19,876 Topics
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| | while(1){ new=accept(socket, (struct sockaddr*)&peer_addr,&peer_addrlen); if (new<0){ break; } else{ recv(new,mesg,sizeof(mesg),0); if (strstr(mesg, "GET") != NULL){ printf("\n%s",mesg); FILE *write = fdopen(new, "w"); fprintf(write, "HTTP/1.1 200 OK\nContent-length: 47\nContent-Type: text/html\n\n<html><body>< H1>HTTP/1.1 200 OK</H1></body></html>"); fflush(write); } else if (strstr(mesg, "POST") != NULL){ strcpy(resp,"POST\nContent-length: 47\nContent-Type: text/html\n\n<html><body><H1>POST</H1></body></html>"); c=send(new,&resp,sizeof(resp),0); printf("%c",c); } else{ strcpy(resp,"HTTP/1.1 500 Server Interval Error\nContent-length: …  |
 | i have a text file like this: # Nmap 6.40 scan initiated Tue Dec 24 05:42:34 2013 as: nmap --open -oN 123.txt 10.0.5.0/24 Nmap scan report for 10.0.5.1 Host is up (0.63s latency). Not shown: 992 closed ports, 6 filtered ports PORT STATE SERVICE 22/tcp open ssh 443/tcp open https … |
| | How To Implement Using Double Linked List Structure in C++ function DisplayEven(...) that displays only the even elements inserted by the user. |
| | How To Implement Using Double Linked List Structure in C++ function DisplayEven(...) that displays only the even elements inserted by the user.  |
| | #include <stdio.h> static int Var1; static FUNC() { //do stuff with var } void CALL_FUNC() { //call FUNC //do stuff } void fc1(void) { CALL_FUNC(); } void fc2(void) { CALL_FUNC(); } void fc3(void) { CALL_FUNC(); } //etc. void main() { } goal is to break the fc1, fc2 and others … |
 | I need some pointers with pointers. What is the difference between a variable preceded by an "*" and an "&"? Some of my sample code uses one and some the other. I'm getting compiler errors trying both saying the variable is not defined. First use this function. |
| | I have a problem with registering a new employee for my project. It can only detect the first employeeID as an existing.. Here's my code: void registerNewEmployee(){ FILE *fp; struct employee obj; fp=fopen("data.txt","a+"); system("cls"); printf("\n\t*******************************************"); printf("\n\t*******************************************"); printf("\n\t***\t\t\t\t\t***"); printf("\n\t***\tNEW EMPLOYEE REGISTRATION\t***"); printf("\n\t***\t\t\t\t\t***"); printf("\n\t*******************************************"); printf("\n\t*******************************************\n\n"); char employeeIDNew[5]; printf("Employee Number: "); scanf("%s", &employeeIDNew); …  |
 | i need a code to add and subtract binary numbers. |
 | This is an example of a singly linked list allowing you to enter a number of names and associated ages. The twist is that the names are inserted into the list in ascending order. When the list is displayed, it is already sorted by name. Note: This is not an …  |
| | I have attached data.txt file with contains all of the employees data. The problem is when I login, it would only read one record. Here's my code: #include <stdio.h> #include <conio.h> #include <string.h> #include <stdlib.h> int login(); void displayWelcome(); main(){ int result; do{ system("cls"); result = login(); if(result==1 || result==2){ …  |
| | What does -> mean in the following line of code? bulk_in=end_point->bEndpointAddress; My books show - and > but neither of them seem to apply. The books don't seem to show both together. This is part of a USB driver that I'm trying to convert from Linux to C for the … |
 | Problem: input:square matrix of order n and a query which will denote the submatrix.(x1,y1,x2,y2) output:no of distinct elements in this submatrix. constraint:time limit=1 sec this is what i tried #include<stdio.h> //#include<conio.h> int main() { //clrscr(); int a[300][300],test[100000],count[10],m,n,c,j,p,q,r,s; long qu,re,i; scanf("%d",&n); for(i=0;i<n;i++) for(j=0;j<n;j++) scanf("%d",&a[i][j]); scanf("%ld",&qu); for(re=0;re<qu;re++) { c=0; for(i=0;i<10;i++) count[i]=0; scanf("%d … |
