51,593 Topics
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| | :sad: I have to submit the assignment tomorrow i got stuck in something looks silly the question is: parking garage charges a $2.00 miniumum fee to pack for up to three hours. The garage charges an additional $0.50 per hour for each hour or part thereof in excess of three … |
| | I've made an image processing application in Matlab, that reads an image and stores the width and height of the image in 2 variables, x and y .... Now i want to read those 2 variables in another application (a C++ application) that is running with the Matlab application... Does … |
| | hello all, I have to create a dll file which can be used in .NET thats why i have choosen ATL project to create dll file. Im developing dll(using VC++.NET 2005) which inturn uses Adobe XMP SDK API's. My basic intention is to use fewer API to ensure that everything …  |
| | Here is the problem: Since there was a change in the code skeleton I was given, I had to somewhat modify my already-written codes to suit that minor change. Vast majority of the codes were still the same, so created a file with the same name and copy-paste the codes … |
| | i'm taking a computer programming class, and i was given a chalange to create a program in "C++" that would tell you if the number you entered was a Perfect number, being that the sum of all the factors of a number minus itself would = the original number. aka. …  |
| | Hi all: The function malloc returns a void* pointer, and so I need to explicitly use type cast e.g.: (struct*)malloc(sizeof(Message_from_server)); I am wondering if it is a legal expression or at least, I should give it a tag name like (struct*message_from_server)malloc(sizeof(Message_from_server)); Thanks |
| | I am having problems with a code that I would like to go something liek this [code] string array; int z = rand()%2; switch(z) { case 0: array = {"entry 1","entry 2",...,"entry n"}; break; case 1: array = {"entry A","entry B",...,"entry (letter)"}; break; } //then do stuff with array [/code] … |
| | [COLOR=#000000]Hello![/COLOR] Command line builds: devenv solutionfile.sln /build solutionconfig [ /project projectnameorfile [ /p rojectconfig name ] ] I try to build.........please could somebody tell me what is solutionconfig? Thanks |
| | Hi there, could someone please help me debug this code. I need it to perform the following tasks 1. Ask the user for the number of cars he or she owns. 2. Create a class to represent a car, and then declare an array of cars. 3. Ask the user … |
| | hi i need to r write binary(hexadecimal) values into a text file then read this data and manipulate it as a number :sad:  |
| | can u ppl help me in implementing trie........... i need complete data structure of trie...............and how to implement it???? |
| | Hi Every body I want to know how it is possible to connect to database whether it may be Oracle,Ms-Access.I am using Turboc2 Compiler and windows OS and i found something like ProC that is file extension as .pc in Oracle 9i is there any relation between these i want … |
| | Hey, i just got alil problem. Im trying to create a 2d array with a size of [1000][1000]... [code] double variable[1000][1000] = { 0 }; [/code] its compiles fine but when i run the program, it just crashes...is the array too big?? the maximum i can get is [300][300]...any ideas??  |
 | What are some of the pluses and minuses of MFC? I think it is better to do a lot of things that are complicated without it. Any thoughts? |
| | hi im new to the forums and im stuck on a part of my code that i need to do for homework in the code below in my loadPuzzle function it seems to skip my cin.getline and i dont know why. [code] #include <cstdlib> #include <iostream> #include <fstream> #include <cstring> … |
| | Hi there im wondering how to use a time delay in my code. What i have done is searched through a saved file and picked out infomation the send it to the rs232 port. what i want to do is create a time delay of 100 micro seconds for every … |
| | I'm programming in C++ and I've been told that "printf" is faster than "cout", so since then I've been using "printf" instead of "cout". Do you recommend my option or not? thanks |
| | I wrote a cgi-bin program to run with Apache/Linux. When I do a form-post operation from a web page to my cgi-bin program, the form fields are not passed to the cgi-bin program? The cgi-bin program runs ok and returns some html through stdout, but doesn't read any form fields … |
