Marcio Lopes de Faria marciol

marciol / with.exs

Created April 15, 2016 14:25 — forked from nsomar/with.exs

Handling errors with `with`

	res =
	with {:ok} <- validate_request(request),
	{:ok, user} <- get_user(request),
	{:ok} <- update_db(user),
	{:ok} <- send_email(user) do
	return_http_message
	end

	case res do
	{:error, x} -> IO.inspect("Error: " <> x)

marciol / postgres_queries_and_commands.sql

Created October 21, 2016 17:03 — forked from rgreenjr/postgres_queries_and_commands.sql

Useful PostgreSQL Queries and Commands

	-- show running queries (pre 9.2)
	SELECT procpid, age(query_start, clock_timestamp()), usename, current_query
	FROM pg_stat_activity
	WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
	ORDER BY query_start desc;

	-- show running queries (9.2)
	SELECT pid, age(query_start, clock_timestamp()), usename, query
	FROM pg_stat_activity
	WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'

marciol / gist:1976313e048f51705731b400b936fcc2

Created October 27, 2016 01:25 — forked from bernardo-cs/gist:9e74994330d58dde17fa

Pryrc alias

	Pry.config.editor = "vim --noplugin"

	if defined?(PryByebug)
	Pry.commands.alias_command 'c', 'continue'
	Pry.commands.alias_command 's', 'step'
	Pry.commands.alias_command 'n', 'next'
	Pry.commands.alias_command 'f', 'finish'
	Pry.commands.alias_command 'b', 'break'
	Pry.commands.alias_command 'bda', 'break --disable-all'
	end

marciol / multi_tenancy.go

Last active February 7, 2017 16:33

marciol / config.ex

Created February 22, 2017 18:08 — forked from bitwalker/config.ex

Useful config wrapper for Elixir

	defmodule Config do
	@moduledoc """
	This module handles fetching values from the config with some additional niceties
	"""

	@doc """
	Fetches a value from the config, or from the environment if {:system, "VAR"}
	is provided.

	An optional default value can be provided if desired.

marciol / second.erl

Created February 26, 2017 02:29

Functional Erlang Mooc

	-module(second).
	-export([hypotenuse/2, perimeter/2]).

	hypotenuse(A, B) ->
	AA = first:square(A),
	BB = first:square(B),
	math:sqrt(AA + BB).

	perimeter(A, B) ->
	C = hypotenuse(A, B),

marciol / vim_remove_unicode

Created June 16, 2017 19:39

VIM - Remove zero-width spaces

	# Remove zero-width spaces
	:%s/\%u200b//g

marciol / vim_remove_unicode

Created June 16, 2017 19:39

VIM - Remove zero-width spaces

	# Remove zero-width spaces
	:%s/\%u200b//g

marciol / Elixir Brasil - Palestras e Vídeos.md

Last active January 26, 2020 00:42

Elixir Brasil - Palestras e Vídeos.

Palestras e Vídeos produzidos pela comunidade Elixir Brasil.

marciol / psql-with-gzip-cheatsheet.sh

Created October 30, 2018 20:23 — forked from brock/psql-with-gzip-cheatsheet.sh

Exporting and Importing Postgres Databases using gzip

	# This is just a cheat sheet:

	# On production
	sudo -u postgres pg_dump database \| gzip -9 > database.sql.gz

	# On local
	scp -C production:~/database.sql.gz
	dropdb database && createdb database
	gunzip < database.sql.gz \| psql database