Andreas Wenk andywenk

andywenk / gist:3491760

Created August 27, 2012 19:55

orders complete

	show do \| order \|
	attributes_table do
	items = OrderItem.where("order_id=?", order.id)

	row :id
	row :user_id do
	user = User.find(order.user_id)
	link_to("#{user.first_name} #{user.last_name}", admin_user_path(order.user_id))
	end
	row "ORDER ITEMS" do

andywenk / gist:3569769

Created September 1, 2012 11:01

elasticsearch start/stop script

	#! /bin/sh
	### BEGIN INIT INFO
	# Provides: elasticsearch
	# Required-Start: $all
	# Required-Stop: $all
	# Default-Start: 2 3 4 5
	# Default-Stop: 0 1 6
	# Short-Description: Starts elasticsearch
	# Description: Starts elasticsearch using start-stop-daemon
	### END INIT INFO

andywenk / printer.rb

Created September 18, 2012 21:58

difference between size and length when using AR and DISTINCT

	class Printer < ActiveRecord::Base
	belongs_to :manufacturer
	has_many :printer_cartridges
	has_many :cartridges, :through => :printer_cartridges

	attr_accessible :name, :id, :manufacturer_id
	attr_accessor :manufacturer, :group, :page, :pages, :per_page, :total

	def initialize(args = {})
	super

andywenk / import-example.rb

Created November 4, 2012 21:34

csv-import-example

	# This is a basic example how to create an import from csv data. This could
	# be called in a rake task:

	namespace :db do
	namespace :import do
	desc "Import customer of old shop from csv"
	task :customer => :environment do
	csv_file = 'db/customer_data.csv'
	importer = Import::ImportCustomer.new(IO.read(csv_file))
	importer.import

andywenk / div_composing-example.html

Created November 11, 2012 15:30

div_composing-example

	<!doctype html>
	<html>
	<head>
	<title>div composing example</title>
	<style type="text/css">
	html, body {
	margin:0;
	padding:0;
	background-color: #ddd;
	}

andywenk / knockout-working-with-lists-and-collections.js

Created November 23, 2012 11:07

examples from knockout.js tutorial working with lists and collections

	// HTML code

	//<h2>Your seat reservations (<span data-bind="text: seats().length"></span>)</h2>

	//<table>
	// <thead><tr>
	// <th>Passenger name</th><th>Meal</th><th>Surcharge</th><th></th>
	// </tr></thead>
	// <!-- Todo: Generate table body -->
	// <tbody data-bind="foreach: seats">

andywenk / alias.rb

Created February 26, 2013 13:03

Sample code to show alias and alias_method is working in Ruby. The related blogpost can be found here: http://goo.gl/4dhVy

	#!/usr/bin/env ruby
	class NoAlias
	def nice_method
	puts 'I am the nice method'
	end

	def even_nicer_method
	puts 'I am the even nicer method'
	end

andywenk / alias.rb

Created February 28, 2013 20:00

	class Alias
	def even_nicer_method
	puts 'I am the total perfect method'
	end

	alias :nice_method :even_nicer_method
	end

	puts 'Example with the usage of alias'
	Alias.new.nice_method

andywenk / alias_method.rb

Last active December 14, 2015 08:39

	class AliasMethod
	def even_nicer_method
	puts 'AliasMethod::even_nicer_method called'
	end

	alias_method :nice_method, :even_nicer_method
	end

	puts 'Example with usage of alias_method'
	AliasMethod.new.nice_method

andywenk / mother_child.rb

Last active December 14, 2015 08:39