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#! /bin/sh
# in crontab:
# 59 23 * * *   /home/user/bin/rotateMailLog.sh
# save one or many logs in one folder to other folder
LOGDIR=/var/log
if test -d $LOGDIR
then
  cd $LOGDIR
  for LOG in maillog messages.log
  do

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use github as website, server, a database, maven repository, portfolio,
maven repo, wiki, cms, file storage, web server, blog, cdn, backup, group,
hosting, web host, javascript, mirror, number, quiz, resume

How to Use Github for Hosting Files

Github Gist Tutorial - All the Things you can do with a Gist

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#!/usr/bin/env ruby
# A quick and dirty implementation of an HTTP proxy server in Ruby
# because I did not want to install anything.
# 
# Copyright (C) 2009-2014 Torsten Becker <torsten.becker@gmail.com>
# 
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,

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alias ls='ls --color=auto'
alias v='ls -l'
alias lh='ls -lh'
alias dh='df -h'
alias ll='ls -al'
alias irb='irb --simple-prompt'
alias ltips='less $HOME/tips.txt'
alias path='echo $PATH | sed -e "s/:/\n/g"'

# old linux server 

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# crontab for schedule to play music 
39 * * * * /usr/sbin/ntpdate -s ntp.ntu.edu.tw > /dev/null 2>&1
0 10 * * 1-5 /usr/bin/mpg321 --list /home/user/M/ten.txt
0 12 * * 1-5 /usr/bin/mpg321 -g 40 --list /home/user/M/noon.txt
0 13 * * 1-5 /usr/bin/mpg321 --list /home/user/M/wakeup.txt
0 15 * * 1-5 /usr/bin/mpg321 --list /home/user/M/teatime.txt

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常用的 JS Library:

• [knockout.js] (http://knockoutjs.com/)
• [wijmo] (http://wijmo.com/)
• [bootstrap] (http://twitter.github.io/bootstrap/)
• [jquery] (http://jquery.com/)
• [jquery UI] (http://jqueryui.com/)
• [zepto.js] (http://zeptojs.com/)
• [lorem.js] (https://github.com/shyiko/lorem)
• [sammy.js] (http://sammyjs.org)
• [jquery shuffle] (http://yelotofu.com/labs/jquery/snippets/shuffle/)

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# create systemd service file for rails 2.3.x startup
[Unit]
Description=rails 2.3.x web server

[Service]
Type=simple
RemainAfterExit=yes
User=username
PIDFile=/home/username/WEBSERVER/tmp/pids/thin.pid
WorkingDirectory=/home/username/WEBSERVER

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# _*_ encoding: utf-8 _*_
# parse nations rank in http://ngam.natixis.com/docs/12/1010/Global_Retirement_Index,0.pdf
line=File.readlines('./rank.txt').map(&:chomp)[0]
hash = {}
@index = 1
line.split(/(\d+)/).each do |x,i|
  unless x.to_i.zero?
    @index = x.to_i
  else
    hash[@index] = x

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# -*- encoding: utf-8 -*-
# detail at http://ithelp.ithome.com.tw/question/10103736
require 'sinatra'
require 'net/http'
require 'open-uri'
require 'json'
require 'yaml'

get '/' do
 "Hi, 鐵人五<br /><a href='/env'>環境變數</a>"

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# get count number from html file
require 'hpricot'
doc=Hpricot(open('online.txt'))
>> doc.search("tr").size
=> 61
>> doc.search("tr")[0].at('td').innerText
=> "online people : 50"
msg = doc.search("tr")[0].at('td').innerText
count = msg.split(':')[1].strip