Silly question,
I have not yet recruited elixir devs, but might in the future, why do you want them to implement flatten rather than fold/reduce since it should be more generic?
Do you give them extra points if they implement fold accidentally?
krstfk
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D4no0
Does it matter? I wouldn’t even bother giving recursion exercises as you mostly will never use it, I would rather just ask the difference between tail recursion and the generic one.
My opinion is that these exercises are only useful for hiring fresh graduates, as there is no way to ascertain their skills otherwise, as for people with experience, just ask them about some tricky things like concurrency in their language, and if they know what they are talking about then you are good to go.
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shansiddiqui94
krstfk
It doesn’t, I’m just curious regarding hiring/onboarding procedures. I didn’t mean anything by that.
To the OP, by far my favourite resource is Elixir in Action.
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shansiddiqui94
A lot of Elixir Developers always point to these books.. Why is that Elixir is still far back in the books? Most other languages have a magnitude of resources. I find it strange.
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CharlesIrvine
For Elixir only, I think the official getting started docs are excellent:
For LiveView the course at LiveView Course | The Pragmatic Studio is really good. This might be your best bet for Phoenix as well.
For Phoenix itself, all of the Phoenix books at Community — Phoenix v1.8.8 are all dated and official docs aren’t that good for those just getting started. I don’t know what I would recommend.
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Sanjibukai
To be fair, there are many books (most of them from PragProg and a couple from manning)… But in all fairness, I also found the number of Elixir’s book to be low… But it’s just because it’s not that popular (to my regret) and this.. I can’t even understand why this so beautiful language and community hadn’t gotten more traction.
Also I remember having read a comment from José somewhere about why it’s not even fair to compare Elixir with other languages in book stores because of the way search results was distorting the reality.. Something along these lines… But it was interesting..
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Aetherus
Not silly at all. The problem is, I’m not the one who decided to give such a question to the interviewees. I guess fold can easily be written in an iterative fashion, while flatten is relatively hard to be implemented iteratively. I think that’s why there’s no Enum.flatten/1 in Elixir (I know there’s only recursion in Elixir).
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jschepmans
No it’s free and open source (I’ve also contributed a little when it was still in beta). They use it for their bootcamp (which is not free) but the curriculum itself can be downloaded and started with Livebook. It’s all explained on their Github readme, which also links to a setup guide.
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