September 2017
Beginner to intermediate
396 pages
9h 46m
English
Content preview from Haskell Cookbook
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How it works...
In the preceding recipe, we took the following steps to store information in a session:
- The withSession function introduces the session lens into the handler. At the end of the request, the withSession function commits the changes to the session.
- The with function allows us to use the session functions in the handler.
- The function setInSession allows us to set a key to the value that we would like.
- The function getFromSession allows us to get a key if it is present in the session.
- We use initCookieManager to initialize the cookie-based session manager supplied with the snap framework. The cookie manager is configured with site_key.txt, a file where a private encoding key for the session manager will be stored, the name of ...
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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.