49,757 Topics
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| | hello，any greate man can tell me the difference between cxx and cpp,h and hxx? waiting the answer,thanks  |
| | [CODE]#include <iostream> #include <string> #include <time.h> #define newline '\n' using namespace std; char ch; int main() { cout<<"*A Signed on\n*I Signed on\n"; cout<<"\nA:It's you again, isn't it?\n>I:"; string ent1; cin>> ent1; while(ent1 == "yes" || ent1 == "Yes" || ent1 == "YES") { cout<<"A:No...\nA:It's been so long since you last … |
| | Does anyone know what's C++'s SETW() Equivalent in Visual Basic .NET ? SETW: Sets the number of characters to be used as the field width for the next insertion operation. Is there anythign similar in VB.NET. Note: I want to use in a ListBox. I've tried using: [CODE] Dim fmtStr …  |
 | Is it possible to put compile-time conditional code in template functions? Kinda like, [code=cpp] template <class T> void print(T &foo){ cout << foo; #if T == float cout << " is a float." << endl; #endif }[/code] Something like that, I hope I made myself clear. Thanks in Advance, |
| | Greetings! My task is to impement [url=http://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm]Bresenham's line algorithm[/url] by mapping floats to integers, but be able to draw lines of any slope, including horizontal (zero slope) and vertical (infinite slope) lines. (The near-bottom of the page has an integer-only version of this.) My implementation of the linked pseudocode works … |
| | I really need some help!! I do not understand anything! I do not even know how to start!!! Can any1 help plz!!! “Moore’s law describes a trend in the history of computer hardware. The number of transistors that can be inexpensively placed on an integrated circuit is increasing exponentially, doubling …  |
| | Please I'm trying to create a sales management software and am experiencing problems trying to create a table like we have on spreadsheets for enterring sales data.I'm using the Win32 API.Could any one give me an idea on how to implement this ? owobass |
| | I was wondering if this code is correct syntax for function parameters in a class? [CODE] class myclass { private: char mystring[50]; int length(char string[]); public: int yourlen(){ return length(_string, _string); [/CODE] I know later in my code, I would have something like this: [CODE] mystring A; char string[50], string2[50]; …  |
| | Hi everyone. I wrote a Rock Paper Scissors program my first quarter of C++ two years ago, and now I have a job at a programming job. I showed someone my little easy program and they challenged me to make a verson 2.0 with AI and a gui. The Gui … |
| | I have signed up for high school online c++ courses, which has proven to be a mistake, due to my inability to grasp the content. I would like to keep learning, but as the semester draws to an end, I must catch up on my work. This is a project … |
| | hi guys, I am a student that I am learning data structures. My professor asked me for this assignment Write a recursive function that will be able to read and dsiplay the elements of an array and the function should not have more than one loop whether it is one … |
| | hi i'm new for c++, i tried to work with mouse pointer on my run window but i dont know how to make interrupt to do it. thanks |
| | Hello, I want to test several small apps and would like to group them into one Eclipse project. That is, I have several source files each with a main function. Can I configure the builder to compile each of the source files? |
 | [url]http://www.mixsoftware.com/product/cpvideo.htm[/url] Can anyone tell me if this video and course work is helpful at all? Have any of you guys personally purchased this, or do you believe it to be a waste of time? Keep in mind im fairy new to programming. Thanks |
| | Hello everyone. I know this is a C++ forum not MySQL forum but I need help with the C++ library for MySQL I am hoping that there will be people here who are knowledgeable about MySQL++. My problem is that I can't get the g++ compile to link to the … |
| | How to get the invoked command and parameters as one string instead of a list of argv-s (especially gcc under Linux)? |
| | How long did it take you to learn C++ or C or VB. I learning some what C for my Linux class.  |
| | Hi, Trying to play with multithreading by taking some of my existing apps and converting them over. In doing so, I noticed a strange phenomenon that I've been able to reproduce in a very simple program. let's say I create 2 threads. Each thread simply does a for loop from … |
| | #include <iostream> #include<string> using namespace std; class substr { public: void getsubstr(char* b, char* db) { char* stpos = strstr(db,"gi|"); int pos = db-stpos; char* end = strstr(db,"|ref"); int endpos = abs(db-end); b= new char[endpos-pos+2]; int i=pos+3; for(;i<endpos;i++) { *b++=*(db+i); } *(b+i)='\0'; } }; int main() { substr* s; char* … |
| | Hello All, I am trying to compile the C++ program. But I am getting weired compilation error. ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1>------ Build started: Project: HelloPras, Configuration: Debug Win32 ------ 1>Compiling... 1>HelloPras.cpp 1>c:\documents and settings\prash\my documents\visual studio 2008\projects\hellopras\hellopras\hellopras.cpp(15) : error C2819: type 'JavaVM_' does not have an overloaded member 'operator ->' 1> c:\program … |
| | I´ve been messing around with edit controls like mad, but I can´t get it to work. Only Problem, I don´t like the plain white background Windows gives an edit by default, so I´ve created a graphical one. Now I have a main Window containing some child windows, where one of … |
| | Hi, I'm making a program that can send an SMS message to a cell phone using any number that the user chooses. I have been successful sending a message with an SMTP server that says it's from an email address, but I need to make it show up as a … |
| | I need major help on this. I am so lost in C++ and don't understand what is going on. I have the first three done! Please help, I am begging! 1. Draw a UML diagram for the follow class: --Class name is game --Privage integer member called level --Public constructor … |
| | Hey guys & gals, I have a homework problem, and I'm having problems looping the month. I will share the problem, then what I've got so far. Thank you in advance for any advice :) The problem is a typical wolf/rabbit population, but the solution asks for the population every … |
| | Hi, I need to implement a dynamic array of pointers to structures.Here's what I've done [code] struct node{ int freq; node *lptr; node *rptr; }; class M { private: node **A; int length; public: M() { length=10; A=new node*[10]; } M(int a) { length=a; A=new node*[a]; } [/code] Firstly, am … |
| | CIS350 Project Choose one O(n log n) and one O(n2) sorting algorithm. Choose a third algorithm of any time complexity. For each of the three algorithms you have chosen, implement the algorithm. Then, write a short piece of code that will generate the following: 1. A file of 1000 random …  |
| | Here's my problem. I'm writing a program that has the user input a string. That string is then compared to the values in a string array within a class. Here's a sample of what I'm trying to do (sorry about the spacing. I use tabs, not spaces): This is my … |
| | Hi I have created a small program which just adds two char* with the help of overloaded + operator, but getting problem with destructor. [CODE] #include<iostream> #include<string.h> using namespace std; class base { private: char* name; public: base(); ~base(); void display(void); base(const char*); base(const base&); base operator+(base foo); }; base::base() … |
| | Hi all. I've written a bit of code to open a file and read from it. The simple version works: [code=cplusplus] ifstream conFile("code/constants.h", ios::in); while (getline(conFile, line)) { //etc. Process file.......... [/code] However, I really want the program to look for the file constants.h in the current directory and if … |
 | I have wrote a simple program in c++ that will constantly read a record from a database. Once there is a change in a field the program will open a executable file. An instance of this program or a copy of this program has to run in [B]at least[/B] 80 … |
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