siva sivagao

## 窗口滚动事件
<!doctype html>
<html lang="en">
<head>
<title>JavaScript 模式和反模式</title>
<meta charset="utf-8">
</head>
<body>
<script>
 /* 题目: 窗口滚动事件
  * 描述: 不要在窗口滚动事件上附加事件处理程序

## 避免重复查询requery
<!doctype html>
<html lang="en">
<head>
<title>JavaScript 模式和反模式</title>
<meta charset="utf-8">
</head>
<body>
<script>
 /* 题目: 重复查询
  * 描述: 使用jQuery的链接，可以避免重复查询

## index.jade
div#da-slider.da-slider
    each item in [1,2,3,4]
        div.da-slide
            h2 Warm Welcome
            p When she reached the first hills of the Italic Mountains, she had a last view back on the skyline of her hometown Bookmarksgrove, the headline of Alphabet Village and the subline of her own road, the Line Lane.
            a.da-link Read More
            .da-img
                img(src='http://tympanus.net/Development/ParallaxContentSlider/images/1.png')

 header.

## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<body>
  <script src="http://d3js.org/d3.v2.min.js?2.10.0"></script>
  <script>

    var width = 960,
    height = 700;

    var svg = d3.select("body").append("svg")

## douban_lib_info_mashup_plugin.js
function check() {
    var a = location.href;
    a = a.search("book.douban.com/subject");
    if(a == -1) {
        checkJun()
    } else {
        checkDouban()
    }
}
function checkDouban() {

## Python strategy pattern.py
# sivagao
# 2012年11月3日

class StrategyExample:
    def __init__(self, func=None):
        self.name = 'StrategyExample 0'
    if func:
        self.execute = types.MethodType(func, self)

    def execute(self):

## microtemplate.js
// Simple JavaScript Templating
// John Resig - http://ejohn.org/ - MIT Licensed
(function(){
  var cache = {};

  this.tmpl = function tmpl(str, data){
    // Figure out if we're getting a template, or if we need to
    // load the template - and be sure to cache the result.
    var fn = !/\W/.test(str) ?
      cache[str] = cache[str] ||

## rake_learning.rb

=begin
in our Rakefile, we create a file task entry named “passwd”.
This says the goal of this task is to create a file name “passwd”.
The contents of “passwd” depend on the contents of a file containing a list of our users. Let’s call this file “userlist”.
=end

file "passwd" => ["userlist"] do
    pwds = read_passwords
    users = read_users userlist

## using builder,GD,Dir to build file.rb
require "builder"
builder = Builder::XmlMarkup.new
page = builder.html do |html|
  html.head { |head| head.title("Users") }
  html.body { |body| body.a("bob", "href" => "b1") }
end


require "GD"
image = GD::Image.new(100, 100)      # create an empty canvas, 100 pixels square

## using_file_safely_with_lock.rb


File.open("/tmp/foo", "w") do |f|
  f.flock(File::LOCK_EX) # 取得互斥锁，如果未得，等待block，直到获取成功
  f.puts "Locking is the key to ... pun interrupted"
  f.flock(File::LOCK_UN)
end


File.open("/tmp/foo", "w") do |f|
	<!doctype html>
	<html lang="en">
	<head>
	<title>JavaScript 模式和反模式</title>
	<meta charset="utf-8">
	</head>
	<body>
	<script>
	/* 题目: 窗口滚动事件
	* 描述: 不要在窗口滚动事件上附加事件处理程序
	div#da-slider.da-slider
	each item in [1,2,3,4]
	div.da-slide
	h2 Warm Welcome
	p When she reached the first hills of the Italic Mountains, she had a last view back on the skyline of her hometown Bookmarksgrove, the headline of Alphabet Village and the subline of her own road, the Line Lane.
	a.da-link Read More
	.da-img
	img(src='http://tympanus.net/Development/ParallaxContentSlider/images/1.png')

	header.
	function check() {
	var a = location.href;
	a = a.search("book.douban.com/subject");
	if(a == -1) {
	checkJun()
	} else {
	checkDouban()
	}
	}
	function checkDouban() {
	# sivagao
	# 2012年11月3日

	class StrategyExample:
	def __init__(self, func=None):
	self.name = 'StrategyExample 0'
	if func:
	self.execute = types.MethodType(func, self)

	def execute(self):
	// Simple JavaScript Templating
	// John Resig - http://ejohn.org/ - MIT Licensed
	(function(){
	var cache = {};

	this.tmpl = function tmpl(str, data){
	// Figure out if we're getting a template, or if we need to
	// load the template - and be sure to cache the result.
	var fn = !/\W/.test(str) ?
	cache[str] = cache[str] \|\|

	=begin
	in our Rakefile, we create a file task entry named “passwd”.
	This says the goal of this task is to create a file name “passwd”.
	The contents of “passwd” depend on the contents of a file containing a list of our users. Let’s call this file “userlist”.
	=end

	file "passwd" => ["userlist"] do
	pwds = read_passwords
	users = read_users userlist
	require "builder"
	builder = Builder::XmlMarkup.new
	page = builder.html do \|html\|
	html.head { \|head\| head.title("Users") }
	html.body { \|body\| body.a("bob", "href" => "b1") }
	end


	require "GD"
	image = GD::Image.new(100, 100) # create an empty canvas, 100 pixels square


	File.open("/tmp/foo", "w") do \|f\|
	f.flock(File::LOCK_EX) # 取得互斥锁，如果未得，等待block，直到获取成功
	f.puts "Locking is the key to ... pun interrupted"
	f.flock(File::LOCK_UN)
	end


	File.open("/tmp/foo", "w") do \|f\|