49,766 Topics
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| | I am using GetFiles(string,string) to find .txt files in folders. The code that I am using look like this: [Code] folderBrowserDialog1->ShowDialog(); System::String ^ files3 = folderBrowserDialog1->SelectedPath; this->textBox1->Text = Directory.GetFiles(files3,"*.txt"); [/code] The compiler says that "Directory" is a undeclard identifier and left of .GetFiles must have class/struct/union. I am not sure … |
| | alingment : [QUOTE]DOTS REPRESENT SPACES DESIRED OUTPUT Item................................................Price Burger..............................................100 pizza.............................................. ..50 patty................................................ 25 coke.............................................. ..10[/QUOTE] OUTPUT BY PROG. [code=c++] Item Price Burger 100 pizza 50 patty 25 coca-cola 10[/code] DISPLAY CODE [code=c++]for(k=0; k<no; k++) { cout<<endl; for(m=0; arr[k][m]!='\0'; m++) { cout<<arr[k][m]; } cout<<" "<<price[k]; }[/code] Interger array input without asking …  |
| | I am kind of a beginner in C++,started learning the language this year at university. The next day I have an exam.One of the problems that needs to be solved with C++ includes a making a program that by entering a any word(Ex.:"Table")would reverse it,so it would look like :"Elbat". … |
| | Hi, I am programming in VC++/MFC to make applications for Bus, Airline and other ticket booking softwares. In those applications i need to display the available Buses/Flights in as in Web pages. i.e., like tables. A row for a flight like that. Currently I am making such a view by … |
| | I am using the following to convert serial data over a com port into a deque. The problem I am having is that while data is streaming and things get busy the program tends to crash on this. It works fine for awhile, sometimes hours, it is a multithreaded program, … |
| | Hi All, I seem to be getting an error with my code when running Intel C++ compiler via Visual Studio 2005. The error generated is "Expression:map/set iterator not dereferencable" I've given my code below in the hope that someone can spot the problem. [code=C++] set<stl_index>::iterator eit1, eit2=elmt_ids.begin(); bool non_consecutive(false); // … |
| | Hi, this is my requirement : I have a c++ library/API in the server and client computers running Java applets can send data over to the server and server after processing will send the resultant data back. What I have done: Following the excellant tutorial at [url]http://www.linux.com/feature/113947?&depth=5&order=1&sortby=3&render=flat[/url] titled "Creating Web … |
| | Any ideas how this could be converted to a std::string(). So files8 will be converted to a std::string() [code] System::String ^ files8 = folderBrowserDialog1->SelectedPath->ToString(); [/code] |
| | (#143734) 915186754 SendMessage: sender 1, receiver 2, group 1000000000, type 24050, length 384, source 0 (#143781) 915248646 ReceiveMessage: receiver 1, sender 3, group 1000000000, type 24050, length 256, source 0 (#143658) 914941174 Collective: process 1, collective 11, group 1000000000, root 0, sent 0, received 0, duration 242440, source 0 (#143657) … |
| | Hey, I'm working on a Paint program. I've never built a proper program before so I was wondering how I should go about structuring an actual piece of software. I'm trying to a make a simple paint application (like MS paint) using C++ and the SDL library. Right now, I'm … |
 | [B]Moderator Note:[/B] Split from the thread [URL="http://www.daniweb.com/forums/thread67837.html"]C/C++ FAQ's and Practice Problems[/URL] [QUOTE=jetru;328964]projecteuler.net for the math freaks![/QUOTE] for math only ahmmm how about for game freak? do you have any suggestion for that like projecteuler.net |
| | I am trying to take my array of classes and add the values from one part of it together. I have everything ready but being able to add the parts of the array into a variable which I can use. Right now, I am using this to try and add … |
 | How to cal the examid like i want to call 001 and count how many exam 001 clash with 002, 003, 004...? [code] // Filename : ConflictMatrix.cpp #include <iostream> #include <fstream> #include <string> #include <vector> using namespace std; struct student { string studentid; vector <int> examcode; }; int main() { … |
| | Hi, I am using BCB6 and trying to simulate a compass. I have an image that need to rotate (clockwise and/or counter clock-wise, it doesn't matter I think). I am reading the direction data over from other computer and using that data (0 - 360) to move the compass. I … |
