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module Ova
  # autovivifying map from [class][method][signature] to Method
  @@Ova = Hash.new { |h, k| h[k] = Hash.new(&h.default_proc) }

  # Wrap #respond_to? for parity with Class#===.
  Responder = Struct.new(:method) do
    def === obj
      obj.respond_to?(method)
    end
  end

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class Array

  # Returns a proc which calls [] with the array's contents as arguments
  #
  # ====Usage
  #   [[1, 2], [3, 4], [5, 6]].map(&[0])
  #   # => [1, 3, 5]
  #
  #   [{ hello: 'world' }, { hello: 'sun', goodbye: 'moon' }].map(&[:hello])
  #   # => ['world', 'sun']

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##
# This is rake task of padrino-framework
# Display lists of all stacked rack middleware for your padrino app.
# distributed under the MIT License(http://tyabe.mit-license.org/)
#
def stacked_middlewares(app, args)
  require Padrino.root('config/boot.rb')
  app_obj = app.app_obj
  instance = app_obj.new!
  build = app_obj.build(instance)

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Sequel.migration do
  up do
    run 'CREATE EXTENSION "uuid-ossp"'

    create_table :products do
      column :id, :uuid, :default => Sequel.function(:uuid_generate_v4), :primary_key => true
    end
  end
end

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# Ways to execute a shell script in Ruby
# Example Script - Joseph Pecoraro

cmd = "echo 'hi'" # Sample string that can be used

# 1. Kernel#` - commonly called backticks - `cmd` 
# This is like many other languages, including bash, PHP, and Perl
#  Returns the result of the shell command
#  Docs: http://ruby-doc.org/core/classes/Kernel.html#M001111

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require 'tire'

# Tire.configure { logger STDERR, level: 'debug' }

Tire.index('movie-titles') do
  delete
  create \
    settings: {
      index: {
        analysis: {

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#!/usr/bin/env ruby
# encoding: utf-8

require 'memory_profiler'

gem 'redis', ENV['RVERSION']
require 'redis'

puts Process.pid
puts Redis::VERSION

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require "net/http"

def start_server
  # Remove the X to enable the parameters for tuning.
  # These are the default values as of Ruby 2.2.0.
  @child = spawn(<<-EOC.split.join(" "))
    XRUBY_GC_HEAP_FREE_SLOTS=4096
    XRUBY_GC_HEAP_INIT_SLOTS=10000
    XRUBY_GC_HEAP_GROWTH_FACTOR=1.8
    XRUBY_GC_HEAP_GROWTH_MAX_SLOTS=0

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CREATE UNLOGGED TABLE exclude_test(id integer primary key);
INSERT INTO exclude_test(id) SELECT generate_series(1,50000);

CREATE UNLOGGED TABLE exclude AS SELECT x AS item FROM generate_series(1,40000,4) x;

-- Horrific AND list, takes 80s to plan and execute here:

EXPLAIN ANALYZE SELECT id FROM exclude_test WHERE id <> 1 AND id <> 5 AND id <> 9 AND id <> 13 AND id <> 17 AND id <> 21 AND id <> 25 AND id <> 29 AND id <> 33 AND id <> 37 AND id <> 41 AND id <> 45 AND id <> 49 AND id <> 53 AND id <> 57 AND id <> 61 AND id <> 65 AND id <> 69 AND id <> 73 AND id <> 77 AND id <> 81 AND id <> 85 AND id <> 89 AND id <> 93 AND id <> 97 AND id <> 101 AND id <> 105 AND id <> 109 AND id <> 113 AND id <> 117 AND id <> 121 AND id <> 125 AND id <> 129 AND id <> 133 AND id <> 137 AND id <> 141 AND id <> 145 AND id <> 149 AND id <> 153 AND id <> 157 AND id <> 161 AND id <> 165 AND id <> 169 AND id <> 173 AND id <> 177 AND id <> 181 AND id <> 185 AND id <> 189 AND id <> 193 AND id <> 197 AND id <> 201 AND id <> 205 AND id <> 

jack-nie

#!/bin/bash -e

echo '
PATH=$HOME/go/bin:$PATH
export GOPATH=$HOME
export CDPATH=.:$HOME/src/golang.org/x:$HOME/go/src:$HOME/src/github.com:$HOME/src/github.com/nf:$HOME/src/github.com/adg
export EDITOR=vim
' >> ~/.profile

sudo apt-get update