19,876 Topics
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| | i have a program in c language that reads csv file.. now i want to read data column wise.. i want the whole program..which will take file name as command line argument and will fetch second column from the file.. lets assume file is like below.. aggromat,"1","abc","8903" aggromat,"2","abc","ddds" reply as … |
| | Hi, friends Can anyone tell me more efficient answer of this question. Q:-As we all know when we any object by value to a function then a temperary object is created. I observe that the destruction of this object occurs differently in different situations like . 1):- If we call … |
| | I have written this code for insertion sort but, its not generating any output. could you please tell me whats wrong in this code Thanks!! [code=c]#include<stdio.h> #include<conio.h> int main() { int arr[25]={1,2,3,4,5,6,7,8,9,21,15,16,18,22,24,72,77,79,91,62,27,35,11,90,110},i,temp=0,j,a; int *p; for(i=0;i<25;i++) { if (arr[i]>arr[i+1]) { temp=arr[i]; arr[i]=arr[i+1]; arr[i+1]=temp; p=&arr[i]; while(i!=0) { if(*p<arr[i-1]) { temp=*p; *p=arr[i-1]; arr[i-1]=temp; … |
| | I am a newbie to network programming. I been trying my luck with winsock and am stuck with no idea what to do. Here is a snippet of my code: [CODE]//Bind it to a TCP/IP port SOCKADDR_IN SockAddr; SockAddr.sin_port=24; /*Port to be used*/ SockAddr.sin_family=AF_INET; /*Connection Type: TCP/IP*/ /*Listen on IP … |
| | I need ascii number for forward keys. i found it but it has two number examble first -32 and second 80?? please help |
| | Hi guys, if anyone can help here it would be great. I'm running Windows XP SP3. I have at the moment a micro-controller connected to my serial port. Using the micro-controller I can get temperature data and send display it in a terminal. I can program the micro-controller in C. …  |
| | hi. i made a function which is supposed to create a binary tree from preorder and inorder traversals using recursion. i did this by making arrays for the left subtree and the right subtree in preorder and in inorder at each call of the function. makeNode() puts the data into … |
| | int main(int argc, char **argv) { char **myargv = argv + 1; while (myargv[0] && myargv[0][0] == '-') { if (strcmp(myargv[0], "-d") == 0) { myargv++; continue; } exit(1); } argc -= (myargv - argv); argv = myargv; Hi , I am new to C programming . I understood the …  |
| | I keep getting a segmentation fault error with this program. It is supposed to read in a file that reads: ABC=EFG$#$HIJ #$#KLM=NOP The program will then take out the all the "=" "$#$" and "#$#" and write it all back into another file. [CODE]#include <stdio.h> #include <string.h> #include <stdlib.h> int … |
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| | ok so im trying to implement a stack using vector and i have to access the last element of the vector el, i dont know if its right and also how would i implement the pop function of the stack using vector el_t stack::topElem() { el_t n; if(isEmpty()) cout <<"stack …  |
| | ok Guys and gals i just started learning C about a week ago and im working on a program that makes calls to the system for user name, system info ect... here is what i have so far. [ICODE] #define _POSIX_SOURCE #include <pwd.h> #include <sys/types.h> #include <unistd.h> #include <stdio.h> #include … |
| | hi, i just want the join two strings by checking the second string a non vowel word. suppose, str1="hello"; str2="world"; here i want the neglect the vowel characters in the second string. so, i have used 'while loop' for checking each character in the str2. i used the code something … |
| | I really need help in writing this program for homework. 1. Round the average for each student to the nearest integer. 2. Add code to print out an appropriate message for each student. (given in prologue comments) 3. Add code to calculate the highest student average, and the lowest student …  |
| | My project this week is to perform basic linked list operations. We didn't learn this in class, and the TA that attempted to explain can't speak English very well, so I'm having trouble understanding what I'm doing wrong. I linked the entire file, but I only had to implement the … |
| | Hi, I have been trying to compile open source projects since past few months with no success. I just don't know how to go about the entire thing. Readings over the internet have not helped much. Some come with [COLOR="red"]./Configure[/COLOR] and a [COLOR="red"]Makefile[/COLOR] while others with only a [COLOR="Green"]Makefile[/COLOR]. How … |
