December 2014
Intermediate to advanced
164 pages
2h 14m
English
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CHAPTER 13
Errors and Exceptions
Within Ruby, as well in almost all other object-oriented and procedural-based programming languages, we have the option to throw and handle errors and exceptions within our code. Some of these errors and exceptions we will want to generate ourselves, such as when we have detected some abnormal behavior within the system, whereas other errors and exceptions will be thrown from the Ruby language itself, or other third-party libraries.
For example, we have built a system that allows some text and a photo to be uploaded to an external service (for example, Twitter). We will want to throw our own errors if the user’s ...
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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.