19,876 Topics
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| | im solving a problem in linked list.how to check loop inside a linked list. i ve done implentation. always it goes without any error. but sometimes it encounters segmentation error. i dont find wny error or warning other than that.please try to help me figure out [CODE] #include<stdio.h> #include<stdlib.h> #include<string.h> …  |
| | int main(){ int near * ptr=( int *)0XFFFF; ptr++; ptr++; printf(“%p”,ptr); return 0; } Output:0003 why the op is 3 and how to convert 0XFFFF into its decimal equivalent? |
| | Hello all . Where could one find the dock panels and autohide thumbtack that is used in ms visual for the project manager and other stuff. I am using c++ forms in ms visual. So far i cant find any code for this, or any programs that contain this addition … |
| | I have been having trouble developing a function that frees all of the memory associated with structs of a linked list. Im not asking for a clear cut answer, just an idea or a function that can aid. F.Y.I. the linked list contains a head struct and a tail struct … |
| | when i had XP i used to be able to make my own card games using the cards.dll file for solitaire and freecell etc, but my probelm is now i have moved to windows 7 64 bit theses programs no longer work as there does not seem to be a … |
| | Hi all, I would like to call a makefile with a particular variable and value so that the variable is used to make decisions inside the makefile. Thanks |
| | hello i have a problem to solve for a commandline-programm: there are several types of inputs to get and these can look like: keyword1 <double> value1 <double> value2 keyword2 <double> value1 keyword3 <double> value1 ... I just can't figure out how to do it! thanks! |
| | Hi!!! I'm trying to pass 2d array to function and i can't. In general i'm trying to print chess board in action. The board is an integer.I need a function that gets 2d array in specific place and returns correlatedm char. const int pawn = 1; const int rook = … |
| | Hello all i am just getting into using windows forms. I have been looking around on the internet for like a day now and cant seem to find any good code on how to add a table with columns , rows and labels on the top of the columns. I …  |
| | Hi,I want to write a program that calculate the increment and new salary of employee based on the average of three evaluation points.(using pass by reference/pass by value). I've done the coding but the output is wrong. I think there's a mistake on the call function. #include<stdio.h> float get_increment(float *a); … |
| | What i'm trying to do is use a loop that prompts the user to re-enter a new string of numbers if what he previously entered is not within the specified range of 1-16. What I have is not working as expected. What am I doing wrong? [CODE] /* Program assignment …  |
| | I'm writing a program that takes records(first and last name,id and mark), reads them from a file and inserts the information in StudentRecord structures. For some reason,when I go to list the information, the first and last name strings in each structures are all the same. The first and last … |
| | I have to make a project, where the user can see the student's fee records. He can also modify, delete and add a new record. But i am getting problem while running it. Anyone can please help me :( here is my program #include<stdio.h> #include<conio.h> #include<string.h> #include<stdlib.h> int main() { …  |
| | if(strcmp(s.name, stdname)==0) is this statment is correct? i am having an error while executing this statment.. i have givn its headerfile |
| | I have to parse different fields of PAT table in this file... the file looks like this in hex editor... 47 40 00 10 00 00 B0 0D 00 00 C3 00 00 00 01 E0 21 63 0D 38 1E ...... ....... my code is [CODE] /*parse1.c*/ [B][COLOR="Green"] #include … |
| | How to delete a node in a Singly Linked List using a pointer that points to the node? (Assume that you cannot traverse the list to find the previous node) -- With Regards Vishnu |
| | Hi ,I am trying to implement merge sort with list and I have this error in this code [COLOR="Red"]invalid use of void expression[/COLOR] list<string>::iterator LIST_ITER; sz is the size of the list beg beginning of the list end end of the list Thank you in advance [CODE]void merge_sort(LIST_ITER beg, LIST_ITER … |
| | HI everyone, like my last post stated I am new to programming so be patient with me. I am having a hell of a time writing this program and I was hoping some of you might be able to give me some quick pointers on the structure I should use. … |
 | Hello my fellow Daniwebaholics! I know it is kindof off the wall, but I need help converting a piece of C# code to VB.net. I know a little C#, but not enough to be able to convert complex syntax from one to the other. Here is the code in C#: … |
| | The output of this code is "lice ice ce e". Seems to be string array is acting like a circular array. But how is it possible ???? [CODE=c]#include<stdio.h> #include<conio.h> void main() { int i,n; char *x="Alice"; clrscr(); n=strlen(x); *x=x[n]; for(i=0;i<n;i++) { printf("%s ",x); x++; } getch(); }[/CODE] |
 | Hi there) Guys - if anybody know about a good articles (or something like that - what will be usefull to read) on the topic "[B]file system driver[/B] creation -[B] C language[/B]" - please give link or advice). I need something not too sophisticate for begining. big thanks in advance) |
| | I'm a beginner to C and programming in general, so I have a question concerning an issue with my code. I want to be able to add binary numbers (represented as strings) taken from the command line. Currently, if I add the strings '1010' to '1101', my program returns '0111' … |
| | Why Does this code Leads to Infinite Loop????? [CODE=c]#include<stdio.h> #include<conio.h> int reverse(int); void main() { int no=5; reverse(no); getch(); } int reverse(int no) { if(no==0) { return 0; } else { printf("%d",no); } reverse(no--); }[/CODE] |
| | Could anyone please tell me whats happenning in line number 10 and 12. The output of this code is 2 and 0. [CODE=c]#include<stdio.h> #include<conio.h> void main() { int arr[3]={2,3,4}; char *p; clrscr(); p=arr; p=(char*)((int*)(p)); printf("%d\n",*p); p=(int*)(p+1); printf("%d",*p); getch(); }[/CODE] |
