gustaflindqvist

class ActiveRecord::Base
  def can_destroy?
    self.class.reflect_on_all_associations.all? do |assoc|
      assoc.options[:dependent] != :restrict || (assoc.macro == :has_one && self.send(assoc.name).nil?) || (assoc.macro == :has_many && self.send(assoc.name).empty?)
    end
  end
end

gustaflindqvist

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

gustaflindqvist

# Det måste vara en tom rad här av någon anledning :)
sv:
  date:
    formats:
      default: "%Y-%m-%d"
      short: "%b %d"
      long: "%B %d, %Y"

    day_names: [Söndag, Måndag, Tisdag, Onsdag, Torsdag, Fredag, Lördag]
    abbr_day_names: [Sön, Mån, Tis, Ons, Tors, Fre, Lör]

gustaflindqvist

# bash alias
alias subl='/Applications/Sublime\ Text\ 2.app/Contents/SharedSupport/bin/subl'

# bash function, usage: $ st -p [projectname] -opt2 -opt3
function st() {
  if [ -n "$1" -a -n "$2" ]; then # if more than one argument
    if [ "$1" = "-p" -o "$1" = "--project" ]; then # if arg1 is -p or --project
      local projectfile="$2"
      [[ $projectfile != *.sublime-project ]] && projectfile="$2.sublime-project" # detect if arg2 already includes the ext
      if [ -e $projectfile ]; then # does project file exist?

gustaflindqvist

Sublime Text 2 – Useful Shortcuts (Mac OS X)

General

⌘T	go to file
⌘⌃P	go to project
⌘R	go to methods
⌃G	go to line
⌘KB	toggle side bar
⌘⇧P	command prompt

gustaflindqvist

Rails Models

Generating models

$ rails g model User

Associations

belongs_to

has_one

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# Install rvm system-wide
bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer )

# Update the packages
apt-get update
apt-get upgrade
apt-get install build-essential

# get the packages required by ruby
rvm pkg install zlib

gustaflindqvist

@media (min-width:320px) { /* smartphones, portrait iPhone, portrait 480x320 phones (Android) */ }
@media (min-width:480px) { /* smartphones, Android phones, landscape iPhone */ }
@media (min-width:600px) { /* portrait tablets, portrait iPad, e-readers (Nook/Kindle), landscape 800x480 phones (Android) */ }
@media (min-width:801px) { /* tablet, landscape iPad, lo-res laptops ands desktops */ }
@media (min-width:1025px) { /* big landscape tablets, laptops, and desktops */ }
@media (min-width:1281px) { /* hi-res laptops and desktops */ }

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webpack --display-modules | awk '{print $3$4"  "$2}' | grep -v bytes | sort -n | tail -100

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// Sticky Nav Component
var Sticky = (function() {
  'use strict';

  var CSS_CLASS_ACTIVE = 'is-fixed';

  var Sticky = {
    element: null,
    position: 0,
    addEvents: function() {