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hdu 4602 Partition (概率方法)
Partition Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2472    Accepted Submission(s): 978 Problem Description Define f(n) as th...
分类:其他好文   时间:2014-08-10 13:00:20    阅读次数:194
xtu summer individual 6 E - Find Metal Mineral
Find Metal MineralTime Limit: 1000msMemory Limit: 65768KBThis problem will be judged onHDU. Original ID:400364-bit integer IO format:%I64d Java class ...
分类:其他好文   时间:2014-08-10 12:42:00    阅读次数:230
Spark&Spark性能调优实战
Spark特别适用于多次操作特定的数据,分mem-only和mem & disk。其中mem-only:效率高,但占用大量的内存,成本很高;mem & disk:内存用完后,会自动向磁盘迁移,解决了内存不足的问题,却带来了数据的置换的消费。Spark常见的调优工具有nman、Jmeter和Jprofile,以下是Spark调优的一个实例分析: 1、场景:精确客户群 对一个容量为300g的客...
分类:其他好文   时间:2014-08-09 23:19:39    阅读次数:301
sigslot,一个开源的c++signal slot库
sigslot is a head only signal slot lib,written by Sarah Thompson.原始仓库是http://sourceforge.net/projects/sigslot/文档是http://sigslot.sourceforge.net/sigslo...
分类:编程语言   时间:2014-08-09 23:09:59    阅读次数:500
hdu2852--KiKi's K-Number(线段树,求第k个数)
KiKi's K-Number Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2546    Accepted Submission(s): 1174 Problem Description For the k-th...
分类:其他好文   时间:2014-08-09 21:34:59    阅读次数:264
MATLAB学习(3)
matlab读取图像并转化为灰度图像image = imread('C:\Users\Administrator\Desktop\图像降噪\src\original image\100.png');image = rgb2gray(image);image = imread('C:\Users\Ad...
分类:其他好文   时间:2014-08-09 21:13:59    阅读次数:251
Java 进度条
publicclassjprogess3sextendsJFrame {publicstatic JPanelcontentPane;privatestaticJProgressBarprogressBar;publicstaticJLabelpicture;publicjprogess3s()th...
分类:编程语言   时间:2014-08-09 18:24:38    阅读次数:212
BNUOJ 7178 病毒侵袭持续中
病毒侵袭持续中Time Limit: 1000msMemory Limit: 32768KBThis problem will be judged onHDU. Original ID:306564-bit integer IO format:%I64d Java class name:