mint VS Elixir

We will use the Req library, a superset of Finch, which is itself a superset of Mint.

One example is HTTP libraries.

For instance, take Mint (https://github.com/elixir-mint/mint):

> Mint is different from most Erlang and Elixir HTTP clients because it provides a process-less architecture.

Mint is a low-level library which doesn't make attempt to manage processes (including HTTP pooling).

In contrast, Finch (which builds on top of Mint) includes pool management:

https://github.com/elixir-mint/mint#connection-management-an...

It can take someone a bit off guard when they realise that the library they use provide a "default pool" they were not aware of, and that it can become a bottleneck etc.

> no error checking at all

Functions that raise always end in `!` in Elixir, or at least they should. Most have alternatives that return error tuples instead which you can pattern match on (this is what I recommend). You can read the docs for `get/2` (as opposed to `get!/2` which raises) here: https://hexdocs.pm/req/Req.html#get/2.

A common pattern is for the `!` version to call the version that doesn't raise, check the result, and raise on error, which is the case here: https://github.com/wojtekmach/req/blob/9de30de0df481ee557ccc...

> and if "body" is JSON, how do you even get the raw body, or can you?

You would set `decode: false` when calling `get!/2: https://hexdocs.pm/req/Req.html#new/1. You can also set this as configuration with https://hexdocs.pm/req/Req.html#default_options/1.

As a closing note I'll mention that Req is intended to be a very high-level, scripting-friendly requests library, similar to Requests in Python. If you don't want conveniences like Req provides, you can either turn them off or use something different, like Finch (which Req is based on, https://github.com/sneako/finch). Other than Req and Finch I'm personally only familiar with HTTPoison, which is significantly older than all of the libraries derived from Mint (like Finch and Req, https://github.com/elixir-mint/mint) but still works. There are many others though, like Gun and Tesla and such.

I’m on MacOS and erlang.org, elixir-lang.org, and postgresql.org all suggest installation via Homebrew, which is a very popular package manager for MacOS.

But regardless of their reasons, they'll note that the service is easily meeting its SLOs. It was written in a highly performant, if idiosyncratic language, and uses patterns which give it a high level of resilience and the ability to recover from many situations automatically. The service is steady as a rock, and left to its own devices will more or less chug along indefinitely once deployed.

6. Elixir - $96,381

The Elixir 1.16 release candidate is out now, and it comes with some compelling improvements to diagnostics, documentation, and a few other enhancements that make Elixir an even better choice for developers.

You can find more examples in the PR https://github.com/elixir-lang/elixir/pull/13106.

As you might have guessed, one of the main use cases for entr is to rerun tests whenever files change. I'm an Elixir engineer, and I use entr to run mix test continuously whenever I save an Elixir file.

The diagram demonstrates the communication pathway between the browser and the Postgres database through the Electric service. Essentially, Electric Sync Service, an Elixir application, orchestrates active-active data replication between the user's local DB and Postgres.

The Elixir programming language is no stranger to desktop applications as the language actually supports building them out of the box. It uses wxWidgets: a C++ library that lets developers create applications for Windows, macOS, Linux and other platforms with a single code base. But wxWidgets has a very complex API, and doesn’t solve issues that usually come with desktop applications around packaging.

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