| | I need to sort a list of numbers Here is the sample input: code -> subcode -> brandcode ( each code has a subcode and each subcode has a brandcode) [code] 7366->65535->65535 7379->65535->65535 7379->65535->65535 7379->65535->65535 7366->65535->65535 7366->65535->65535 7379->65535->65535 7366->65535->65535 9113->65535->65535 7379->65535->65535 7315->5->65535 7314->65535->65535 7315->5->65535 7314->65535->65535 7379->65535->65535 7314->65535->65535 7314->65535->65535 7314->65535->65535 7311->65535->8 … |
| | Hey everyone, I'm trying to write a simple program that can do more than one thing at once. I'm not an expert on the iostreams, so I don't know if I need to create threads to accomplish what I want. What I'm trying to do is run a loop while … |
| | hello, am doing a project for school . it involves a lot of file and string operations and i keep compiling the code over and over again to see if it is working properly ... all of a sudden the code simple stopped executing .. the code ran a number … |
| | [code] int r = rand()%2; switch(r) { case 0: string x[] = "Hi."; break; case 1: string x[] = "Bye."; break; } [/code] Will this code produce a conflict on the string "x"? |
| | I am trying to write a program to convert a roman numeral to decimal. If I define a variable with: [inlinecode]char roman_num[15];[/inlinecode] can I then select individual characters in that roman numeral with: [inlinecode]roman=roman_num[i];[/inlinecode] where "i" is a number value of the character I want to retrieve from 0-14? Also, … |
| | I know how to change the console text color using this code [code]HANDLE hConsole; hConsole = GetStdHandle(STD_OUTPUT_HANDLE); SetConsoleTextAttribute(hConsole, ###)[/code] But suppose I need to change colors frequently and on different output lines. Is there a shorter way to do it, like [code] cout[color=red] << "text"; [/code] ??? Rant: Google searching … |
| | Hi all, I'm transistioning from the networking end of things and moving to the programming side, so, even though I've been around here for quite awhile, I have a pretty basic queston: since the char data type has a minimum range values between -127 to 128, how is a letter … |
| | I was on Cplusplus tonight, learning a bit about data structures (which I like). Well, I copied and pasted one example, ran it, learned a bit. Then I tried the same for the second. Here's the code for the second... [code]// array of structures #include <iostream> #include <string> #include <sstream> … |
| | Hello! eveyone! I am new in here! But I got some urgent problem need to be solved shortly! please help me! I am designing a simple GUI card game by VC++.NET My game isnt complicated. However, I want to add some sound effect like maybe when I click a button? … |
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| | I have "discovered" a need to do some development for an embedded system. We have a PC-104 computer that boots MS-DOS 6. It does have VGA display and regular keyboard input. I need to develop some code to drive a digital I/O board. I can do this is C or … |
| | First of all, hello everyone. My problem is this. In writing a program which accepts multiple user inputs of type [B]int, [/B]during the first run through the program, after the first [B]cout << [/B]statement prints, I have to press enter twice in order for the second [B]cout [/B]statement to display. … |
| | <<split from: [thread]42172[/thread]>> [QUOTE=weehoong]Hi there guys! Just want to say these communities are great! i've really benefited alot from the forum and its tutorials. Special thanks to [B]FireNet [/B] and his file handling tutorials. It really helped me alot! Not forgetting, thanks alot to all of the members here too. … |
| | HI members; This is a memory game with c++ concole application. This is the code: [CODE]#include<iostream.h> //MEMORY GAME. #include <algorithm> //DESIGNED BY GLADIATOR1919. #include<ctype.h> //GLADIATOR1919@GMAIL.COM. #include<time.h> //ALL RIGHTS RESERVED. #include<windows.h> int e,i,j,q,m,n,x=0,row_1,column_1,row_2,column_2,score=0; char rand_1[16]={'a','g','h','j','k','a','s','d','f','g','s','d','f','h','j','k'}; struct mem_char { char ch[5][5]; }; char re_play; mem_char char_1[2]; void end_game(); void input_first_point(); void input_second_point(); … |
| | I want to write a c++ code that generates a DLL, the purpose of the exported Function is to do some processing on data on the memory, the main problem here is that I want my code to return also a memory pointer, yet I don't know exactly how to … |
| | Hey, I have a problem using Visual Studio 2005. In the MSDN library it says there is a function called SetConsoleDisplayMode. This function though is not in the 2005 library. I'm assuming its an old reference from VS 2003. Does anyone know how to tell a console program to switch … |
