GREAT DEVELOPERS STEAL ben scofield / @bscofield / la rubyconf / 4 february 2012 

http://www.flickr.com/photos/dullhunk/3693920325/ 

MUSIC 

MUSIC sampling influence covers 

MUSIC sampling influence covers 

http://www.wired.com/special_multimedia/2008/pl_music_1609 

MUSIC sampling influence covers 

http://www.soulculture.co.uk/features/jimi-hendrix-the-epitome-of-a-legend/ 

MUSIC sampling influence covers 

EXTENDED METAPHOR AHEAD 

COVERS 

COVERS melody lyrics style theme 

Pierre Menard, Author of the Quixote http://en.wikipedia.org/wiki/File:Donquixote.JPG http://www.coldbacon.com/writing/borges-quixote.html e visible work le by this novelist is easily and brie y enumerated. Impardonable, therefore, are the omissions and additions perpetrated by Madame Henri Bachelier in a fallacious catalogue which a certain daily, whose Protestant tendency is no secret, has had the inconsideration to in ict upon its deplorable readers—though these be few and Calvinist, if not Masonic and circumcised. e true friends of Menard have viewed this catalogue with alarm and even with a certain melancholy. One might say that only yesterday we gathered before his nal monument, amidst the lugubrious cypresses, and already Error tries to tarnish his Memory . . . Decidedly, a brief recti cation is unavoidable. I am aware that it is quite easy to challenge my slight authority. I hope, however, that I shall not be prohibited from mentioning two eminent testimonies. e Baroness de Bacourt (at whose unforgettable vendredis. I had the honor of meeting the lamented poet) has seen t to approve the pages which follow. e Countess de Bagnoregio, one of the most delicate 

BAD COVERS 

http://patart-pat.blogspot.com/2011/05/william-shatner-rocket-man.html Rocket Man William Shatner on Seeking Major Tom, 2011 

GOOD COVERS 

genre 

Luck Be a Lady Tonight The Toadies on Chairman of the Board, 1993 http://www.kirtlandrecords.com/Toadies 

MUSIC sampling influence covers standards 

http://music-wallpapers.net/billie_holiday_2_wallpapers.html 

SOFTWARE 

SOFTWARE libraries influence ports patterns 

SOFTWARE libraries influence ports patterns 

SOFTWARE libraries influence ports patterns 

XUNIT 

XUNIT SUnit JUnit 

SOFTWARE libraries influence ports patterns 

XUNIT SUnit JUnit NUnit 

XUNIT SUnit JUnit CppUnit 

language 

SOFTWARE libraries influence ports patterns 

DATA MAPPER (165) http://martinfowler.com/eaaCatalog/dataMapper.html 

DATA MAPPER (165) datamapper datamapper (php) mongomapper sqlalchemy 

EXAMPLES 

BDD 

BDD jbehave rspec rbehave phpspec jasmine 

BDD JBehave RSpec RBehave Cucumber JSSpec JSpec Jasmine PHPSpec Story Runner 

RAILS 

RAILS rails cakephp grails rhino on rails asp.net mvc 

WSGI 

WSGI servlet api wsgi / webob rack jsgi / jack psgi / plack hack2 

WSGI def simple_app(environ, start_response): """Simplest possible application object""" status = '200 OK' response_headers = [('Content-type', 'text/html')] start_response(status, response_headers) return ['Hello World\n'] http://www.python.org/dev/peps/pep-0333 

WEBOB def simple_app(environ, start_response): start_response('200 OK', [ ('Content-Type', 'text/html; charset=utf8'), ]) return ['OK'] https://github.com/Pylons/webob 

RACK def call(env) [200, {'Content-Type' => 'text/html'}, 'Hello World'] end https://github.com/rack/rack 

JACK function(env){ return { status : 200, headers : {"Content-Type":"text/html"}, body : ["Hello World"] }; } https://github.com/tlrobinson/jack http://jackjs.org/jsgi-spec.html 

PLACK my $app = sub { my $env = shift; return [ 200, [ 'Content-Type' => 'text/html' ], 'Hello World' ]; }; https://github.com/miyagawa/Plack http://search.cpan.org/~miyagawa/PSGI-1.03/PSGI.pod 

HACK2 {-# LANGUAGE OverloadedStrings #-} import Hack2 import Hack2.Contrib.Response (set_body_bytestring) import Hack2.Handler.SnapServer app :: Application app = \env -> return $ Response 200 [ ("Content-Type", "text/plain") ] "Hello World" main = run app https://github.com/nfjinjing/hack2 

On Naming INTERLUDE 

WSGI RACK jsgi jack psgi plack hack2 

SINATRA 

SINATRA ratpack flask slim nancy 

SINATRA require 'rubygems' require 'sinatra' get '/' do erb :homepage end get '/names/:name' do "Hello, #{params[:name]}" end post '/login' do # data is in request.body # validate login end https://github.com/sinatra/sinatra 

RATPACK set "templateRoot", "myapp/templates" get("/") { render "homepage.html" } get("/names/:name") { "Hello, ${urlparams.name}" } post("/login") { // data is in params.field // validate login } https://github.com/bleedingwolf/Ratpack 

FLASK from flask import Flask, render_template, request app = Flask(__name__) @app.route("/") def hello(): return render_template('homepage.html') @app.route('/names/') def hello(name=None): return "Hello, " + name @app.route('/login', methods=['POST', 'GET']) def login(): # data is in request.form['field'] # validate login if __name__ == "__main__": app.run() https://github.com/mitsuhiko/flask 

SLIM get('/', function() { Slim::render('homepage.php'); }); $app->get('/names/:name', function ($name) { echo "Hello, $name!"; }); $app->post('/login', function () { # data is in $app->request()->params('field') # validate login }); $app->run(); ?> https://github.com/codeguy/Slim 

NANCY public class Sample : NancyModule { public Module() { Get["/"] = params => { return View.Spark("homepage.spark", params); }; Get["/names/{name}"] = params => { return string.Concat("Hello, ", params.name); }; Post["/login"] = params => { /// data is in params.field /// validate login }; } } https://github.com/NancyFX/Nancy 

On Naming, Revisited INTERLUDE 

SCALATRA import org.scalatra._ import org.scalatra.scalate._ class Example extends ScalatraServlet with ScalateSupport { get("/") { templateEngine.layout("homepage.scaml") } get("/names/:name") {

Hello, {params("name")}

} post("/login") { // data is in params{"field"} // validate login } } https://github.com/scalatra/scalatra 

WHY STEAL? 

OPPORTUNITY 

OPPORTUNITY learn a language find something awesome steal it 

webmachine webmachine-ruby 

EDUCATION 

EDUCATION pick a language steal something you know 

No content

NEED 

NEED have a problem look for a solution steal it 

objective-c unit testing rspec cedar 

THE ART OF THEFT 

WHERE TO LOOK 

WHERE TO LOOK functional languages object-oriented languages prototype languages 

WHERE TO LOOK github bitbucket google code sourceforge 

WHERE TO LOOK rubygems pypi peps cpan 

WHERE TO LOOK forks / watchers / activity edge case testing citations documentation history strong opinions 

Mathematics of Beauty INTERLUDE http://blog.okcupid.com/index.php/the-mathematics-of-beauty/ 

WHAT TO DO 

WHAT TO DO line-by-line acceptance testing 

ben scofield / bscofi[email protected] / @bscofield THANK YOU!