Guilherme Y. Hatano guihatano

## cheatsheet.rb
# Basic key operators to query the JSON objects :

# #> : Get the JSON object at that path (if you need to do something fancy)
# -> : Get the JSON object at that path (if you don't)
# ->> : Get the JSON object at that path as text
# {obj, n} : Get the nth item in that object

# https://www.postgresql.org/docs/9.4/functions-json.html#FUNCTIONS-JSONB-OP-TABLE
# Date
# date before today

## depends_on.js
(function( $ ){

  $.fn.dependsOn = function(element, value) {
    var elements = this;
    var hideOrShow = function() {
      var $this = $(this);
      var showEm;
      if ( $this.is('input[type="checkbox"]') ) {
        showEm = $this.is(':checked');
      } else if ($this.is('select')) {

## mysql-docker.sh
# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE


## 01-safe-download.rb
require "open-uri"
require "net/http"

Error = Class.new(StandardError)

DOWNLOAD_ERRORS = [
  SocketError,
  OpenURI::HTTPError,
  RuntimeError,
  URI::InvalidURIError,

## bootstrap_pagination_helper.rb
module BootstrapPaginationHelper
  class LinkRenderer < WillPaginate::ActionView::LinkRenderer
    protected

      def page_number(page)
        if page == current_page
          link(page, "#", :class => 'active')
        else
          link(page, page, :rel => rel_value(page))
        end

## replace-debian-with-arch.txt
# Download latest archlinux bootstrap package, see https://www.archlinux.org/download/
wget http://ftp.nluug.nl/os/Linux/distr/archlinux/iso/2016.01.01/archlinux-bootstrap-2016.01.01-x86_64.tar.gz

# Make sure you'll have enough entropy for pacman-key later.
apt-get install haveged

# Install the arch bootstrap image in a tmpfs.
mount -t tmpfs none /mnt
cd /mnt
tar xvf ~/archlinux-bootstrap-2016.01.01-x86_64.tar.gz --strip-components=1
	# Basic key operators to query the JSON objects :

	# #> : Get the JSON object at that path (if you need to do something fancy)
	# -> : Get the JSON object at that path (if you don't)
	# ->> : Get the JSON object at that path as text
	# {obj, n} : Get the nth item in that object

	# https://www.postgresql.org/docs/9.4/functions-json.html#FUNCTIONS-JSONB-OP-TABLE
	# Date
	# date before today
	(function( $ ){

	$.fn.dependsOn = function(element, value) {
	var elements = this;
	var hideOrShow = function() {
	var $this = $(this);
	var showEm;
	if ( $this.is('input[type="checkbox"]') ) {
	showEm = $this.is(':checked');
	} else if ($this.is('select')) {
	# Backup
	docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

	# Restore
	cat backup.sql \| docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE
	require "open-uri"
	require "net/http"

	Error = Class.new(StandardError)

	DOWNLOAD_ERRORS = [
	SocketError,
	OpenURI::HTTPError,
	RuntimeError,
	URI::InvalidURIError,
	module BootstrapPaginationHelper
	class LinkRenderer < WillPaginate::ActionView::LinkRenderer
	protected

	def page_number(page)
	if page == current_page
	link(page, "#", :class => 'active')
	else
	link(page, page, :rel => rel_value(page))
	end