July 2017
Intermediate to advanced
434 pages
12h 59m
English
Content preview from FreeSWITCH 1.8
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nested conditions
Conditions can be nested one inside each other. Nested conditions is hard, very very hard to get right. You may want to use a script, instead (yes, yes, you want to use a script). See previous chapter for Lua scripting.
When a (main) condition has nested conditions, first its (main) expression is evaluated, and its (main) actions are pushed in TODO list, then nested conditions are evaluated, and their actions pushed.
Each condition has an implied parameter "require-nested", that is by default set to "true".
When we have a condition with require-nested parameter set to "true", then ALL its nested conditions must evaluate to true (AND its expression must evaluate to true) for the condition to be evaluated to true.
If "require-nested ...
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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.