19,876 Topics
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| | Hi. Got some newbee questions for the masters of C# =P Im trying to build a small ROV. iv used Python and the joystick sketches u can find on the internet. But i want a GUI that shows feedback from the ROV and output info like "lights on/off" and thruster … |
 | Hi I was hoping if anyone could help me figure out what im doing wrong. I wanted to delete a specific line in a text file using fputs...I dont know why it isn't writing on the textfile in other cases it only writes in the end of the file..' heres … |
| | So, i have to create a program to work with a menu and run differect functions with different letters used as commands, but I cant get my program to correctly Identify if a menuinput is the same as a letter or the other. Here I keep using the letter L …  |
| | Hi, Big 'i' and small 'L' are looking same when I type it in google, how can it differentiate these two? Is it only by ASCII value or any other reference? Any answer could be appreciated. |
| | I was assigned to make a int to binary converter. I made one and it work as it should however when attempting to make a char pointer and print the char array the pointer is pointing to it print weird character which I am guessing is the memory location. Am …  |
| | Well I am coding a small intermediate program to help me with learning c++ , and i am wondering how to check for blank input to cin >> string heres what i have [CODE]string name; cout << "Enter You're Name: "; getline(cin, name); [/CODE] and if i just hit enter …  |
| | Hi there, I am coding for an engine based on C that supports everything apart from arrays. Now what I want to do is this: [code] int Populate(int Amount, string TagArray[], float xLoc[], float yLoc[], float zLoc[], float Orient[]) { int AutoInc = 0; while(AutoInc < Amount) { int a … |
| | so there's an argument about best practice for #include statements. many people put all the relevant #include <header.h> statements at the top of the .c source code. some people prefer to put the relevant #include statements within the .h header file that is associated with the .c source code consider: …  |
| | I am using qcheck=all while compiling my makefiles. When I am running the binary file generated then it is converting integer to a double value For eq: 612 to 612.0 Can anybody help me to know the reason why? Regards, Ankur. |
| | 3 months ago me and my classmates played with visual c++ 6.0. We made a infinite loop of numbers that kinda looks like the matrix thing. We changed the font of the cmd of c++ to green. Now the problem is I can't turn it back to normal. I tried …  |
| | Hi everyone! Is there a way/command in C to find a string that is contained in a longer string? I'm currently developing a C program in Windows that sends requests to a machine and gets its response through socket programming. The response is an image in jpeg/jfif format. The whole … |
| | Hi Sir/Madam, Need your help again, i failed to do output display for the menu list from this code. Suppose the output have to come out with menu = item selected, tax and amount of item. [CODE] #include<stdio.h> #include<string.h> #include<stdlib.h> double price[8] = {2.50 , 3.45, 2.20 , 2.95 , … |
| | i got an if statement that will display the letter A and the percent grade if there percent grade is between 90 and 100. and the else statement will do the same but its display a B if the grade is between 80 and 90, my problem is, even if … |
| | I just need a help regarding this problem: a user is asked to enter two fractions, and the program should print the following -maximum -sum -product Output should be in proper fractional from and should be in lowest terms. The program must be able to identify if the numbers entered … |
| | I need to make calculator with buttons for each digit and so on. My question is, if there is any way to make one function that will handle with all events for all digits? Now I have: [CODE] private void addDigit(char i) { // some calculation with 'i' } private …  |
| | so im begining some project, and to try to check my work im trying to print out results as of point x to see whats going on. I just started and im already stuck, and I cant find any reason why I am getting an error. Here im trying to … |
| | Allrite so I'm writing this program - and I've been having some trouble with it - there are three parts to it 1. Write a function [CODE]void tolower(char* s)[/CODE] that replaces all uppercase characters in the C-style string s with lower case letter. - Two helper functions to use a)[CODE]bool …  |
| | I need to use mergesort to sort the data in a file that has the names and ages of 10 different people , first i have to sort the names in ascending ascii order and then i have to sort them by their age but im not sure how to … |
| | Hi, sorry to post about a bus error I realize there are many answers on others threads but none of them have been able to help me make sense of this problem. Im fairly new to C and have tried everything I can think of. The program is supposed to … |
| | [CODE]#include <stdio.h> #include <math.h> FILE *input, *output; main() { int Max, Min, x[1000000],i=1,n=0,j=0; input = fopen ("Nube_de_Caminantes.txt","r"); n=getw(input); while (n !=EOF) { fscanf(input, "%i",x[i]); i++; n = getw(input); } fclose(input); }[/CODE] There is some stuff I need to do with the array once I have it, but I can't get … |
| | hello all, i am having a real hard time tracing down a logic problem and am looking for help. this program just does a binary search on a sorted list and returns a record. now it works for records that exist. however, i want it to continue searching until an … |
| | i tried to get some programs in google but the theory part was mentioned in it without programs |
| | Write a function that accepts a pointer to a string and a character and returns the number of times the character is found in the string. [CODE] # include <stdio.h> # include <conio.h> # include <string.h> # include <stdlib.h> void countletter(char *str); int main() { char str; printf("Please enter a … |
| | Hi, I'm stuck on something and was wondering if I could get some advice! OK I'm passing a double *array1 and a double **array2 to a function pointer array like this: [CODE]void func1(double *array1, double **array2, int i){ array2[0][i] = array1[0]; array2[1][i] = array1[1]; array2[2][i] = array1[2]; array2[3][i] = array1[3]; …  |
| | Hi!Good day.this is my first time to post here. Iam using visual c# 2008 and Im new to it.Im developing a system,Ordering/Sales Monitoring and Inventory system as a part of my requirement in school(my thesis). The system that Im working will be used by a company for REAL so Im …  |
