19,876 Topics
 | |
| | what are the different types of main()?please explain each of them.  |
| | hi any one help me.. in this pgm if i use pointer in name means it correctly working, but by using array to name it doesnt work properly... it shows lvalue required.. by using array i need to run this pgm.... plz help me... main() { type def struct { …  |
 | Let's say I input the letter: c it will show: c - cat How do I do that? Thank you! |
| | I have an idea for a program but I don't know if its possible. I want to write a program that can read commands from a file.. For example, I've seen bots that can parse and read javascript for games and execute whatever is in the .java file.. How can … |
| | i have got a project where i have to connect c program to mysql database. but, i have zero knowledge of mysql. so, iwas looking for a mysql tutorial with c language . but. most of the tutorials online are mysql with php. so, could you please provide me some …  |
 | C++ course has started in my college. I would like to know the best beginner book for C++. My teacher has referred Robert Lafore and The Complete Reference. Since there are a lot of suggestions given in the sticky thread, I am confused. Thanks in advance :) |
| | Hello people, I want to write a program which does the equivalent of going to google and searching for a word. So, for example, instead of going to google and typing out 'daniweb', I want to do that from a program. Does google offer any api's for that ? |
| | I have a problem, whenever I attempt to use the following expression it returns -3. Can you please explain why this is? [CODE] int level = ((RoD * 10) - 50) / 15; std::cout << "Level = " << level << std::endl; [/CODE]  |
| | Hi, I have a basic understanding of C++ and was creating something myself with a class of 6 integers and a string what I want to do is to be able to find the mode values for each of the six integers and strings I have instantiated a set of …  |
| | I want to make a simple chat program after I got my first winsock program to work. The thing with chat is that the receiving part seems to work simultaneously with the sending part, but the thing is `recv()` seems to hold until it receives something(like any stdin function, I … |
| | |
 | This code prints coordinates for a square that another program uses. For space's sake I have cut out all the other program's code, but I believe it is a simple syntax mistake with my if() statements. I have followed the rules and looked just about everywhere and followed all of … |
| | Can someone please tell me what is the event that is triggered when a user clicks on the + sign in C# TreeView? To elaborate more, here is my problem. I have a tree view that is populated at the time of Form_Load. Then the user can expand/collapse/select etc with … |
| | [CODE]/******************************************************************************\ \******************************************************************************/ /******************************************************************************\ Include files \******************************************************************************/ #include "LPC214x.h" #include "pll.h" #include "vic.h" #include "Keys.h" //#include "armboard3.h" #include <math.h> #include "window.h" #include "adda.h" #include "sine.h" /* INITIALISATION COMPONENTS */ #define BufferSize 1024 // size of the buffer for // cosinus or sinus signal #define Threshold 10432 // threshold value for vector …  |
| | First,im sorry my bad english.I hope,i can tell my problem. there is a string: dizi[5]={1,2,3,4,5} and when program run, i want to change random place of members.i mean; first time program running: dizi[5]={2,4,1,3,5} second time program running: dizi[5]={5,3,1,2,4} 3th program running: dizi[5]={4,2,1,3,5} . . . etc.. always changes random.how i …  |
| | |
| | Hello guys , I am looking for a HTML parser in C/C++. I am trying to make a movie rater , which take name of movies from a folder and stores it in a file , then sort it according to their rating on net. So ,I am thinking to … |
| | Hey guys! I'm new to programming and C++ is my first programming language. I have studied books on the language but I know the real job is the application of what I have been studying. I am planning to do a project this semester that will help me to actually … |
