zhangyaning u2

## nav-list.less
.nav-list {
  padding-left: 15px;
  padding-right: 15px;
  margin-bottom: 0;
}

.nav-list > li > a,
.nav-list .nav-header {
  margin-left: -15px;
  margin-right: -15px;

## Changes in Rails 4_1.md

      
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                u2
                / Changes in Rails 4_1.md
            
            
              Created
              April 24, 2014 08:38
                — forked from nightire/Changes in Rails 4_1.md
            
          
    Routes

小心地使用 Match（Rails 3 已实现）

Rails 3 提供了 match 方法供我们自定义 routes，然而我们要小心使用它以避免“跨站脚本攻击”（XSS Attack）。比如像这样的 routes：
注：（r3 代表 Rails 3，r4 代表 Rails 4）
# routes.rb

  
## jaccard_recommendation.rb
#!/usr/bin/env ruby

# Please read http://otobrglez.opalab.com for more information about this code.

class Book < Struct.new(:title)

  def words
    @words ||= self.title.gsub(/[a-zA-Z]{3,}/).map(&:downcase).uniq.sort
  end

## iterator.rb
module EventMachine
  # A simple iterator for concurrent asynchronous work.
  #
  # Unlike ruby's built-in iterators, the end of the current iteration cycle is signaled manually,
  # instead of happening automatically after the yielded block finishes executing. For example:
  #
  #  (0..10).each{ |num| }
  #
  # becomes:
  #

## Hacker_News_Ranking_Algorithm
-- (p - 1) / (t + 2)^1.5
CREATE FUNCTION SP_POINTS(P SMALLINT(5), CREATED TIMESTAMP)
 RETURNS TINYINT(3)
	RETURN (P - 1) / POW(TIMESTAMPDIFF(HOUR, CREATED, NOW()) + 2, 1.5);

## application.js
//= require jquery
//= require jquery_ujs

$(function() {
  var source = new EventSource('/stream');
  source.addEventListener('counter', function(e) {
    $('body').after(e.data + '<br />');
  });
});

## url-encode.c
	int c;
	char *hex = "0123456789abcdef";

	while( (c = getchar()) != EOF ){
		if( ('a' <= c && c <= 'z')
		|| ('A' <= c && c <= 'Z')
		|| ('0' <= c && c <= '9') ){
			putchar(c);
		} else {
			putchar('%');

## download.sh
#!/bin/bash
rm -rf api.rubyonrails.org/
wget -r -k -p http://api.rubyonrails.org/
rm rails_api.rar
rar a -r rails_api.rar api.rubyonrails.org/
	#!/usr/bin/env ruby

	# Please read http://otobrglez.opalab.com for more information about this code.

	class Book < Struct.new(:title)

	def words
	@words \|\|= self.title.gsub(/[a-zA-Z]{3,}/).map(&:downcase).uniq.sort
	end
	module EventMachine
	# A simple iterator for concurrent asynchronous work.
	#
	# Unlike ruby's built-in iterators, the end of the current iteration cycle is signaled manually,
	# instead of happening automatically after the yielded block finishes executing. For example:
	#
	# (0..10).each{ \|num\| }
	#
	# becomes:
	#
	-- (p - 1) / (t + 2)^1.5
	CREATE FUNCTION SP_POINTS(P SMALLINT(5), CREATED TIMESTAMP)
	RETURNS TINYINT(3)
	RETURN (P - 1) / POW(TIMESTAMPDIFF(HOUR, CREATED, NOW()) + 2, 1.5);
	//= require jquery
	//= require jquery_ujs

	$(function() {
	var source = new EventSource('/stream');
	source.addEventListener('counter', function(e) {
	$('body').after(e.data + '<br />');
	});
	});
	int c;
	char *hex = "0123456789abcdef";

	while( (c = getchar()) != EOF ){
	if( ('a' <= c && c <= 'z')
	\|\| ('A' <= c && c <= 'Z')
	\|\| ('0' <= c && c <= '9') ){
	putchar(c);
	} else {
	putchar('%');
	#!/bin/bash
	rm -rf api.rubyonrails.org/
	wget -r -k -p http://api.rubyonrails.org/
	rm rails_api.rar
	rar a -r rails_api.rar api.rubyonrails.org/