19,876 Topics
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| | I'm a beginner to programming and need sites books literally anything that might help me learn more would be amazing. thanks.  |
| | sir i am newer to C++ but i know about syntax and rules plz tell me about to design a project for my finals which could be efficient and easier to understand  |
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| | Hello guys please help with my simple project. I'm new to c++.This is the problem. USING FOR LOOPING STATEMENT. CREATE A C++ PROGRAM THAT WILL ASK 10 INPUT VALUES. THE PROGRAM SHOULD BE ABLE TO ADD ALL THE INPUT VALUES AFTERWARDS. Thanks to those who will help. HAVE A NICE … |
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| | I just figured out the answer to one of my previous questions but now I have a new problem, before I was just being a tad silly and forgot how to properly write a function but now my question is if I have the following function `int findMobile( string word, … |
| | Most of the email autoresponder provides various types of services, but a customazie autoresponder needed for my cpa business, i am try to make a autoresponder with server scripting language (PHP) , but i dont know how its possiable or not?  |
| | I am trying to declare a function to find the largest mobile element for a program to list permutations using johnson-totter algorithm. Here is my definition of the function in the header file: `int findMobile( string, int[] );` and here is my actual declaration of the function: `int findMobile( string … |
| | Hello, I need some guidance with my third button. I have created a GUI that so far displays contents from from two folders by using folder browser dialog. All I want to do is compare the filenames between both folders and display the differences in a third listbox. I would …  |
 | A simple graphical year calendar. Compiler: Turbo C In main current year is set manually, for more generic way use date function to get current year. |
| | I always get confused with while when I need to use multiple condition. I believe this is correct. 1 and 1 = 1 1 and 0 = 0 1 or 1 = 1 1 or 0 = 1 Is there something special I need to do with while loops? If … |
| | Hello, I am getting a linked error when I changed file name to cpp. 1>main.obj : error LNK2019: unresolved external symbol "void __cdecl func_name(double * *,int,int,int,double * *,double * *,double * *,double * *)" I am using objects in my new code but this function which was there earlier is … |
| | Is this the correct way to print char*? *I know c has the value I want because of the print statement below it. The o is not giving the value that I expect. char out[50]; char *o = out; int i = 118; *o++ = c; printf("o is %d (%c)\n", … |
| | I am trying to get the first value of a null initialed array of string.I have tried every method I can think of with no luck. I either get warning, errors, or a segmentation fault. Whats the correct way to print the null value and use it in the if … |
| | In this example in the malloc() what does the UL do? #include <stdio.h> /* perror */ #include <errno.h> /* errno */ #include <stdlib.h> /* malloc, free, exit */ int main(void) { /* Pointer to char, requesting dynamic allocation of 2,000,000,000 * storage elements (declared as an integer constant of type … |
| | I have seen a few different ways of doing malloc error checking? Is one way better than the other? Are some exit codes better than others? Is using fprintf with stderr better than using a printf statement? Is using a return instead of an exit better? ptr=(int*)malloc(n*sizeof(int)); //memory allocated using … |
| | Hi guys! I'm new in c++ so I really need your help. I have this code but I have to use classes, how can i modify the struct to class? Please help me. #include <iostream> #include <cstdio> #include <cstring> #include <cstdlib> #include <conio.h> #include <iomanip> using namespace std; int main() … |
| | I am trying to populate textbox on winsows application from database. The stored procedure pulls data using datareader. Data looks fine when I execute stored procedure on SQL server management studio. But when I am trying to populate from the application its not getting same result. I apprecaite all help. … |
| | I was trying to write a code for: read in N numbers from a file FILE1 into an array(dynamic) then sort those numbers then search for numbers (1 per line, given in FILE2) in the array. #include <stdio.h> #include <stdlib.h> #include<math.h> #include<string.h> int main(int argc, char* argv[]) { FILE *fp1=fopen("myFile1.txt", … |
| | Assume that a file exists. How to replace the occurrence of a character with another character? |
