June 2017
Intermediate to advanced
873 pages
18h 9m
English
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AJAX long polling request
From a client perspective, the AJAX long polling request looks similar to normal one. An important difference between them on the server side is that if the server doesn't have any information available or the client, it holds the request and waits for information to become available or for a suitable timeout, after which a completed response is sent to the client. The long polling requests reduces the amount of data that needs to be sent because the server only sends data when it is really available.
The long pooling request is useful in the following cases:
- When your solution must work in old web browsers
- When the data traffic between the client and server is low
- When the implementation is very simple
The advantages of using ...
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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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