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Learning Qlik Sense: The Official Guide

Learning Qlik Sense: The Official Guide

By : Christopher Ilacqua, Henric Cronström, James Richardson
3 (14)
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Learning Qlik Sense: The Official Guide

Learning Qlik Sense: The Official Guide

3 (14)
By: Christopher Ilacqua, Henric Cronström, James Richardson

Overview of this book

Learning Qlik® Sense is for anyone seeking to understand and utilize the revolutionary new approach to business intelligence offered by Qlik Sense. Familiarity with the basics of business intelligence will be helpful when picking up this book, but not essential.
Table of Contents (14 chapters)
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2
2. Variables and Memory
13
Index

Chapter 7. Dynamic Memory Allocation

In the previous chapter, we talked about class definitions and how to devise your own custom class. We discussed how by devising our own custom classes, we can construct variables that represented entities within your game or program.

In this chapter, we will talk about dynamic memory allocations and how to create space in memory for groups of objects.

Assume that we have a simplified version of class Player, as before, with only a constructor and a destructor:

class Player
{
  string name;
  int hp;
public:
  Player(){ cout << "Player born" << endl; }
  ~Player(){ cout << "Player died" << endl; }
};

We talked earlier about the scope of a variable in C++; to recap, the scope of a variable is the section of the program where that variable can be used. The scope of a variable is generally inside the block in which it was declared. A block is just any section of code contained between { and }. Here is a...

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