| | [CODE]#include<stdio.h> #include<math.h> int main() { float a,x,y,w,g,s,area,b,c,hg,radius,ho; printf("enter the value of one side:"); scanf("%f",&a); printf("enter the lengths:"); scanf("%f%f",&x,&y); w=2*x; g=2*y; s=(a+w+g)/2; area=3*sqrt(s*(s-w)*(s-g)*(s-a)); printf("the area of the triangle is:%f",area); b=(2*area)/(3*(w+x)); c=(2*area)/(3*(g+y)); radius=(a*b*c)/(4*area); ho=sqrt((9*radius*radius)-(a*a+b*b+c*c)); hg=(2/3)*ho; printf("the diatance is:%f",hg); system("pause"); return 0; } [/CODE] the area comes right but the distance hg shows … |
 | Folks have asked numerous times for a code snippet of a binary search of an array. Here is heavily commented code with a few test printf() included to give you a picture of what is going on. |
| | [CODE]#include<stdio.h> unsigned long int call( unsigned long int); int main() { int t=0,i; unsigned long int n; // scanf("%d",&t); while(t==0){ scanf("%lu",&n); printf("%lu\n",call(n)); //t--; } } long unsigned int call(long unsigned int n) { long unsigned int a,b,c,x,y,z,m,l; a=n/2; b=n/3; c=n/4; m=a+b+c; if(m>n) { x=call(a); y=call(b); z=call(c); l=x+y+z; if(l>m) return (l); … |
| | [CODE] #include<stdio.h> #define MAX 4 main() { float A[MAX]; int i; for(i=0;i<MAX;i++) scanf("%f",&A[i]); return 0; } [/CODE] im using Visual C++ and doesnt give me any compilation error it keeps giving me a run time error after i enter the 1st number i can't figure out whats wrong :S help? |
 | Why do we have to suffix long literals by 'L' or 'l' even though we have specified the datatype ? Does it serve any special purpose? |
| | Hello, I need to implement a simple project: create a basic web-site to read online stream from my web-camera using its IP address. BUT I´d like to use my Arduino microcontroller and WiFly shield without using a laptop. Could please someone give an advise - links to related tutorials or … |
 | Hello :) I have written a os in C and assembly, but my os is only a text based os. How can i make it into a OS with GUI ? |
 | i want to go back to main menu while hitting escape key in my programme. for that i have make a function. [CODE]void exit (char[]) { if(char==27} { exit(0); } } [/CODE] but i have many user inputs which are of type int,float,char..... so i have tried, [CODE]while(kbhit!=27) { //coding … |
| | This is the problem: Create a program that will create in adding of multiple exxpressions. Use while, do while and for loop. Here is how the output should be: (You should be enterring a number first) *for example I enterred number 5 1 + 4 = 5 2 + 3 … |
| | I want to build a program for my c language project.What i need to do is that the user should enter the number of students,number of questions,correct answers,each students answers answers and then the program should calculate the number of correct answers,and their standing,the most wronged question . the problem … |
| | Hi, I've been working on a project that needs to list all the drives on a computer (it's kind of a file explorer, but without using the standard one provided by windows). I've searched and found the function [URL="http://msdn.microsoft.com/en-us/library/windows/desktop/aa364972%28v=VS.85%29.aspx"]GetLogicalDrives()[/URL], which does exactly what I want. However, the return value is …  |
| | Hii everybody I was building RPC based server-client application I have a struct called event contains int type long int time I have a function in a server that `return (*event)` event * log_1_svc(event *argp, struct svc_req *rqstp) { static event* result; result = (struct event*)malloc (3 * sizeof (struct … |
| | So my teacher asked us to make a problem. This was just passed to me by my classmate and this is the problem: [QUOTE]flow chart problem: a. Create a flowchart that will determine the sum of two numbers and if the sum is greater or smaller than 50. (0-50 less … |
| | Hey I have been kicking myself with this problem for a week now and i was wondering if anyone can help. I am implementing cURL to fetch source code from a website. I am using fairly common code to do so. If I implement the functionality in my main.cpp, it … |
| | Hello all, Actually i had a program which i was unable to solve i hope youll help me out and post your solutions. The program is: A Bowler is called the Best, if the average wickets taken by him during the year is 5 and above. The number of matches …  |
