19,876 Topics
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| | Good Morning, For the last few weeks I've been searching HIGH AND LOW. All forms, dozens of tabs open, and bought about 200 bucks in books. My goal is to learn the windows win32 API and I'm hitting brick walls everywhere I look. So far, I've learned that findwindow (or …  |
| | #include <iostream> #include <iomanip> #include <stack> #include <queue> #include <vector> #include <fstream> using namespace std; class graph { public: graph(); graph(int); //graph(int, int); void setEdge(int src, int dst); void printGraph();//print graph void bfs(int);//Breadth First Search void dfs(int);//Depth First Search void bfsSpan(int);//Breadth First Search Spanning Tree void dfsSpan(int);//DepthFirt Search Spanning Tree … |
| | the last array array 3 is not giving me the desired output. i see no logic errors therefore i do not know why i am getting the wrong output. #include<stdio.h> int arr1[5]={55,145,950,25,500}; int arr2[5]={44,58,98,25,62}; int arr3[5],array1,array2,array3; int i=0,j=0,k=0; for(i=0;i<5;i++){ array1=arr1[i]*2; printf("array 1 doubled is %d . \n",array1); //i++; } for(j=0;j<5;j++){ …  |
| | How would I go about making this table? ID Type Value X int 4 Y int 4 Z float 0 This is the only way I can think of but I don't think this will work. int main(int argc, char *argv[]) { char *strings_line1[3] = {"ID", "TYPE", "Value"}; char *strings_line2[3] … |
| | Ladies and Gentlemen Coders, I'm working with the code below: int GetDrives(void) { wchar_t LogicalDrives[MAX_PATH] = {0}; DWORD r = GetLogicalDriveStringsW(MAX_PATH, LogicalDrives); if ( r == 0 ) { printf("Failed to get drive names. %ld", GetLastError()); return 1; } int NumDriveCount = 0; if ( r > 0 && r … |
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| | A C/MPI program that is executed using two processes. Process 0 hold a 4 × 4 array A that contains the floating-point values shown below. 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 A[4][4] 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 What is the ordered sequence of the values … |
| | after writing a c program and running it,it shows that fatal error:abort(programcollect2).......i have correctly installed codeblocksmingw version......but not compiling  |
| | Hello, Is there any limitation for the length of array variables in C++? Can I specify the length as wanted or is there any limitation for the array length? What should be the array length, if the length is not known. wchar_t commandString[10000]; Cheers |
| | Hi, I needed some assistance on this program I am working on. First its about putting airplanes into gates, if no gates are open the print airport full. Right now mine simulates all the arrivals and departures. I show it put it will change when I implement the Stack. The … |
| | In below program both **if statements gives an error** #include<iostream> #include<conio.h> using namespace std; class operation { int bank_id,balance; public: int input() { cout<<"enter the bank_id "; cin>>bank_id; cout<<"enter the balance "; cin>>balance; } operation operator ==(operation p) { operation b1,b2; b1.bank_id=bank_id+p.bank_id; b1.balance=balance+p.balance; b2.bank_id=bank_id+p.bank_id; b2.balance=balance+p.balance; if(b1==b2) { return b1; } … |
 | I am using C language to encrypt a text file and decrypt it by the means of an AES Algorithm. This algorithm can only encrypts characters if they are stated in the format of an unsigned character where a letter A is represented by 0x41. what i am trying to … |
| | Hi all, I was wondering how to access individual elements in the below case: char *three=(char*){'2','5','8'}; If the assignment were like this: char *three="258"; it can be accessed with three[0],three[1].....etc. How to access in the first case? |
| | #include<iostream.h> #include<stdlib.h> #include<conio.h> void main() { clrscr(); //char serial[]="EXAMS"; //int number[]={69,66,67,68}; randomize(); char planets[][10]={"Mercury","Venus","earth","Mars"}; //cout<<number[random(1)]; for(int i=0;i<4;i++) cout<<"::"<<planets[sizeof(char)+random(3)-1]; getch(); } How to calculate the output for it. Options: 1::venus::mercury::mars::earth 2::earth::mercury::venus::earth:: 3::mercury::earth::mercury::earth 4::mars::mercury::venus::earth |
 | Hi, Im trying to include the feature of automatically generating a word document through C# using a pre-defined template. Im able to insert 'mailmerge' fields in the word template documents at specific locations, and accessing these through the code in C#. I can update the values of these fields, no … |
