January 2015
Intermediate to advanced
198 pages
4h 27m
English
Content preview from Python for Google App EngineBecome 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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Making our application real time
To show how to use the Channel API, we will add a small feature to our Notes application. If we open the main page in a browser, there is no way for us to realize that a new note was created until we refresh the page. As a note can be created using the inbound e-mail service, it'd be nice to immediately see the change in our browser.
We are going to implement this feature using the Channel API: when we visit the main page, our application will open a channel, which will wait for new notes to be created. We will keep things as simple as possible for the scope of this book, and to avoid writing too much JavaScript code, we won't modify the Document Object Model (DOM) of the page; we will only show a dialog that suggests ...
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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.