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General C++ Programming - April 2015 (Page 16)

how to add multiple entries without predesignated names to a class

so Basically I know how to use classes to create an item system for my game, but im struggling with the inventory system, as I may have to have multiple types ...

[18 replies] Last: forget about helping, I figured most of it out... I still have shit t... (by closed account 2EwbqMoL)

by likenew

Double hashing question

Hello there, I'm writing double hash table and have some question about it. This is my hash function below: unsigned int DoubleHashTable::HashFunction1(u...

[4 replies] Last: Smac, Thanks for reply. I will read out the links you provided. Like... (by likenew)

by Market

Work Problem

Hello, I am fairly new at C++ and I need to write a program in C++ that opens a csv file, parse the sections into arrays or vectors, and be able to output the...

[7 replies] Last: Work problem I need to write a program in C++ that ... Why C++? Ther... (by keskiverto)

by dudicus14

Bigint Operations

Here I've got 2 classes, one is finished(a safeArray that I use for the second class which is what I have the problem with) In my bigint class I have add and su...

[1 reply] : On line 131, you are not beginning with the value 0. A newly created ... (by cire)

by Shimini

operators

class Complex{ public: Complex(double r=0.0 , double i = 0.0 ) : _r(r) , _i(i){} void set(double r = 0.0 , double i = 0.0 ) {_r = r; _i = i;} double ge...

[1 reply] : Please edit your post and make sure your code is [co de]between cod... (by LB)

by ktroebuck

array histogram random number

why wont this execute. i keeping getting { undeclared and old-style format error #include <iostream> #include<stdlib.h> using namespace std; #include <strin...

[3 replies] Last: http://www.cplusplus.com/articles/jEywvCM9/ (by TarikNeaj)

by Market

Covert Java to C++

Can someone please help convert the following code to C++. I am trying to read a csv file and parse it into columns. Thanks import java.io.*; import java.ut...

[1 reply] : #include <unordered_map> #include <fstream> #include <string> using ... (by Smac89)

by Hassan ali khan

BST tree

#include "BST_CLAS.h" template<class type> BST_CLAS<type>::BST_CLAS() { root=NULL; current=NULL; previous=NULL; } template<class type> node<ty...

[1 reply] : Please edit your post and make sure your code is [co de]between cod... (by LB)

by dudicus14

Linked List Operations

So I've got a linked list data base using templates which compiles fine and lets me print out a list of all states and lets me search for a person and print all...

[3 replies] Last: I still see " print_people_in_state " inside your template class. As I... (by LB)

by Vulfgang

Birthday Paradox

Hi, I am new to C++ and I am trying to teach myself. I am currently working on the Birthday Paradox. My code is below, I think the way I am initializing the arr...

[3 replies] Last: > I create a for loop to loop through each 2 through 50 people iirc yo... (by ne555)

by nad1

Enum

how to return a value from a function as enum? typedef enum { MALE, FEMALE } Gender; for this example, if i want to return MALE as a return value to the f...

[3 replies] Last: enum class is a single keyword that just happens to contain a space.... (by LB)

by rm classic

connecting with socket

hey there I programmed a socket code that binds to a port with port forwarding. when i open the program, it binds successfully and open port checkers find my ...

[15 replies] Last: Ah, yes that is true. Sorry for the misunderstanding. (by LB)

by closed account 2EwbqMoL

1st memory allocation bug - can anyone help me find it?

I'm sure I did something n00bish here. I must have. I finally got that inventory system almost working - well, it probably would be (if I didnt have this darn b...

[18 replies] Last: Look up polymorphism. You can store all your instances in a std::vect... (by LB)

by Armaan

Math Game

Trying to make a Math Game Called “22” by programming. Two players will be able to play the game at a time. The rule of the game is, one has to AVOID making...

[9 replies] Last: >That's why i asked if someone could solve it. > human v/s human ok. ... (by anup30)

by saisr8

inheritance

How do visibility modes affect inheritance? Explain with examples.

[2 replies] Last: This is like your 4th post within 1 hour about inheritance. Like @Mike... (by TarikNeaj)

by mjamesball9

Stuck, Need Help!

I am trying to make my code analyze the data and then output the info, but I am doing so with arrays because it is less time consuming. I keep running the code ...

[3 replies] Last: @mjamesball9 Why are you using the comma operator in these lines? i... (by MikeyBoy)

by Addsy

Snake Game

Hi guys. I am creating a snake game for a project and am massively stuck on something. I'm trying to make the snake move in a 2D grid array. To explain this f...

[5 replies] Last: std::make_pair(x,y); (by S G H)

by saisr8

classes

please define the following and give suitable examples (i)Abstract class (ii)Virtual base class. (iii)Containership

[1 reply] : Read this: http://www.cplusplus.com/doc/tutorial/classes/ http://en.c... (by coder777)

by saisr8

inheritance

simply Define inheritance and a few needs. of it

[1 reply] : Did you read this? http://www.cplusplus.com/doc/tutorial/inheritance/ (by DVSProductions)

by kinK

appointment

I have to code a menu based program using functions and parallel arrays to keep track of weekly appointments from monday to friday. The user should be able to a...

[3 replies] Last: interesting http://www.cplusplus.com/forum/beginner/162238/ (by shadder)

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