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Jonathan Strickland
djanatyn
very curious, trying to grow. into haskell, rust, lisp, and nix
I want to use Nix for development, but... -- answers to common concerns about Nix
Nix seems perfect for developers - until I try to use it...
Want to use Nix for development but you're not sure how? Concerned about the
fluidity of nixpkgs channels or not being able to easily install arbitrary
package versions?
When I first heard about Nix it seemed like the perfect tool for a developer.
When I tried to actually use it for developing and deploying web apps, though,
the pieces just didn't seem to add up.
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async/await is just the do-notation of the Promise monad
async/await is just the do-notation of the Promise monad
CertSimple just wrote a blog post arguing ES2017's async/await was the best thing to happen with JavaScript. I wholeheartedly agree.
In short, one of the (few?) good things about JavaScript used to be how well it handled asynchronous requests. This was mostly thanks to its Scheme-inherited implementation of functions and closures. That, though, was also one of its worst faults, because it led to the "callback hell", an seemingly unavoidable pattern that made highly asynchronous JS code almost unreadable. Many solutions attempted to solve that, but most failed. Promises almost did it, but failed too. Finally, async/await is here and, combined with Promises, it solves the problem for good. On this post, I'll explain why that is the case and trace a link between promises, async/await, the do-notation and monads.
First, let's illustrate the 3 styles by implementing
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Quick and dirty Spelunky 2 asset extraction. Assets are a weird chacha20 variant, there are at least two cryptographic errors due to typos....
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