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MBProgressHUD not showing
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...
分类:Windows程序   时间:2014-10-28 10:21:16    阅读次数:178
ASP.NET中TimeSpan的用法
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...
分类:Web程序   时间:2014-10-28 09:21:11    阅读次数:278
ZOJ 1696 Viva Confetti 计算几何
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...
分类:其他好文   时间:2014-10-26 17:00:30    阅读次数:204
linux----dmesg 时间
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
分类:系统相关   时间:2014-10-25 20:01:53    阅读次数:438
Codeforces Round #270(活用prim算法)
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
zoj 3820 Building Fire Stations (二分+树的直径)
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...
分类:其他好文   时间:2014-10-24 20:45:46    阅读次数:258
ACM解题之在线翻译 Give Me the Number
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 ...
分类:其他好文   时间:2014-10-24 14:14:20    阅读次数:342
CRON表达式详解
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...
分类:其他好文   时间:2014-10-23 16:33:04    阅读次数:231
zoj 3673 1729
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....
分类:其他好文   时间:2014-10-21 15:17:11    阅读次数:196
ZOJ 3829 Known Notation (2014牡丹江H题)
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 ...
分类:其他好文   时间:2014-10-20 23:26:54    阅读次数:388
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