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- (NSDictionary *)fetchLocalJSON:(NSString *) pathForResource {
    NSDictionary *dictionary;
    // read JSON file
    NSString *fileName = [[NSBundle mainBundle] pathForResource:pathForResource ofType:@"json"];
    if (fileName) {
        NSLog(@"file exist: %@", fileName);
        
        // get file data
        NSData *fileData = [[NSData alloc] initWithContentsOfFile:fileName];
        

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function after (count, callback) {
    return function () {
        while(--count === 0) {
            console.log(arguments);
            callback.call(this, arguments);
        }
    }
}

// define some operations

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function countStringLength (string) {
    var len = string.length;
    var count = 0;
    for (var i = 0; i < len; i ++) {
        var num = string.charCodeAt(i);
        if (num == 94 || num > 127) {
           count += 2;
        } else {
           count += 1;
        }

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__author__ = 'alloyteam.com'

# -*- coding: UTF-8 -*-

import urllib.request
import re

class Spider:

    def __init__ (self, pageStartNum, pageEndNum, year, monthStart, monthEnd, sortOutput) :

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function randomArray (array) {
    if (array.length === 1) {
        return array;
    } else {
        var len = array.length;
        var index = ~~(Math.random() * len);
        var item = array.splice(index, 1);
        return item.concat(randomArray(array));
    }
    

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    /**
     * 打开一个新的页面
     * @param {String} url
     */
    openWindowByUrl: function(url) {
        var a = document.createElement('a');
        a.href = '';
        a.setAttribute("target", '_blank');
        var evt = document.createEvent("HTMLEvents");
        evt.initEvent("click");

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    /**
     * 判断置顶字符是否为英文
     * @method isEnglish
     * @param {String} s
     * @return {Boolean}
     */
    isEnglish: function(s) {
        var code = ('' + s).charCodeAt(0);
        if (code >= 0x0041 && code <= 0x005A || code >= 0x0061 && code <= 0x007A) {
            return true;

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    /**
     * 判断置顶字符是否为中文
     * @method isChinese
     * @param {String} s
     * @return {Boolean}
     */
    isChinese: function(s) {
        //4E00 - 9FA5
        var code = ('' + s).charCodeAt(0);
        if (code >= 0x4E00 && code <= 0x9FA5) {

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// pattern-decorator.js

// ===== 1. let instance has new functions =====
function Person (name, age) {
	this.name = name;
	this.age = age;
}

Person.prototype.say = function (something) {
	console.log(this.name, 'says: ', something);

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// ===== 1.pattern-factory.js=====

// Car factory 
function Car (options) {
	this.type = options.type || 'car';
	this.owner = options.owner || null;
	this.price = options.price || null;
}

// Trunk factory