August 2016
Intermediate to advanced
635 pages
14h 5m
English
book
JavaScript: Functional Programming for JavaScript Developers
by Ved Antani, Simon Timms, Dan Mantyla
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Command
The command pattern is a method of encapsulating both the parameters to a method, as well as the current object state, and which method is to be called. In effect the command pattern packs up everything needed to call a method at a later date into a nice little package. Using this approach one can issue a command and wait until a later date to decide which piece of code will execute the command. This package can then be queued or even serialized for later execution. Having a single point of command execution also allows for easily adding functionality such as undo or command logging.
This pattern can be a bit difficult to imagine so let's break it down into its components:
Command message
The first component of the command pattern is, predictably, ...
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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.