December 2018
Beginner to intermediate
796 pages
19h 54m
English
Content preview from Learn Web Development with Python
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Why asynchronous?
Like most WSGI-based web frameworks, Django is synchronous. When a client requests a web page, the request reaches Django through a view and passes through various lines of code until the rendered web page is returned. As this communication waits or blocks until the process executes all this code, it is termed as synchronous.
New Django developers do not worry about creating asynchronous tasks, but I've noticed that their code eventually accumulates slow blocking tasks, such as image processing or even complex database queries, which leads to unbearably slow page loads. Ideally, they must be moved out of the request-response cycle. Page loading time is critical to user experience, and it must be optimized to avoid any delays. ...
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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.
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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.