avdgaag

def index(conn, _params) do
  conn = conn
  |> put_resp_content_type("text/csv")
  |> put_resp_header("content-disposition", "attachment; filename=export.csv")
  |> send_cunked(200)
  
  Repo.transaction fn ->
    Ecto.Adapters.SQL.stream(Repo, "COPY expensive_report TO STDOUT CSV HEADER")
    |> Stream.map(&(chunk(conn, &1.rows)))
    |> Stream.run

josephan

Thanks to the original blog post: https://equimper.com/blog/how-to-setup-tailwindcss-in-phoenix-1.4

1. Install tailwindcss and postcss-loader from npm:

cd assets
npm i --save-dev tailwindcss postcss-loader postcss-import

2. Initialize tailwind (still in assets directory)

bluzky

defmodule DateTimeParser do
  @mapping %{
    "H" => "(?<hour>\\d{2})",
    "I" => "(?<hour12>\\d{2})",
    "M" => "(?<minute>\\d{2})",
    "S" => "(?<second>\\d{2})",
    "d" => "(?<day>\\d{2})",
    "m" => "(?<month>\\d{2})",
    "y" => "(?<year2>\\d{2})",
    "Y" => "(?<year>-?\\d{4})",