Rails is not written in Ruby

This page summarizes the projects mentioned and recommended in the original post on news.ycombinator.com

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  • pak

    A namespaced package system for Ruby

    (the link jumps to some random place for me)

    Well, you always could, it was just a bit more involved:

    https://github.com/lloeki/pak

  • proposal-Array.prototype.includes

    Spec, tests, reference implementation, and docs for ESnext-track Array.prototype.includes

    JavaScript supports monkey patching by modifying prototype objects too. But it is considered to be bad practice because it modify the behavior globally, and some method name conflict may cause trouble. An example is Array.prototype.contains couldn't be added because it will break another library, so it is renamed to Array.prototype.includes. (Source: https://github.com/tc39/proposal-Array.prototype.includes)

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

  • ROM

    Data mapping and persistence toolkit for Ruby

    Just wanted to say that the authors libraries, especially ROM [0], are incredible and have played a huge influence on me as a developer. I learned a lot using and diving through the code.

    [0]: https://rom-rb.org/

  • proposal-pipeline-operator

    A proposal for adding a useful pipe operator to JavaScript.

    Same thing, but for JavaScript: https://github.com/tc39/proposal-pipeline-operator

    Going forward, the pipe operator is going to be showing up in many new languages. I've used elixir a lot, and the pipe operator is a genius piece of syntactic sugar.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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