19,876 Topics
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| | Hello I try to send DHCP RENEW packets to the network and receive the responses. I broadcast the packet and I can see that it's successfully sent using Wireshark. But I have difficulties receiving the responses.I use packet sockets to catch the packets. I can see that there are responses … |
| | Hi Guys, Im having issue with the following code. I am getting the following error? could someone please assist? [code]#include <iostream> #include <iomanip> #include <string> #include <vector> #include <fstream> #include <stdlib.h> using namespace std; class employee { /* Employee class to contain employee data */ private: string surname; double hourlyRate; …  |
| | Hi again im a new comer im from Jamaica, i have an assugnment due wednesday and im trying to make my project look proffessional, in C there is a keyword called struct and im familiar with using structures, i was just wondering is there anyway to search for strings or … |
| | do you know where to find GL/glut.h code? i only found gl.h, glaux.h and glut.h in some links. can you help me? |
| | Hi all, I am new to C, and till now have only done python (a years worth at university), and am finding myself running into walls whenever i try to do seemingly simply stuff. One of the main issues in comparison is the lack of a interpreter and Ch is … |
| | hii frndz i m making a project on hospital management in c# with the help of ado.net in that i have made form of 'daily patient record' in which i take values room charges,test charges,dr. visit charges now i want when i insert value in roomcharges of a patient it …  |
| | Hi, My code reads a string from a file. But it misses the lastone. can you help me? 1..Text File [CODE]102.15.12.10 15.14.106.6 1591 1592 bit_torrent[/CODE] 2.. Code [CODE]#include <stdio.h> #include <stdlib.h> #include <string.h> struct list_node{ char src_ip[15]; char dst_ip[15]; char src_port[4]; char dst_port[4]; char protocol[15]; }; typedef struct list_node node; … |
| | Please bare with me. I am still a newb at programming and this may seem a bit confusing, but I have many comments and debug lines. This is an extremely long code, but could the advanced programmers out there please help me out? The goal of my program is to …  |
| | Hey, I'm in the process of writing an email header analyzer in C# and i'm stuck on something. Before i go into the problem i think i should write an intro on what i'm looking to achieve. I basically want a program that can read through headers and copy some … |
| | I am creating a program that calculates the average for a bunch of numbers. The first input is the number of values, and the second output is/are the numbers. For example, with the inputs of the following, I would get the outputs afterward. 5 10 20 30 40 50 Average …  |
| | hi, i have a code which i had done on turbo c++ ide with graphics in it...the nature of the code was such that i was able to read data & view graphics on the same window ...recently i tried winbgim on dev c++ but in this compiler the graphics … |
| | I am getting an Error stating canot convert string to Char type code is as follows [code] /* Jonathan Thomas ITSE 2421 intro to object C++ begin sudo code: function takes in string variable called "verb" function uses string function verb.length to determine length of string assigns value to size …  |
| | I am compiling the code with icpc command and I want to change the color of specific text in the program. How can I do that? |
| | Hello, I have a program where after you login, I need it to re-design the whole window. Is there a way I can change the WndProc to make the code cleaner. Thanks. I have a case for the login if successful, so it will be put in there. |
| | I am trying to write an function, which takes an string as input and do something and return the strings. Here Is a small try from my side. [CODE] #include<stdio.h> char algo(char n) { char result[15]; if(n=='1' || n=='2' || n=='3' || n=='4' || n=='5' || n=='6') { result = … |
| | Hi there, i m working on dining philosopher problem , i wrote some codes but i keeps giving some error like : "/tmp/ccMEjOtr.o: In function `philosopherRun': betterDiningPhilosophers.c:(.text+0x7a): undefined reference to `pthread_mutex_trylock' /tmp/ccMEjOtr.o: In function `main': betterDiningPhilosophers.c:(.text+0x54d): undefined reference to `pthread_create' collect2: ld returned 1 exit status " even i try … |
