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Pagination 101

Article by Faruk Ateş, [originally on KuraFire.net][original] which is currently down

One of the most commonly overlooked and under-refined elements of a website is its pagination controls. In many cases, these are treated as an afterthought. I rarely come across a website that has decent pagination, and it always makes me wonder why so few manage to get it right. After all, I'd say that pagination is pretty easy to get right. Alas, that doesn't seem the case, so after encouragement from Chris Messina on Flickr I decided to write my Pagination 101, hopefully it'll give you some clues as to what makes good pagination.

Before going into analyzing good and bad pagination, I want to explain just what I consider to be pagination: Pagination is any kind of control system that lets the user browse through pages of search results, archives, or any other kind of continued content. Search results are the o

	#!/usr/bin/env ruby
	require 'rubygems'
	gem 'rack', '=0.9.1'
	gem 'thin', '=1.0.0'
	require 'sinatra'

	get '/' do
	content_type 'text/plain'
	"Hello, world"
	end

	# Critical default settings:
	disable_system_gems
	disable_rubygems
	bundle_path ".gems/bundler_gems"

	# List gems to bundle here:
	gem "appengine-rack"
	gem "appengine-apis"
	gem 'hpricot', '0.8.2'
	gem 'mechanize', '0.8.5'

	#!/usr/bin/env python
	# -- encoding: UTF8 --

	# Advanced example for an PyS60 application that makes use of appuifw.Form().

	# originally found on <http://www.mobilenin.com/pys60/info_tabs_forms.htm>
	# changed and adopted for the N95 by Philipp Klaus <philipp.l.klaus AT web-dot-de>

	# Copyright (c) 2006 Jurgen Scheible
	# This script creates a form

	# USAGE: Hash.from_xml:(YOUR_XML_STRING)
	require 'nokogiri'
	# modified from http://stackoverflow.com/questions/1230741/convert-a-nokogiri-document-to-a-ruby-hash/1231297#1231297

	class Hash
	class << self
	def from_xml(xml_io)
	begin
	result = Nokogiri::XML(xml_io)
	return { result.root.name.to_sym => xml_node_to_hash(result.root)}

	require 'win32ole'

	# Also possible using Daniel Berger's excellent windows-pr gem.
	require 'Win32API'
	CoInitialize = Win32API.new('ole32', 'CoInitialize', 'P', 'L')

	threads = []
	3.times do
	threads << Thread.new do
	begin

	#!/usr/bin/env ruby
	require 'ftools'
	require 'fileutils'
	require 'rubygems'
	require 'RMagick'
	include Magick

	require 'open3'

	def merge( files = [] )

	# 30 minutes Lisp in Ruby
	# Hong Minhee <http://dahlia.kr/>
	#
	# This Lisp implementation does not provide a s-expression reader.
	# Instead, it uses Ruby syntax like following code:
	#
	# [:def, :factorial,
	# [:lambda, [:n],
	# [:if, [:"=", :n, 1],
	# 1,

	def tip(msg); puts; puts msg; puts "-"*100; end

	#
	# 30 Ruby 1.9 Tips, Tricks & Features:
	# http://www.igvita.com/2011/02/03/new-ruby-19-features-tips-tricks/
	#

	tip "Upgrading to Ruby 1.9 is simple: rvm install 1.9.2 && rvm --default 1.9.2"

	tip "Ruby 1.9 supports named captures in regular expressions!"