19,876 Topics
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| | Hello all, I was trying this problem of checking if the input integers can be ordered using the STL implementation of the stack. The program reads from a file named "input.txt" which in its first line has the number of integers that follow in the second line. The second line … |
| | Hello there! I just start to learn the basic of C++ in/output functions. I wrote a program: [CODE]#include<iostream> using namespace std; int main() { int ptype; char options; char finops; do{ cout<<"Select a printer type: "; cout<<"\n1. HP printer"; cout<<"\n2. Dell printer"; cout<<"\n3. Brother printer"; cout<<"\nYour choice : "; cin>>ptype; …  |
| | SORRY I TRIED TO INDENT THE CODE BUT IT DIDNT WORK OUT I am trying to make a binary tree for conversion of postfix to infix. the binary trees class is as follows WHAT I HAVE TO DO AND WHAT I AN HAVING TROUBLE WITH 1) READ A POSTFIX EXPRESSION … |
| | Hello, I am working with genetic programming for classification techniques in data mining. I am not very much clear about how to perform genetic programming in C. Can i please get some sample code of genetic programming... An example program for any application would be fine. I just need some …  |
| | Hello, I am working on a program where I need to be able to send a file over the network to another computer. I would like to have a sort of system setup where each computer that is running my program will show up in an "address book" of sorts, … |
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| | Hi, I'm writing a C++ script and part of it is to connect to an SQL Server. C++ is new to me so I'm still working my way around. Any help would be greatly appreciated. Many Thanks  |
| | I got the problem with this code.. can anyone explain me the output.. main() { int i = 258; int *iPtr = &i; printf("%d %d", *((char*)iPtr), *((char*)iPtr+1) );} |
| | Hii I have developed a code in which i have two check those 2 digit numbers whose 3 times sum is equal to the number eg:-27=3(2+7) [CODE] #include<conio.h> #include<stdio.h> int main() { clrscr(); int a,b,n; long sum=0; loop:for(n=24;n<=28;n++) { a=n/10; b=n%10; sum=sum+(a+b); } if(n==(3*sum)) { printf("%d \n",n); } else { … |
| | Hi people im new here. I want to work with security but i got many issues with this simple program. I want to encrypt and decrypt a msg with openssl cmds. Btw im using pipeline and process open (popen) function. Im using Fedora gcc to compile. Any help, recommendations will … |
| | So from what I've been taught, in school and in books, all C programs(I assume C++ too) always have main(). That's very explicitly mentioned. However in my poking around with some relatively large open source projects in hopes of learning something, it isn't as straight forward. What I've encountered was …  |
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| | I know C++, but I'm trying to learn C. Anyways, what am I doing wrong here. If I delete the line with 'scanf', it will compile so obviously I'm doing something wrong there. Anyways... [CODE]#include <stdio.h> int main() { int x; printf("enter a number\n"); scanf("%d", &x); printf("Your number is: %d\n", … |
| | need a[CODE][/CODE] in C that converts any given BCD to GRAY Code, and any given GRAY to BCD. I am a started so little halp ;) |
| | Hey, I need to know what identifier i can use instead of string that will output all of the words that you type in the program. For example: if i was to use string ans1; cout <<"How are you?: "; cin >>ans1; and for my answer i typed "very good"...it …  |
| | Hi, I got a doubt about for loop while i was thinking about time complexity.... Is increment operation in for loop a two steps operation i.e., increment i and assign it the i or an one step operation just like just incrementing it? Is there any pointer operation involved in … |
| | Hello. I have a file merg.txt: [COLOR="Red"]1 3 11 14 1 5 8 13 1 1 9 10 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 12 13 3 3 3 3 3 3 3 3 3 3[/COLOR] |
| | Ok... I know that this is probably a stupid question.. but does VS2010 have a built in C# dev enviroment... I looked and looked, then googled and googled and I can't find if it does or not.... btw I'm using the free profesion student edition from [url]https://www.dreamspark.com/[/url] if that's any …  |
