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$ chmod +x ./proxy_list_fetcher.rb
$ ./proxy_list_fetcher.rb | head
180.94.88.58	8080	Afghanistan	fast	HTTPS	High +KA
187.87.155.2	8080	Brazil	fast	HTTPS	High +KA
120.132.132.119	8080	China	medium	HTTPS	High +KA
210.211.109.244	8081	Viet Nam	fast	HTTP	Low
216.244.71.143	3128	United States	medium	HTTPS	High +KA
190.237.224.22	8080	Peru	slow	HTTPS	High +KA

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sortedGroupBy

jsFiddle Example

Convenience function for performing a groupBy on a list then a sortBy on the resulting groups using Underscore methods.

sortedGroupBy(list, groupByIterator, sortByIterator)

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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Contrived example demonstrating microgem dependencies

contrived is a microgem that depends on another microgem array_range, however gemspecs don't support DVCS dependencies. So how do we solve this without prematurely denting the universe?

Just use bundler.

Usage

Add all microgems to your project's Gemfile:

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#
# Initialize the stuff
#
# We build the status bar item menu
def setupMenu
  menu = NSMenu.new
  menu.initWithTitle 'FooApp'
  mi = NSMenuItem.new
  mi.title = 'Hellow from MacRuby!'
  mi.action = 'sayHello:'

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module Middleware
  class Logger
    def initialize(app, logger)
      @app = app
      @logger = logger
    end

    def call(env)

      headers = env.select {|k,v| k.start_with? 'HTTP_'}

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合成多张图片

以下只适合 v3.5.0 即以前的版本。v3.6.0 以后，对选项增加了 shellescape 减少了命令行注入的风险。

ImageMagick 的 composite 命令可以合成图片，但是一次只能合成两张。如果需要合成多张图片，得用 convert 命令和 -composite 选项。MiniMagick 的push方法，可添加选项和参数（就像在命令行操作一样）。下是一个合成多张图片的 CarrierWave 的 process 示例。

  def composite_images
    manipulate! do |img|
      img.combine_options(:convert) do |c|

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/**
 * DWTFYW License
 * Author: Tony Brix, http://tonybrix.info
 * 
 * jquery plugin for showing tooltip on overflow
 * 
 * USAGE:
 * 
 * $("input, select").tooltipOnOverflow();
 *