19,876 Topics
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| | hello . I have a problem. I have a variable DWORD num= 0x1234ABCD i want to convert it to char * for example- char * result[0]= '[the ASCII of 0x1]' result[1]= '[the ASCII of 0x2] result[2]='[the ASCII of 0x3] ... How can i do this?? thank you very much!  |
| | I am almost completely brand new to programming (been in my first programming class for about a month), and I am trying to learn stuff that my professor isn't teaching yet so that I don't get behind later, and I am doing this by writing simply programs and learning all …  |
| | Can some one please help me in writing a program for the INSERT AND DELETE operation on a BST, the operation functions must be NON-RECURSIVE ?? |
| | Hello, I've been looking for information on creating a chat server and client application, just the basics that would include: 1. Connecting to the server. 2. Displaying a "friends list" (like windows live). 3. Open a private conversation with a friend on the list. 4. Send messages from users to … |
| | Hi, I am trying to understand the Standard C function "getchar()". I am using CodeBlocks 8.02 in Windows XP. Please compile this code in your compiler and note how it behaves: [CODE]#include<stdio.h> int main() { int i=getchar(); while(i!=9) { printf("%d",i); i=getchar(); } printf("%d",i); return 0; }[/CODE] When I insert Tab, … |
| | ok I'm taking a text file.. 16 lines.. 6 character values per line and trying to randomly get one character per each line.. and place them into a 2d array (4x4). The values i'm getting aren't correct for some reason.. anyone have any helpful tips? [CODE] int main() { srand …  |
| | Hi All, Today I came across a peculiar piece of code. [code] int main(int argc, char* argv[]) { printf("%lf\n",(0.99-0.90-0.09)); } [/code] According to me the output for this code should be 0, but to my surprise when I ran this code the answer that I got was -0.000. I cannot … |
 | hello, Here's a simple question I want to clear up. We all know that we can use the name of an array as the pointer to that array, and that a pointer holds the address to the variable named. What I'm doing is this [CODE] //somwhere in the code uint8_t … |
| | Hi to everyone here! I'm a newbie! I just wanna ask help from you especially from the administrator regarding my machine problem..... I am asked by my proffesor to create a slot machine program. This is how it goes... The simulation starts by presenting the player with a menu of … |
| | Can you please give me a list of all of the % letters that go with int, floats, and doubles in printf and scanf. |
| | i need help about the String codes.... its about how to delete a string.. like for example it displays like "The Dogs and Cats" the program wants the user to choose what to delete like i want to delete the Dogs.... and the result is now "The and Cats" cause … |
| | i am getting linking errors while i try to program graphics in turbo c "unable to open file tcclass.lib"please help |
| | Im trying to make a program that will sort the the list according to its cost...from least to expensive... here's my code: [CODE]#include <stdio.h> #include <string.h> typedef struct resto RESTO; struct resto{ char *name; char *address; float cost; char *food; }; void output(RESTO r1); int main() { RESTO r1= {"Coras","Agora",60,"BBQ"}; … |
| | I'm trying to convert a double w/ a string of characters w/o using sprintf and padding w/ 0's.. omg... driving me nutz.. what I have thus far.. [CODE]#include <iostream> #include <cstdlib> #include <cmath> #include <deque> using namespace std; void d2s(double,char[], unsigned int); int main() { while (true) { double num; …  |
| | This is a basic calculator I made in C++. I am learning C++ on my own. [CODE] #include <iostream> using namespace std; float Add (float &a,float &b) { float c; c=a+b; return (c); } float Subtract (float &a,float &b) { float c; c=a-b; return (c); } float Divide (float &a,float … |
| | i'm doing a payroll system and i have finished it but i need some eror checking reports for name and integer but i'm going to do the integer first which wll input hours of a day from monday to friday what i need is a loop along with error checking … |
| | Hello C#ers, I apologize for the rudimentary question but I did not realize my issue till now. I have a large csv file some 214MB. Initially I made my program readalllines and it takes forever. I understand to fix this problem streamreader can help. However any of the tutorials I … |
| | i have a few questions.: 1)if i wanted to write a line of code needed to declare a 1-dimensional array named names that can hold 8 string values would this be correct?: char names[8]; 2)how would i write the code needed to assign strings to each element of the array … |
| | I have to lines listed.. a cin >> x and a scanf("%f",&x). If I use cin program works perfectly.. change it to scanf and values arent' even corect any longer.. different decimal values all together.. anyone??? [CODE] #include <iostream> #include <cstdlib> #include <cmath> using namespace std; double ApproxCos(double,double); int main() … |
| | i have a problem with this code iv been try lots of expressions to show elven thousand to nineteen thousand and nothing seems to be can you guys help me out tnx in advance [code] #include<stdio.h> int main() { int n,teens,thousands,hundreds,tens,ones,tthousands; printf("Enter a number: "); scanf("%d", &n); tthousands=n/10000; n=n%10000; thousands=n/1000; … |
| | Hello everybody! I am trying to create folder's which will contain files and lastly all these files will contain texts. My problem is that am not able to create this folder into a specific location or pathname!!! Here is the code, please advice accordingly: [CODE] #include<stdio.h> #include<sys/stat.h> int main() { … |
| | Hello all, Here I intend to reverse a line of text ending in a newline, but only the individual words will be reversed, not every character. For example, "This is just a test." would output ".test a just is This". The code as stands prints a space for every character … |
| | [CODE] #include<stdio.h> #include<conio.h> void main() { int n,f; f=1; printf("Enter the number:\n"); scanf("%d",&n); while(n>0) { printf("%d",n); f=f*n; n--; } printf("The factorial of the integer is:%d",f); getch(); } [/CODE] |
| | hi all plz explain me with syntax "how to pass pointer to a function or pointers to a function " . plz tell me if there any big tutorial which can solve my problem providing a deep knowledge about it . and one more probim : what is incorrect int … |
