April 2013
Intermediate to advanced
1700 pages
92h 51m
English
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Delegates
The capability to pass blocks of code around for use in another place is very powerful. A typical task that requires such a setting is the creation of a new background thread, which requires specifying the code that should be run by the thread. Some platforms have solved this by providing single-method interfaces like Runnable. This is quite some plumbing just to pass a piece of code around. Another possibility is the use of function pointers, but type safety suffers in such an approach.
Delegates combine the conciseness of function pointers while preserving the type safety characteristic of single-method interfaces but without the ceremony to deal with them. An example that deals with threading is shown here:
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O’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.
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.