hoshinotsuyoshi

class Array
  def *(arr)
    self.each_with_index.map{|e,i| e*arr[i] }
  end
end



[3,4,5] * [6,-7,8] #=> [18,-28,40]
[[1,2],[3,4]] * [[-2,-3],[-3,-4]] #=> [[-2, -6], [-9, -16]]

hoshinotsuyoshi

Encoding.default_external = "utf-8"

hoshinotsuyoshi

net localgroup TelnetClients <username> /add

hoshinotsuyoshi

telnet = Net::Telnet.new("Host" => "localhost","Prompt" => /[$%#>]\z/n,"Output_log" => "Output_log.txt") {|c| print c}

#Promptはデフォルトを使わない
 

hoshinotsuyoshi

gem install openwferu-scheduler

hoshinotsuyoshi

#!ruby
# coding: utf-8
require 'openwfe/util/scheduler'
include OpenWFE
#schedulerインスタンスを作成しスタートさせる
scheduler = Scheduler.new
scheduler.start

# Cronでの記述ができる
# 毎分に実行する例

hoshinotsuyoshi

# coding: utf-8

#まずクラス定義
class MyClass
  def hook
    square(3)
  end
  def square(n)
    n * n
  end

hoshinotsuyoshi

def commit(symbol,*arg)
  c = 0 
  begin
    return self.send(symbol.to_sym,*arg)
  rescue
    c += 1
    retry if c < 5
  end
  "get less than 90 5 times..."
end

hoshinotsuyoshi

def time_watch(&b)
  t1 = Time.now
  yield
  t2 = Time.now
  t2-t1
end

time_watch{sleep 4}
#=> 4.000228

hoshinotsuyoshi

#!/usr/bin/env ruby
#
# usage:
# ruby worker-daemonize start
#
require 'daemon_spawn'
require File.expand_path('../job',__FILE__)
WorkingDir = File.expand_path('../wd',__FILE__)

class ResqueWorkerDaemon < DaemonSpawn::Base