| | I need some ideas for dealing with array of strings. **ptr** contains my array of strings. The goal here is to combine certain strings when the conditions of the for loop are met. The problem is I need remove the strings that get combined with another string so I don't … |
| | Write a program that will print two closest pair integers in an array (if there are more than one pair with the same distance, then print all pairs). //Example: 6 -3 8 0 5 //The closest numbers: 5 6 -> difference is 1 In the following program I am using … |
| | Anyone have flowchart or algorithm of Snap Card game which can let me to refer since I need it for my assignment. It will be very helpful if provided me the source. Thank you  |
| | Hello, I try to catch the HTML code from a webpage after I have logged in to a page. HTML is returned but that is the orignal HTML only BEFORE I logged in. For example I try to find "Log out" and other content in the string "getDocumentHTML" returned which …  |
| | hello to everybody. i'm writing a knight tour program. in this code, you enter the dimension of the board and the frst place of the knight and then ask the user to what to do! n = next p = print (the other are not completed yet) here's the code … |
| | Am creating application and l need to fill a combo box list. However, l was able to do all and is working but whenever l filling the last combobox, l get an exception as below. First-chance exception at 0x7789dba9 in Unical PTUME.exe: 0xC0000005: Access violation reading location 0x00000001. Unhandled exception … |
 | My tables are PURCHASE and SALES... In PURCHASE table, fields are CODE(primary key), PRICE, DATE, TOTAL, QTY... when I'm entering datas in form and when i click submit, the datas stored... but when i enter same DATA(CODE), it is showing error... i don't want to show the DEFAULT ERROR message... … |
| | I don't understand how to debug the following code "on paper" (without a compiler): #include <stdio.h> #define SUB(T,x,y) {T x=y++; {T x=y++;}} int x; static int y; void f(int n) { if (n) { SUB(int,x,y) f(n-1); } } main() { extern int x,y; int i=0; for ( ; ++i<3; ) … |
| | I am having a hard time comparing my if else statements and getting it right. I want to ask for male or female, and if male then I can respond "Hello, Mr...." and if it is female then I can respond "Hello, Mrs...." #include <stdio.h> int main (void){ int firstNum; … |
| | Hello, I use the webkitbrowser which is simular to the webbrowser. Now on a website, I want to programatically insert a string into a textBox. This I have succeeded to do like this: webKitBrowser1.Document.GetElementById("txtbox1").SetAttribute("value", "hello"); After this I will need to programatically click a button that will check that "hello" … |
| | Write a program that will print adjacency matrix of a directed and weighted graph. Weights are positive real values, and graph is strongly connected. Then, print values of two vertices which indices are read (values of each vertice are functions: **sin(index),cos(index),index^2,sqrt(index)**). How to check if a graph is strongly connected? … |
| | [CODE]struct PCB* handleProcessArrival_PP(struct PCB *processhead,struct PCB *processtail,struct PCB *currProcess,struct PCB *newProcess,int currTime){ if(currProcess==NULL){ newProcess->executionStartTime = currTime; newProcess->executionEndTime = currTime+newProcess->totalBurstTime; newProcess->remainingBurstTime = newProcess->totalBurstTime; if(newProcess->processID==processhead->processID){ processhead= newProcess->next; printf("processhead in case 1 %d \n",processhead->processID); } currProcess=newProcess; printf("***current process = new process%d \n",currProcess->processID); contents(processhead); return currProcess; //return processhead; } if (currProcess->processID !=0){ contents(processhead); if(currProcess->processPriority>newProcess->processPriority){//new … |
| | I'm writing a simple program to figure out how Linked List works, but for now I'm stucking. I don't know which line cause the error or I had a mistake in thinking. I run my program by my hand and it works fine. But when run, it gets error at … |
| | I am working on C# window form application, which do insert, update of data into the database. I am having trouble, since I am new into this. I have declared temp variable that gets value if record exsits in the database. But in some scenarios if record is loaded onto … |
 | Hello everyone, I am trying to write an object loader in c++. Currently, I have a file that is made up of many sub objects and I am having a little difficulty figuring out how to process the data. First of all, here is an example of part of the … |
