19,876 Topics
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| | [COLOR=#000000]hi all I am trying to be much familier with pipes I tried to write a c program that generates the following output [B]from child: I want to print this line twice [/B] [B]from parent: I want to print this line twice [/B] what I get is [B]from child: I … |
| | I am having problems with a program I am writing. Write a program to read 2 integers. Then call a function to add them together and return the result. Display the result from the "main" program. How would I go on doing this? |
| | Hi, Is it possible to set the value of a DateTimePicker to blank so that when you run the application there's no value in the DataTimePicker? Kind Regards, Rowin |
| | Hello can anyone explain the following bugs: [quote] Book.obj : error LNK2001: unresolved external symbol "public: virtual void __thiscall CBook::Serialize(class CArchive &)" (?Serialize@CBook@@UAEXAAVCArchive@@@Z) ViewBooks.obj : error LNK2001: unresolved external symbol "public: virtual void __thiscall CBook::Serialize(class CArchive &)" (?Serialize@CBook@@UAEXAAVCArchive@@@Z) LSMUtility.obj : error LNK2019: unresolved external symbol "public: __thiscall CBook::~CBook(void)" (??1CBook@@QAE@XZ) referenced … |
| | Heloo! I found codigo well very interesting, but the same it considers that all the processes arrive in instant zero, as I can make to consider arrivals in aleaórios instants. [code]* Scheduling Simulation*/ #include <stdio.h> #include <stdlib.h> /* Process Data Structure */ struct process { int pid; /* Process ID … |
| | Hi, I have an C++ Builder application. I want to print a report with the values appearing in my application. I get these values from my database. I already have a crystal report format of how the report should be printed. How to do this? Kind Regards, Rowin |
| | MFC program seems to always report the following error when I click the 'OK' button to exit the program: Run-Time check failure #2 - stack around the varible 'dlg' was currupted Can anyone explain this? if i click continue, then it just closes and returns me back to my development …  |
| | The first three people to complete this program will be entered into the annual contest for Top Coder! The grand prize is the chance to become one of TopCoders independent programmer. This is a special opportunity to get paid for programing projects that you create. Below is the program to …  |
| | Does anybody know how member of function can be a pointer to a function. The following example crashes when I call the member that is pointing to a function. [code]#include <stdio.h> #include <stdlib.h> #include <string.h> #include <windows.h> typedef long fooPtr(char *); typedef struct { fooPtr *func; long cnt; } MyStruct; …  |
| | I am having a problem implementing the pivot_r portion of the program. I have all of the rest as we have been working on this program for a while but the darn pivot_r portion is killing me. Please any help would be GREAT! [code]/*-------------------------------------------------------------*/ /* Program chapter5_8 */ /* */ …  |
| | Alright... first off I hate fgets with a passion :) Anyway, I am wanting to read a file into a 2 dimensional array and then randomly select one of those lines to output... What am I missing here? [CODE]void displayQuestion() { /* fp is a FILE pointer. This pointer will … |
| | can any body help in implementing linked queues and also iterating it from the external main program????:?: |
| | i have 2 write a program that read a long number up 2 10 digits. when i made it int , the compiler made error, then i made it double, the program is ok and calculate everthing ok, but when i need 2 print this number again it is correct … |
| | Evening :) I am trying to run a makefile on a program i wrote. in Borland C it runs smoothly . after running the makefile - all sorts of error appear which i do not understand. i am adding the files (program + header + error DOC ) . [B]Makefile … |
| | my delete operation doesn't work.the element which is added last is being deleted.ı want to delete the one ı want; not the last entered.how can ı do that?can you help me?thank you very much for your consideration... [code]#include <stdio.h> #include <stdlib.h> typedef struct student { char name [25]; int age; … |
| | Hello to you all , Major problem in C , Files included Summary of problem : Program will not copy the feild "name" from struct "univ->std.name" properly. the rest of data is presented fairly. do not touch function "output_university" . Thank you , yotam , Israel . |
