51,593 Topics
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| | Hi, I am trying to create a vector of a class which contains ofstream object as one of its member. The problem I am facing is that when I add single element to the vector, it work fine. As soon as I add another element to the vector, it changes …  |
| | The heating system in a school should be switched on if the average temperature is less than 17 degrees Celsius. The average temperature is found from the temperatures in the art English and music departments. You are required to write a C++ program that allows the user to input 3 …  |
| | Given a collection of towns in Borneo, Your task is to design a program using C++ programming language to find a way to visit all the towns and return to the starting point by minimising the distance travelled. Please note that each town can be visited only once, except for … |
| | For my (online) programming class, I have to format certain output in columns using setw. I am having trouble understanding how to do this. My professor says that I am supposed to be creating columns, not counting characters to align things. I haven't been able to find any examples of …  |
| | There was a question in topcoder. Question: Three kids are playing the following game: A word is written on a sheet of paper, and one after another, the players take turns adding letters to the word. During each turn, a player must add a single letter to either the beginning …  |
| | The house is built of non-standard form. All four walls are of a rectangular shape, but different height and length. The width of the walls is two bricks. There are two types of bricks. The outer part of the wall is constructed from the first type of brick, and the … |
| | I am beginner in C++. Please someone support me. Help me in learning C or C++ Java compiler. I am just a beginer. have just installed Cygwin & MinGW in my computer. Please someone guide me in learning programing language.  |
| | hello i'm trying to figure out how to write a program in c++ that check when i insert a password and force me to add at least 2 capital letters and 2 numbers in the password (you've seen this before right? when signing up for new account and checks for …  |
 | heres my function for select the font: CHOOSEFONT ShowSelectFont(HWND hwnd=GetForegroundWindow()) { CHOOSEFONT cf = {sizeof(CHOOSEFONT)}; LOGFONT lf; cf.Flags = CF_EFFECTS | CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS; cf.hwndOwner = hwnd; cf.lpLogFont = &lf; cf.rgbColors = RGB(0,0,0); cf.lpLogFont->lfStrikeOut=FALSE; cf.lpLogFont->lfUnderline=FALSE; cf.lpLogFont->lfHeight=-MulDiv(12, GetDeviceCaps(GetDC(hwnd), LOGPIXELSY), 72);//change font size _tcscpy(cf.lpLogFont->lfFaceName, "Arial" ); //we must include tchar.h if(ChooseFont(&cf)) { … |
| | class brick { private: int length, width, height;// in mm public: void set(int len, int wid, int hei); int getlength(){return length;} int getwidth(){return width;} int getheight(){return height;} }; void brick::set(int len, int wid, int hei) { length=len;width=wid;height=hei;} #include <iostream> using namespace std; /*After Set() method write main() function which would … |
| | class item { public: string name; string code; double price; }; class buyer { public: string name; int count; }; #include<string> #include<iostream> using namespace std; int main() { item item1; buyer buyer1,buyer2; double sum1,sum2,sumTotal; cout<<"enter name, code and price of item:"<<endl; cin>>item1.name>>item1.code>>item1.price; // The data for the first buyer cout …  |
 | I would like to say hello, first of all. I have been attempting to change the color of a character on my program for some time now. The characters in question will represent lava tiles with the letter "L" in my program. I would like to know how I can … |
 | I'm sitting in classroom, trying to find more advanced usage of pointers in C++, suddenly Googling, not suspecting a thing I almost fell of the chair in middle of class laughing like a donkey (I'm young adult, so "immature" jokes tend to be funnier for me than for you likely). …  |
| | i have these function for get the string size: SIZE GetStringSize(string text, HWND hdccontrol=GetForegroundWindow()) { RECT textrect={0}; HDC txthdc=GetDC(hdccontrol); DrawText (txthdc,text.c_str(),-1,&textrect,DT_CALCRECT); ReleaseDC(hdccontrol,txthdc); SIZE a={textrect.right-textrect.left, textrect.bottom-textrect.top}; return a; } the 1st string size isn't correct. then i get the correct one. so why i get, sometimes, the wrong size? something to … |