| | Hello , I want to ask why I am not receiving the same result using either the `if` with `break` inside the while loop ,either the `while( x!=X && y!= Y )`. #include <stdio.h> #include <stdlib.h> int sol( int X, int Y ) { int x = 0, y = … |
 | One of the questions given to us for the lab exam was to generate the first 10 armstrong numbers. I could generate upto 5 numbers correctly..the rest are wrong. [code] #include<stdio.h> #include<conio.h> void main() { int n=1,a,b,i=1,r; clrscr(); while(i<=10) { a=0; b=n; do { r=b%10; a=a+r*r*r; b=b/10; }while(b>0); if(a==n) { … |
| | Hi all, I am doing some basic experimenting with ENCOG ANN, but am having issue following a simple walthough. At this stage I am simply trying to grab data from a CSV and normalise it. My code is: string filename = "spots.csv"; var format = new CSVFormat(',', ' '); IVersatileDataSource … |
| | OleDbConnection cn = new OleDbConnection(); cn.ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\`Hp\Desktop\PROGRAM1\notificationSystem\notificationSystem\Database.accdb"; OleDbCommand cmd = new OleDbCommand(); cmd.Connection = cn; //reg(); cn.Open(); cmd.CommandText = "select article from news where npublished = '" + metroDateTime1.Text + "' AND ntime = '" + label4.Text + "'"; //AND ntime = '" + label4.Text + "' //Scalar … |
| | Just started learning MPI and all, need a little help with it though. int main( int argc, char *argv[] ) { int rank, n; MPI_Init( &argc, &argv ); MPI_Comm_size( MPI_COMM_WORLD, &n ); MPI_Comm_rank( MPI_COMM_WORLD, &rank ); int a = rank; int b = 0; int C[n], D[n]; for ( int …  |
| | https://www.daniweb.com/community/contribute# #include <stdio.h> #include <iostream> int main(int argc, char*argv[]) { int my2d[5][4] ={ { 36, 14, 41, 24}, { 47, 47, 49, 15}, { 40, 23, 29, 49}, { 17, 23, 7, 7}, { 48, 43, 35, 12} }; int result = 0; // avg int avg() float sum=5.4; for(i … |
| | HI, i'd like to do a simple calculator in c. i write this program but all the results about subtraction ( SOTTRAZIONE) are not correct. can you told me why? thanks you so much `Inline Code Example Here` case 2: printf ( "the subtraction of these n numbers is : …  |
| | I am creating multiple C++ DLLs which have a C wrapper around them for use by an external application. I wanted to have a single error handling library that each DLL has access to. If I created the error library as a static library and then include it in the … |
| | I having a problem which i cannot compare the deck 1 and deck 2 anyone can help me? #include <stdio.h> #include <stdlib.h> #include <time.h> #include <stdbool.h> // #include the std boolean library #define CARDS 52 #define DRAW 104 //The program will first open Deck 1 then Deck 2, after Deck … |
| | Hi, I fail removing some carriage return, (\n\r i guess) from a god file which brings that the software where i'm exporting to is crying.. if i manually remove the CR from notepad, no problem i'm googling around for nearly 3 hours now on every possible way i can imagine … |
| | Following is a matrix multiplication code written in MPI (Message Passing Interface) which could be run on CPU cluster for parallel processing. This has been successfully tested with two square matrices, each of the size 1500*1500. |
| | hii, it may b very simple or very basic thing but iam confused in this case...any one can explain usage of single & double quotes in **echo** statement <?php $x = "test"; echo '$x';//produces $x as a output echo "$x"; //produces test as a output ?>  |
| | I have problems with the following program which is long to post at once so I will explain what are the problems step by step. 1. Define two structs that represents books and a bookstore as following: typedef struct { char id[14]; char title[16]; int availableNumOfBooksWithSameTitle; }BOOK; typedef struct { … |
| | HI, I am new to C# programming, I am trying to populate data from databse using adatpter and dataset. I am missing some part in my code, that fails to update selected item at selectindexchnaged. Same part works fine at every form_load. DataSet sdnew = new DataSet(); SqlConnection conn01 = … |
| | Write a program that will print all highly prime numbers from the input interval <a,b>. Prime number is highly prime if deletion of every digit from right is a prime. Example: 239 is highly prime because 239,23,2 are primes. Could someone point out what are logic errors in the following … |
 | hello friends sorry for posting this basic question here but i can't figure it out why my variable "tasse" is getting 8 or (the value of variabale i) in this code below. #include <stdio.h> int main(){ int leght = 15; int tasse =0; int random; int array[15]={1,5,4,7,8,5,1,0,9,7,0,0,5,4,10}; int i,j; for(i=0; … |
