warolv

$(document)
  .on('ajax:beforeSend', '#scheduling_options_form', function() {
    console.log('beforeSend');
    $('.ajax-loader').show();
  })
  .on('ajax:success', '#scheduling_options_form', function(data, status, xhr) {
    console.log('Success');
    $('.ajax-loader').hide();
  })
  .on('ajax:error', '#scheduling_options_form', function(data, status, xhr) {

warolv

- if content_for?(:angular_module)
  = javascript_include_tag 'angular'
  = javascript_include_tag 'angular-resource'
  = javascript_include_tag 'angular-ui-bootstrap'
  = javascript_include_tag 'angular-sanitize'

warolv

class StaffController < ApplicationController
  respond_to :json

  def index
    respond_with Staff.all
  end

  def show
    respond_with Staff.find(params[:id])
  end

warolv

rake db:migrate VERSION=20080906120000

rake db:rollback

rake db:migrate:redo STEP=3

rake db:migrate:up VERSION=20080906120000

rake db:migrate:down VERSION=20080906120000

warolv

git reset --soft HEAD^   -> undo last commit and save changes  
git reset --hard HEAD~1  -> undo last commit and remove changes
git reset --hard HEAD~2  -> undo 2 last commits and remove changes
git revert commit-hash  -> create new commit which reverts last commit
git checkout .  -> remove all uncommitted changes
git checkout filename -> undo changes in specific file
git clear -df  -> remove all untracked files
git rm filename -> remove file from index, after your did git add filename 
git commit --amend -> change message of last commit