jpg[/url] Variables [url]http://s5.tinypic.com/n1a5fk.jpg[/url] I know it should be an integer for the total_gal_paint, but it keeps giving me that message |
| | Hello there, I made this code for an ISBN verifier but there's a problem with it [CODE=C++] #include <iostream> #include <fstream> // REQUIRED FOR FILE STREAMS #include <cstdlib> // FOR DEFINITION OF EXIT_FAILURE #include <cctype> #include <string> using namespace std; // ASSOCIATE STREAMS WITH EXTERNAL FILE NAMES #define inFile "isbntest.txt" … |
| | [CODE] # Makefile for Nikunj C. Oza's code. # # Definitions of basic variables. CC = g++ LIB = -lm # CPPFLAGS = -O2 CPPFLAGS = -g # File set (only one right now) OBJ1 = bagdtstump.o bagging.o baggingnb.o bagnn.o boostdtstump.o boostdtstumpave.o boostdtstumpave2.o boostdtstumpave3.o boosting.o boostingac.o boostingave.o boostingave2.o boostingave3.o boostdttotal.o … |
| | So, what Im trying to do here is a client server socket program. The client will ask a question to the server. For example, How are you? Then the server opens a text file, compares the string from the client and outputs the answer to the client. My text file … |
| | I have written the program but I do not know if the results are correct. This is my Declaration: length width area and perimeter. My Input is length and width. The calculations are p=2*(l+w) and a=l*w. My Output is P and A. So what i want to know is, are … |
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