| | Hello, Can you please assist, why my Dev C++ program, wont see that I am trying to introduce the string library? Eaxmple: [code]#include <iostream> #include <string.h> using namespace std; ... ... ... int id; string name; int item; float cost;[/code] int is bold, float is bold, but string is not... …  |
| | i dont even know if im on the right track with this one but here it goes. im trying to write a delete function for a BST and this is what i have [CODE]bool BST::delNode(Key key) { BST_Node* node; BST_Node* p; if(findKey(key,root)) { if(root == NULL) return false; if(key == … |
| | Hello, I am new at this. I am trying to work with calling functions here. (Eventually I want to do some simple calcs on cost of going through a station...)but am getting an error on line marked with ***** initialise line within main int(). Can someone kindly suggest why it … |
| | This is a little embarassing asking this because I used to know this. How do you create a seperate thread in C++ and have mutexes, semiphores and all that. I have forgotten and I wonder if anyone knows a good example. |
| | hello all group members plz explain me topic in c++ this topic from exception handling 1. constructor,destructor and exception handling. 2. exception and inheritence 3.and also clarify me idea abt proxy class with example because i m 1onfuse with composite class these classes seems to be same 4.container class and … |
| | Hi, lets say I have an array of numbers then I want to display a certain array element. the value inside it,that is. in pseudo code that would be.. int array[5][5]; for(x=0;x<6;x++) { if x= array[0][1]; } ; ; ; message output " the value is array[0][1]" I want to … |
| | hi all, i have a program that read a float number, but with in the program i need 2 deal with the integer only ex. 33.78 i need 2 deal with 33 45,01 ----> 45 66.99----->66 and so on |
| | HEYZ CAN ANYONE GUIDE ME WHCIH PROJECT TO TAKE UP IN C#.... THAT IS MARKS GAININ....NEED UR HELP DEAR PEOPLE OUT DERE...LOOKIN FORWARD FOR SOME NICE IDEAS N HELP RELATED TO THOSE IDEAS....REPLY SOOONNNNNNN :confused: :lol:  |
| | I need to insert a "é" and other such symbols. At first I just tried using é straight out in C++ and it returned Θ. So I looked at my character map and did the unicode version \u00E9 where I wanted the é and it still returned Θ. I guess … |
| | I apologize, the topic of this thread has nothing to do because this post was started about a parse/syntax error but I solved it on my own and now this is something else, hopefully simple! I have this function that goes like this [code] void er(void) { string erbase[] ={"parl", … |
| | :sad: :sad: :sad: :sad: :sad: :sad: :sad: :sad: :sad: :sad: :sad: :sad: :sad: HiI HAVE TWO PROBLEMS!!!!!!!!!!!!!!!!!!!!! The first problem occurs when I run a virus scan. I contacted EZ ANTI VIRUS and the company said that this problem is a MICROSOFT problem because I ran a scan in the … |
| | hi every one iam new member in your sites and i hope i will find what iam looking for:rolleyes: so my friends i really want ur help iam students in univerisity 3rd level and our teacher ask us to write program in c++ this one below { [COLOR=#000000]Develop an [B]Airline … |
| | I need some help with a program concerning files. a)I have to create a file with the following information: 1. Honda 4000 2.Toyota 3000 3.Mercedes 8000 4. Toyota 3500 5. Honda 2900 create the necessary data structure to represent the above data in a program. create the necessary variables and … |
| | Hello All, I am hoping someone can help. I am working on a project that requires me to create a telephone VDU system. I have done all the hard stuff but it's just some of the easier bits that are evading me like... a) The user must press "enter" to … |
| | Hi to all! I'm writing a simple simulation program for elevators but i get a problem, namely: [CODE] elevator.cpp: In constructor `Elevator::Elevator(int)': elevator.cpp:41: error: no matching function for call to `Button::Button()' elevator.cpp:10: note: candidates are: Button::Button(const Button&) elevator.cpp:16: note: Button::Button(int, bool) elevator.cpp:41: error: no matching function for call to `Button::Button()' … |
| | There is only so much I can learn from free online sites (though I have learned some important things) and was wondering what books you would reccomend to further my C++ study? Additionally, I've heard bad things about my compiler, Bloodshead DevC++, in that it would be abandoned or is …  |
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