In my app, I am loading a resource heavy view that takes about 1 to 2 seconds to load. So I am loading it in a separate thread like this:hud = [[MBPro...
ASP.NET 中,两个时间相减,得到一个 TimeSpan 实例,TimeSpan 有一些属性:Days、TotalDays、Hours、TotalHours、Minutes、TotalMinutes、Seconds、TotalSeconds、Ticks,注意没有 TotalTicks。一、Tim...
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Web程序 时间:
2014-10-28 09:21:11
阅读次数:
278
计算几何:按顺序给n个圆覆盖,问最后可以有几个圆被看见。。。
对每个圆求和其他圆的交点,每两个交点之间就是可能被看到的圆弧,取圆弧的中点,往外扩展一点或者往里缩一点,从上往下判断有没有圆可以盖住这个点,能盖住这个点的最上面的圆一定是可见的
Viva Confetti
Time Limit: 2 Seconds Memory Limit: 65536 KB
Do...
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其他好文 时间:
2014-10-26 17:00:30
阅读次数:
204
date -d "1970-01-01 UTC `echo "$(date +%s)-$(cat /proc/uptime|cut -f 1 -d' ')+12288812.926194"|bc ` seconds"用dmesg显示的时间替换红色字
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系统相关 时间:
2014-10-25 20:01:53
阅读次数:
438
D. Design Tutorial: Inverse the Problem
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
There is an easy wa...
分类:
编程语言 时间:
2014-10-24 20:51:39
阅读次数:
225
Building Fire Stations
Time Limit: 5 Seconds
Memory Limit: 131072 KB Special Judge
Marjar University is a beautiful and peaceful place. There are N buildings and
N - 1 bidirection...
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其他好文 时间:
2014-10-24 20:45:46
阅读次数:
258
Give Me the NumberTime Limit: 2 Seconds Memory Limit: 65536 KBNumbers in English are written down in the following way (only numbers less than 109 ...
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其他好文 时间:
2014-10-24 14:14:20
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342
Cron表达式是一个字符串,字符串以5或6个空格隔开,分为6或7个域,每一个域代表一个含义,Cron有如下两种语法格式:? Seconds?Minutes?Hours?DayofMonth?Month?DayofWeek?Year
或?
Seconds?Minutes?Hou...
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其他好文 时间:
2014-10-23 16:33:04
阅读次数:
231
1729Time Limit: 3 Seconds Memory Limit: 65536 KB1729 is the natural number following 1728 and preceding 1730. It is also known as the Hardy-Ramanujan....
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其他好文 时间:
2014-10-21 15:17:11
阅读次数:
196
题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5383
Known Notation
Time Limit: 2 Seconds Memory Limit: 65536 KB
Do you know reverse Polish notation (RPN)? It is a ...
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其他好文 时间:
2014-10-20 23:26:54
阅读次数:
388