19,876 Topics
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| | [B]The Producer Thread[/B] What does a producer thread write to the buffer? Create 20 different files (named in0.txt, in1.txt, ... in19.txt). [Testing Hint: you want to be able to tell from the text which file it is from, so the contents should be aaaaaa or bbbbbbb etc..] Vary the length … |
| | Hello everyone I am new to this site. I have a university assignment in which I need to program a 2 player pacman game, using C and the Unix operating system. If more than 2 users have typed the command to run the program/s the users must wait in FIFO … |
| | PLease can someone help? I need to create a program that reads a list of units and names "eg ounce,gram,28" then asks for a user input, and then converts and displays the result. So far all i have been able to do is get it to read the first line, …  |
| | I'm supposed to make a program using getchar() to input the operation entered, then return the result of the operation after extracting the operands and the operator and calculating the result. if you enter 15 + 30 the result should be 45 or 15+30=45 Also using user-defined functions to do … |
| | Create a console-based application that computes the price of a desk and whose main() method calls four other methods a method to accept the number of drawers in the desk an input from the keyboard. this method returns the number of drawers to the main method a method to accept … |
| | Hi I have a structure of members uint x,uint y (name is "ruudud") declared as global variable. Iv declared structure and pointer to structure globally in following way: [ICODE]struct ruudud{ unsigned int x: 6; // 64 max unsigned int y: 6; }; struct ruudud *r_ptr;[/ICODE] Iv allocated memory in following …  |
| | hi i am looking for some code and step by step instructions for the c sharp encryption and decryption process. if anyone is willing to send me some instructions i would be grateful. thanks Neville |
| | i just want to know if there is any good example tutorials using http post and put requests ?  |
| | Hello all, I've a small question. I wanna use a function void myfunction(int **array1, int **array2) where array1 and array2 shoud be [4][4]. I've added 2 arrays int myarray1[4][4], myarray2[4][4]; and called my function like this: myfunction(&myarray1[0], &myarray2[0]); I've got the following warning message : warning: passing argument 1 of … |
| | If I have .txt file include 10 digits such as 0//start bit 1 1 0 0 0 0 1 0//parity bit 1//end bit If I put those into an array, how to check the first bit, the last bit and parity bit? How to convert the mid 7 digits in …  |
| | Hello, I'm making a simple C calculator using only getchar and putchar functions, my program works only if the arithmetic is entered correctly but if it's not, I can't make the proper error checking on it if the arithmetic is enteres improperly. EXAMPLE: 4 + 7 = 11 =====> Works! … |
| | quicksort.c [CODE]#include "quicksort.h" int compare( byte *a , byte *b ) ; void memswap( byte *s, byte *t, int count ) { byte tmp ; while (count-- > 0 ){ tmp = *s ; *s++ = *t ; *t++ = tmp ; } } byte *select_pivot(byte data[], int n , … |
| | this program i made.. should take an input 'no' from the user.. and print the following pattern.. 0 0 n+1 0 n+1 n+2 0 n+1 n+2 n+3 0 n+1 n+2 n+3 n+4 ....... n 0 n+1 n+2 n+3 n+4.. n-1 0 n+1 n+2 n+3 n+4 0 n+1 n+2 n+3 0 … |
| | #include "includes.h" #include "constants.h" #include "functions.h" int pscore=0,cscore=0,ppaddle=185,cpaddle=185,ballSpeed = 0,cpuPadSpd = 0,frame = 0; SDL_Surface *screen=NULL,*secondary=NULL,*playerscore=NULL,*cpuscore=NULL,*cpuwin=NULL,*playerwin=NULL; bool gameEnded = false,selectedDiff=false; TTF_Font *font,*humungo; SDL_Event e; //PongBall ball; void cleanup() { SDL_Quit(); SDL_EnableUNICODE(0); exit(0); } bool init() { if (SDL_Init(SDL_INIT_EVERYTHING) == -1) return false; if (TTF_Init() == -1) return false; screen = …  |
| | [CODE]#include<stdio.h> #include<conio.h> int main() { int no; scanf("%d", &no); printf("%d %d", no,no++); getch();return 0; }[/CODE] the output of this program is '4 3'.. my questino is WHY? this program should first print the number which is entered.. and then when it prints the next number it should add 1 to … |
| | i have a function that works for integers. e.g. typedef int Telem; int readValue(Telem *testdata) { if (scanf("%d", testdata)!= 1) return 0; else return 1; } now i converted the integer into a struct typedef struct Telem{ int entrytime; int cust_num; int waitime; }; how will i call this function …  |
