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General C++ Programming - July 2016 (Page 6)

Hi, Disclaimer: the names of the types expressed here do not have to make any sense! I am *not* having trouble compiling libraries that depend on each other, ...

[4 replies] Last: A static library is just a bunch of .objs bundled together without bei... (by helios)

by anthonyciro

$ symbol in textBox or label C++ windows form

Trying to get the $ symbol to appear in text box and labels before I calculate and after. Ive done it before in old projects that I cant seem to locate at th...

[2 replies] Last: I want the $ symbol to always be there in textbox or label. before I e... (by anthonyciro)

by DrFre

cl.exe default libraries

Hey folks I'm trying to write a managed wrapper for breakpad to use it in .NET. As I'm new to c++ I did not want to fight with visual studio and have set up my...

[5 replies] Last: I did a rebuild of breakpad and linked the libraries again. I think I ... (by DrFre)

by Wu zhen hai

memory order

//Now they are mass in my head! //Who can introduce them in more common language? //the differences? memory_order_relaxed memory_order_consume memory_o...

[1 reply] : Some context: http://en.cppreference.com/w/cpp/atomic/memory_order (by TheIdeasMan)

by edge6768

Class Member Initialization

Hey guys, I have a little question: Is there any real difference in the way you initialize class members? Does one create a larger executable or faster run-t...

[4 replies] Last: http://www.geeksforgeeks.org/when-do-we-use-initializer-list-in-c/ (by Naughty Albatross)

by krishshay

breadth first search & depth first search using c++

how to write a c++ program that: 1) requires no user input 2) traverses a binary tree using depth first search algorithm 3) traverses a binary tree using br...

[1 reply] : Hi, Well, best place is at the point where you realise this isn't a ho... (by Naughty Albatross)

by SamuelGr

Data buffer wrapper problem.

So I've been learning boost asio, and I wish to implement my own wrapper for data. The wrapper class: data_wrapper.h #pragma once #include <iostream> #includ...

[2 replies] Last: Thanks for the heads up cire, I'll use resize rather than reserve! Un... (by SamuelGr)

by Science001

Read Binary File Records Show Only Junk Values

I tried to write a Program to store Info of Items in a Binary File. But except the 1st record, all other Records read thro' ShowFile() show only junk value. I h...

[10 replies] Last: As a continuation, I tried to Insert records to my file. IDK why, the ... (by Science001)

by vastrolorde

Function pointers

I created a map of function pointers, and now i want to take the pointer and pass it as a function parameter but i get error "operant of * must be a pointer". ...

[5 replies] Last: Good to hear :) (by Naughty Albatross)

by vastrolorde

Checking for nullpointer not working

My if is not checking if pointer is initialized. What am i doing wrong ? In Wt hangman tutorial files they have done it this way and for them it works. In...

[2 replies] Last: Ahaa... i see my error. On me relying too much on the Wt tutorials and... (by vastrolorde)

by supahnonymous

point of sale program

please help me convert this POS c program with pointer and structure. Can someone please void displayPOS(); void displayINVENTORY(); void addProduct(); vo...

[3 replies] Last: I take it you want an illustration of the use of data structures and p... (by tipaye)

by Science001

Can't read String from User

I tried using gets(iname), std::getline(std::cin,iname) and std::cin.getline(iname,100,'\n'). But nothing seems to work. Here is the code: class store { int i...

[4 replies] Last: Glad it helped :) (by Naughty Albatross)

by Cambalinho

how overloading input and output operators?

i did these on my BitmapDC class: //write HBITMAP: friend std::ostream& operator << (std::ostream& lhs, BitmapDC &hBitmap) { //get hbitmap ...

[2 replies] Last: i'm sorry. but the link confused. i don't understand how to fix it :( (by Cambalinho)

by gedamial

What's wrong with my RemoveNode function (BST)?

Hi. This is the RemoveNode function: // keyNode is a pointer to the Node to delete void RemoveNodePrivate(Node* keyNode) { // CASE 1 = No children if (!ke...

[11 replies] Last: So even the search function should return a pointer by reference, sho... (by cire)

by Alhasad1115

Symbolic variables

Hi people, the thing is that I don't know how to create a symbolic varible in c++ and work with it. For example, make the program run a process that in the e...

[6 replies] Last: See: http://www.ginac.de/tutorial/#Expressions http://www.ginac.de/tut... (by JLBorges)

by asterisk nullptr

Run a derived class on a template function with a cloned object

Hi, I am creating a game engine and I've got stuck cloning GameObjects. GameObjects contain a map of components (Component*), a vector of children (GameObject*...

[9 replies] Last: I cant use a common interface as derived components (ICloneabe) may ha... (by asterisk nullptr)

by dr86

Problem with references

Hello. I am updating old version of program to a new version. In old version, result of function internalField() was non-const reference, and in new program...

[7 replies] Last: I have overloaded function like you said, and I don't have this error ... (by dr86)

by Sylvagon

Error C2660 'menu': function does not take 5 arguments

I am developing a text based RPG game, and to make things quicker, I created a function to make a menu for the player to choose from, each option will result in...

[11 replies] Last: Thank you, megatron . I will take your advice. I think I sort of unde... (by Sylvagon)

by JUAN DENT

why pure private virtual member?

Hi, If I declare a pure virtual member function in the private section of a class A, then how can I override it in a subclass B of A since it is inaccessible...

[2 replies] Last: http://stackoverflow.com/questions/3970279/what-is-the-point-of-a-priv... (by gedamial)

by LiLDorth

Sudoku Saving

Hey so I'm making a sudoku program for class and it works fine, but when I try saving it to a file and opening it again it wont work. I just need help figuring...

[12 replies] Last: Glad it helped :) (by Naughty Albatross)

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