November 2013
Intermediate to advanced
148 pages
3h 12m
English
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Programming for the Node.js Event Loop
Let’s get started by developing a couple of simple programs that watch files for changes and read arguments from the command line. Even though they’re short, these applications offer insights into Node’s event-based architecture.
Watching a File for Changes
Watching files for changes is a convenient problem to start with because it demands asynchronous coding while demonstrating important Node concepts. Taking action whenever a file changes is just plain useful in a number of cases, ranging from automated deployments to running unit tests.
Open a terminal to begin. On the command line, navigate to an empty directory. You’ll use this directory for all of the code examples in this chapter. Once there, use the ...
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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.