tkersey

The Algebra of [Type, Script]

Algebra

Symbols	Operations	Laws
0, 1, 2, x, y, z, ...	+, –, x, ÷, ...	0 + x = x, ...

Algebra

Symbols	Operations	Laws

kipcole9

defmodule FunctionClause do
  @moduledoc """
  Format function clauses using Exception.blame/3
  """

  @doc """
  Given a `module`, `function`, and `args` see
  if that function clause would match or not match.

  This is useful for helping diagnose function

Kartones

PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

• -E: will describe the underlaying queries of the \ commands (cool for learning!)
• -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)