| | Need help. What`s wrong? Read words from textfile (only [a-zA_Z]. Puts them to the binary search tree. If word already exists in tree has to add to counter in struct. [code]typedef struct puu_alkio { char sana[100]; int lukumaara; struct puu_alkio *vasen, *oikea; }puu_alkio, *puu_osoitin; void add_to_tree(struct puu_alkio *solmu, struct puu_alkio … |
| | This program converts a decimal input into a hexadecimal and octal value.But I also want to convert it top binary as well.So kindly guide me. thanx [code]#include<stdio.h> #include<conio.h> void main() { clrscr(); int a; printf("Enter a number"); scanf("%d",&a); printf("Decimal=%d",a); printf("\nOctal=%o",a); printf("\nHexadecimal=%x",a); getch(); }[/code] |
| | hi i just started programming so im very new to all this, i am writing a code and i am comparing a string in a struct to a string. one of them as you can tell is an array of strings, im not really sure if im breaking any rules …  |
| | there is a problm in this programmebut i dont know what is itquestionWrite a C-Program that does the following• Read integer numbers from a file inp.dat• Calculate the sum, average, and multiplicand of even numbers and store the result and the even numbers in output file out1.dat• Calculate the sum, … |
| | dear friends, In C, a program i wanna write i.e; from one text file to calculate how many single char exists and print it in one more text file. try this............... i cudn't get. |
| | Hi , I m working on Peoplesoft Component Interface. I want to access the [code]class PSApiException { private: tstring m_sMsg; PSI32 m_nMsgSet; PSI32 m_nMsgNum; public: PSApiException(LPCTSTR szMsg = _T("Unspecified PS Api exception"), PSI32 nMsgSet = 0, PSI32 nMsgNum = 0) : m_sMsg(szMsg), m_nMsgSet(nMsgSet), m_nMsgNum(nMsgNum) { } virtual ~PSApiException() { } … |
| | ı am from fatih university from turkey.now according to our country'time zone :03.01 am. and ı am still contınue working but ı couldn't solve the problem for 8 days.and there is a little bit time to handle homeworks.if one of you can help me to do my homework ı will … |
| | From what I read in a few books, a static variable retains its value(s) throughout the lifetime of a program. In this stack program I've been trying to fix up, the static var doesn't seem to change or hold its contents after different function calls. I can't figure out what's … |
| | I'm kind of confused about how the modulus operator works. Suppose i have x % y with x > y. So if x was 6 and y was 2, then 6 % 2 would produce 0. But i don't really get what happens when x < y :eek: In this … |
| | hi... Can any one help me about text justification("justification on both sides", or "double justification", where text lines are justified both on the left and on the right. That is, all lines except (usually) the last one have equal width; the method used to achieve that is typically to leave … |
| | Hi friends, Can anyone please tell me how can I set echoing the characters off while I type them on the keyboard ? e.g; I have to input password in c code but that must not be displayed while typing. I am working in Linux. Thanks. |
| | Hi, I'm trying to compare elements in two different vectors. I wrote this: if (a[i] = b[j]) same = true; and the compiler said this about the first line: assignment of read-only location What does "assignment of read-only location" mean? Thanks. |
| | Hi, I want to display integers 0-99 in randomize order. I can get the list on integers, but can not do in randomize order, I used rand and srand, but it’s not giving me unique numbers. Can anyone help me? -thanks Here is what I did so far… //* This …  |
| | I want to display a decimal number in a RichTextBox by using AppendText. How do I convert (if I have to) the decimal number to a string so that the AppendText function will work? |
| | Hello to you all , I have a program who i want to copy one input.txt to a output.txt and for some reason it duplicates the string and it doest create a full duplicate . i am over this for a few hours now and i can figure it out. … |
| | Does anyone know where I can get technical information about developing HTTP applications in C++. I'm not talking about CGI, I mean the classes or functions that allow you to directly communicate on the web via HTTP without a web server. |
| | I've got the following code: [code] template <typename T> int Histogram<T>::get_occurances(const T& obj) { map<T,int>::iterator find_occur = frequency.find(obj); if ( find_occur == this->frequency.end() ) { return 0; } return ( find_occur->second ); } [/code] The following line always gives me an error saying ';' expected before find_occur. map<T,int>::iterator find_occur = … |
