Natumsol

function flatten(arr) {
  var result = [];
  for(var i = 0, length = arr.length; i < length; i ++ ){
    var value = arr[i];
    if(!Array.isArray(value)){
      result.push(value); 
    } else {
     result = result.concat(flatten(value));//递归调用
    }
  }

Natumsol

iPhone 通过微信内置浏览器访问网页时得到 User Agent 是：

Mozilla/5.0 (iPhone; CPU iPhone OS 6_1_3 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Mobile/10B329 MicroMessenger/5.0.1

Android 通过微信内置浏览器访问网页时得到 User Agent 是：

Mozilla/5.0 (Linux; U; Android 2.3.6; zh-cn; GT-S5660 Build/GINGERBREAD) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1 MicroMessenger/4.5.255

Natumsol

define(function(require, exports, module) {
	/**
	 * @param  {[type]}
	 * @return {[type]}
	 */
	var code = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");

	function strToBase64(bitString) {
		var result = "";
		var tail = bitString.length % 6;

Natumsol

第一步，在/etc/yum.repos.d/目录下创建一个源配置文件nginx.repo：

cd /etc/yum.repos.d/
 
vim nginx.repo

填写如下内容：

[nginx]
name=nginx repo

Natumsol

#!/bin/sh
#
# nginx - this script starts and stops the nginx daemon
#
# chkconfig:   - 85 15
# description:  NGINX is an HTTP(S) server, HTTP(S) reverse \
#               proxy and IMAP/POP3 proxy server
# processname: nginx
# config:      /etc/nginx/nginx.conf
# config:      /etc/sysconfig/nginx

Natumsol

function _LazyMan(name) {
    this.tasks = [];   
    var self = this;

    var fn =(function(n){
        var name = n;
        return function(){
            console.log("Hi! This is " + name + "!");
            self.next();
        }

Natumsol

function render(data) {
	// data = data.replace(/^ {1,}/g, " ");
	data = data.split("\n").map(function (value) {
		return value.replace(/^[ ]{1,}/g, function (match) {
			return (new Array(match.length * 4 + 1)).join(" ");
		})
	}).join("\n")
	var html = md.render(data).replace(/\n/g, "<br />");
	$("#target").html(html.replace(/&amp;/g, "&"));

Natumsol

Download videos from egghead

Go to the egghead website, i.e. Building a React.js App

run

$.each($('h4 a'), function(index, video){
  console.log(video.href);
});

Natumsol

var URL= "https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20weather.forecast%20where%20woeid%20in%20(select%20woeid%20from%20geo.places(1)%20where%20text%3D%22nome%2C%20ak%22)&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys";
/* 响应处理函数 */
function dealWithData(data) {
    // 处理响应数据
    console.log(data, Date.now());
    setTimeout(send, 1000); // 一秒后，再次轮询一次
}

/* 发送请求 */
function send() {

Natumsol

/**
 * @param article String
 * @param keywords Array
 */
function statistics(articles, keywords) {
    var frequency = {}
        , alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
    for (var i = 0; i < keywords.length; i++) {
        frequency[keywords[i]] = 0;
    }