| | The class dateType in my program was designed to implement the date in a program. However, the function and constructor don’t check whether the date is valid before storing. … rewrite the definition of the function setDate and constructor so that the values for month, day, year are checked before …  |
| | Hi, I'm currently a student given the task of programming a RPN calculator using C. The following code is some test code that I made to solve the issue described in the thread title. It calls a custom getline() function(while loop) which is also shown and then should take in … |
| | Hello everyone, I am new to this forum and programming in general and had a quick question. In the code below, I was wondering why it was necessary to initialize the variables. I understand the general purpose of initialization(no garbage data) but I don't see what the point is here …  |
| | I have two programs which gives a same output.....But they uses different logics.... So I want to compare their compilation and run time so I can understand which one is better.... The program gives an output like.....If u enter a number=789 then output=890 means each input digit got increament of …  |
| | Hi folks, I am working in linix and i have a little bit confusion that whether i can access the PCB of current process or not? if yes then what content of it we can print it using it process id (getpid())..... thanks for answering ..... |
| | I would like to convert a C++ string that the user inputs to a c string. The problem is I have no idea how long the c++ string will be and i know the c string has to have one extra space for \n. Is there a way to apply …  |
| | am new to c++, and am having trouble with if else statement for this code i am writing a program that makes the computer guess a number you the user has choosen my program works fine, but when i get in trouble is when my range gets down to zero … |
| | I'm having trouble reading in values from a file. I know how to get all of the values in the file, but I only need some of them. This is my code (a snippet) so far. [CODE] ifstream myStream( file ); // file is the file name . while (true) … |
| | Could you please tell me how to arrange my code so that the invalid statement like in my displayed output will only show up if some enters a wrong character. Here is my code: #include <iostream> #include <fstream> #include <iomanip> #include <cmath> using namespace std; int main() { //(1) Declare …  |
 | I am taking a data structures class and we are using the standard gcc compiler on a unix system. This is fine and I have no troubles using it, but I would like to begin using an IDE for my labs. I am trying Visual Studio 2010 Professional with my … |
| | Create a program that will accept a date in numbers and output the date in long format. Have your program trap for the leap year and also invalid inputs. Your program will also ask if the user wants to input again. Range for year (1980-present) plsss help me ASAP...tnx!!! |
| | #include <iostream> #include <fstream> #include <iomanip> #include <cmath> using namespace std; int main() { char fare; char choice='Y'; int hrIn, minIn, hrOut, minOut; int hours; int minutes; int total_minutes; double cost; float charge; float additionalTime; while(choice=='Y'||choice=='y'){ cout << "\nThis program will calculate a single, couple, or group " << "\nfare …  |
| | I need to get codes for ADD DELETE SEARCH (WHICH GOES TO ANOTHER FORM WHEN CLICKED) UPDATE (WHICH UPDATE AND SAVES RESULTS) [ATTACH]19289[/ATTACH] just the code for that thank you! :) it's from a SQL Database;  |
| | Hello, I am new in C.Please tell me how to pass parameter in Function. Thanks |
| | Im working on an assignment and have run into a proglem that I cant seem to fix. With the following code I get the following error. "warning: passing argument 2 of strchr makes integer from pointer without a cast" [CODE]#include <stdio.h> #include <string.h> int main() { char buf[250]; char *chptr; … |
| | Hello cryptogeeks, does anyone have idea for KATAN/KTANTAN block cipher.Got any C code for it??? |
| | I am doing an bubble sort assignment, the goal is to enter up to a max of 10 numbers and sort them. The problem that I am running into is when I run the code, I have to hit ^D to have the next line of the array displayed and … |
