TIL How to Select Merge with Ecto.Query
23 Aug 2019 in Today I Learned
Before you reach for adding another association to your schema, consider using Ecto.Query#select_merge/3 with a virtual field instead.
Today I Learned
Useful pro-tips that you can use on your own.
TIL Using Erlang Ports
17 Apr 2019 in Today I Learned
Use Ports and GenServers to communicate from your Elixir app to processes running outside the Erlang VM.
TIL Ecto Constraints and Validations
25 Mar 2019 in Today I Learned
Let’s take a look at how Ecto handles these two ways of ensuring data integrity
Walk-Through of Phoenix LiveView
19 Mar 2019 in Today I Learned
Learn how to use Phoenix LiveView for real-time features without complicated JS frameworks.
TIL GenServer's `handle_continue/2`
15 Feb 2019 in Today I Learned
Support non-blocking, async GenServer initialization callbacks with OTP 21’s nifty handle_continue/2!
TIL about `Process.send_after/4`
07 Feb 2019 in Today I Learned
Want to schedule something to run later? Need a reoccurring task? Today we learn how!
TIL How to Run Tests for One Child App in an Umbrella
17 Dec 2018 in Today I Learned
Run all of the tests, or just a specific tests, for a given child app in an umbrella application with this handy command.
TIL How to Run Ecto Migrations on Production
16 Dec 2018 in Today I Learned
What to do when you can’t use mix ecto.migrate
TIL about ExUnit's capture_log option
12 Dec 2018 in Today I Learned
Capture the output from Logger to clean up your test runs
TIL about `IO.inspect/2`'s `:label` opt
04 Dec 2018 in Today I Learned
Did you know you could label your output? Neither did we! Check out today’s TIL to learn more.