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 | #include <stdio.h> #include <conio.h> main() { int i,j,k,l,m,n; printf("Put in n nober of sqeur: "); scanf("%d",&n); printf("Whit wich nomber do you wanna start your squer?: "); scanf("%d",&m); for(j=m;j<=n+1;j++) { for(k=j;k<=n;k++) { printf(" %d",k); } for(l=1;l<j;l++) { printf(" %d",l); } printf("n"); } getch(); } Editor's note: moved to the appropriate forum |
| | **hello folks, i am new programmer,,,i have studied C# , Asp.net , Ado.net,SQL , Sharepoint Adminstration and development! but i am still junior..i mean i still ddnt get a job!! sumtimes i feel that its hard to go on programming..like i do always study but always forget..i feel sumties like … |
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| | Hi friends, I want to implement code which can take input from some other application. Like say for example ls | less Here, less is the application/utility which takes input from ls via pipe. I want to implement the same in C. I Did following things 1. Created PIPES using …  |
 | I am student just finished an introductory class on C++. Can any one help me build a GUI for my programs? Maybe a template? Example? Any and all help would be greatly appreciated. Thanks. |
 | Write a method named CustomerCreditLimit() that accepts a double as a parameter and displays the value as the amount of credit granted to a customer. Provide a default value for the method so that if a program calls the method without using an argument, the credit limit displays $500. Write … |
 | WAP to print the sum of all the PRIME or EVEN integers in the array and ignore the remaining.  |
| | Which compiler must I use to create ?: 1. Bare metal utilities. 2. My Operating System. |
| | int rad; int rad; float PI = 3.14 ,area,ci; printf("\n Enter radius of a circle:"); scanf("%d",&rad); area = PI*rad*rad; printf("\narea of a circle is %f",area); ci = 2*PI*rad; printf("\ncircomeference of a circle is %f",ci); |
| | Hello all: I have written a function that gets data (numbers) from a text file. My function works by taking a line from the text file, discarding unnecessary symbols, and putting the numbers into a vector. Here's a snippet: // Get data from text file. Values then put into one …  |
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| | this is a small graphical program in c....which gives you a clear discription about what a graphics can do in c..(a simple one)  |
 | hey guys ! so im learning c, got a question: so say i have a struct of students and inside the struct is name , id , fatherName, motherName. like this struct stds { int id; char name[21]; char fatherName[21]; char motherName[21]; } std[100]; suppose they are 100 stds and … |
| | I need help with transposing a matrix. I already did the transpose matrix using 2 arrays. But I can't figure out how to do it using only one array. So read a matrix and create the transpose within itself. Do I use the swap or what? Any help would be … |
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| | So, I have attached my code below. It worked fine , until I introduced the part to print out what's in the input file. After I did this, it says it's completed, but I doesn't copy the content in the output file. What should I change? Thanks a lot /*Program … |
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| | I'm getting compiler errors in all my function prototypes. The error is "error: expected '=', ',', ';', 'asm' or '__attribute__' before 'CALCOR". CALCOR is the name of the function and the prototype is just the first line of the function followed by a semicolon as Ancient Dragon said in another … |
| | I've implimented this snippet of code dijkstra_shortest_paths( g, name2v[tempName1], get(&VertexProperty::predecessor, g), get(&VertexProperty::distance, g), get(&EdgeProperty::weight, g), boost::identity_property_map(), // index-map std::less<double>(), // compare std::plus<double>(), // combine std::numeric_limits<double>::infinity(), // infinity 0.0, // zero do_nothing_dijkstra_visitor(), get(&VertexProperty::color, g)); to use dijkstra's on a map created from a text file, but I have no idea how … |
| | I'm already having problems understanding structs even with two books. Now I get one with "struct struct". What does that mean. This is actually part of a linux program I'm trying to convert to C for PIC processors. Also I'm getting errors in this code that should work like "unable … |
