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The Little Elixir & OTP Guidebook
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Elixir is a functional programming language built on the Erlang virtual machine. It combines the productivity and expressivity of Ruby with the concurrency and fault-tolerance of Erlang. Elixir makes full use of Erlang's powerful OTP library, which many developers consider the source of Erlang's greatness, so you can have mature, professional-quality functionality right ou
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ebook, 250 pages
Published
April 2015
by Manning
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I was asking myself a question - do we really need another book about Elixir? I mean - there are not that many already present, but those that are represent a truly remarkable quality ("Elixir in Action", "Programming Elixir"). So, what's the point?
Fortunately this book aims a specific niche (& it helps to make it stand out a bit) - it's far less about Elixir & far more about OTP (the platform). Intro to the language itself does not cover everything, just what is need to start playing with OTP. ...more
Fortunately this book aims a specific niche (& it helps to make it stand out a bit) - it's far less about Elixir & far more about OTP (the platform). Intro to the language itself does not cover everything, just what is need to start playing with OTP. ...more

Good overview of OTP. I thought theme throughout the book to implement OTP and erlang/elixir features was the most useful. It helps break through the magical aspects of these features and reason about how one would implement these into a larger system. I thought the Supervisor tree was the most useful section but the distributed/fault tolerance chapters were the most fun and impressive.
Would recommend to those that want to get a good taste of what comprises OTP.
Would recommend to those that want to get a good taste of what comprises OTP.

Jul 28, 2016
Geoff Lanotte
rated it
really liked it
Recommends it for:
Anyone that has some familiarity with Elixir that wants to learn OTP
This was a good book that went into Elixir and specifically OTP in good detail, it did not spend too much time on the basics at all. The challenge with this book will be that elixir is moving so fast, some of the code was dated by the time that I went to code up some of the examples. I was able to find most of the answers to my problems and that helped me understand what was happening even more.
This is by design an intermediate book, and I think some priming would be helpful before jumping into ...more
This is by design an intermediate book, and I think some priming would be helpful before jumping into ...more

Definitely a good read. I'd probably recommend for someone who is starting with OTP and wants to learn step by step with some examples.
While I think that it's not the best book to read from cover to cover from the sofa because it's very example-heavy and doesn't have that much actual literature, it is a good choice if your objective is to gain a good thorough understanding of OTP mechanics by trying out the examples yourself.
Regarding the content, it barely covers distributed Erlang, no more tha ...more
While I think that it's not the best book to read from cover to cover from the sofa because it's very example-heavy and doesn't have that much actual literature, it is a good choice if your objective is to gain a good thorough understanding of OTP mechanics by trying out the examples yourself.
Regarding the content, it barely covers distributed Erlang, no more tha ...more

I have to admit that I am totally in love with how this book is written. Benjamin has a real gift of teaching others. All, here, in this book, is written in simple and easy to understand manner, so even if you are not a senior developer you will understand almost everything.
Another, even bigger than previous, plus of this book is that it aiming to explain not only Elixir but also OTP and it's a most important feature like GenServer & Supervision and debugging techniques and how Erlang distributi ...more
Another, even bigger than previous, plus of this book is that it aiming to explain not only Elixir but also OTP and it's a most important feature like GenServer & Supervision and debugging techniques and how Erlang distributi ...more

Very useful for speed learning Elixir. It's a bit hard to follow if you're a complete beginner to Elixir and you need to research the language while reading, in order to understand the contents, though this way one seems to learn faster...
The examples are a bit outdated, though. The Supervisor.Spec way of writing Supervised applications is deprecated but most of the examples are built on it.
The writing style is quite good as well. ...more
The examples are a bit outdated, though. The Supervisor.Spec way of writing Supervised applications is deprecated but most of the examples are built on it.
The writing style is quite good as well. ...more

Mar 18, 2020
André M. Bonkowski
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Did not complete

If you are new to Elixir / OTP this is definitely a must-read. However, for those new to Elixir, I recommend reading Programming Elixir: Functional > Concurrent > Pragmatic > Fun first. That's because "Little Elixir..." does not delve much into Elixir as a language but rather concentrates on its concurrency and other OTP features.
And that's what I really like about it - it addresses the areas hard to find in other Elixir books - like property based testing or concurrency testing.
The examples are ...more
And that's what I really like about it - it addresses the areas hard to find in other Elixir books - like property based testing or concurrency testing.
The examples are ...more
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