September 2017
Beginner
278 pages
4h 24m
English
Content preview from Understanding SoftwareBecome 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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ISAR in a Single Line of Code
So, I said that SAR applies to a single line of code, but I didn't give you any examples. So here's a single line of code:
x = y + z
y and z in that line are part of the Structure. They're variables that hold some data. To make an analogy: A jug is a structure that holds water. A variable is a structure that holds data.
The numbers that are stored inside y and z are the Input. That's the data that we're doing something with.
+ is an Action: "Add these two numbers."
= is also an Action: "Store the result in x."
And, of course, the Result is the sum of y and z that gets stored in x. If y is 1 and z is 2, then the Result is the number 3, which gets stored in x. (Also note that x is itself a variable and thus also part of the ...
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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.
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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.