Skip to Content
Explore It!
book

Explore It!

by Elisabeth Hendrickson
February 2013
Intermediate to advanced
160 pages
4h 33m
English
Pragmatic Bookshelf
Content preview from Explore It!

Identifying Variables

Until you become accustomed to looking for variables, it can be difficult to spot the subtle and inaccessible variables. The trick is to use common patterns of variables to help you learn to see the things you can vary in your software. This section offers a list of kinds of variables to watch for in your software.

Things You Can Count

Every system has things you can count. It might be a count of user accounts in the system or the number of times an account is logged in. It could be the number of phone numbers associated with a profile or the number of printers configured on a machine. Perhaps it’s the number of files to be processed in a batch run or the number of records in a given file.

Counts are a subtle variable ...

Become 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,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

Perfecting Your Thinking Skills

Perfecting Your Thinking Skills

MIT Sloan Management Review
What Successful Project Managers Do

What Successful Project Managers Do

W. Scott Cameron, Jeffrey S. Russell, Edward J. Hoffman, Alexander Laufer
The Human Factor in AI-Based Decision-Making

The Human Factor in AI-Based Decision-Making

Philip Meissner, Christoph Keding

Publisher Resources

ISBN: 9781941222584Errata