May 2012
Intermediate to advanced
679 pages
16h 56m
English
Content preview from Object Oriented Programming with C++, Second 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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14.10 Errors and error handling in file operation
Programmers tend to be optimistic. They feel errors will not occur in a program. However, a good programmer will not assume such a thing. When we work with files we should imagine what types of errors may occur and write such a code that takes care of them.
- Attempting to open non-existent files
When we try to open a file either by associating with a file stream or using open function the operating system looks for the file in current directory. If the file does not exist it is clearly an error. The file opening operation fails.
- Trying to open a file with invalid name
This situation can also occur sometimes. You want to open a existing file, but you misspell it. (Let us assume that there is no ...
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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.