Modern Talking with Elixir: Messenger App Tutorial with Phoenix LiveView

Modern Talking with Elixir: Messenger App Tutorial with Phoenix LiveView

Have you ever wondered why Elixir and its ecosystem is gradually becoming the go-to platform for many web application developers who want both performance and productivity, not a tradeoff between them?

Well, we'll show you why - and we'll do it via a thorough crash course of Phoenix Framework's hot deal, Phoenix LiveView, using which we'll build a Messenger-like live chat application.

In a series of articles (don't forget to subscribe to our newsletter!), we'll convince you that Phoenix LiveView will revolutionize the way you create reactive UIs!

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What's the difference between alias, import, require and use in Elixir? A complete guide with use cases

What's the difference between alias, import, require and use in Elixir?

In most programming languages we often deal with instructions responsible for handling dependencies. Elixir is no different.

In Elixir, dependency is nothing more than compiled module which for some reason you want to use in another module. There are a couple of instructions that we use in Elixir to either make it easier or possible to interact with modules.

In this blog post I'll explain and present use case examples of four of them:

  • alias,
  • require,
  • import,
  • use.
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How database transactions work in Ecto and why Elixir makes it awesome?

How database transactions work in Ecto and why Elixir makes it awesome?

Today we're going to look at how Ecto, which is Elixir's first-choice database access library, addresses the issue of handling database transactions. We'll briefly introduce you to the very concept of transaction, then focus on describing the Ecto way of handling them, and explaining how it feels superior to what other languages' libraries offer us in this department. We'll give plenty of examples corresponding to a simple app you can pull from our GitHub repository, so you can have some fun testing it out!

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