19,876 Topics
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| | I am a new user on this C and have a hard trouble with I/O's. If you could let me know what I am not clarifying. Thank You! [code] #include <stdio.h> #include <stdlib.h> // employee structure definition // struct year2009Data { float SSN; // employee social security number // char …  |
| | Write a program to compare two text files. The names of the files are to be supplied as command line arguments. The program should write a message to the screen indicating that the files are exactly the same or that there are differences. If the files differ, the program should … |
| | [I]<< split from [URL="http://www.daniweb.com/techtalkforums/thread28858.html"]this[/URL] >>[/I] [quote=Narue;145474]>u asking me if i cant code why should i be asking about sockets? No, I was asking you what you know so we don't waste time going over things that we don't need to. But if you want to be a dick about it, … |
| | Hi i am trying to find a good C++ tutorial to help get me started with programming. Does anyone know of a good one?  |
 | Dear all, Background: Rabbit Microcontroller. Accessing the board via Telnet. TCP/IP Uses VT100 Emulation Telnet. I had been thinking how do I check whether a user had keyed in an UP ARROW. I tried to do a HEX key capture and they returned me 3 HEX numbers. I am using … |
| | There is a famous mathematical conjecture called the Goldbach conjecture, that every even integer greater than 2 has the property that it is the sum of two prime integers. Write a C program that will prove that this conjecture is true for even numbers between a START value and a …  |
| | please i need help because i am beginner in c progtamming! i want in selection 1 to intrance grades from keyboard in array[7],from 0 to 10. in selection 2,that grades are display and the average of them. in selection 3 i want to sort them with bubblesort function,inside the code. … |
| | I am trying to read a data file with this format: 2 2.0 5.8 4 -3.8 1.4 2.0 5.8 3 1.0 2.0 3.0 5 2.2 3.4 4.5 -1.0 2.0 The first number is the number elements and the numbers under are the elements. I would like to read the first … |
| | I am creating a program in c that finds out the weather and changes the desktop background accordingly. So far i have managed to connect to the internet and DL the bbc rss feed to the file, which i can then open up. I have almost managed to get it … |
| | hi ...... im trying to create a simple c compiler..... how to link the header files to c code????? can the linking process can be done in assembly language... or is there a linker for download.... please help.... thanks in advance... |
| | // [code=cplusplus] #include <stdio.h> int main (void) {int currentornew; /*This is where if the user inputs a 0 they will automatically be brought to insert hours for employees.*/ int newemployee; /*This is where if the user inputs a 1 they will autmatically be taken to information of adding a new … |
| | Hello everybody, I'm having a problem with my conpiler. Below is what I typed but it is giving me Can anybody help me? 7 parse error before `float' 10 `fltMoney' undeclared (first use this function) 10 (Each undeclared identifier is reported only once for each function it appears in.) 13 … |
| | Hi all; I have problem in C. the problem is ,Here is my code [code=syntax] #include <string.h> #include <stdlib.h> #include <stdio.h> /* uni() function takes an array an thier size.and it produce an array which is include unique element */ int uni(char **arr,int size) { int unique = 0; /* … |
| | I am trying to store all of the tokens in an array. But after it store racecar in the array i get an access violation,Unhandled exception at 0x6515f8e0 (msvcr90d.dll) in Assignment2.exe: 0xC0000005: Access violation reading location 0x00000000. Here is the file im reading from: Bob went to town in a … |
| | As part of an assignment I am creating a class to handle rationals with numerators and denominators, overloading the operators for cin and cout, as well as +-*/. So these are the functions for those operators, now where exactly should I include these in my class? [code] Rational addition(Rational a, …  |
 | I'm getting an error (unhandled exception writing address so and so) trying to modify a string. It gets weirder though. Let me show what i've got: --Main.c-- [CODE=C]#include "stdafx.h" #include "commands.h" int main(int argc, char* argv[]) { char word[256]; int id; strcpy(word, "move"); strToUpper(word); printf("%s", word); id = getCommandId(word); if(id … |
| | Hello. I was wondering how to read strings from a file word by word and store the words into an array in c. I am having to write a program that tests words to see of they are palindromes from a little paragraph i wrote in a file. I've been … |
| | Hi i'm new to coding and am having a problem with a program i'm making, i have got it down to 4 errors which are on a single line, but i have no idea was wrong and how to solve it. [code]#include "stdafx.h" #include <iostream> #include <stdlib.h> #include <string> #include … |
| | I have problem while i am making calendar program in program condition is that -> input month and year and display the calandar of given month pls post the source code |
| | I need to be able to get rid of spaces in a string. All strings are representations of functions: 3 * x ( 1 ) + 1 * x ( 3 ) + 6 * x ( 2 ) – 10 * X ( 0 ) and i have to … |
| | Hey there. I am doing some c program that simulate a call center using threads. In the print function it gives me this error: aggregate value used where an ineteger was expecter. I already tried to make a cast to int but it still give me this error. The variable … |
| | Alright. This is a pretty simple program. The program simply reads a simulated DRM (basically an encrypted plain text file) file that was encrypted using RC4. It then reads a plain text file that contains the exact same plain text that the DRM file would decrypt too. (This is assuming, … |
| | Write a Program to generate a random connected undirected graph on a n vertices by generating random pairs of integers between 1 and n. Compute how many edges are needed to produce a connected graph(as a function of n). Implement the union-find algorithm, with the Weighted Balancing and the splitting … |
| | i have another problem i can't determine final database ER but for online bus reservation can u help me |
| | Hey guys, I have implemented the Knuth Morris Pratt algorithm and wanted to share the C code with all of you. If you feel it can be optimized please let me know. Feel free to play with it or use it for your school work :icon_biggrin: *************************KMP****************************** [code=c] #include<stdio.h> #include<string.h> … |