| | I need some explanation with the logic in the following program: Create a data structure such that it contains of three singly linked lists that are connected to one central node. **i-th** list can only have elements such that **list_element % 3 = i**. First element of every list represents … |
| | Hi, I would like to learn dbus as i encounter it more in my daily work.The problem is that the applications already using it are very complex and there is very less scope to understand exact use of DBus communication. I know other IPCs like message queue, socket etc, the …  |
| | I want to make a menu driven program in which I have 4 options 1) input() -Inputs the data WITH A UNIQUE KEY (AND CHECKS FOR REPETION) and writes it to a file 2)output() - Outputs the data using a UNIQUE KEY (WHICH WHEN NOT FOUND GIVES AN ERROR) 3)delete() … |
| | Write a program that will read data about **n** movies (data about a movie is defined in structure). Sort data about movies (criteria of sorting is by title of a movie and by surname and name of an actor). Read data about one actor, and print data about all movies … |
| | Write a program that reads **n** strings (with blank spaces). For each read string, check if it is a permutation of some other read string. If it is, print the found string and all other found strings that are permutations of the found string. Uppercase and lowercase letter are not … |
| | Hi, I have an app that works with Visual Studio 2010, but not with VS2015. Its purpose is to redirect stdout to a thread that reads from a pipe created with: if (FALSE == CreatePipe(&pipeout, &pipein, &sec, 0)) { mes = strdupa("SCRIPT: Unable to create pipe"); goto err; } SetStdHandle(STD_OUTPUT_HANDLE, … |
| | Write a program that reads an array of **n** polynomials and prints their squares using arrays. Example input: n=1 1. polynomial: order: 2 coefficients: 1 1 1 Output: square(x^2+x+1)=2x^3+4x^2+2x+1 The following code gives **SIGSEGV** segmentation fault: #include <stdio.h> #include <stdlib.h> #define MAX_ORDER 10 typedef struct term { int coef; int … |
| | I am having problems to figure out how to do arithmetic operations on positive integers represented as strings (addition, subtraction, multiplication, incrementing and decrementing). I did the addition as following: #include<stdio.h> #define MAX 100000 typedef struct { int arr[MAX]; }NUMBER; void read(NUMBER *add_num) { int i,digit=0; char ch[101]; scanf("%s",ch); while(ch[digit]) … |
| | I need help with the following program: Define a structure **VEHICLE** which contains **producer, model and chassis number**. Store the content of a structure in binary search tree such that the **key** for storing contains all fields of a structure (**producer** has the highest priority, and **chassis number** has the … |
| | Please Help me out!! After many tries I'm unable to return a string from a function. Please reply with the corrected code! I want it for my High School. Thanks in advance! I've shortened the code here. #include<iostream> #include<iomanip> #include<conio.h> #include<cstdlib> #include<fstream> #include<string.h> #include<stdio.h> using namespace std; string logdisplay(int log) …  |
 | Dear Friends, I am a newbie in GTK3 development using C. I created a file menu with some sample menu options. But I need to activate each menu using keyboard shortcut. Please provide a sample code based on the given working code . #include <gtk/gtk.h> static void open_activated(GtkWidget *f) { … |
| | Please help me to use the functions. The program does not move ahead of main() to use the functions. I mean once the main() statements are executed the program doesn't execute the calling of functions. I've used Turbo C++ which does not allow string instead of char data type(Though I've … |
| | **Please fix the errors in the code ! I've used Turbo C++. I need it for my High School Project ** #include<iostream.h> #include<iomanip.h> #include<conio.h> #include<process.h> #include<fstream.h> #include<string.h> #include<stdio.h> //logistics //site fees //transaction fee //packaging fee //FK //SD //AZ //PayTM //eBay //ShopClues char categdisplay(); char logdisplay(); char wbdisplay(); void display(); char … |
| | The following program should create singly cyclic linked list which has **n** nodes, where data are random generated numbers from **0-99**. Create binary search tree which will contain all prime numbers from the list. Print binary tree in text file so that numbers are sorted in descending order and every … |
| | how to add numbers with out using any arthematic operators in c |
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