51,593 Topics
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| | Is it possible to print---- hello world on the screen without using semicolon( ; ) anywhere in the code...i was able to do it through MACROS..but is there anyother way??  |
 | In managed C++ if I have a function only concatenating a string, is it necessary to add the S in front of the "Some string" for it to be managed? (S"Some string") The string doesn't exist outside the function so will the string be managed properly without the S? |
| | How do you, as programmers react when Microsoft is making big demonstrations of his next big Operating System " Windows Vista" and is asking you all to come and develop for his platform. I mean take a look at the videos here: [url]http://www.winsupersite.com/reviews/pdc2005.asp[/url] and tell me how you feel. Me … |
| | Hello, noob here. I just started taking a C++ class this semester and I've been understanding everything so far, but I'm sorta confused on the nested if statements. My homework is to have the user enter a number and it'll show the roman numeral. However whenever someone enters an invalid … |
| | hey all, I just joined this community. I have been programming quite a bit in C/C++, however, this is the first time i am doing something like this. I have the Microsoft VC++ 6 package. The idea is to use the functions i have already written in the past( a … |
| | hye... can anybody help me to make a program that will allow the user to make a list of the words that occur in the text along with a count for each word of how many times it occurs....tq.. |
| | I am having a problem getting started on an assignment. I have to write a program for a mortgage calculator with a set dollar amount and a set APR. The instructor mentioned using pseudocode. Could someone please point me in the right direction. Thanks Very Confused |
| | Not a problem as such but am i asking too much....heres the current situation: I've got a multi -dimension array populated........ [php] char buffer[5]; // holds name char holdingArray[5][5] = //holds populating array , copies to buffer { "Jame", "Anna", "heya", "rand" }; [/php] ok as you can see the … |
| | I am receiving error messages for this palindrome problem. I am reading in a file and outputting the results if it is a palindrome or not using stacks. Any ideas as to why I am receiving error messages below. [code] include <iostream> #include <string> #include <cmath> #include <iomanip> #include <fstream> … |
| | I need to make a project in C++(not very big) in my college....can you suggest me some good ideas.... I was thinking of implementing 10-15 algorithms with their complete complexity description can u give me some other ideas |
| | In the function declarations, the argument identifiers are optional. In the definitions, they are required (the identifiers are required only in C, not C++). #include<iostream.h> void f(int); int main() { f(10); return 0; } void f(int) { } This works fine..where is 10 going??..how the compiler handles this?? |
| | I have a vector of objects of the Virus class. This vector is called 'Viruses.' I have a deque of objects of the Host class. Each Host class object has a deque of pointers to Virus objects, i.e., deque< Virus * > currentInfections Each Host object is randomly infected with … |
| | [B]1. User will enter the ISBN, The system will trace the title and price of the book automatically. The system should check whether the book is in the stock or not. If it is not, please let the user to enter again. 2. Allow a customer to buy more than … |
| | I'm kinda new to c++ and can only do very simple applications. Could someone explain why this code works: [code] #include <iostream> using namespace std; int main() { bool inword = 0; unsigned int numwords = 0; char *str = "this is a test string for my project"; char letter; … |
| | What is wrong with this: [code] for(int b = 0;b < c.length();b++) { temp[b] << S.Pop(); // or temp[b] = S.Pop(); } [/code] to have a string made up of the contents of the stack? When I do this and cout << temp, temp is blank. This iterates through the … |
 | im about to sign up for some college classes.. one is either going to be java or c++ for beginner. I dont know anything about these languages. Can you guys help me choose? |
| | What is happening here? [code] void palindromemgr(ifstream& in, ofstream& out, Stack& S) { string c; //candidate while (true) { cout << "entering first loop" << endl; //debugging line if (in.eof()) break; in >> c; cout << "this is the value in c :" << c << endl; //debugging line for … |
| | Hi all! I have a notebook (w/ win2000), my brother has a PC (w/ win xp). The two comp's are connected to the Net (cable modem connection) via a broadband router. The problem is the following: my brother uses DC++ quite often but this is only possible if his PC … |
| | Why doesn't this compile? I am trying to use multimap and am unsuccessful. [code] #include <iostream> #include <map> #include <algorithm> using namespace std; int main() { multimap<string,long> test; string a="BLAH"; long b=8; pair<string,long> c( a, b ); test.insert( c ); return 0; } CC Test.cpp -o Test "Test.cpp", line 11: … |
| | Hey guys its me again! I'm stuck on a logic thing of where to put some code. Basically I want to take an input from the keyboard and store that into an array using a class whilst combining it with the other stuff that the class does. [code] void hangman::getletter(char … |
| | Hello, I've been trying to write a program for a class I'm taking, and have gotten stuck on part of the assignment. The program is to: >9> Create a template for a safe array. The user will be able to designate the element type and the size of the array. … |
| | Hello ladies and gents, I'm reading about the algorithm partial_sum and there are two different versions of this. The first one just calculates cumulative numbers like this: [code] #include <iostream> #include <numeric> #include <vector> using namespace std; int main() { int a[4] = {10, 20, 30, 40}, b[4]; partial_sum(a, a+4, … |
| | I'm writing this program for a class and when I tried to compile it I get an error can anyone help me out I can't see to find the problem. Here is The program with the error: [color=blue]1: #include <iostream> 2: using namespace std; 3: 4: 5: 6: int main() … |
| | so basically this is what I am doing: myClass a,b,c; a = myClass( ... ); b = myClass( ... ); c = a+b; this is simple enough, but now I have to overload the operator... [code]myClass myClass::operator+ (myClass f) { myClass temp; temp.value1 = value1*f.value1; temp.value2 = value2*f.value2; temp.value3 = …  |