| | Hi all, I am trying to code iterative implementation of bst. But I am encountering some problems as the stack is not updated as it should be. I am getting incorrect output.Some suggestions would be welcomed. [CODE] /*Operations to be performed:- ->Insertion ->Deletion ->Modification ->Search ->Minimum ->Maximum ->Predecessor ->Successor ->Inorder … |
| | All I have to do is take an array of n integers and run p threads to sort equally divided p blocks of the same and finally merge them. There is occuring some problem in my code. If I run the threads one by one, by using pthread_join's before next … |
| | Hello Sir, I have problem regarding time complexity of any problem, whatever program I make, the time complexity exceeds.Is there any way to reduce the time complexity of the program. If I use two nested for loops, order goes to O(n^2),is there any way to convert this order in O(n) … |
| | copy in your program and then run.. [CODE]void Ubaid(int x)[/B] //this is function x value is 5 or directly set x=5 { // x=5; for(int i=x;i>0;i--) { printf("\n"); for(int j=1; j<=i; j++) { printf("%d",j); } for(int u=i-1;u>0;u--) { printf("%d",u); } [B]}[/B] //start another from here that print the opposite for(int … |
| | hey.. Ive done a bit of java and im new at C... so forgive the inexperience/noobage here.. I got 2 problems, I want my program to read in 2 fractions and print the product.. and whenever I press enter without entering any value, ie. a null input, I want it … |
| | Hi Folks Is it possible to code a windows GUI application using C? (i.e. not C++) I haven't been able to find an answer on this, trawling thru googlized searches gives me tons of stuff for C++ and C# but not a word about if its even possible with plain … |
| | Hi, I ve been searching through the forum to find an answer, but have been unsuccessful. My problem is with an integration of an equation. i want to integrate a function say G(w) over w, from the bounds t to infinity. and further i assume that G(W)= F(w1)xF(w2)xF(w3) where F(wi) … |
| | Ok, so im trying to make my sister a flashcards program with dev c++. What you do is put in the deck name and how many cards you want. Then you go through for each card and put in what's on the front and back. I also want it so …  |
| | Hi I'm new to C++ and I'd like to make a program that responds to MIDI input from an external device (e.g. MIDI keyboard). I've found a library that should do what I want here: [URL="http://www.music.mcgill.ca/~gary/rtmidi/index.html"]http://www.music.mcgill.ca/~gary/rtmidi/index.htm[/URL]. I'm using VC++ 2010 Express, and I can't figure out how to actually use … |
| | Write a program that allows the user to enter a series of positive integers one at a time and in increasing order (using -1 as a sentinel value), and then computes and displays the median value of the data entered, as well as the number of data values entered. You’ll … |
| | Hi, I've been looking for a while for things that would give me random numbers under a value that I can specify (for me it's 5). I've seen [ICODE]rand();[/ICODE] and [ICODE]srand();[/ICODE]. I also know that[ICODE]srand()[/ICODE] is the seed and [ICODE]rand()[/ICODE] is the random number itself. Even the example programs don't … |
| | *ptr = 'hello world"; if we try to modify the content the result is undefined when i worked with gcc in unix. But i can modify the content in Turbo c. How it worked i got confussed. |
| | My contrive s neutral was to determine the hurrying of C compared to C++ (planning languages). I intellection that C++ would be faster, because it was codified many newly. Methods/Materials I utilized two books for testimonial, Herb Schildt's C++: The Staring Write, and Instruct Yourself C++, also by Schildt. I …  |
| | i cant seem to send my html file through a socket, when vere i connect to the server via web browser [url]http://localhost:7000[/url] it just freezes. and the server stops [CODE] open_ptr = open("/home/user/www/home.html",'r'); while((n = read(open_ptr,buffer,256)) > 0) { n = write( new_sock,buffer,256); } close(open_ptr); return 0; } [/CODE] |
| | Stuck on a program i've been trying to work on for the last few hours. A user enters 2 arrays, both are charater arrays with 5 spaces each. They are passed into a function that compares the 2 arrays to each other [I]character by character[/I]. If they are idenital the … |
| | int main() { while(1) { doesLove(you); } } doesLove(String str) { printf("I love %s!", str); } |
| | can any1 pls tell me how can i solve my problem? i'm running a c program that required the user to key in a int, but instead of keying in int the user key in char... and somehow the program stor the char n turn it into int... some even … |