| | Before looking at the code, here's an explanation: NIDAQmx is a hardware-in-the-loop integration software from National Instruments. They give this sample code to create any voltage out of the card. The variable "float64 data[1]" is a double precision floating point that defines the actual voltage being emitted from the card; … |
| | Hi, I've just learned that Java's 'protected' access specifier has a different effect than that in C++. So is there a way to make a member of a base class visible to its inheritors but not globally? Dean |
 | Hi i have been asked to create a sample app which pulls data from a txt file. Then outputs it in another txt document depending on certain arguments. Write a console application called 'program.exe' that takes four arguments: 1. Input File 2. Output File 3. Log File 4. Product Codes … |
| | Can you help me for the following problem: Implementation of a program in C that solves the problem of competition between the four processes that share the source of the network card with the semaphore method  |
| | [B]Hello everyone!![/B] I am new to Linux forum and have a question related to typecasting in C related to offset of structures.I have a piece of code and having a problem with this: [CODE]void fun(struct c *p) { int offset; struct b *address; offset=(char *)&((struct c *)(&((struct a*)0)->y)->j)-(char *)((struct a … |
| | Hello Members, Can anyone please help me out with the concept of INSERTION AND DELETION OF ELEMENTS IN ARRAY.. I have understood the logic behind this, but i am facing problem with the coding thing.. i am not able to get it properly.. can anyone here pls help me out....  |
| | hi i need to help me to understand this code how its work and depend on what it determine how many time yopu should enter values [CODE]#include <stdio.h> #define SIZE 100 #define SENTINEL -99999 #define TRUE 1 #define FALSE 0 #define READ 10 #define WRITE 11 #define LOAD 20 #define … |
| | i have written following insertion sort program for a doubly linked list completely by myself.The the sort function is giving me Segmentation error and i am unable to figure it out...Plz help me out and forgive me if the code is too wrong to handle.. [CODE] //insertion sort using doubly … |
| | this is my program but this is not working well.according to me a window should be created and some text will be written there.but the window is not working please can any one tell me why?and how can i eject this error. mind that compiler is running the program correctly.. … |
| | hi i'm trying to download a zip file from a website then save it under C:\\ (directory) but when the file has been downloaded, and when i open it, it seems incomplete, besides why do i need to write in the file, i just wanna download it then save it … |
| | If so, how? I would want to save it as a .jpg or .bmp |
| | Hi, I use an msp430f16 and I want to calculate the execution time of a code (in milliseconds) any idea? thanks |
| | Hi everyone, I wrote something like that: [CODE] book *library = NULL; customer *service = NULL; do { printf("**********MENU***********\n"); printf("* #1 List of books *\n"); printf("* #2 Add book *\n"); printf("* #3 Search by title *\n"); printf("* #4 Search by category *\n"); printf("* #5 Search by author *\n"); printf("* #6 … |
| | After figuring out my past problem (no instance of an overloaded function), I've come across another problem. [IMG]http://i.imgur.com/SvX1l.png[/IMG] I've pinpointed the code where I know the error is originating from: [code] static int Decode_VL64(const std::string &data){ char* chars = (char*)data.c_str(); return Decode_VL64(data); } [/code] What I'm trying to do here … |
| | hi, can anyone provide me the C code for login in screen.I m using C(borland)compiler and working on xp. The requirments are following- 1.Should accept user name as user-1,user-2 2.Accept password(should not displyed on the screen) 3.A case insenstive coparison is to be done for usname and password. 4.Login name …  |
| | Hope someone could help me on this one, thanks in advanced! My objective is to repeat an input until the user hit/press the letter 'N' But the problem is when it comes to the part of answering the question: "Add Another Number? [Y/N]" the program stops! Here's my faulty code: … |
| | Hi, I just started unix programming . below are the two files i am using for reading/ writing from/to a named pipe called RNP. read.c is run on one terminal and write.c is run on other terminal. write.c is accepting the input , but read.c is not reading the input … |
The End.