April 2015
Intermediate to advanced
260 pages
5h 17m
English
Content preview from Level Up Your Web Apps With Go
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Chapter 8Gophr Part 5: Concurrency
In this chapter, we’re going to look at resizing uploaded images to provide better performance and less wasted bandwidth on the Gophr site. To do this, we’ll use a third-party image manipulation library. At the same time we’re going to explore one of the most powerful aspects of Go that we’re yet to cover: goroutines.
Goroutines
Goroutines are a way of running your code in an asynchronous manner, meaning that you can run more than one piece of code at the same time. Most web developers are familiar with this concept when talking about Ajax requests in the browser, where you make one or more requests from the page and deal with the response when it arrives via a callback; in the meantime you can continue running ...
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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.