acotie

    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
    manager.responseSerializer = [AFJSONResponseSerializer serializer];
    manager.requestSerializer = [AFJSONRequestSerializer serializer];
    
    [manager GET:@"http://localhost:3000/api/v1/tracks/1"
        parameters:nil
           success:^(AFHTTPRequestOperation *operation, id responseObject) {
               NSLog(@"JSON: manager %@", responseObject);

               DDLogVerbose(@"Request Successful, responseObject '%@'", responseObject);

acotie

module TEST::Entities
  class Post < Grape::Entity
    expose :id
    expose :title
    expose :description
    expose(:image_url) do |post, options|
      if post.image.url.present?    # else is return null
          "http://#{options[:env]['HTTP_HOST']}"+"#{post.image.url}"
      end
    end

acotie

require 'bundler/setup'
require 'eventmachine'
require 'open-uri'

EM.run do
  puts "main: #{Thread.current}"

  operation = proc {
    puts "defer operation: #{Thread.current}"
    sleep(20)

acotie