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# 题目：
# 给出一个二维数组，从左到右递增，从上到下递增
# 要求给出一个 target，返回是否包含在数组里面？

# Example:
# target = 5, return true.
# target = 20, return false.

# [
#  [1,   4,  7, 11, 15],

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mod poker {
    use std::cmp::Ordering;
    use std::collections::HashMap;

    #[derive(Eq, Debug, Clone, Copy, Hash)]
    enum CardValue {
        DEFAULT = 0, V2, V3, V4, V5, V6, V7, V8, V9, VT, VJ, VQ, VK, VA,
    }

    impl CardValue {

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inputs = %w[
  CollectionSelectInput
  DateTimeInput
  FileInput
  GroupedCollectionSelectInput
  NumericInput
  PasswordInput
  RangeInput
  StringInput
  TextInput

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class Foo
  def large_return
    return mini_return.map { |i| gen_str(i) }
  end

  def large_return_with_freeze
    return mini_return.map { |i| gen_str(i).freeze }
  end

  def mini_return

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#!/usr/bin/env ruby
require 'colorize'
require 'commander/import'

program :name, 'fight'
program :version, '1.0.0'
program :description, 'Flight with CDN'

def log_target(ip, banner)
  puts "Target IP: #{ip}".colorize(:red)

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# 支持 MacOS, ext4 文件系统的 Linux
# 参考：http://moiseevigor.github.io/software/2015/01/30/get-file-creation-time-on-linux-with-ext4/
#
def creation_time(file_path)
  case RUBY_PLATFORM
  when /bsd/, /darwin/
    return %x{mdls -raw -name kMDItemFSCreationDate #{file_path}}
  when /linux/
    inode = %x{ls -di "#{file_path}" | cut -d ' ' -f 1}.strip
    fs = %x{df "#{file_path}"  | tail -1 | awk '{print $1}'}.strip

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[35] pry(main)> "  strinsg  ".strip
=> "strinsg"
[36] pry(main)> "  strinsg  ".squish
=> "strinsg"
[37] pry(main)> "  strin  sg  ".strip
=> "strin  sg"
[38] pry(main)> "  strin  sg  ".squish
=> "strin sg"

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# test is_a? and instance_of? methods
# instance_of? ignore the superclass


class SuperClass; end
class ChildClass < SuperClass ; end

b = ChildClass.new
puts b, b.instance_of?(SuperClass), b.is_a?(SuperClass)

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# 支付宝分享到微信的红包识别
# 依赖：tesseract， gems(mini_magick, rtesseract)
# 使用： ruby alipay_red_packet.rb xxx.jpg
# xxx.jpg 就是支付宝红包图片

require 'mini_magick'
require 'rtesseract'

img = MiniMagick::Image.new(ARGV[0])
img.crop("#{1080-220}x#{1600-1360}+220+1360")

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require 'socket'
child_socket, parent_socket = Socket.pair(:UNIX, :DGRAM, 0)
maxlen = 1000
fork do 
  parent_socket.close
  4.times do
    instruction = child_socket.recv(maxlen) 
    child_socket.send("#{instruction} accomplished!", 0)
  end 
end