| | Hello I am getting the above error message with my program. The line giving the error is marked. What I am trying to do is create a file, (new.ppm) and have it then returned onto stdout. [code=c] FILE *fp; fp = fopen("new.ppm", "w+"); //creates the new file fprintf(fp, "P3\n%d %d\n255\n", … |
| | i have two programs.. say 1) intermediate.c ( which creates and intermediate file ) 2) result.c ( which creates final csv file).. is it possible when i execute second program, first automatically generate the intermediate file which is being used in second program? |
| | I have made a system, when use select Model,then the F.Grade dropdownlist will show the F.Grade belong to user select Model. So I put display F.Grade code into Model dropdownlist. But it is very slow when user use down arrow button to find model. This is because when down to … |
| | hi I want to write my C functions in 2 separate .c files and use my IDE (code blocks) to compile everything together. How do I set that up in code blocks? How do I call functions in one .c file from within the other file?  |
| | Hi. Basically I first made some code to do mergesort on a list of numbers. Worked like a champ. Then I said, what the heck, why not do a mergesort on an array of structs, this is where it gets a little funky. While the first sort of the data … |
 | I need to pass a linked list (via unnamed pipe)that is created by the parent process between one child process to another child (created by the same parent). However I am not sure that it is proper to pass it by address of the head node or the complete structure … |
| | In these problem I have to find triangular number by the number of it's divisors. The program takes about 0.65 seconds to find the first triangular number with >100 divisors and about 87 seconds for the number with >200 divisors which means that my algorithm is very inefficient. Any help …  |
| | Hi! I develop the app, that must be binded to hardware-specific information. This is a part of license protection scenario. The serial number of motherboard must be obtained. How to do it under Windows ?  |
| | hey everyone, i been set a coursework which i am totally confused about, i have been struggling to even understand it so i hope someone can at least lead me to the right direction. i have been asked to design and implement the pulse counter and draw a function(draw function … |
| | [CODE]#include<stdio.h> #include<conio.h> main() { clrscr(); double sales[10]; int index; double largestsale,smallestsale,sum,average; //initializing for(index=0;index<5;index++) sales[index]=0.0; //reading printf("Enter Value:\n"); for(index=0;index<5;index++) scanf("%d",&sales[index]); //printing for(index=0;index<5;index++) if(sales[index]<index) printf("%2d",sales[index]); //sum & average sum=0; for(index=0;index<5;index++){ sum = sum+sales[index];} average = sum/5; printf("\nThe Sum is %d",sum); printf("\nThe Average is %d",average); //largestsale int maxIndex = 0; for(index=1;index<5;index++) if(sales[maxIndex] < … |
| | HELP!! can someone please help me, because i need to create a game in which i have to count how many times i've pressed enter in a matter of 1 minute. |
| | Hello All, I have a little experience with C programming but from last 2-3 years i didnt use C. Now i have to develop a GUI which can send and receive data via RS232. Basically i have to send via CAN (Control Area Network) which is a BUS use in … |
| | OK, so I know that I can search binary records in C, by entering the number and returning the corresponding data, however I need to search a binary file using text. In my opinion I would need to load this file into a buffer and search the buffer for the … |
| | Hi all I have been tasked to implement a median filter on an image - this involves creating a window that will traverse the entire image. When the window goes out of bounds of the image, the guilty indices are supposed to be set to zero. My problem is that … |
| | PLease help me !! how can i uppercase the half only of the string and the half is in lower case?? |
| | hello, i'm a newbie. [U]are c and c++ really similar?[/U] some people say that they are extremely similar, and taking the path of learning c first is better. i'd like to learn both c and c++. [U]which one is better to start with?[/U] and as i mentioned before, i don't …  |
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| | Hello everyone. I have an error in my makefile. When i execute it on the terminal in linux, it gives me the following errors [CODE]mkab@mkab-ThinkPad-SL400:~/Desktop/TP 5/src$ make test gcc -c prog2.c gcc *.o -o test prog2.o: In function `tester_supprimer': prog2.c:(.text+0x1c): undefined reference to `ajouter' prog2.c:(.text+0x32): undefined reference to `ajouter' prog2.c:(.text+0x48): … |
| | I can't find whats the error here. Pls help to have a look on this ^^ [CODE]#include <stdio.h> #include <conio.h> #define tax 0.05 struct jitemenu{ char menitem[10]; double harga[10]; }menu[100]; void items(int ,int,double,double); // pengistiharan function void tunjukmenu(); void resit(int, double, double, double); int main() { int Q[10], item,i,c; tunjukmenu(); … |
| | hi all, nice to meet u again. I need your help on this code, which is the programme i still failed to compile. [CODE]#include<iostream> #include<iomanip> #include<string> using namespace std; // Define Struct struct menuItemType { string menuItem; double menuPrice; }; void printCheck(int compMenuList[], int counter2); void getData(int compMenuList[], int counter1); … |
| | I don't know why my code is failing after building, actually i know the char statements are wrong can anyone tell me how i can fix the char statements and make them correct, all i need to do is initialize a single letter using char [CODE]#include <stdio.h> int main() { … |
| | I would like to write a program with getchar and putchar that read my input and prints one word per line and ignores all semicolon, comma , dot , newline, tab and space. Here is my input: "The Parsnip The parnip, children, I repeat, Is simply an anemic beet. Some … |
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| | Hi, I wanna traverse inside the file system by using threads and processes.My program has to assume the first parameter is either given as "-p" which offers a multi-process application or "-t" which runs in a multi-threaded way. The second parameter is the pathname of a file or directory. If … |
| | Hi, What command/technique is needed in a C program to receive image bytes through socket programming from an HTTP response? I want to develop a program that requests for an image from a server, then upon receiving the bytes comprising the image, it should write these bytes into a newly … |
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