 | I am trying to create radio buttons in Dev-C++ using C. I am new to Win32 API programming also. What I have done so far is create the main app window, added textboxes, check boxes and a few radio buttons. The only issue I have now is that You cannot … |
| | Hello guys , i searched for over 2 hours how to add a messagebox when i click my button Visual C++ 2008 , in a windows app .. and i cant do it .. if any1 knows how to , please post and if anyone knows any guide or here … |
| | Hi, which C# enviroment (i like to keep compiler, editer and debugger in the same program) can you guys recommend? |
| | Hey Guyz, i hav a pretty simple task, i had got some text files of data, which are like scores. and i need to be able to edit the txt file to say change a charector A -> X or B-> R etc.. etc.. it would be great if i …  |
| | I need to read data from a data register n times and calculate the average of that and write it into another data register.... I dont know how to do this at all... Can anyone help me... |
| | Hi all, I am a newbie to C programming world. In my program I want to log information into a log file whose file name should be filename_date_time I am using following code to write information but need help in changing the file name from filename to filename_date_time. [CODE] #include … |
| | [code=c] // a code which prints "hello world" #include<stdio.h> int main() { (&printf)("hello world"); return 0; } why does the above code work? #include<stdio.h> int main() { char str1[]="hello"; int j=762; char str2[]="hello"; if(str1==str2) printf("true %d\n",--j); else printf("\nfalse %d\n",j--); return 0; } [/code] //the above code prints "false 762", why? …  |
| | i can't remember exact formula of the pascal triangle if you know then please send me the formula and the pascal triangle code in c i think y=c*(y-x)/(x+1); this is wrong but you can modify and send me |
| | Hello all. I have a problem with a socket server program I writing. The server manages to set up the socket just fine, however, it now needs to be able to take in input from a client. I using the following command to receive information and print it out on … |
| | I'm modifying a 10-year old open-source utility written in C, even though I'm a PHP programmer, so the whole pointer business for working with strings is giving me a headache. Can anyone advise on why this string conversion snippet is not converting case? [code=C] #include <ctype.h> int set_keysig (s, ks, … |
| | I would very much appreciate if anyone could throw some light on this error, not too hot with "C" as yet. When I try and compile the following with Keil C51, I get the following error message. Error C208 DS1302GetAll Too many actual parameters Seems to be line in Time() … |
| | this is my program [code=cplusplus] // // custorderscf2.cpp // #include <cstdlib> // student ...... Jones, Patricia #include <iostream> // section ...... MW row .... 4 #include <fstream> // due date ..... xx/xx/xx #include <iomanip> // refer to ..... Gaddis Ch3 void SetPrecision(int); // procedure prototype using namespace std; // avoid … |
| | im new to this forum and new to C++. i had a homework problem about arrays. the user inputs a number and i had to store it in an array. up to now i still don't know how to do it. and then after that i had to find max … |
| | Stupid question. Haven't done production C in a while and just inherited some legacy code. In case it makes a difference it is running out of OMVS on a Z/OS IBM mainframe. The C program is invoked by an assembler program. The assembler program passes in a number arguments that … |
| | Hi all, I have defined a new librray and want to simple include it in my program. I use #include</my path/library.h> and it works very well. but each time that I want to run my program in a new machine I have to change "mypath" manually. is a way that …  |
| | I'm writing a program for college and one part of it is to find the mean of a group of numbers that are inputted. The problem is that whenever I run the program the calculation always comes up with the same answer 2.39622e-43 I can't figure out why. Help please |
| | Hi, I need a way to do this: One server thread has to read a message from a client thread. The client will send the message to a queue and the server thread will read from this queue. The message being sent will contain: (3 different things) 1-ID of Client … |
| | Dear Daniweb, I am currently doing a commandline for a rabbit module. Using Dynamic C. Do you know how to code to recognise user's key strokes? Like if user press UP, it will display the previous command typed. If user press DOWN button, displays next command typed.. Thanks! Some articles, … |
| | Hello, all! I'm trying to understand how a client/server would work, and I found a server example I could play with on the internet. However, I can't get it to compile due to a bunch of undefined variables (sendto, socket, etc). Are there some options I should include in the … |
| | hi.....here is my code::: [CODE]int main() { srand((unsigned)time(0)); int random_integer,num,len; cout << "Random numbers: "; cin >> num; cout<<"Lenght of each numbers: "; cin>>len; for (int i=0; i<num; i++) { cout<<endl; for(int j=0; j<len; j++) { random_integer = rand() %10 ; cout << random_integer; } } [/CODE] my question is... … |
| | Hi y'all! I need to sort an input of integers, long as we wish (not defined, depending on the user), which ends up by -1, and print it to the screen sorted. I can't think of anything that is simple enough to use (a beginners level, all we learned in … |
| | I have a scenario like the client has to search for the active server.There will be many servers.But not all server are active.And at a time not more than one server will be active. The client will be in active state always i.e, it should always search for an active … |
| | I'm trying to write a short code that will take in a string of text, and tell me how many vowels are in it, with the information being passed between a parent and child process using pipes (I am only testing for "a" at the moment until I get that … |
| | program that produces a report with a header line containing the total sales and total expenses. Following this header should be a table with each salesperson's name, percentage of total sales, and percentage of total expenses, sorted by salesperson's name. the text file should be like the following form bob … |
| | I have a scenario in which there are many servers .But all these servers are not active always and not more than one server will come to active state at a time..Whenever any of the server comes to active state ,it has to send a "active state " acknowledgment to … |
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