Sergio Tapia

How to use FontAwesome in your React Native applications (iOS and Android)

Usage is pretty simple these days thanks for huge efforts made by the very talented engineers working on React Native.

Generate images with name initials using Elixir and ImageMagick.

When a new user signs up to your website, you may want to generate an initial profile picture for them using their initials.

Killing all socket connections for a user in Phoenix Framework

Sometimes you want to cut off all socket connections for a user in your application.

A specific scenario: You deactivate a user, and while you protect your APIs from deactivated users, that socket…

How to show all Ecto query data in iex.

Here’s a quick tip for those times when you’re querying Ecto data in iex.

You’re running a query in your terminal using iex -S mix, and the data you’re getting back is truncated at the end.

%MyApp.Accounts.User…

How to block Chinese IP addresses in Phoenix Framework.

Everyone has been in this situation at least once.

You’re relaxing, enjoying a nice afternoon working on a feature and suddenly you start seeing a bunch of traffic China doing all sorts of interesting things…

Phoenix Framework — Direct Uploading to Amazon S3.

How to version your Phoenix Framework API.

Versioning your API is very important as it allows you to scope implementations to a specific number in case you want to change the way things are done later down the line.

How to send emails from Phoenix using Elixir and Mandrill.

Sending out emails using Mandrill is great for both sides of your team. Your designers/marketing team can build out an email using Mailchimp’s great UI designer. You can send out emails by just replacing merge_vars.