1.回调函数 node是一个异步事件驱动的平台,所以在代码中我们经常需要使用回调函数。例:1 setTimeout(function(){2 console.log('callback is called');3 },2000);2.标准回调函数 node.js中回调函数格式是约定俗成的...
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Web程序 时间:
2015-03-30 18:27:27
阅读次数:
124
第一步:最简单的函数,准备附加额外功能#-*-coding:gbk-*-'''示例1:最简单的函数,表示调用了两次'''defmyfunc():print("myfunc()called.")myfunc()myfunc()第二步:使用装饰函数在函数执行前和执行后分别附加额外功能#-*-coding...
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编程语言 时间:
2015-03-29 17:49:56
阅读次数:
161
1、错误描述
严重:Servlet.service() for servlet jsp threw exception
The struts dispatcher cannot be found.This is usually called by using struts tags without
the associat...
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其他好文 时间:
2015-03-27 23:54:53
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249
@Override
public void onCreate(SQLiteDatabase db) {
// Create tables
db.execSQL(CREATE_CATEGORIES_TABLE);
db.execSQL(CREATE_CHRGDATA_TABLE);
db.execSQL(CREATE_SETTINGS_...
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数据库 时间:
2015-03-21 17:12:37
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224
Vasya has recently bought some land and decided to surround it with a wooden fence.He went to a company called “Wooden board” that produces wooden boards for fences. Vasya read in the catalog of produc...
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其他好文 时间:
2015-03-21 14:05:31
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293
using UnityEngine;using System.Collections;public class Flipped : MonoBehaviour { public bool isFlipped=false; // Update is called once per fram...
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编程语言 时间:
2015-03-20 23:34:39
阅读次数:
202
using UnityEngine;using System.Collections;public class Flipped : MonoBehaviour { // Update is called once per frame void Update () { Rig...
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编程语言 时间:
2015-03-20 23:24:19
阅读次数:
771
Problem DescriptionIn ACM_DIY, there is one master called “Lost”. As we know he is a “-2Dai”, which means he has a lot of money.Well, Lost use Ipad an...
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其他好文 时间:
2015-03-20 18:04:48
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216
http://www.cnblogs.com/me-sa/archive/2012/01/10/erlang0030.htmlSupervisors are used to build an hierarchical process structure called a supervision tr...
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其他好文 时间:
2015-03-20 16:20:06
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207
Problem Description
In order to get rid of Conan, Kaitou KID disguises himself as a teacher in the kindergarten. He knows kids love games and works out a new game called "hand in hand".
Initiall...
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其他好文 时间:
2015-03-19 23:59:41
阅读次数:
435