zhengjia

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

postmodern

require 'parslet'
require 'pp'

class HTTPParser < Parslet::Parser
  #
  # Character Classes
  #
  rule(:digit) { match('[0-9]') }
  rule(:digits) { digit.repeat(1) }
  rule(:xdigit) { digit | match('[a-fA-F]') }

JangoSteve

namespace :ubuntu do
   desc "Setup Environment"
   task :setup_env, :roles => :app do
      update_apt_get
      install_dev_tools
      install_git
      install_subversion
      install_sqlite3
      # Install and setup RVM instead of old Rails stack
      #install_rails_stack

whereisciao

require "#{RAILS_ROOT}/lib/mongoid/lib/observing.rb"

# Initializer for Observers

User.observers = :user_observer
User.instantiate_observers

# The preferred syntax, similar to AR's setup
# Mongoid.configure do |config|
#   config.observers = :user_observer

Evangenieur

Sinatra

ruby 1.9.2 + async_sinatra + thin thin start

ab -n 10000 -c 100 http://localhost:3000/
-> 49ms / request

Node

node server.js

huacnlee

# 在本地服务器建立 rubygems.org 的镜像缓存，以提高 gem 的安装速度
# 此配置设置缓存过期为1天，也就是说，新上的 gem 无法马上安装
# 做这个起什么作用？
# rubygems 的很多资源文件是存放到 Amazon S3 上面的，由于 GFW 对某些 S3 服务器又连接重置或丢包，导致 gem 安装异常缓慢或有时候根本无法连接安装。
# 而通过这种跳板的方式可以很好的解决这个问题，当然前提是 Nginx反向代理 服务器需要在国外

proxy_cache_path  /var/cache/rubygems  levels=1:2    keys_zone=RUBYGEMS:10m
                                       inactive=24h  max_size=1g;
server {
  listen 80;

shapeshed

upstream app {
	server unix:/srv/app/current/tmp/sockets/unicorn.sock fail_timeout=0;
}
server {
        listen   80;
        server_name  www.app.com;
        rewrite ^/(.*) http://app.com/$1 permanent;
}

server {

hlxwell

MySQL:  SELECT * FROM user WHERE name = "foobar"Mongo:  db.user.find({"name" : "foobar"})
MySQL:  INSERT INOT user (`name`, `age`) values ("foobar",25)
Mongo:  db.user.insert({"name" : "foobar", "age" : 25})
MySQL:  DELETE * FROM user
Mongo:  db.user.remove({})
MySQL:  DELETE FROM user WHERE age < 30
Mongo:  db.user.remove({"age" : {$lt : 30}})  $gt : > ; $gte : >= ; $lt : < ; $lte : <= ; $ne : !=
MySQL:  UPDATE user SET `age` = 36 WHERE `name` = "foobar"
Mongo:  db.user.update({"name" : "foobar"}, {$set : {"age" : 36}})
MySQL:  UPDATE user SET `age` = `age` + 3 WHERE `name` = "foobar"

stefanobernardi

class ApplicationController < ActionController::Base
  protect_from_forgery
  
  protected

  def current_user
    @current_user ||= User.find_by_id(session[:user_id])
  end

  def signed_in?

shmatov

# lib/tasks/deploy.rake
namespace :deploy do
  desc 'Deploy to staging environment'
  task :staging do
    exec 'mina deploy -f config/deploy/staging.rb'
  end
end