49,755 Topics
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| | hi everyone, I'm working on a project for one of my classes that parses a given grammar. I'm pretty sure I have coded it correctly but I keep getting the following list of linker errors: [Linker error] undefined reference to `assign(char)' [Linker error] undefined reference to `integer(char)' [Linker error] undefined … |
| | When I declare a new Hashtable such as: String a = null; HashTable<string> = new HashTable(a, 100); It tells me HashTable is not a type. [CODE]#ifndef HASHTABLE_H #define HASHTABLE_H #include <iostream> #include <vector> #include <list> using namespace std; template <typename HashedObj> class HashTable { public: explicit HashTable( const HashedObj & … |
 | can someone help me out with this: i've got a little snippet that supposedly should use vectors to read values from user, then display the data in assending and descending order in which they were entered, thereafter it should display the even and odd numbers among the date entered. i've … |
| | I use MySQL and Turbo C++. I can connect correctly to the server but when I try requests on the server (like INSERT INTO or DROP TABLE), it does not work although it returns that the command executed correctly. Does anyone have an idea why this may happen ? |
| | Hello again everyone! Today I has a little bit complicated thing to do. I am trying to make a program which install few other programs. I have already composed 2 Window Forms Applications (see picture links below) Step 2: [url]http://www.daniweb.com/forums/attachment.php?attachmentid=12171&stc=1&d=1255853689[/url] Step 3: [url]http://www.daniweb.com/forums/attachment.php?attachmentid=12172&stc=1&d=1255853717[/url] As you can see on picture of … |
| | hi guys again! i want to read a bitmap in this way: please help me!! how can i read the pixels of a bitmap?? #include <iostream> #include <fstream> #include <conio.h> using namespace std; struct bitmap{ int pixel; int black; int white; }; int main(){ bitmap b[400]; ifstream a("a.bmp",ios::binary); int i=0; … |
| | Ok, so I'm working on my school project and I have a class that stores the Customers information, in the main file it then asks for the customers ID number and then checks to see if the value is true or false from the criteria entered. However, it is just … |
| | Heres an AVL TREE.... and my problem is.... help me include a function that delete nodes....... [CODE] # include<malloc.h> #include<stdio.h> # include<iostream.h> #include<stdlib.h> #include<conio.h> # define F 0 # define T 1 struct NODE { int Info; int Flag; struct NODE *Left_Child; struct NODE *Right_Child; }; struct NODE *Binary_Tree (int … |
| | [CODE]#include<iostream.h> #include<conio.h> void main() { clrscr(); long j,x; long k=1; long y=0; cin>>x; for(;k!=x+1;) { for(;k%5==0;) y++; k++; } cout<<y; getch(); } [/CODE] in above code i am trying to find the total no of zeroes at the and of factorial of no..........in doing this i am finding out total … |
| | How to write a programmes to determine the inverse of a given matrix? |
| | [B]Hey guys, if someone can help me on this one, I'd be thankful. The thing is that this is a sample work. I gotta do the same thing but with 4 variables, organize them according to the correct order, from lowest to greatest or viceversa, it doesn't matter. And I … |
| | Now I use a C++ code where I save a color like this: [code] public: System::Drawing::Color ColorSaved1; ColorSaved1 = textBox1->BackColor; [/code] I wonder how I can convert this to C# ?  |
| | Design a class hierarchy for the players in which you are required to find out the best player in each category according to their performance in a tournament  |
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| | In this lab we look at molecular formulae written out as follows: H |
| | this program imitates the capabilities and function of a 4GB(4096mb) flash disk. It must contain the ff.functions and declerations. void Format(void); int Copy(int size); int Delete(int size); int freeMem = 4096; *freeMem - holds the remaining space of the flash disk,initialize to 4096. Format() - erase all contents of the … |
| | [B][/B]I have a native code that I am trying to convert to managed code. I have a vector where I use a comparer to sort it in this code: [code] struct Sorting1 { bool operator () ( const std::string& a, const std::string& b ) { std::stringstream as( a ); std::stringstream … |
| | My compiler is throwing me this error when I try to make a new one. I am trying to make it with this [CODE]string a = "five"; HashTable<string> *hashy = new HashTable<string>(a,100);[/CODE] This is the compiler error (.text+0x1d3): undefined reference to `HashTable<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >::HashTable(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, … |
| | hi guys! i want to read a black & white bitmap with c++ and show it as 0 & 1 in console! do you know how can i do that? bye the way i want to build a simulated robot that follow a black line that had been drawn in … |
| | how to create a program in c++ to calculte body mass index of a person? |
| | Q#1: Write a program that recognized whether input character is an uppercase, a digit and special character. Q#2: Write a program that takes an integer number up till 5 digits and then calculate the sum of integer numbers. For example: 1234, its output will be: 10. Q#3: Write a program … |
| | [QUOTE]Been all through books and tutorials trying to learn how to code the while loop, char, switch and bool. in one program Loop is stuck. If wrong letter is entered, should ask user to reprompt, otherwise the function returns the number, but will not leave the loop. The problem may …  |
| | I am new to programming in DEV-C++ so I ran in to a few problems with my code, I am trying to create a number guessing game if you run my code its working well but I also need to have an option of "PLAY AGAIN" at the end which … |
| | I need some help, fairly new to C++ and I know a little about C. What i am trying to do is get a txt file that looks like this 4 //first number tells how many rows are coming next. 3 54 2 51 9 32 2 34 what i …  |
 | You see, I am writing a program that uses strings for input to determine things, and I don't want it to be case sensitive. So, I know you can go through a string and go char by char to store each char, [inlinecode]tolower()[/inlinecode]'d into another string while in a for … |
| | I need help with IT210 week 7 programming problems 1 and 2 pseudocode can any one give some advice? |
| | Anyone know a decent one for Mac? I use Dev cpp atm at college but I'm a mac user at home and have no way of compiling the my projects. Any suggestions would be grateful, thanks |
| | Hello, I am required to make an online airline reservation system using C++. What information do I need before starting with the project in terms of what I want to accomplish . |
 | I got the following code out of Carrano's Walls & Mirrors. I made a few changes but have tested it and it works. I'm really confused by line 19 in the .h file. Why is it structured like "void (*FunctionType)"? Why not (void*) FunctionType? or void* FunctionType? What is the … |
| | In C++ we can define functions and their arguments can be not just variables, but functions also, for example: double Integral(double func(const double),const double a, const double b){...}; (without using any pointer) But can a function return with a function? like a differential operator? |
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