NSTimer是不一定准时的,是有可能被delay的,每次间隔的时间是不一定一样的。A
repeating timer reschedules itself automatically based on the scheduled firing
time, not the actual firing...
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其他好文 时间:
2014-05-26 10:03:30
阅读次数:
230
??
1、Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letter...
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其他好文 时间:
2014-05-26 05:03:19
阅读次数:
172
原文地址:http://developer.android.com/training/scheduling/alarms.html
Alarms (based on the AlarmManager class)
give you a way to perform time-based operations outside the lifetime of your applicati...
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移动开发 时间:
2014-05-25 04:31:48
阅读次数:
488
最近因使用Spring.Net框架而接触、了解到其与Quartz.Net的集成,即Spring.Scheduling.Quartz模块。
Spring通过对Quartz.Net的封装,采用了spring核心注入思路,给我们提供更为简单、便利的使用方式。当然直接使用Quartz.Net也是可以的。
在...
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编程语言 时间:
2014-05-24 06:49:54
阅读次数:
298
题目链接Given a string, find the length of the
longest substring without repeating characters. For example, the longest
substring without repeating letter...
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其他好文 时间:
2014-05-24 02:15:57
阅读次数:
291
Find first not repeating char in a string.
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其他好文 时间:
2014-05-22 02:13:26
阅读次数:
309
1.点对点拓扑 point-to-point scheduling
该拓扑结构简单,整个网络的阻抗特性容易控制,时序关系也容易控制,常见于高速双向传输信号线;常在源端加串行匹配电阻来防止源端的二次反射。2.菊花链结构
daisy-chain scheduling 如下图所示,菊花链结构也...
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其他好文 时间:
2014-05-19 12:50:38
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227
Given a string, find the length of the longest
substring without repeating characters. For example, the longest substring
without repeating letters fo...
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其他好文 时间:
2014-05-15 17:50:38
阅读次数:
298
【题目】
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest substring is "b", with the len...
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其他好文 时间:
2014-05-15 14:40:14
阅读次数:
320
这里只是做简单的记录如何实现。
一、基于配置文件的实现
①编写需要调度的类
package com.study;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
//@Component
public cla...
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编程语言 时间:
2014-05-14 19:21:22
阅读次数:
279