| | I need to get the current time from Internet using C language. Any help is appreciated, hopefully a source code sample. Thank you in advance. |
| | Hi, i would like to enquire if there is a tool out there which will convert c# project to a vb.net source? I think it is possible , but i do not know which tool to use.. Thanks in advance . :) |
| | Title says it all: I am wondering in what kind of situations a programmer would use a union vs using a structure. I'm pretty new to this stuff and my book only devotes about 2 pages to Unions so it isn't the best source of info on Unions really, but …  |
| | I've been trying to code a link list in c and though it seems fairly straight forward I'm getting strange output. My link list nodes: [CODE] struct OBJECT { int Status; struct OBJECT *P_LINK; struct OBJECT *N_LINK; struct VALUE *P_VALUE; }; [/CODE] Link list [CODE] struct llist { struct OBJECT … |
| | I have a C# App with a form which has a groupbox containing many controls. I have the groupbox anchored Top/Bottom/Left/Right to ensure that it sizes appropriately to the users screen resolution. This app was developed on a machine running Windows XP and it has been working flawlessly for over … |
 | well...i tried in google...but actually i didn't quite get it. :) [url]http://www.thinkage.ca/english/gcos/expl/c/lib/fflush.html[/url] in the above link they are saying, user should definitely NOT write code of the form [CODE]printf("Prompt: "); fflush(stdout); gets(s);[/CODE] but before we used fflush after printf...for example [URL="http://www.daniweb.com/forums/post1168561.html#post1168561"]here[/URL] jephthah gave a solution where he used fflush after … |
| | I wanted to know the advantage of consts over macros. And I found the line "The main disadvantage of macro is it doesn't do type checking.". Is it not an advantage of macro? So that I can #define any constants without a limit. Can you pls explain me why it … |
| | hi, i wrote the following piece code to create a new bitmap file with random RGB values. I wanted to copy the header from the input file. the problem is it adds two additional bytes to 3rd and 4th (just after the magic number). i can't figure out why. // … |
| | hi pros am new at C# and under graduate student. am stuck several hours. i have latitude,Longitude values from a server or gps device, they appear in textboxes and stored in mysql at the same time. i want to use the same latest values to map directly to google earth. … |
| | I am trying to port some software from an embedded product into the windows environment using VS2010. Its C code and it has 2 threads that send messages to each other. Whats the best method for communication? I am having a hard time finding the right way to do a … |
| | Let's say I have a string with 1+5*9+4 etc.. whatever it may be. How do I use C++ do calculate this? I know recursive functions work here, but how? I figured I could loop ..searching for the * first ( higher precedence ) and then the +. No idea. Would …  |
| | Hi i got some problems with c pointers...feelin trouble to get through it..here is a problem .anyone plz explain the solutin to me.. #include<stdio.h> main() { int arr[3]={2,3,4}; char *p=arr; p=(char*)((int*)(p)); printf("%d",*p); p=(int*)(p+1); printf("%d",*p); } |
| | Assignment You are to write a program that will convert any base 10 number a to any base b. Input two values, the first in base 10 and the second value is the base that is to be converted into. Bases only between 2 and 9, and flag invalid input. … |
| | Hi, I am trying to create a UDP broadcast server so that I can send out data to every computer on our local network for aircraft testing. I can get every component of the system to work except for the broadcast part... As I understand it, if I want to … |
| | [CODE]#include<stdio.h> #include<conio.h> void main() { int x=01234; printf("%d",x); }[/CODE] the above c code will produce output 668(value of x) why? |
 | Here is the codes for Binary Search and Linear Search. [B]Binary Search[/B] [CODE] #include<stdio.h> int main(){ int a[10],i,n,m,c=0,l,u,mid,j,x; //variable assigning printf("Enter the size of an array->"); //Entering the size of the array scanf("%d",&n); printf("\nEnter the elements of the array->");//Entering the array elements for(i=0;i<n;i++){ scanf("%d",&a[i]); } for(i=0;i<n;i++) { //loop to sort … |
