September 2012
Beginner
744 pages
19h 30m
English
Content preview from Beginning Visual Basic 2012Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3
Writing Software
What You Will Learn in this Chapter
- Understanding algorithms
- Using variables
- Exploring different data types, including integers, floating-point numbers, strings, and dates
- Studying code scope
- Understanding debugging applications basics
- Understanding how computers store data in memory
Wrox.com Code Downloads for this Chapter
The wrox.com code downloads for this chapter are found at www.wrox.com/remtitle.cgi?isbn=1118311813 on the Download Code tab. The code is in the 311813 C03.zip download and individually named according to the names given throughout the chapter.
Now that you have Visual Basic 2012 up and running and have even written a simple program, you're going to look at the fundamentals behind the process of writing software and start putting together some exciting programs of your own.
Information and Data
Information describes facts and can be presented or found in any format, whether that format is optimized for humans or computers. For example, if you send four people to different intersections to manually survey traffic, at the end of the process you will end up with four handwritten tallies of the number of cars that went past (say, a tally for each hour).
The term data is used to describe information that has been collated, ordered, and formatted so it can be used by a piece of computer software. The information you have (several notebooks full of handwritten tallies) cannot be directly used by a piece of software. Instead, someone has ...
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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.