| | I found numerous examples on converting infix expression to postfix expression but my program needs to include some functions like sqrt(x), min/max(x,y), fact(x), abs(x). abs(‐5) is converted to ‐5 abs 120 – (45+3) is converted to 120 45 3 + ‐ (3^2 + 4^5)*fact(3) is converted to 3 2 ^ … |
| | Anyone who have experience or any prior knowledge in Image processing (especially using C) please help me..I am looking forward to do a project on 'Video Indexing Using Text Extraction'. I do believe that it can be done by using 'Text Extraction from Images' concept.If anyone have some code for … |
| | The compiler is showing "not all code paths return a value" for the CalculateCharges. Help!! [CODE] public decimal CalculateCharges() { decimal pay; decimal decHoursParked; decHoursParked = Math.Ceiling(_hoursParked); if (decHoursParked <= 3) { pay = 4; } else if (decHoursParked > 3) { pay = decHoursParked * 2 - 2; } … |
| | So, I've heard rumors that you can write web apps in C++. Is that true? |
| | #include <stdio.h> main() { double fahr,cel; char again; do{ printf("Enter Dgree"); scanf("%lf",&fahr); printf("In Celsius that is %.1lf\n",(fahr-32)*5.0/9.0); printf("agian?"); scanf("%c",&again); } while (again =='y'); } I don't understand why this won't loop any ideas? |
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| | Hi everybody. I have a doubt in one of the command which is shown below. 1. I created my own adding and multiplication funtion definitions saved in two separate files named "sum.c" and "mul.c". The function calls are present in "main.c" ofcourse. 2. I got the assembler output files by … |
| | Hey Guys, first year compsci student and I'm struggling with 2D arrays. Here is my code: [CODE] double classAverage(int assignments, int students) { double average,sum; int row,col; FILE *input_file; input_file=fopen("grades.txt","r"); for (col=0;col<assignments;col++) { sum=0; for (row=0;row<students;row++) { fscanf(input_file,"%lf",&grades[row][col]); while(fgetc(input_file) == ','); sum+=grades[row][col]; printf("%.2lf\n",sum); } } average=sum/students; fclose(input_file); return (average)[/CODE]; int … |
| | I have this code but the floats wont print to the file. Everything else prints and works well but the floats i see 0.000. Can someone tell me where im going wrong. I already declare them in the struct as float apaid; float tpaid; [CODE] customer customerinfo(customer info) { FILE … |
| | Hi Guys, So I'm trying to experiment with threads, though I'm running into some problems. Basically I'm trying to create multiple threads, where each thread is passed a different set of data. In my small example below, I'm starting off with a vector<string> of data. Each element of the vector … |
| | Hi! I've been googlin' quite awhile now, and I haven't got any luck finding a C GUI library functions and explanations. Do anybody have a link for this? Or even better? a link on pdf file of GUI for C programming? |
| | I have no idea how can i make a problem..that will run.. can any body help me how to make my project nice..my teacher told me that it was so ugly..she wants me to do like.. when your typing a # it should appear a clue on the correct target..can … |
| | the goal is to add, delete, display dota heroes, and display specifics, and exit. thanks!! :) #include<stdio.h> #include<conio.h> #include<string.h> #define N 3 typedef struct{ /*Place fields here.*/ }name; typedef struct{ /*Place fields here.*/ }hero; typedef struct{ /*Place fields here.*/ }hero_info; typedef struct{ /*Place fields here.*/ }hero_rec; void displayMenu(void); void initialize(hero_rec … |
| | Guyz, I have been using codeblocks IDE (Latest Version GCC 4.x) for sometime now. For some weeks now Im facing some problem in it. When I build a program for the first time, it runs smoothly. Then I make changes and I build again, then it gives an error saying …  |
| | Hi, I am trying to pass a string to a MACRO using -D option in gcc. I am not getting desired output, below is snippet, please let me know what I am missing. $ gcc -o finame -D CORE="op1_log.txt" finame.c [CODE] #define STR(x) x int main() { FILE *fp; char … |
| | Hi I am designing an Installer Process Recorder application to integrate into a larger Build Management application i will complete at a later date. I wish to record the steps a user follows when installing an application, for example MySQL. For instance the user presses 'Ok' 'Next' 'I accept License' … |
| | I have to add 2 polynomial equations. Each are stored in linked lists. eq_1 and eq_2 linklists are added and the total is stored in eq_1 linklist. But the problem is when im trying to add both equations, the 2nd for loop(eq_2) is looping once only. I mean when eq_1 …  |
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