| | ok i have this project that i have been working on to fin harmonic,powerful,amicable and perfect numbers i have a few but im at a road block right now and would love some assisstance. [B]POWERFUL NUMBERS[/B] [CODE]#include <iostream> using namespace std; int main() { int endRange = 500, var1, var2, … |
| | hey guys, as well all know, C rounds downwards, anyway, i'm trying to write a function that would make it round upwards, and got something like this: [code=c] int round_up(float x) { int y = 100*x; double z = 100*x-y; if(z>0) y = (x+0.01)*100; else y = x*100; return y; … |
| | at the moment i have 2 answers to queations and the answers are 1,2,3 or 4 but i ow have to make it so the user has to put a work in like "Brazil" but i try to do the same as if the user puts "A" in and it …  |
| | Hey everyone, I'm a program newbie, I'm writing a code for sorting numbers from a input file, qsort(array, array_size, sizeof(int), (*compare)(const void *, const void *)); since the array_size may vary for different file, I can't just use int array_size= some # How would I write this? Thank you very … |
| | i heard there is no iostream or iostream.h in the dev c libraries |
| | I have two for loops that I would like to convert into while loops instead. This is the entire code of the program. This program simply asks a questions and determines whether the input is a yes or no based on the first character of the line. [CODE]#include <stdio.h> #include … |
| | I am busy to make a program that starts with a menu, where you can choose different options. One of these options to execute a program. for example : download software in an flash-prom with loader.exe loader idpartno.sr(where idpartno.sr is the code to be downloaded. Thanks for helping. |
| | Write a C program that accepts 3 parameters. Each parameter indicates the quantity of product to be produced. Each product will be produced in different production line. Ready products will be placed in a buffer area located at the end of each production line. Packaging workers will pack the products … |
| | Hi, I'm a newbie............ Sorry, if I violate any norms. Is it possible to copy any audio file or image file using C language? I think it is possible. If anyone knows it please guide me. If you know the code, that 'll be helpful. |
| | Hi everyone, I am a newbie in C programming. I need to make an implementation of gets() function from stdio.h, but I am not sure where to start. Please advice, any help is welcome. Thank you, Brian. |
| | Hi, in this code i am trying to call the function "issueTicket" from class "ticket", in the the function "reserveCabin" in another class called "cruise". Also, i think it is the same problem, i am trying to call function "calTicket" from class "booking", in the function "issueTicket" from class "ticket". … |
| | hi i have done a project with graphics(winbgim) on dev c++....suggest me a software for creating a front end for my project...should be easy to use.....thank u |
| | hi With the help of below program i try to print out different combinations of characters but when i compiled it i got some problem with it can anyone please help me with the errors in logic with the program [CODE]#include <stdio.h> #include <stdlib.h> char CharList[] = { 'a', 'b', …  |
| | Hi, I don't understand the portions I put in bold in this function for converting Fahrenheit to Celsius. The texts are "FtoC." I am guessing "FtoC" is a variable; I really am confused about why "to" is in there. What does the paranthesis (float f) indicate? [CODE]#include <stdio.h> float [B]FtoC[/B](float … |
| | Hi, I have a python simulator file sim.py. I need to start, stop and restart this simulator from a C/C++ test file test.cpp. I tried using system( "\sim.py" ) in my test file. This starts the simulator but in the same window as test.exe. In this case how do i … |
| | I want to raise an event in C# when any one user make an insert or an update to a certain table in SQL server via my C# program. As there are multiple users using the execution file in various locations, I can not do it using the C# cord … |
| | Please inform me can we use C programming in all OS of Mobiles . Like J2ME, Symbian, I Phone, Apple.. |
| | I am kind of new to c++, i usually code in java and php. This is a program that is supposed to read in an input file with very strict syntax that will either create a new stack/queue (implemented subclasses of simpleList), or push a value onto one of those … |
