Johan Duarte johand

Keybase proof

I hereby claim:

I am johand on github.
I am johand (https://keybase.io/johand) on keybase.
I have a public key whose fingerprint is 7AC6 D647 EE90 7337 AB41 2FAC 410E 032B 7EAB 9A85

To claim this, I am signing this object:

dev-perl/Crypt-OpenSSL-Bignum
virtual/perl-Math-BigInt
dev-perl/class-loader
sci-mathematics/pari
dev-perl/Math-BigInt-GMP
dev-perl/math-pari
dev-perl/crypt-random
dev-perl/crypt-dh
dev-perl/Crypt-Blowfish

Installation

pacman -S mpd ncmpcpp

MPD

copy the example configuration in mpd.conf

# cp /usr/share/doc/mpd/mpdconf.example /etc/mpd.conf

Colección de alias para GIT

Información para agregar un alias aquí

Git log con colores

lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%C(bold blue)<%an>%Creset' --abbrev-commit

Git log en formato JSON

Rails test suite

Configuration for

RSpec
shoulda matchers
capybara
factorybot
database_cleaner
omniauth-facebook

Upgrading PostgreSQL to a major version in Archlinux

# pacman -S postgresql-old-upgrade

# systemctl stop postgresql.service

# mv /var/lib/postgres/data /var/lib/postgres/olddata

	PDF_FLAGS = --fontsize 9.0 \
	no-links \
	no-toc \
	charset iso-8859-1

	MD = ../capitulos/00-inicio.md \
	../capitulos/01-numeros.md \
	../capitulos/02-textos.md \
	../capitulos/03-variables.md \
	../capitulos/04-conversiones.md \

	#hw 1-1: fun with strings

	def palindrome?(str)
	letters = str.downcase.scan(/\w/)
	letters == letters.reverse
	end

	def count_words(str)
	str = str.downcase.split
	words = {}

	HEROKU_CLIENT_URL="http://assets.heroku.com.s3.amazonaws.com/heroku-client/heroku-client.tgz"

	echo "This script requires superuser access to install software."
	echo "You will be prompted for your password."

	su -c "sh <<SCRIPT

	# download and extract the client tarball
	rm -rf /usr/local/heroku
	mkdir -p /usr/local/heroku

	class Dijkstra
	attr_reader :graph, :costs, :parents, :processed

	def initialize(graph, costs, parents)
	@graph = graph
	@costs = costs
	@parents = parents
	@processed = []
	end