TimLang

# -*- encoding : utf-8 -*-
require 'debugger'

cal = lambda do |exp, stack=[]|
  return exp if exp =~/^\d+$/

  exp.scan(/((?:\d+)|[\*\+\/-]|(?:\((?:(?:\d)|[\*\+\/-])+\)))/) do |match|
    word = match.first.to_s
    if word =~ /^(\d+)$/
      stack.unshift $1

TimLang

regex = /^(?<stack>{(\g<stack>|(?<num>\d))})$/
"{{2}}".match regex #<MatchData "{{2}}" stack:"{{2}}" num:"2">

TimLang

class Array
  def bindex element, lower = 0, upper = length - 1
    return if lower > upper
    mid = (lower + upper) / 2
    element < self[mid] ? upper = mid - 1 : lower = mid + 1
    element == self[mid] ? mid : bindex(element, lower, upper)
  end
end

class Array

TimLang

# Sample implementation of quicksort and mergesort in ruby
# Both algorithm sort in O(n * lg(n)) time
# Quicksort works inplace, where mergesort works in a new array

def quicksort(array, from=0, to=nil)
    if to == nil
        # Sort the whole array, by default
        to = array.count - 1
    end

TimLang

1999995.99.to_s.reverse.scan(/(?:\d*\.)?\d{1,3}-?/).join(',').reverse

TimLang

(->
    rightSideTop = $('#right-side').offset().top
    $(window).scroll(->
      if $(this).scrollTop() > rightSideTop
        $('#right-side').css({
          'position': 'fixed'
          'top': 0
        })
      else
        $('#right-side').css('position', 'static')

TimLang

class Object
 def deep_map(&block); yield(self) end
end

class Array
  def deep_map(&block); map{|e| e.deep_map(&block)} end
end

or

TimLang

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

# 有关 Fiber 的解释: (按照数据流的方向分为两部分)

# 在 `主线程' 中使用 resume 方法来启动(或继续执行)一个 `纤程'.
# 1. 第一次调用 fiber.resume, 会启动一个纤程,
#    如果 resume 调用时提供了实参, 会作为代码块形参传入代码块.
# 2. 如果非第一次调用 fiber.resume, 即, `恢复' 一个纤程, 会做两件事:
#    - 从上次离开纤程的那个位置(调用 Fiber.yield 离开纤程的那个位置), 恢复纤程的执行. 

TimLang

#removing the space which is NBSP
"     B．我国人民民主具有广泛性"..gsub(/[[:space:]]/, '')

#or
NBSP = "\u00a0"
str.gsub(NBSP, '')

TimLang

#!/usr/bin/env ruby
require 'rubygems'
require 'daemons'
dir = File.expand_path(File.join(File.dirname(__FILE__), '..'))

daemon_options = {
  :multiple   => false,
  :dir_mode   => :normal,
  :dir        => File.join(dir, 'tmp', 'pids'),
  :backtrace  => true