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config :my_app, MyApp.Example,
  api_key: env!("EXAMPLE_API_KEY", :string, ""),
  hook_secret: env!("EXAMPLE_HOOK_SECRET", :string, ""),
  verification_secret: env!("EXAMPLE_VERIFICATION_SECRET", :string, ""),
  base_url: "https://myapp.api.example.com"

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[other_secret: "original_secret"]

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defp set_other_secret(_) do
  original_config = Application.get_env(:my_app, MyApp.Example)
  hash = generate_fake_hash()

  updated_config = Keyword.put(original_config, :other_secret, hash)
  Application.put_env(:my_app, MyApp.Example, updated_config)

  on_exit(fn ->
    Application.put_env(:my_app, MyApp.Example, original_config)
  end)

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Application.put_env(:my_app, MyApp.Example, other_secret: original_secret)

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defp set_other_secret(_) do
  original_secret = Application.get_env(:my_app, MyApp.Example)[:other_secret]
  hash = fake_hash()
  Application.put_env(:my_app, MyApp.Example, other_secret: hash)

  on_exit(fn ->
    Application.put_env(:my_app, MyApp.Example, other_secret: original_secret)
  end)

  {:ok, other_secret: hash}

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[other_secret: "original_secret"]

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@config Application.compile_env(:my_app, MyApp.Example)
@api_key @config[:api_key]
@base_url @config[:base_url]

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• Why standardize messages? Its clean. Easy to see what changed and when. As an up-and-coming developer, my repos will probably be potential employers first impressions of me. Clean code (proper indentions/spacing etc) and formatted commit messages help show that I care about my code.

• The workflow is to create a .txt file as a template, and configure git to use that file as the default message when commiting.

• The key is the character count. Note the dashed lines representing 50 characters for the summary, and 72 for the description.

####implimentation####

• cd ~ #to confirm in the home directory

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defmodule Atlas.Mapping.CSVUtil do
  @moduledoc """
    Utility module to ingest `destination.csv`
  """

  alias NimbleCSV.RFC4180, as: CSV
  alias Atlas.{Mapping, Mapping.Destination, Repo}

  def csv_row_to_table_record(file) do
    column_names = get_column_names(file)

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require IEx; IEx.pry()

• Exit pry session inside an IEx session

  • respawn

• pry in test suite

  • iex -S mix test --trace

• Official docs

  • https://github.com/elixir-lang/elixir/blob/master/lib/iex/lib/iex.ex

• Debugging in views, tests, etc