December 2004
Beginner
936 pages
20h 1m
English
Content preview from Sams Teach Yourself C++ in 21 Days , Fifth Edition
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Day 8. Understanding Pointers
One of the powerful but low-level tools available to a C++ programmer is the capability to manipulate computer memory directly by using pointers. This is an advantage that C++ has over some other languages, such as C# and Visual Basic.
Today, you will learn
• What pointers are
• How to declare and use pointers
• What the free store is and how to manipulate memory
Pointers present two special challenges when you’re learning C++: They can be somewhat confusing, and it isn’t immediately obvious why they are needed. Today’s lesson explains how pointers work, step-by-step. You will fully understand the need for pointers, however, only as the book progresses.
Note
The ability to use pointers and manipulate memory at ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.