 | Hello, I am having a bit of an issue with my networking addition to my game engine. The engine uses SDL to provide an event-driven programming environment. I tried adding networking functionality, but it doesn't seem to work. Here is the relevant code: //includes #if defined(_WIN32) #include <winsock2.h> typedef int … |
| | I need to write a C++ program that declares an array of type integer of size 10.The user will enter the number of integers N to be stored in the array. The program should have a number of functions each of them will at least take two parameters.These functions are … |
| | Create doubly linked list that has the following information about **books**: **book_id, book_name, author_id, book_price**. Sort list in ascending order by **book_price** using bubble sort algorithm. Delete all books with the smallest and the largest price. How to modify the following program such that the sorting is done using bubble … |
| | Hello friends i just have one question i want to make my own android OS customized version or even one day make entire own OS, so i wanted to know for the android OS i must learn JAVA ? or c/++ ?? |
| | So my next problem is what mac is right and reliable for me? I will be using my mac for: - Writing word/pages docs - Programming in C++ , Objective-c , Java and more - Game development - Powerpoint/keynote presentations - A little bit of PhotoShop - Music and personal … |
| | Hi , Below is the code for printing even/odd numbers alternatively.But some how i am not able to achieve the result. I have seen a version with while loop http://www.bogotobogo.com/cplusplus/quiz_multithreading.php working perfect. But i would like to use one thread for printing one value instead of same thread running in … |
| | My understanding of code blocks is that it uses gcc. So I am curious why gcc allows you to have a function called itoa, but code blocks does not let you have a function called itoa. Does anyone know? |
| | Hello, I have this code: #include<stdio.h> int q = 10; void fun(int *p){ *p = 15; p = &q; printf("%d ",*p); } int main(){ int r = 30; int *p = &r; fun(p); printf("%d", *p); return 0; } which returns `10 15` I can't understand why it doesn't return `10 … |
| | Hi can i get the c++ code where you have 2 variables and you need to add sub multiply and divide those (new to this) |
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| | Hello guys, I am Toni Hacker, i browsed through this forum and I saw you guys really talk more about programming. i wanna make an operating system but i need a team. please its gonna be an open project. I need your advice and help. anybody care to help |
| | One of the best tips I learned long ago was to turn on all warnings and error messages from the compiler or development system. Yet last week, once again a big system was being worked on and the bug was tracked down to *uninitialized variable*. Now this isn't specific to … |
 | I am trying to build a program for transferring files to an arduino project with an attached sd card. I have some code, it does some interesting stuff, but it's not quite what I want it to do. What I need it to do is to be able to transfer … |
| | I am trying to get data from the SQL database with stored procedure using dataset and populate that data in combobox. It gives error as cannot find table 0. SqlConnection conn = new SqlConnection(); conn.ConnectionString = System.Configuration.ConfigurationManager.ConnectionStrings["dbConnection"].ConnectionString; SqlCommand cmd2 = new SqlCommand("GetBatch", conn); cmd2.CommandType = CommandType.StoredProcedure; cmd2.CommandText = "usp_CAMR_GetBatch_Status"; cmd2.Connection … |
| | **I'm having difficulty translating C code that loops through an array of grades. The C code is as follows:** int A, B, C, D, F; // declare grade counters int i; // declare loop counter int N ; // Number of scores to analyze A=0; B=0; C=0; D=0; F=0; // …  |
| | Enter 10 student grades and print the total number of passing and failing grades entered |
| | iam asking about chimical equations how can i programme it to the computer how can i make the computer understand that c+o2=co2 or naoh + hcl =nacl+h2o i mean how he understand that acid +alkail= water +salt |
| | hello i just get started with java so i have a question where the difference from c/c++ and the famous lovely java begin, the function or better method, so in c/c++ we can make a function prototype on top the main and then define it later like this int myfunctionprototype(int …  |
| | I have to do this program in C++ but I don't know how exactly to write it so that it displays everything it has to display. I'll be really thankful if you try to help me because I'm not so good at programming. 1. Create a program that has linked … |
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