General C++ Programming - C++ Forum - August 2014 (Page 24)

Derived virtual class, returning object

Hi guys, I am having an issue I need some help with. If I have a virtual base class such as... class BaseItem{ public: virtual ~BaseItem(){} ...

[2 replies] Last: Thank kbw, works like a charm! (by toomanystars)

by JohnDBCT

Error handling when using Boost NonCopyable

I have been using a Boost NonCopyable library in Microsoft Visual Studio 2013. What I have is the following error message: Error 1 error C2280: 'boost...

[4 replies] Last: //tell user about error. In this case you are the user (of noncopy... (by closed account 10X9216C)

by KarnageKnight

class and variable declaration

#include<iostream> #include<conio.h> #include<string> using namespace std; class ir; class Bank_acc { private: string name,type,s; lo...

[1 reply] : #include<iostream> //#include<conio.h> #include<string> #include <cma... (by JLBorges)

by judo11

How to get the sum of rows and columns in 2 dimensional array?

Here's my code for adding the rows and columns. My problem is that my program displays an incorrect output. main() { int a ,r,c,y,x,sum=0,rn,cn,cs=0,rs=...

[6 replies] Last: @judo11 What keskiverto is trying to tell you, is you must reset the... (by whitenite1)

by tehgoat

c++ and sqlite

Can someone please help me understand how to integrate this. I want to write a simple console program in c++. I want to simply create a db and read from it. I a...

[1 reply] : Most C code ia valid C++ too, so what's wrong with using C API exposed... (by modoran)

by KarnageKnight

Operator>> no match error

#include<iostream> #include<conio.h> #include<string> using namespace std; class Bank_acc { private: char name,type; long int accno,tem...

[3 replies] Last: cout <<endl<< "Is the account a savings account or a current account?... (by KarnageKnight)

by studentrgu94

Counting black pixels in an image ??

I have a problem with the counting black pixels program at the very bottom and i dont know why its showing errors #include <QCoreApplication> #include <...

[no replies]

by jaystu

Reading file into 2D array

can someone help me read a text file and store the file contents into a 2D array? Here's the file: 100 101 102 103 104 105 106 107 108 ...

[1 reply] : As it's set up now, the nested loop is infinite. You should be testin... (by cire)

by Masterassassin1398

Game Programming Graphics

Hi =). I am looking to create a simple 8-bit top down game. Simple collision basics that I can learn as well as maybe some sort of inventory/equipment system, ...

[2 replies] Last: SDL - https://www.libsdl.org/ SFML - http://sfml-dev.org/ Opengl - htt... (by roger911)

by DeathAngle

Impossible to escape?

Ok so I have Project25 and Project26 below. Project25 endlessly checks to see if Project26 is open and if its not it starts Project26 and Project26 does the sam...

[4 replies] Last: MS is aware of the Robin Hood / Friar Tuck problem, so I doubt it. (... (by Duthomhas)

by roger911

using a header file across multiple files

So say I create a header file which contains a list of structs, and I want to use these structs through out my source and some of my classes... how would I acco...

[2 replies] Last: Nevermind... The problem was in the header file... forgot to close the... (by roger911)

by iebwen

how to stop strings separating: cin

I'm currently learning c++ from programming books. Codeblocks is the IDE I am using. One of the exercises asks me to compare two string sizes inputted by the us...

[5 replies] Last: getline worked perfectly. Thanks for the help. Really appreciate it si... (by iebwen)

by tuckerd93

Draw two overlapping circles in C++

Here is my code. I need help Drawing two overlapping circles both with black borders but different colors shaded inside. My current code contains two circles th...

[no replies]

by danicpp

conversion using constructor &&&& cast () operator overloading

---------Project for converting by constructor method--------- //main.cpp #include <iostream> using namespace std; #include "truck.h" #include "ca...

[2 replies] Last: ummm.... and what is C++ cast syntax the one I used is just class::o... (by danicpp)

by superfury

Result of !(NOT) on integer value stored in an integer?

Can I replace the following: VGA->precalcs.characterwidth = VGA->registers->SequencerRegisters.REGISTERS.CLOCKINGMODEREGISTER.DotMode8?8:9; With: byte ch...

[3 replies] Last: That's right. The ! operator is a logical operator, so its result will... (by Duthomhas)

by The Intern

How to read in comma separated table.txt

Hello everyone! I am currently reading in a table separated by spaces which looks like this: Pol1 M N 20 100000 1 .04 99 Pol2 F S 30 100000 1 .05 99 Pol3 M ...

[1 reply] : Change that to: string line; while (getline (datafile, l... (by AbstractionAnon)

by q139

Fast way to read content

Hello, I am trying to make graph program that reads file and creates graph. How could code read a long text file and store it ram so it could be accessed quick...

[8 replies] Last: Thanks alot, maps is very useful, now all lines can be mapped by numbe... (by q139)

by ALtherak

Getline as the conditional of a While loop

I am trying to use getline as the conditional for a while loop as seen below. string filename, guard_name; int call_number; vector <Seniority> S...

[3 replies] Last: Thanks for the help naraku, that is a good solution! (by ALtherak)

by Gladius

Help with making a music player.

Hi, i was wondering if anyone knows a good tutorial on how to make a music player in c++. Just a realy simple one with a play and pause button, a list of your s...

[no replies]

by jascns1012

ofstream & ifstream

I am having a hard time with this code and this is my 1st time to this website and to writing code. #include <iostream> #include <fstream> #include <string> ...

[4 replies] Last: I hear what you are saying but this is for a school project and this i... (by jascns1012)

C++

Forum

General C++ Programming - August 2014 (Page 24)