DiegoSalazar

# memoized fibonacci in Ruby
class Fibber
  attr_accessor :hash
  def initialize
    @hash = {}
  end
  def memo_fib(n)
    for number in 0..n
      if number < 2
        @hash[number] = number

DiegoSalazar

#!/bin/sh

. git-sh-setup  # for die 
git-diff-index -p -M --cached HEAD -- | grep '^+' | grep -n '# debug' && die 'Blocking commit: debug detected in code'
:

DiegoSalazar

$.fn.rememberSelectedTab = (tabSelector = "aria_controls")->
  selectedTab = window.location.hash.replace "#", ""

  if selectedTab && selectedTab != ""
    $("[#{tabSelector}='#{selectedTab}']").click()

  @each ->
    $(@).find("ul.nav-tabs li").click ->
      name = $(@).find("a").attr tabSelector
      window.location.hash = name

DiegoSalazar

#
# Heroku helpers
# Example Usage: hcommand app-name
#

# open a Heroku rails console for an app
hcon() {
  appName=$(ensureHasArg $1)
  heroku run rails console -a $appName
}

DiegoSalazar

hcon() {
  appName=$1

  if [ -z "$appName" ]
    then
    echo "fucking provide a Heroku app name"
    exit 1
  fi

  heroku run rails console -a $appName

DiegoSalazar

thing = if something?
  "this"
else
  "that"
end

puts thing
# => "this" or "that"

DiegoSalazar

Rails naming conventions

General Ruby conventions

Class names are CamelCase.

Methods and variables are snake_case.

Methods with a ? suffix will return a boolean.

DiegoSalazar

def loop_size(node)
  0.tap do |idx|
    begin
      if node.instance_variable_get :@idx
        return idx - node.instance_variable_get(:@idx)
      else
        node.instance_variable_set :@idx, idx
        idx += 1
      end
    end while node = node.next

DiegoSalazar

ROUTES = {
  "GET /" => ["RootController", :show],
  "GET /home" => ["HomeController", :index],
  "GET /posts/:slug/comments/:id/edit" => ["CommentsController", :edit],
  "POST /posts/:slug/comments" => ["CommentsController", :create],
  "PUT /posts/:slug" => ["PostsController", :update]
}

router = Router.new ROUTES

DiegoSalazar

window.lastScroll = 0;
	
		$(function() {
			var lastSnap, isAnimating,
				snaps = $(".snap-to"),
				$window = $(window);
			
			var heights = snaps.map(function() {
				return $(this).offset().top;
			});