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In part one of this series we created a GenServer process that stores the pricing data for different cryptocurrencies. Now that we have a way to store the pricing data, we need to update our application so that when a user adds a cryptocurrency through the UI, the price will be tracked by our CoinWorker.
Currently when we add a coin from the UI we get an error. This is because we haven’t implemented an action to handle the post from our form. Let’s do that now…
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In this episode we’ll build a chat application that has multiple chat rooms. The rooms will be created dynamically from the URL and will use Phoenix Channels to provide realtime functionality.
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In part one of this series we’ll lay the foundation for our application. First we’ll see how we can fetch cryptocurrency prices. Then we’ll create a GenServer to store the prices and add it to our supervision tree.
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In this episode we’ll take an existing contact form and see how Ecto changesets can be used to perform schemaless form validations and display errors.
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