| | hi guys.. can cayone pls tell me how to accept images in c as an input and process them further for compression using jpeg algo. pls help me as i'm stuck up in the beginning of the project |
| | Ive been working on a Game of Life simulator in C for my programming class. Essentially, it needs to take a single line of input and print out a nice grid of x's and o's (representing live cells and dead cells, respectively). I need to input the grid size, the … |
| | Hello, I am working with variable arguments and I have no problem using them with Integer, Float or char arrays. But when I try to use String arrays, it is a multidimensional array and I am not sure ... I am calling a function with variable arguments, one of which … |
| | I am running into problem on getting this program done. Its suppose to quiz you on your 2 powers ie(2^2 = 4, 2^22 = 2m, 2^46 = 32t) I've programmed in python for a couple years but a lot of the tricks python lets us have C++ doesn't or I … |
| | Hey guys, been to the forum a couple times but never posted. Thought I'd give it a try. So my problem is basically this. I'm to create a program which reads a line in this form "-6 1 2 3 6" "-10 1 2 5 10" -6 being a perfect … |
| | Is there a way to hide assembly code when my C code references a library function that deals with memory? (Not showing 'asm' code)?  |
| | What is the keycode of "Escape" while using curses.h???? is it KEY_EXIT?? I hv used this bellow but when i press escape, it prints "^[" instead of stopping the loop! and when i press "g", it does what i want the code to do when "escape" is pressed!!...Help! I am …  |
| | here is my script: [CODE]#include <iostream> #include <cmath> int main() { using namespace std; int who; cout << "how are you today? good, bad, or eh?" << endl; cin >> who; if (who == "good") { cout << "ahh thats pretty cool i guess..." << endl; } if (who == … |
| | I am writing the game of life code. Now this is running for smaller size of matrices, but I need this to run for big matrices. So I need to deallocate the memory somehow. I tried it with the //deallocate part at the end of calculate(). But now its showing …  |
| | I am currently trying to generate a program using a double nested for loop to get the following output: >Please enter the maximum integer value you wish to find divisors: 10 >List of divisors of the integer between 1 and 10: >divisors of 1: 1 >divisors of 2: 1, 2 …  |
| | Hello everybody, I was trying to make a telephone directory, when I ran in to several problems with the compiling. When I fixed these, I saw that the programm wasn't working as I want it to work :) Can anyone tell me what I did wrong, and try to help … |
| | i already did a program that encrypts letters by skipping 1 or 2. but now i need to make a program that encrypts a word, using substitution. I already try several things but i can't get it work. can anybody help me? for example the normal key is a,b,c,d,e and … |
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| | I am new student in c programming class and I have to do a program that shows "currency Conversion" and then make a flow chart and control sheet. |
| | Is there any character that takes cursor to previous line? printf("H\n"); will print H and then take cursor to newline(1 step down). output: ............ H _ ............ But is there any control character that will work in the following way: printf("\nH(the character i am finding)"); takes cursor in newline, prints … |
| | [b]Split from - [url]http://www.daniweb.com/forums/thread33991.html[/url] [/b] Hi, I need a logic to align 10 variables in different order every time a user logs into the application. Thanks in Advance :) |
| | I have a program for school. The program is an inventory program. It will start by writing blank records to a file. The user then should have a case drive menu. The user will select an option for what action they desire. Actions are add new record, change record, and …  |
| | I've been given an assignment in class to take some code and work on improving the optimization, we can either write new code or use old code. For some reason I can't think of anything that would be a good example of code that can use multiple optimization techniques, I.E. … |
| | I am having issues with outputting a string correctly that is coming from a 4K read buffer. Here is the code I have currently: read_4K.c (cannot be modified) [code=c] int read_4K(char *b) { return read(0, b, 4096); } [/code] reader.c [code=c] static char Buffer[4096]; static int Bend = 0; static …  |
| | hi, i am doing a project in c(linux).the topic is authenticating and authorizing the client before accessing the file from the server.i already wrote the code for creating a client and server with allowing access to 10 client.for authentication if u cant give some tips or code please do reply. |
| | Hi, I got this code for computing permutations of a string from the programming interviews exposed book. I am unable to think as to how recursion works in this case. Now, if the input string is "hat", then I have understood the sequence of recursive calls that lead to the … |
| | [b]Split from - [url]http://www.daniweb.com/forums/thread47395.html[/url] [/b] [QUOTE=rhp405;226272]Ok, here's the solution. When you have a pipe open in parent process, you have to close the pipe before waiting. It has to do with the file descriptor counters of the pipe ends, they have to be zeroes to not cause a child to … |
| | Hello People, Does any one have any practice problem sets for C. I am interviewing for a company tomorrow and they ask lots of "Whats the output ?" kind of questions.. Any help would be appreciated |
| | I have a few C# questions too, but this is mainly an ASP problem I think. All the code I mention below takes place in the code-behind of my Master Page. I worry a lack of knowledge on master pages may be the problem too. Excuse the database name; my … |
| | [code=c] #include <stdio.h> int main() { char name[50]; printf("enter your name:"); gets(name); puts(name); return 0; } [/code] hello, the above program should first print out "enter your name:", but it does not. it occurs in this way on the console: --------------------------- abc enter your name:abc --------------------------- it prints "enter your … |
| | #include <iostream> using namespace std; int num, factorial; num = 6; factorial = Fact(num); cout << num << "! = " << factorial; return 0; } // end main int Fact (int num) { if (num == 0) return 1; else return num*Fact(num-1); } //end Fact int main() What is … |
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