| | Bonjour tout le monde , Voila ma question : je prépare un TP en c qui consiste a crée un fichier input contient la taille en premier ligne et 2 matrice d'entier dans les autres lignes ex : 4 Matrice1 1235 5456 5428 2415 matrice2 8795 2514 6524 8562 le … |
 | hello, i am trying to store a text from file into array to do some editing on it i did this void readFile(){ FILE *fp; long lSize; char *buffer; fp = fopen ( "s.txt" , "rb" ); if( !fp ) perror("s.txt"),exit(1); fseek( fp , 0L , SEEK_END); lSize = ftell( … |
| | Okay, so as ussual I'm having a lot of problems with a code and I need a lot of help along the way, but I'm just going to break it down into simple questions as I go. I am taking data from an input file that is a .txt that …  |
| | #include<stdio.h> #include<conio.h> void main() { printf("enter number:"); scanf("%d",&n); for(i=1;i<=y;i++) { x++; } t=x; for(i=1;i<=y;i++) { t--; } y=t; getch(); } |
| | ok so here is what my code does, when you click sign up it will then open a new form wherein you can create your account by putting a username and password, after that it will save your username and password to the debug folder inside bin folder. the saved …  |
| | Is there a way to check the default version of C89, C90, or C99 that gcc uses to compile your programs? I tried -v and --version but they only give the actual package of gcc info. |
 | My assignment says : Write a program to perform following stack operations : Create a stack with item code and quantity Itemcode Quantity 111 450 112 0 113 487 114 101 115 500 116 0 117 359 and then Delete the items having quantity zero and update the stack. My … |
 | this is the question: Write a C program that will request the user to input the values for R,L,and C and plot the a graph of current ,I, against frequency . The range for the frequency axis should be automatically selected based on the resonance frequency of the circuit. |
| | Write down in C++ and OpenGL a code that is able to draw a polygon with the following vertex: {-0.6,-0.6; -0.6, 0.6; 0.6, 0.6; 0,6,-0.6) and rotate the polygon by 450 |
 | Hello people this is very urgent! i have to make a hotel management programme and submit by tommorow, i have made the programme but it got rejected cause i used calsses for the log in. Can u people please help me by telling me another way to write a password.. … |
| | Similar to echoserver, but this one handles multiple clients by forking the process. |
| | #include<stdio.h> #include<stdlib.h> //#define MAX 10001 void quicksort(long long[],int,int); int partition(long long[],int,int); void swap(long long[],int,int); int main() { int t,k,q,i,j,qi,c,p; long long *mot,*sat,*res; //printf("Enter no of test cases"); scanf("%d",&t); for(i=0;i<t;i++) { p=0; //printf("Enter no of chefs and no of queries"); scanf("\n%d %d",&k,&q); mot=(long long*)malloc(k*sizeof(long long)); sat=(long long*)malloc(k*sizeof(long long)); res=(long long*)malloc(k*k*sizeof(long long)); … |
| | Through programming experiment prove your claim for float storage format?  |
| | What is the difference between run time errors "Stack overflow.", "Access violation writing location 0x00000000." and "Stack around the variable 'w' was corrupted." |
| | I have a char all[1500]; which will store each network packet. I will convert the hex value into humand readable. Finally I need to extract the url. For e.g. I have this GET /mail/ HTTP/1.1\r\n. I know I can use first to decide if the word GET and HTTP/1.1. exist … |
| | Hello. I need to set up some pipes for a homework assignment as part of a bigger project. The issue I'm having is that the array (args) I'm using to populate the pipe arguments keeps segfaulting and I don't know why. Everything has been malloced beforehand and the faults only … |
| | Write a C++ program that can take either two integers or two floating point numbers and outputs the smallest number using class, friend functions and function overloading.  |
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