| | Trying to get this to compile is driving me nuts! Any help is greatly appreciated. I think it's having trouble linking the header to the .cpp files. It's my first program in Dev C++ - I'm used to using Visual Studio. Here's the source for the header header: [code] #include …  |
| | I am new to these internet news groups; but I am excited to learn because you people seam to know your stuff!!! I am fresh out of college; where I studied computer science and did very well. I stumbled upon a small business that does pest control. They hired me … |
| | hi first i apologise if this is not the place to post this thread. :) Is it possible to create a couronne game like the one in minilip : [url]http://www.miniclip.com/couronnedeluxe/index.htm[/url] using c++ or any other programming language as java etc. thanx |
| | I have a legacy dll which is used to convert data from a datalogger to Access, and was developed with Visual C++ under NT. However, it will not work under Win2k or XP - it runs but all the data is set to 0. I have traced the problem to … |
| | Recently I upgraded from a 16-bit (SB Live) to a 24 bit (Audigy LS) soundblaster card. My c++ program played 16 bit wave images in memory without a problem. I'm trying to modify the code to play 24-bit wave images in memory, but I get nothing out of the sound … |
| | Is there a c++ std:: function that will trim trailing spaces from std::string? I know how to do it myself, but I was wondering if anyone knows of something in <altorithms> or elsewhere? Thanks |
| | Hello, I got my array sorted with different words in it [code] #include <iostream> #include <ctime> using namespace std; int main() { cout << "this program will chose a name from a list randomly" << endl; char holdingArray[5][5] = { "John", "Andy", "Matt", "Jane" }; char chosenBuffer[6]; // holds randon …  |
| | Hello I figured out my other problem, now left with another 2. One which I beleive is a logic error since if I enter A it will output AA but I cant seem to solve that one. Also the other is that I'm using app (append). How can I delete … |
| | Im attempting to do bitwise operations on a character string and want to use the bitset template. I am having some trouble, it doesnt seem to like to be constructed using a char* string or std::string... I'm knew to this particular template. Here is what I'm attempting: std::bitset<3000> Line("abcdefghijklmnop..."); anyone … |
| | :) Hi, I'm a newbie here. I just want to know how to change this code so it can count word instead of letter code: [code]#include <iostream> #include <fstream> using namespace std; // count letters 'a' to 'z' in string s void countLetters( string s ) { int pos, sum … |
| | What is a two way templatized linked list in C++? Does it mean using syntax below for classes and member functions definitons? [code] template<typename type_variable> [/code] |
| | I have no idea how to use these two. I tried for 2 hours. And I also read the c++ books, but no luck. Can some body start me out. |
| | Hi there. I am desperately needing a library that can provide me with basic matrix arithmetic. I am using a MFC VC++7.1 project for which I want the matrix functionality. I Need: >> To multiply matrices >> Calculate determinant of a matrix. >> Calculate inverse of a matrix. >> Calculate … |
| | I need to use a class for a program that reads an input file, prints the file, sorts the list then prints the sorted list. This is for a Programming II class. I can see how to print and sort. My issue is the input file and the array. I … |
| | i am into making games and most games have cut scenes. as i am not passed the 2d stage and dont have a clue about 3d animation i was thinkin it would be easier to get a mate to make a flash movie for my game. so can you play/open … |
| | hello everybody I am writing a jni wrapper for c++ api's the c++ dll is on linux, so i get a .so shared library. I am working on windows, using vc++ 6.0. can i include the .so shared library in my workspace in vc++. when i do it i get … |
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| | Hi, Please see the code below. [code]void Allocate( char* s ) { s = (char*)malloc( 100 ); } int main( ) { char* s = NULL; Allocate( s ); strcpy( s,"Test");/*I know that this will fail. b'coz I still have a NULL pointer in s. Initially s was pointing to … |
| | I am back again with a new query...preparing for technical interview questions --------------------------------- Without using sizeof operator,can we find sizeof datatype. |
| | I am trying to write a program that reads in a file of numbers, writes to a file and displays the numbers in correct order. I don't fully understand how to read the file and pass that information into my class declarations in order to output before and after the … |
 | [B][FONT=Arial]err....... is there any command line in Dos to make it full screen, so that i can put it into a system(" ") line in my c++ console program? Thanks in advance.[/FONT][/B] |
| | Hello all, I am ammature rpohrammer althought i started w2ith C from 1996 but got trouble with world. still like C++ and c. I have question right now which programming language is best for low leval programming . i am doing right now c++ have some experinace in c and … |
| | Hi, I'm a college student at UAH that hasn't taken a computer science class in almost 2 years. I need this one to continue on with my major, but I can see that I remember a lot less than I'm suppose to. Basically, I don't understand what he's asking for … |
| | Well, here is the gist of the problem. When I read in a file of integers, if there is a formatting character at the end, the last integer is repeated. For instance, in the code, it is reading i01.dat. If that file reads as follows: 2 3 4 5 with …  |
| | It seems that with vectors you can only delete via iterators. Since I can access and update by index [], shouldn't I be able to delete by index? The reason I ask is that when you delete via the iterators and the value exists multiple times, I believe it deletes … |
| | Me again, this time I really have a problem. I'm trying to add an element before a certain element. Example: List: 1,2,3,4,5 Find: 2 Add: 45 List: 1,45,2,3,4,5 Now the thing is that when I find the number and try to add a new number it adds OK but then … |
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