| | hello, I got the below exception while trying to update the datagridview after adding a record into microsoft access database: [COLOR="Red"]c# rows cannot be programmatically added to the datagridview's rows collection when control is data -bound[/COLOR] using below code: [CODE] private void btnAddOne_Click(object sender, EventArgs e) { string name = … |
| | I'm a college student learning how to program in C. We recently got an assignment to transpose a list of names. We have to read in from a file a list of names and print them out and write to a file with the names going downwards. I'm not asking … |
| | I have written a code to be able to produce an image where i can choose a background colour and then draw a line of chosen colour on top. The problem I am having is that I can't get the program to be able to produce vertical and horizontal lines … |
| | The result of this code is 65535 But I believe that for && both sides must hold true (rather one side being true is enough for ||) so how come the result is 65535 ????? when after 5++ the first condition becomes false ????? Thanks in advance [CODE=c]#include<stdio.h> #include<conio.h> void … |
 | #include<stdio.h> # define SQ(r) r * r main() { int x = 2; int i = SQ(++x); printf("%d\n" ,i); } In the above code, how the result will be 16. If i give r * r * r, the result will be 80. how can it be possible. can anyone …  |
| | Hi i am requiring some assistance on how to create a converter using the xcode, if someone could please provide some suitable material, books, links to relevant websites etc on how this could be done it would be very much appreciated. Warm regards Ryan |
| | I got an assignment to create a program to sort 10 students' data by grade (and if they have the same grade sort by name) using selection sort only(can't use any other method) in an ascending order. My problem is I can sort their grades using selection just fine but … |
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| | I am a beginner to computer graphics and I have to add animations to the image of my national flag which look like this. I have designed the flag alright.But I don't know what kinds of animations are possible and how. Could someone please guide me how to add animations … |
| | Ok... i ran my quicksort program on my college lab's machine (i dunno its config) and it took 4 seconds on avg to sort 1 million elements. I ran it on my lappy (4 gb RAM, Intel Core i5-2410M Processor (2.3 GHz)) and it took 0.83 seconds to run the … |
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| | This code is supposed to take two numbers, and multiply them, divide them and print out the product and quotient. ive checked it over numerous times and cannot figure out where my error is, when i type in a real number and 0, the result screen shuts off prematurely..can anyone …  |
| | I'm learning linked lists in C++. In an exercise I have to duplicate H time a give item. So I thought in this method: [CODE]void duplicaNodo(int item, int &H, Pnodo &L){ //duplica un nodo H volte, scorrendo tutta la lista Pnodo Temp, Temp2; if(L!=NULL){ if(L->info==item){ for(int i=0; i<H; i++){ creaNodo(item, … |
| | Hellow. I have 3 variables 1. string query; 2. public static OracleCommand oracmd; 3. public static OracleDataReader reader; I have used these variables in a function [CODE=C#] . . . public void PreviousValue() { query = " select * from....... "; oracmd = new OracleCommand(); .... .... reader = oracmd.ExecuteReader(); … |
| | [CODE] main() { char *p="dcis"; while(*p++!='\0'); printf("%s",p); } [/CODE] Why this is printing %s in my unix box with gcc 4.6.1 ? |
| | Hello every one...I have a project in which I must visualize different kinds of sorts in C by using GTK+ library. I mean it must show the numbers moving and getting sorted! I don't have any idea how to start and how to make the numbers move! I`ll really appreciate … |
| | Hello Daniweb users, i wanted to ask you guys , if you can help me with making a game with C++, Do you know how to do it? or any suggestions? I prefer RPG Game... So if you have any suggestions, could you help me? Thanks, Jordan  |
 | In my program you should be able to look around smoothly with the mouse, my code works, but I'm wondering if there is any better, smoother way of doing this. My code to get the mouse position as if the center of the window was 0,0 (LookAround() is the passive … |
| | [CODE]#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h> #include<dos.h> #include<math.h> void midline(int,int,int,int); void main(void) { int gdriver = DETECT, gmode, errorcode; int xmax, ymax; initgraph(&gdriver, &gmode, ""); errorcode = graphresult(); if (errorcode != grOk) { printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:"); getch(); exit(1); } setcolor(getmaxcolor()); int x1,y1,x2,y2; … |
| | I need an algorithm that finds how many prime numbers are in a set interval; the interval maximum range is 1 000 000 so a brute force method of checking every number is kinda inefficient |
| | I was just wandering if there was a way to put information in to a string but increment a section of the text when putting it in the string. To put it simply: [CODE]string="to be put in string[this is to be incremented]";[/CODE] I was wandering if there is a way … |
| | Hey, i want to enter a number by user. [CODE]printf("Enter a number: "); scanf("%d",&number);[/CODE] but,user enter text.i mean: [B]Enter a number:[/B] One Now,i want to convert this text to number. [I]I hope,i tell my problem.Sorry my bad english.[/I] |
| | please disregard this as i have figured out what was going on. i will delete this as soon as i know how. |
| | [CODE]#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h> #include<dos.h> #include<math.h> union REGS in,out; void hide_mouse(); void show_mouse(); void detect_mouse(); void detect(int*,int*,int*); void main(void) { int gdriver = DETECT, gmode, errorcode; int xmax, ymax; initgraph(&gdriver, &gmode, ""); errorcode = graphresult(); if (errorcode != grOk) { printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any … |
| | Hi there)) I know that one of the ways to pass variables values into thread -is to create a special structure which includes all needed parameters/ But what about getting values from thread? Is it any way to get value after modification from the thread ? I know only one … |
| | ********* ****s**** ***sss*** **sssss** *sssssss* Where "s" means space.. Need a simple syntax coz I am a new student. Help me fast. I am totally stucked here......... Thanks and best regards, Lost history:)  |
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