| | Hi All, When i excute this code at return people i get PeopleViewer.Person instead of there names.Can anyone tell me what i am doing wrong. Thanks for the help. namespace PeopleViewer { class PeopleRepository { public Person[] GetPeople() { var people = new Person[] { new Person() {FirstName="JOhn",LastName="Sheridan",StartDate = DateTime.Parse("2/7/12"),Rating=2}, …  |
| | Problem Statement Number-Guessing Game Assignment Write a program for a number-guessing game. Each player will be given 10 attempts to key in a 4-digit number to guess the randomly generated number. All four digits of the computer-generated number MUST be different and the left-most digit cannot be zero. Create a … |
| | #include<iostream> #include<string> #include <cstdlib> //rand #include<ctime> #include <algorithm> //shuffling #include <vector> using namespace std; int main() { int option,i=0, num_part; vector<string> names; cout << "Welcome to Number-guessing Game !\n\n"; do { cout << "Menu" << endl; cout << "-----" << endl; cout << "1)To register number of participants and name … |
| | Hello I'm a freshly new Graduate student of computer technology engineering, i'm interested in C++ as my first step into learning computer science, what books other than Bajarni books do you recommend, i don't like book that are 1000+ pages long, and prefer ones that are straight to the point … |
| | #include <iostream> #include <string> #include <cmath> using namespace std; int main() { string Choice; string On, off; char a = 'A'; int i = 0, j= 0 , NUM = 2 , z = 1; cout << "Please enter 'start' to start the program\n"; cin >> On; if (On == … |
| | just a question what are the advantages that C# as a general purpose programing language has over other web development programming languages such as HTML 5 CSS and so on |
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| | redo (or do for the first time) programming project 2 from chapter 11. define your ADT class in separate files so that it can be compiled separately. I need help with that!!!  |
| | Q 1) In this small snippet #include <stdio.h> void passingAddressOfConstants(const int* num1 , int* num2) { *num1 = num2; } int main(){ const int limit = 100; int result = 5; passingAddressOfConstants(&limit,&limit); } Error : error: invalid conversion from 'const int*' to 'int*' Here I defined "limit" is of type … |
| | Create a class Candy with the following data: weight of one candy bag, price of one candy bag. There are three types of candy in the store. Find the weight and price of heaviest candy bag. What is the price of 1 candy bag with minimum weight? Extend the … |
| | Ok guys ! I'm trying to study operator overloading. which i found the toughest article in OOP :( I tried a code for == operator overloading to check whether both arrays have same elements or not but it isn't working. Can anyone help? Here is my code: #include<iostream> using namespace … |
| | hello guys i need a real good ideas from u i want to create social networking program for c++ like instagram,facebook etc my general q: how to implement the coorect DSA structure on building profiles and mangae post comments message from other freinds and user? |
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| | import java.util.*; class occult { public static void main(String[] args){ int n = 2; for (int i = 0; ; i++){ if(Integer.toString(i).contains("666")){ if ( n == 1 ) System.out.println(i); n -= 1; } } } } I have written the above java code into c++ . i wanted to know … |
 | Hi, Actually, I want to make one Singleton class which will create one instance for one thread. I mean if we have 10 threads, then Singleton will create only one object for one thread. IF same thread will ask for one more instance it will return the same instance. Basically, … |
| | the GetDesktopWindow() give me the desktop HWND, but how can i get the desktop toolbar HWND? i belive that theres 1 function for get the toolbar on windows, but i don't know how :( |
| | I have a little confusion in my mind. I know very well the difference between preincrement and postincrement, postdecrement and predecrement. But i wonder how do these operators work during loop. I ,myself, use postincrement or decrement in loop as follows: for(int i=0;i<5;i++) { //code } But in my book … |
| | Hi All, in below class i wanted to have two friend function(overloading) one with default argument and other is without default argument. but during compilation it gives error. could you let me know how to fix (overload) this by not changing the function name , argument type or number of …  |
| | write a c++ program to compute compound interest. the program should be structured as follows A function to compute interest and another function to compute amount **Bold Text Here** |
