General C++ Programming - C++ Forum (Page 2)

by Anmol444

Purpose of Multimap

I understand what a map is and all, but what purpose does multimap serve? How can you access a s...

[8 replies] Last: So like maybe if your counting how many times a number appears in some... (by Anmol444)

by aquilina

NuLL root Binary Tree

Hello i got problem in binary tree code. below is my code. When i select pre, post or inorder, the ....

[1 reply] : Solved.. And i have another problem.. When i entering the course for e... (by aquilina)

by Jebus

Defining a Member Function

Hello! I've started to learn object oriented c++ recently, im trying to figure out how to print out ...

[2 replies] Last: Thanks alot! i knew i had to write something in the main, wasnt sure w... (by Jebus)

by dekeenfrance

Communication between functions of class

Hi, I have a class as follows: class testa { public: testa_b(); ~testa_b(); testa_c(); ...

[3 replies] Last: Thanks. In case I have a lot of variables to define, I think it's bett... (by dekeenfrance)

by Frozen1337

Help with my exercise

I need help with this exercise, its very important for my final in two days. I have skipped alot of ...

[3 replies] Last: http://www.cplusplus.com/forum/beginner/1/ Describe the research you ... (by MiiNiPaa)

by slayer92

Add two numbers as strings

Hi guys.I need to make a small program with a function with this prototype: void f(char *a,char *b) ...

[15 replies] Last: [quote=andywestken]And why 19 rather than 20 for getline? Because tha... (by MiiNiPaa)

by dekeenfrance

Loop partly on variable names

Hi, I have some codes including a series of instructions like follows: ui.lineEdit_1->setTex...

[6 replies] Last: Thanks for your replies. Yes, I am doing gui with Qt but main code is ... (by dekeenfrance)

by Vidminas

NCurses outputting vectors

The following code works perfectly with "normal" C++ #include <iostream> #include <vector> i...

[2 replies] Last: We don't need that vector. #include <iostream> #include <string> in... (by JLBorges)

by Gabz21924

Add value to beginning (left hand side) of string

This is probably a stupid question, but how do you add a value to the beginning of a string instead ...

[11 replies] Last: Another recursive version, using bits stolen from both JLBorge's and v... (by andywestken)

by LsDefect

Stringstream to clipboard with memcpy?

Hi. I'm trying to, as the title suggests, copy the contents of a stringstream to the clip board. Her...

[6 replies] Last: Hmmm... I have found this Microsoft example which is using GEM_FIXED.... (by andywestken)

by h0404

Beginner help with generic dictionary

Hello, I am a programmer in Delphi, learning C++, I am stuck with the following code, i want to acc...

[19 replies] Last: yes, you are right, it should be int main() the MSVS 2012 is a bit ... (by h0404)

by fnaqesa

arrays and functions

Okay, im kinda new to this c++ program and all. One question is how do you make a 2D array(table) u...

[1 reply] : What do you have problem with? Creating data sructure? Or outputting i... (by MiiNiPaa)

by tejashs

parent and child objects

class a { // something something }; class b : public a { // something something };...

[4 replies] Last: Thanks for the answers (by tejashs)

by Anmol444

Pure Virtual Functions

From my book: "Because you have declared Volume() as const, its implementation in any derived clas...

[12 replies] Last: [quote=Anmol444]What are you talking about, pointers to derived cannot... (by TheIdeasMan)

by lorene72

programming functions

Can someone please assist with how to use functions in a programme to show the names and grades of s...

[1 reply] : What have you done so far, and where are you having problems? If you ... (by Catfish4)

by mr5

MinGW: libpng won't build properly

So I need this libpng to be statically link with my dll to be used by my exe. This dll is already ...

[1 reply] : You need to use CMake to build zlib and libpng with MinGW on windows, ... (by modoran)

by tay1392

Binary tree Insert?

Hello everyone. I recently finished implementing a Binary search tree for a project I was working on...

[4 replies] Last: std::vector<int> nodes insert(int data){ nodes.push_back(data); }... (by ne555)

by Anmol444

Class in Class

How can this code compile? #include <iostream> using std::cout; using std::endl; class CBox ...

[5 replies] Last: Oh ok thanks! (by Anmol444)

by BluRezZz

Asteroids problem?

So I was working on this project for class and I closed Visual studios and reopened later that day. ...

[3 replies] Last: It means you accessed a null or non existent pointer if you had the a... (by pogrady)

by Anmol444

Infinite while loop vs for loop

Why is it that in a infinite while loop you must add a true but in a for loop you can leave it empty...

[2 replies] Last: Alright thanks! (by Anmol444)

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