| | Basically, I formulate the website name using the version information ( IDE codeblocks SVN 6088, using autoversioning plugin ) and launch the website using *gasp* CMD... the problem is I don't want to launch a web page because ... i just want to check for updates... Also I don't really … |
| | Hey guys, I've got a struct array in a header file and at least two pieces of code that access that array. How do I schedule access for read and write events to that array. Where do I place my mutex_lock & unlock code? Thanks for your help, Tom header … |
| | Hi everyone, I'm trying to get the current time with this function and it's working fine, but, I'm getting the following warning when I compile with gcc 4.4.3 on Linux: [B]warning: incompatible implicit declaration of built-in function ‘strftime’[/B] I've tried using literals for maxsize and format, but that didn't help. … |
| | gcc supports an extended precison "long double" type typically 10 or 12 bytes but Windows XP always maps the "long double" to the standard double (typically 8 bytes) MinGW on windows XP thinks it has a 12-byte "long double" but in fact it only has the 8 byte support on … |
 | the program is showing the output perfectly but the value of [iCODE]a[/iCODE] is printing more than once. for example, if i enter range from 10 to 20 , the output should be 11,13,17,19 but the output is 11,13,13,13,17,17,17,17,17,17,17,19,19,19,19,19,19,19,19,19 how can i fix this ? [CODE]int main(void) { int a,b,c,d,f; clrscr … |
| | I am a beginner trying to write a program for my intro C class. I am trying to write a program that calculates the combination of numbers given a specific output by the user. The number has to be between 1-10 to be valid. I am not allowed to use …  |
| | I am writing a c program to copy content of one text file to another but with the copied lines in the destination file preceded by the length of the line and a blank space. Let me illustrate my expectation: original.txt destination.txt daniweb 7 daniweb forum 5 forum plz help … |
| | hello, is there any way to call a specific variable from a function ? see the following program. [CODE] float abc(void); float main(void) { float a,b,y,z; a=abc(); b= printf ("enter value for z"); scanf ("%f",&z); y=(a-(a*y))/(b*z); printf ("%f",y); } float abc(void) { float x,p; scanf ("%f",&x); p=x*x; return(p); }[/CODE] in … |
| | I dont even know where to start with this program. I have been really busy and he tells us what to do. If anyone could help with this it would be great. here is what it says to do ASSIGNMENT DESCRIPTION This program will simulate the card game WAR!. The … |
| | Hi, I’m trying to use the following code in C++ on Mac OS X Snow Leopard to get the output of an external program through a pipe. [code=c++] FILE * al = popen("program program.cfg", "r"); string data; char buffer[100]; while (fgets(buffer, 100, al) != NULL) data.append(buffer); cout << "«" << … |
| | Hello, I have been trying to setup mysql API with C. I followed tutorials but I don't think I am installing the API correctly. Could someone tell me the package to download, and what to do with it. Thank you very much. |
| | I have a file name fun.c contain the fuction to add two number (addnum(a,b)).Now I create another file name callfunc.c.Here I want to call the function (addnum(a,b)) from the file fun.c. How can I do that?. |
| | I've learned to write bytes from a file by reading the entire file into a character array and then writing them out to another file using fwrite. Of course, my teacher told me this is both wasteful and a file might not fit into memory, so I should use another … |
| | I'm going crazy. I've been trying to a linked list of a struct (which stores some strings and a character) however I've had no luck. It's just not working and I've been working on this for hours on end. Note: StorePtr is a pointer to the Store struct (which stores … |
| | I'm writing a program to read data and store it to file. However I am a bit confused by the EOF statement, and how to get my program to stop reading when there is no more data to read. My code looks like this [code]while((c=fgetc(fin2))!=EOF) { if(c=='#'){ while((c=fgetc(fin2))!='\n'){ }} else{ … |
| | im writing this program for an intro to c class, I was wondering if anyone knows whats wrong with this code? it says theres an error with the first else, if i take the curly brackets out it says theres a problem with all 3 else's. Thanks. [CODE]#include <stdio.h> int … |
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