| | In this function i am having problems with pointers, syntax wise this would not work ex (fstats +1)++; In this function i use fstats floater array to hold float values, now as in the functions i use fstats[index value]++, now i'm just using pointers how would i do this?? i … |
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| | I'm trying to do a program that takes two vectors and computes the alternating sum, appends the vectors, checks whether two vectors have the same elements in some order, ignoring multiplicities, and removes duplicates. Any help would be appreciated. [CODE] #include <iostream> #include <vector> using namespace std; /* Functions on … |
| | Hey guys, please help me, i m willing to implement SIP in my university project, the project is targetted to voice communication over network but the problem is, i m not an expert of VC but have sound programming knowledge in Actionscript and ASP.Net(VB.net) , so please guide me as … |
| | Does anyone have any idea how I would code this I'm having some trouble coding it, I would appreciate it very much if you could provide a code in C++. Been trying ot figure out this for couple days but keep getting syntax errors for some reason. 1.) let the … |
| | Hello to you all , I am having a little trouble in C , working with Files. for some reason , it doesnt copy to output file the first letter and jumps over 3 digits of the last number in the file . whats wrong , i cant find it … |
| | hi, I have a problem of concatenating 2 strings. 1 of the strings is defined in the code and the other one is asked from user. This small code must only concatenate these to strings but doesn't work... here is my code: [CODE]#include <stdio.h> #include <stdlib.h> #include <string.h> struct deneme …  |
| | Does anyone have ebook Data structures using C by Aaron M. Tenenbaum, Yedidyah Langsam, Moshe J. Augenstein. I am in big trouble, please help me. Thanks! |
 | [B][COLOR=DarkRed]Hello all, Just want to know if you guys can recommend me some good links where I can learn how to make a robot with keyboard interactivity using OpenGL GLUT. Thanks in advance... :cool: [/COLOR][/B] |
| | Im a beginner in C language and I have a problem with strings in array mostly. Question : User is required to input ID number, which consists of 7 characters. First 2 characters have to be Alphabets and the last 5 will be numbers. Example, AB12345 Task : Error checking … |
| | Hi, I've just started out learning C# / .NET at a fast rate. Then, I plan to look for company to get experience even if working for free. Any ideas or suggestions would be appreciated. Anyone know where I can gain experience when I learn enough without certification and only …  |
| | Need help with a function that reads from a text file usins fscanf function. example say there is 20 stings that are 60 chars long on their own individual line. Does fscanf() read the whole text file or does it read only up to the carriage return. If it doesn't … |
| | Hi, I've just started out learning C# / .NET at a fast rate. Then, I plan to look for company to get experience even if working for free. Any ideas or suggestions would be appreciated. Anyone know where I can gain experience when I learn enough without certification and only … |
 | I have a code in which I want to swap an element in a matrix with another. User inputs the row, column no of the elements to be swapped. But the code doesn't seem to work. Can somebody help? PS: The swapping starts in the snigleplayer() function. [CODE]#include <stdio.h> #include … |
| | Ok so I have a couple of files within a C program diffrent files for diffrent things etc. What I want to know is, Can I open all the files at the beginning of the program (in main) and close it when the program exits or Should I write the …  |
| | Hey everyone, Would someone please be kind enough to direct me to a good explainatory tutorial site or that can explain to me in how I would go about in answering this question. I don't know where to begin or start. What is the decimal value of the binary fraction … |
| | Ok, :) For the conversion of binary to decimal, check it out: Let’s say we have to convert – 1010.1010 We solve this kind of problems into two parts as follows: (<LHS> . <RHS>) 1. First take the left hand side no. of the radix point( . ) which is … |
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