 | I'm trying to use DirectX 10 with the C interface and it was going fine untill I did this: [code=c] IDXGISwapChain_GetBuffer(r_swapchain, 0, __uuidof(ID3D10Texture2D), LPVOID(void**) &back) [/code] The problem is that the __uuidof operator is only valid in c++, what should I pass in there instead of the __uuid ? |
| | HEY...I M INTERESTED IN C...& WANT 2 MAKE MY FULLY CAREER IN C..PROG.LANG...& there is no other choice!I M currently DOING MCA. SO...SUGGEST ME...& IS THERE ANY CERTIFICATION COURSE IN IT...TO CHECK MY COMMAND ON IT....PLEASE...PLEASE.... |
| | heyy pplz I'm new to programming and C just now decided to set myself a project and chose to make a simple roulette game so far i got a basic idea but would require too much code and am sure there must be a simpler way.. if anyone could help … |
| | My teacher just told us that we have to write this program that it will compile in ".c" i was taught ver little in my intro about c++ however i dont know how to write in .c and although i told my teacher he insisted that i read the book … |
| | Hello, I get this error when I try to run my code "Cross-thread operation not valid:Control 'dataGridView1'accesses from a thread other than the thread it was created on" File Name Form.cs I have method call FillDataGrid() [code] FillDataGrid(string msg) { string[] data = msg.split(';'); string Name = data[0]; string LastName …  |
| | hi i was compiling a program in linux , the program had conio.h file which is generally used in turbo c in windows. now the program is not compiling and giving errors. so what is the substitute . as clrscr() cant work without this file.  |
| | I'm having trouble getting this program to work for roman numeral conversion. I hope it says that i have one error, which is C2110: cannot add two pointers. here's what i have so far... ANY help would be great, thanks a bunch! :) [CODE]#include <iostream> using namespace std; int main() … |
| | i want to learn the complete working of pointer in c. i tried it many times but it is very difficult so please help me. |
| | [CODE]#include<stdio.h> #include<conio.h> #include<string.h> #include<ctype.h> int main() { char org[50],r[50],m[50],a; int i,j,c=0,length=0,h=0,g=0,z; char token [3] [20] = { "void", "main", "int"}; printf("\nenter a line:"); gets(org); for(i=0;org[i]!='\0';i++) { length++; } for(h=0;h<3;h++) { for(g=0;g<length;g++) { z=strcmp(org[g],token [h]); if(z==0) printf("Keyword:%s\n\n",m); else printf("NO_Keyword:%s\n\n",m); } } printf("\n"); system("pause"); return 0; }[/CODE] it is showin this warning....[Warning] … |
| | In chain hashing how can the order of deleting a node in double linked list be O(1) it should first check for the slot which is of O(1)and then it should check for the element to be to be removed in the linked list pointed by that slot which is … |
| | I'm writing a simple cryptography program that uses ISAAC, and I've run into a wall. I am planning on XORing each of my input bytes with 1 random byte each that gets returned from the ISAAC PRNG. This is basically what I'm trying to do [CODE]while(input character != EOF){ read … |
| | Ok, I've been trying to research this, but have had no real luck for my level of understanding. I've been programming C++ for a while and have decided to learn DB programming (just because I want to). Anyhoo, I am unable to figure this one out: I have a simple … |
| | I have the following code for shell sort (recursive) given in the question where t[ ] is an array to be sorted, n=no of elements initially. h is any large no initially,say h>n. [CODE]void shell_rec(int t[],int n,int h) { int aux,i; if(h<=0) return; if(n>h) { shell_rec(t,n-h,h); if(t[n]<t[n-h]) { aux=t[n]; i=n; … |
| | can any one tell me what is the advantage of using double linked list over single linked list in chain hashing during deletion and searching of the node??? |
| | Hello!I'm new in this business(c learning ),for a month or so.I'm trying to learn C and so far i think i'm doing well.I have a friend who's helping me and giving me tips...the last time i meat with him he gave me a task:i have a garage with 3 floors(1,2 … |
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