| | Design a C++ program by considering the following conditions; 1. User must keyed-in “start” to start the program and “stop” to end the program. . 2. If the user keyed-in “choice1”, print out PATTERN A. 3. If the user keyed-in “choice2”, print out PATTERN B. Use if else statement, while …  |
| | Hello Everyone! I'm using C++ to write a small 2D app with SDL and OpenGL. I'm trying as much as possible to keep my code cross-platform. However, I've hit a bump. I can't find a good, easy way to display text on the screen. I am able to do it, …  |
| | C++ HELP: hello i made a program where user enter any message then fing its frequency and push it on the queue and sort it i want to sort it again by which element in the same piority entered please anyone can help>? for example for this message: "Eerie eyes … |
| | Hi All, I know this is very silly question about singleton pattern but still it is first choice of interviewer. Could you let me know in below code snippet. (1) After deleting singleton object why still i am able to call show() method and it works fine. delete obj; obj=NULL; … |
| | hi all i am new in qt/c++ i am trying to build a program with database using QTableView QLineEdit QComboBox.. the LineEdit shows a valiu the records filtered by that valiu.. now the ComboBox displays somenames with valius and what i want is that when i change the valius in … |
| | I am getting below errors while compiling on V2013. I have benn struggling it for last 5 days. Any help much appreciated. ------------------------------------ error LNK2001: unresolved external symbol "double pnl::global_fakedummy" (?global_fakedummy@pnl@@3NA) 1>snpgm.obj : error LNK2001: unresolved external symbol "private: static class pnl::LogMultiplexor * pnl::LogMultiplexor::s_pStdMultiplexor" (?s_pStdMultiplexor@LogMultiplexor@pnl@@0PAV12@A) ------------------------------------------------------------------------------------------------ pnlFakeptr.hpp #ifndef __PNLFAKEPTR_HPP__ #define … |
| | User input/output is a key component in the programs you write, yet most online tutorials just provide a quick-and-dirty method of grabbing data. In other words, it works right up until the point the user does something unexpected. In this tutorial you will learn how to avoid the common mistakes … |
| | (i'm using win7) i can use the Region functions for get the transparent control. but, in some cases, i can get bad resoltes(. i have read that i can use brushes for get the transparent control. can anyone explain better? |
| | Hi, I am writing a program to read from a file. I want to ask the user for the file name to open. I have tried to use the basic open file code from cplusplus.com and it won't work unless I specify the file name in the code. If I … |
| | So this friend, the boyfriend of another friend, is interstd in acareer as an IT, he knows quite a lot but wants to learn C++ so I reccomended Daniweb as a source of information. I don know I dont if he will join but I'm spreading the word about Daniweb.  |
| | Hi all, I'm new to this forum. I'm learning C and embedded SQL. I have a question. In one of the project am doing, i want to check whether any records with a particular local_id and global_id is there in the database with in the last 90 days. If it … |
 | Hi all! I am working on creating an SMS language translator (SMS -> real English), and I am having trouble initializing a map for the SMS -> English codes. My code is below: map<string, string> THE_SMS_CODES{ ".02","Your (or my) two cents worth", "10X", "Thanks", "2MI","Too much information", "2U2" ,"To You … |
| | This might sound crazy or something, but i've always wanted to build an Operating System like Windows where people can do everyday things I know some people do not like the new Operating System and that the new screens look atrocious. Also I need a group at least five or … |
| | how to make this pagehttps://www.facebook.com/ on console screen and also set the size of cotrol screen to window size???????? i anyone can help i all apricate it? |
| | hello guys i have a favour to ask i would like to help me out with this problem .. 4) Write a method binaryToDecimal that takes a string as argument (the string consists of a sequence of ’0’ and ‘1’ characters representing the binary representation of a number) and returns … |
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| | C program to remove even numbers and fill it with zero Input array 1,2,3,4,5,6 Output 1,3,5,0,0,0 #include<stdio.h> void main() int i,j,k,n=6,a[]={1,2,3,4,5,6}; clrscr(); for(i=0;i<n;i++) { if(a[i]%2==0) { a[i]=-1; } else printf("%d",a[i]); } for(i=0;i<n;i++) { if(a[i]==-1) printf("0"); } getch(); } |
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