| | Help me with the J loop itz suppose to terminate on hitting enter to pass on loop to the outer loop for incrementing row. I tried a[i][j]!=(char)13 but it failed. [code=c++]#include<iostream.h> #include<conio.h> void main() { clrscr(); int no=0,i=0,j,k,m,price[20]; char arr[20][50]; cout<<" ================================================================="<<endl; cout<<" Food on the run Restaurant "<<endl; cout<<" … |
| | How to make c++ fullscreen (sort of) in vista :- [URL="http://img167.imageshack.us/img167/4783/45870184ss2.jpg"]http://img167.imageshack.us/img167/4783/45870184ss2.jpg[/URL] Your screen should look like this :- [URL="http://img518.imageshack.us/img518/6136/sshot3td7.png"]http://img518.imageshack.us/img518/6136/sshot3td7.png[/URL] |
| | I am starting to develop a calculator in C++ which accepts the expression in the form: 2+3 or 2/3 ,etc. ( for the time being, only two operands and one operator) Once i get that done, I will begin the process of continuely expanding it :) The problem I am … |
| | I need help in writing a C++ class definition called SIMPLEST_GRADES which will evaluate the students performance. It will take the three exams of four students and takes its average of those three exams. Can you tell me what I can do to fix this program or do I have …  |
| | i would like to copy the contents of a byte array to a long variable. my code looks like this: [code] long key = 0; for (i = 0; i < 8; i++) { key <<= 8; key |= (long)(buffer[i]); //<- this line causes the problem }[/code] however, when i … |
| | An example of a function definition in C language is given below: char fun (int a, float b, int c) { /* body */ … } Assuming that the only types allowed are char, int, float (no arrays, no pointers, etc.), write a grammar for function headers, i.e., the portion …  |
| | Hi, I want to display all the text exist in this variable [CODE]char hello[]="HELLO WORLD!";[/CODE] I use this function [CODE]void Speech(char *words,int position) { char *textptr; textptr = words; WrCmd2Lcd(position); delay_ms(10); while(*textptr != '\0') WrDat2Lcd(*textptr++); }[/CODE] and call it in main function [CODE] Speech(hello,lcd_set_ddaddr+0x00);[/CODE] but it only display "HELLO WORLD", …  |
| | Hi to everyone. It's my first post here and I'd like to get some help. A friend of mine has 2 (simple for you) problems to solve and she doesn't have a clue (and nether do I). Prob 1.) Write a code in C++ (visual) that reads from the keyboard … |
| | I am using this code inside a button. When clicking the button I browerDialog appears. I can now browe to a folder and press OK. The Directory will be inserted in the textBox1. What I now want to do is this: Inside of this Folder I have a .txt File. … |
| | im trying to create a 2D array using a random generator but the compiler keeps giving me compiling error no matter how i modify the calling function [CODE]#include <iostream> #include <ctime> using namespace std; const int MAX = 4; void constructArray (int a [][MAX], int); int main() { int a … |
| | I have downloaded the visual C++ express 2005.Actually i have no experience with the visual C++, i used to develop with Visual Basic earlier but i don't know some of the following thing: 1. How can i enable the line numbers in my source code? 2. Where can i find …  |
| | The last version of DevC++ is released as beta 5.It is the only lightweight (comaprison to large download of VC++ express) IDE available for C++ with Stable release(Not like nightly build of Code::blocks).But,there are plenty of updates of mingw since then,so the outdated version inside the setup needs to be … |
| | Hi, I am having problem in compiling the following piece of simple code(it didn't work in any of the compilers VC++,GCC etc) [code] #include<iostream> using namespace std; int main() { while((char c = cin.get()) != 'q') cout<<endl<<"Character printed = "<<c<<endl; } [/code] ERRORS: expected primary-expression before "char" expected `)' before … |
| | Hi guys, quick question for you. [code]for (i = 0; i < NUM_EMPS; i++) { cout << "First and Last Name: "; cin.getline( names[i], 31 ); for (index = 0; index < NUM_MONTHS; index++) { cout << "Hours worked in "; cout << months[index]; cout << ": "; cin >> … |
| | Hello guys, I wanna write a program that count for me the number of each letter I have in a text file then I want to cout the words and count the number of repetition of each word. I was able to do it except for counting the repetition And … |
| | ok i have an assignement the assignment is to make a menu with these selection Write a program that displays a menu with the following choices to the user. A - Find the largest # with a known quantity of numbers B - Find the smallest # with an unknown …  |
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