June 2005
Beginner
480 pages
10h 31m
English
Content preview from SAMS Teach Yourself Perl in 24 Hours THIRD EDITIONBecome 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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Recipes for Structures
The following sections present some of the more common arrangements of lists and hashes into structures.
Example: A List of Lists
Lists of lists in Perl are often used to represent a common structure called a two-dimensional array. That is, a normal array is a linear list of values, as illustrated here:
A two-dimensional array is like a grid of values in which each element is addressed like a point with coordinates along two axes. The first part of the index indicates a row number (starting with 0), and the second is the column, as you can see here:
Perl doesn't really support a true two-dimensional array. However, Perl ...
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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.
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.