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#Add in your project in config/initializers/will_paginate.rb

#in my case I'm adding the attribute page_number with value of target

WillPaginate::ActionView::LinkRenderer.class_eval do
  def link(text, target, attributes = {})
    attributes.merge!(page_number: "#{target}")
    super text, target, attributes
  end
end

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Some JavaScript

// Delete confirmation modals
$('#delete-confirm').on('show', function() {
  var $submit = $(this).find('.btn-danger'),
      href = $submit.attr('href');
  $submit.attr('href', href.replace('pony', $(this).data('id')));

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# Paginate a collection
#
# Usage:
#
# {% paginate contents.projects by 5 %}
#   {% for project in paginate.collection %}
#     {{ project.name }}
#   {% endfor %}
#  {% endpaginate %}
#

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Setting up and installing rbenv, ruby-build, rubies, rbenv-gemset, and bundler

This guide enables you to install (ruby-build) and use (rbenv) multiple versions of ruby, isolate project gems (gemsets and/or bundler), and automatically use appropriate combinations of rubies and gems.

TL;DR Demo

# Ensure system is in ship-shape.

aptitude install git zsh libssl-dev zlib1g-dev libreadline-dev libyaml-dev

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#First you need to copy password_salt and encrypted_password to your new object model

#Using this because I have to export my database User to another application and old, 
# app are using devise 1.0.x and new app using 2.1.x


Class User < ActiveRecord::Base
 alias :devise_valid_password? :valid_password?
    def valid_password?(password)
      begin

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Sublime Text 2 – Useful Shortcuts (Mac)

Loosely ordered with the commands I use most towards the top. Sublime also offer full documentation.

Editing

Cmd+C	copy current line (if no selection)
Cmd+X	cut current line (if no selection)
Ctrl+⇧+K	delete line
Cmd+↩	insert line after