February 2018
Intermediate to advanced
246 pages
6h 3m
English
Content preview from Distributed Computing with Go
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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.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.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.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.
An example – the inverted index for words in books
Let's take the data from the same example as before but now classified according to an inverted index:
* apple
- Book 1 - 4, 10, 20
- Book 3 - 36, 55, 74
* banana
- Book 2 - 14, 19, 66
* cake
- Book 2 - 10, 37, 45
- Book 3 - 1, 9, 77
* cat
- Book 1 - 10, 21, 22
* whale
- Book 3 - 11, 59, 79
* zebra
- Book 1 - 15, 25, 63
- Book 2 - 67, 100, 129
With this setup, we can efficiently answer following questions:
- Does a word exist in the index?
- What are all the books a word exists in?
- What pages does a word occur on in a given book?
Let's again try to find three words from the inverted index:
- apple
- banana
- parrot
* Searching for 'apple' - Scanning Inverted Index. Result: Found a list ...
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