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# Rake task to launch multiple Resque workers in development/production with simple management included

require 'resque/tasks'    # Require Resque tasks

namespace :workers do

  # = $ rake workers:start
  #
  # Launch multiple Resque workers with the Rails environment loaded,
  # so they have access to your models, etc.

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Git 安装与初始化

Linux

如果你用的是Linux，你可以用你的本地包管理系统(native package management system)来安装.

$ yum install git-core  #译者注，在redhat等系统下用yum

$ apt-get install git-core #译者注，在debian, ubuntu等系统下用apt-get

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# encoding: utf-8
class ScanChinese
  def self.scan(file)
    if File.directory?(file)
      files = (Dir.entries(file) - %w( . .. ))
      dir = files.map{|name| File.join(file, name)}
      dir.each do |filename|
        if File.directory?(filename)
          scan(filename)
        else

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# need gem install benchmark-ips

require 'benchmark/ips'

def slow(&block)
  block.call
end

def fast
  yield

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require 'benchmark'

# 遍历N是否能被从2到sqrt(N)之间的素数整除。若不能则为素数
def fast(max)
  mini = Math.sqrt(max).to_i
  sub_primes = sub_primes(mini)
  sub_primes + ((mini+1)..max).select{|n| sub_primes.all?{|obj| n % obj > 0 }  }
end

def sub_primes(sub)

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#1 Generate Public & Private Keypair
 
#2 Create receipt.json - eg below - careful with line-endings, etc if line breaks
 
#3 Create signature & Encode
openssl dgst -binary -sha1 -sign private.pem receipt.json | openssl base64 > signature.txt
 
#4 Verify using OpenSSL & public key
openssl base64 -d -in signature.txt -out signature.sha1 | openssl dgst -sha1 -verify public.pem -signature signature.sha1 receipt.json
 

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function verify_app_store_in_app($receipt, $is_sandbox) 
{
	//$sandbox should be TRUE if you want to test against itunes sandbox servers
	if ($is_sandbox)
		$verify_host = "ssl://sandbox.itunes.apple.com";
	else
		$verify_host = "ssl://buy.itunes.apple.com";
	
	$json='{"receipt-data" : "'.$receipt.'" }';
	//opening socket to itunes

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#1 Generate Public & Private Keypair
 
#2 Create receipt.json - eg below - careful with line-endings, etc if line breaks
 
#3 Create signature & Encode
openssl dgst -binary -sha1 -sign private.pem receipt.json | openssl base64 > signature.txt
 
#4 Verify using OpenSSL & public key
openssl base64 -d -in signature.txt -out signature.sha1 | openssl dgst -sha1 -verify public.pem -signature signature.sha1 receipt.json
 

sandyxu

macos 10.10.1

Installation java (elasticsearch require)

http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html 选择 jdk-8u25-macosx-x64.dmg 下载

Installation elasticsearch

elasticsearch

Download and unzip the Elasticsearch official distribution.

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目录	评论
/	根目录，万物起源。
/bin	包含系统启动和运行所必须的二进制程序。
/boot	
包含 Linux 内核，最初的 RMA 磁盘映像（系统启动时，由驱动程序所需），和 启动加载程序。

有趣的文件：

/boot/grub/grub.conf or menu.lst， 被用来配置启动加载程序。
/boot/vmlinuz，Linux 内核。