| | Hello All! I'm working on a bit of code and I ran into a problem. I am trying to make a program that writes data to a binary file. When the program is run again later (presumably after being terminated) it is supposed to read in the old directory file …  |
| | Hello, I am working on a project that involves 5 servomotors that need to move in a coordinated way. The servos are controlled via an Arduino micro-controller. I've been learning C through this project, so my coding might be a little off-convention. What I have is 5 buttons (0 to … |
| | hey frnds ... my query is regarding the [B].bak[/B] files which are genrated when we compile our code. For some files i hv seen the [B].bak files[/B] but for others they dont exist . I just want to know the start n the end of these [B].bak files[/B] . Whats … |
| | [CODE]#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h> #include<dos.h> int main(void) { int gdriver = DETECT, gmode, errorcode,i; int midx, midy; int radius = 100; initgraph(&gdriver, &gmode, "c:\\tc\\bgi"); errorcode = graphresult(); midx = getmaxx() / 2; midy = getmaxy() / 2; setcolor(getmaxcolor()); for(i=5;i<=90;i+=2) { delay(50); setcolor(i); circle(midx+i, midy-i, radius); setcolor(i); … |
| | Hi, I am a newbie to Visual C++ programming. I already have a code which I edited for my purpose. It is as below. [CODE]#include <stdafx.h> #include <stdio.h> #include <stdlib.h> #include <math.h> #include <string.h> #define FIL_LINES 17873 /* no. of lines in input datafile */ double t[FIL_LINES]; double x[FIL_LINES],y[FIL_LINES],z[FIL_LINES]; double … |
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| | Hey ., need to know does turbo c work for ubuntu as well and if not what editor-cum-compiler should be used? Thanks |
| | I need to take the content of a C# datatable and deposit it (...) in a new Excel spreadsheet. I have seen some good generic code to do this, however, my problem is that I need to be specific, column by column, as to the format of the cells. For …  |
| | hi, i'm currently learning C on my own. i explicitly made a binary tree just to see if my postorder procedure works. i have no idea why but at the end of running the program, before it does the last procedure, this appears: [IMG]http://i56.tinypic.com/2nb52xx.jpg[/IMG] everything else works fine. i know … |
| | Hi! I have a problem. I cannot pass text chosen in combox to text field.. The problem is: how to do that if all menu items from combobox are read from cfg file. ComboBox: [code] // // systemBOX // this->systemBOX->FormattingEnabled = true; resources->ApplyResources(this->systemBOX, L"systemBOX"); this->systemBOX->Name = L"systemBOX"; StreamReader^ plik= gcnew … |
 | I am newbie in C programming and I have a easy assigment but I coul not do that. I need to read two number from a file, add them, print them that is all. Here is the my code. [CODE] #include <stdio.h> #include <stdlib.h> int main(void) { FILE *fp; fp … |
| | Hey I'm having a problem with a loop in my code. It's a pretty long problem, but it is a travel expenses program. I'm creating a function that calculates the meal expenses for the user. I have to get a total for two days(first day and last day). When I … |
| | Ok so I tried to search and didnt come up with anything so if this has been posted before, I am sorry. I am new to C programming and have done well in my class so far up till now, the teacher says that this is the hardest program and … |
| | Good Day .. I'm new to the forum .. New to C++ either .. I'm having a problem regarding the while loop .. I've been trying to make an ATM system .. But I can't continue further for the other cases because whenever I try the loop for going back … |
| | Hi all, I am looking for C++ multi threading under windows but i wasn't able to find any fruitful examples .Please provide me with some useful online books or links. TIA |
| | please check this code : [CODE]#include <iostream>// requires for keyboard and screen I/O #include <conio.h> using namespace std; void main () { int frontPad=0; int rearPad=0; int door=0; cout << "Welcome" << endl; cout << " Enter either 0 or 1 for state of the\n Front Pad,\n Rear Pad,\n and …  |
| | I've heared that its very easy to add c++ code to c++/cli project (net.framework @ Visual Studio 2010) Unfortunatelly I cant do that. I was seraching all over the internet and I cant find any decent examples. All I want to do is to make a function that will read … |
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