49,765 Topics
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| | I got a question about c++ strings. Let's say string text = "0R14" and I access each element using text[0],text[1] etc does text[0] return an integer 0? or a character '0'? if it doesn't return an integer, how do I convert individual string element to integer type if I need … |
| | hi... can anyone can tell me the code to animate a trinagle in c language? |
| | Hi All. I have created a message box using Win32 API messageBox() function. Now I want to move a button on that message box a little higher. I'm trying to get that by the following code, but when executing the code only the button is moving, leaving its background in … |
| | First off, you should know I just started learning C++ today. Anyway, whenever I type in my code to Dev_C++ Compiler, and then try to run it, it always says "Source file not completed." Here's my code: [CODE]// operating with variables #include <iostream> using namespace std; int main () { … |
 | Hello, This is not a c++ question per se, but I do not see a better forum to ask it. I have a binary executable (compiled with Visual Studio C++ 2005) and the source code for this file. I need to change a constant, but for various reason I do …  |
| | #include <stack> #include <queue> #include <iostream> #include <fstream> using namespace std; char num[10] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9'}; char ope[4] = {'+', '-', '*', '/'}; bool isope(char); bool isnum(char); int prio(char); queue<char> ReversePolish(); void write(queue<char> ch); void main() { queue<char> q; q = ReversePolish(); … |
| | This next practice problem has me implementing functions into code I completed before calculating data about students. I'm getting an error message, and am looking for where my problem(s) are. Objectives of this problem: -Collect data from user: major, last name, credits completed, gpa, tuition paid. -Call a function to …  |
| | Don't think you can pass any parameter unless you create a point in your main. [CODE] template<class T> void my_list<T>::show_sllist(my_node<T>* p) { if(p!=0) { cout<<p->data; show_sllist(p->next); } } [/CODE] Would i have to create a pointer of type my_node in main to show the list. [CODE] #include <iostream> using namespace … |
| | I am using C++. I use mkdir("C:/test") to create a directory to store my files. I want to hidden the folder that i created. Don't want to let anyone know about this directory/folder at all. Can someone help me out? Thanks alot. |
| | Hi guys, im new in C++ programming and hope anyone could guide me to understand C++ and be able to code my assignment out :) what the program does: 1. user inputs text file name, 2. user inputs key word 3. program goes about replacing character/strings in the text file … |
| | I got stuck in this program and dont know how to start to phase 2, i finish phase 1 quite good bt i dont understand connection phase 1 and phase 2. so i hope some one can help me pls, thank you very much..... phase 2:Expand Phase 1 to translate … |
| | hi i'm new in program i want to write code in c .. and i'll convert it to c++ but i've problem this is the code [CODE] #include<stdio.h> #include<conio.h> typedef struct std { int id; char name [10]; char status; }STD; void main() { STD m; printf("Enter id : "); … |
| | we try to develop an interactive program for student to learn c programming.this program requires the following details. (1)-user information such as name and metric number (2)-exercises from functions,arrays,string,structure create minimum 10 objective question for (2). your system should show answer chosen by the user and finally the result and … |
| | Hi i am looking for a good C compiler for windows vista. I found Visual Studio C++ 2008 express edition, will this work if im writing in c? |
| | problem is that it prints out backwards, can't figure out a way to flip it. prolbem is with numbers[siz-1] which begins at last index not first. [CODE] template<class T> T my_vector<T>::show_vector(unsigned int siz) { if(siz==1) { cout<<"enter size of array is 1\n"; return numbers[0]; } else { cout<<"enter this statement"<<endl; … |
| | hello everyone, I am trying to read the same file twice,but after the first reading it is not taking the value again. what i need to do is read the file once and count the number of lines in the file, then read it again and do further computations...... but …  |
| | Hi, I have found this code that helps me convert the bearing and distance in to latitude and longitude. Lat/lon given radial and distance A point {lat,lon} is a distance d out on the tc radial from point 1 if: [CODE] lat=asin(sin(lat1)*cos(d)+cos(lat1)*sin(d)*cos(tc)) IF (cos(lat)=0) lon=lon1 // endpoint a pole ELSE … |
| | I have a protocol package that includes a list of .lib and its .h files that i wish to convert to dll to be used in a C++ environment. The .lib and .h files were developed in C. How do i go about it? I'm using VS 2005. Please advise. |
| | Hello I am studying for my exam & I came across this question that is stumping me. [CODE=cplusplus] class X { public: X(); private: int x1, x2; }; class Y : public X { public : Y(); private: int y3; } // the class Y does not end in an … |
| | Hello, I am writing a class that can handle large number of digits. I am trying to overload >> operator so that it can store the user input value and if user entered nondigit then it should print an error message and display the default value of 1 ; overload … |
| | Hello folks I'm trying to do my assignment and I'm really stuck in! I have to classes..Customer and Pensioner (Customer = Super class and Pensioner = Subclass) The Pensioner has a PensionNo extra than Customer class. I have to make a array of Customer class (for 10) and put Customer … |
| | So, I created a program that allows a user to create student, delete student, display all students, search students, and quit. They are labeled 1 - 5, respectively. However, if a user were to enter 1, create the student, be taken back to the main menu and typed in x. … |
 | Hi, I am used to array of hashes in perl. So I was trying to do something like that in c++. Suppose I have created an array and now I want to store multimap in it. How can I do that ? I need to get some clues about this. … |
| | Ok, I wanted to learn C++, so I went and found a tutorial. I started reading it, but now I have so many questions! FYI, I have little to no prior programming experience, so please don't laugh at me. 1) What is a compiler, how do I use it, where … |
| | Hey guys. I'm having trouble getting the largest/smallest value of an element in a set I created from my class. It has to return the largest/smallest element of specific elements that are set to true in my <bool> vector. Example: [code] int set::getLargest() const { if ( !setlist.empty() ) { … |
| | I have a C program using winsock that connect to internet. however, now I am in Http Proxy environment that need to pass through the proxy before I can connect to internet. my program now is not support this. so Http/1.0 bad request is results. How I can support the … |
| | Hi, I have been building objects on the stack using the following constructor: [CODE=c++] classname node(arg1, arg2); [/CODE] Which worked fine. But have now learned it is the heap I need to use. So I need to use the [B]new[/B] command I believe, but my syntax is wrong: [CODE=c++] classname … |
| | I'm trying to show a dialog when I press a button, I have made the dialog but I do not know how to access it from the main form code. For example: You can do: this->label1->text = L"Test."; But is there like a form1->label1->text = L"test"; like in basic? |
| | So i want my program to loop while the user continues to say yes and i figured that my code below would work but for some reason it says that y is an undeclared identifier. [CODE]# include <iostream> # include <fstream> # include <cstdlib> # include <string> # include <cmath> …  |
| | Hello. This problem occured in a program that used dynamic memory, and the arrays were deleted and reallocated several times with varying length. It seemed to me that after deleting the arrays, the pointer is still pointing to some data with the same length. (And of course i didn't want … |
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