kulte

// Examples of pure functions. No side effects. No mutations. 
function square(x) {
  return x * x;
}

function squareAll(items) {
  return items.map(square);
}

// Examples of impure functions.

kulte

class FoosController < ApplicationController
  def index
    @collection = Foo.all
    render json: @collection, fields: params[:fields]
  end
end

class FooSerializer < ActiveModel::Serializer
  cache key: 'foo'
  

kulte

- Akon.perform

- content_for :javascript do
  :javascript
    window.sing(jQuery(jQuery("bill y'all")));

kulte

#!/bin/sh
# Just copy and paste the lines below (all at once, it won't work line by line!)
# MAKE SURE YOU ARE HAPPY WITH WHAT IT DOES FIRST! THERE IS NO WARRANTY!

function abort {
  echo "$1"
  exit 1
}

set -e

kulte

class CreateProject
  include Interactor

  def call
    context.project = context.controller.current_user.projects.build(context.project_params)

    if context.project.save
      context.notice = 'Your project was created successfully.'
      send_emails_for(context.project)
    else

kulte

let jsonObject : AnyObject! = NSJSONSerialization.JSONObjectWithData(dataFromTwitter, options: NSJSONReadingOptions.MutableContainers, error: nil)
if let statusesArray = jsonObject as? NSArray{
    if let aStatus = statusesArray[0] as? NSDictionary{
        if let user = aStatus["user"] as? NSDictionary{
            if let userName = user["name"] as? NSDictionary{
                //Finally We Got The Name

            }
        }
    }

kulte

class User < ActiveRecord::Base
  after_create :send_welcome_email

  private
  
  def send_welcome_email
    UserMailer.welcome_email(self).deliver
  end
end

kulte

source = page.all('.item').last
target = page.all('.item').first

while source.nil?
  source = page.all('.item').last
end

while target.nil?
  target = page.all('.item').first
end

kulte

"use strict"
var Promise = function () {
  this.state = 'pending'
  this.thenables = []
}

Promise.prototype.resolve = function (value) {
  if (this.state != 'pending') return

  this.state = 'fulfilled'

kulte

git checkout bcee89a90aad3877da531d6cb10ca91c6155d577 -- app/assets/images/sales