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/*
 依序讀入data, 並以linked list 串接, 印出來

*/

function Node(data) {
    this.data = data;
    this.next = null;
}

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function TrieNode() {
  this.key = null;
  this.children = {};
  this.isNode = false;
}
function insert(word, r) {
  var start = r;
  for(var index = 0, le = word.length; index<le; index++) {
    if (!start.children.hasOwnProperty(word[index])) {
  	  var t = new TrieNode();

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// babel-core 6.x
import 'babel-polyfill';
import React from 'react';
import ReactDOM from 'react-dom';
import createHistory from 'history/createBrowserHistory';
import pathToRegexp from 'path-to-regexp';

/*
  your route setting here
*/

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(function() {
  var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame ||
                              window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
  window.requestAnimationFrame = requestAnimationFrame;
})();

var start = null;

var d = document.getElementById("SomeElementYouWantToAnimate");
d.style.backgroundColor = 'red';

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var fs = require('fs');
var path = require('path');
var targetPath = 'D:\\p'; // 檔案路徑
(function crawl() {
  var results = [];
  fs.readdir(targetPath, function (err, list) {
    if (err) {
      throw err;
    }
    console.log("\n[" + list + "]");

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function a() {
  alert('a');
}
a();

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function sequentialCallback (...fns) {
  return (...args) => {
    const done = args.pop()
    const next = (error, ...args) => {
      if (error) return done(error)
      if (fns.length) {
        const fn = fns.shift()
        return fn(...args, next)
      }
      return done(null, ...args)

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Thanks to "Learning JavaScript Design Pattern" @Addy Osmani

用一句講設計模式

“Pattern 提供“某些特定”情況的可重複利用解法

1. 可重複使用
2. 可以被傳達 (換句話, 節省developer溝通的時間)
3. DRY(Don't Repeat Yourself)

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/*
  問題: 一個陣列裡面的物件要怎麼過濾出相同的key value?
  例如: var array = [{a:1, b:1}, {a:1, b:2}, {a:2, b:1}, {a:1, b:1}];
  (同時考慮 a, b的值)
*/
// by @Hao Yu Liao 
public class MultiKeyDictionary<K1, K2, V>
    {
        private Dictionary<K1, Dictionary<K2, V>> baseDictionary = new Dictionary<K1, Dictionary<K2, V>>();
        public IEnumerable<V> Values { get { return baseDictionary.Values.SelectMany(e => e.Values); } }

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/*
  This code is from
  https://remysharp.com/2010/07/21/throttling-function-calls/#comment-497362 
*/
function throttle(fn, threshhold, scope) {
  threshhold || (threshhold = 250);
  var last,
      deferTimer;
  return function () {
    var context = scope || this;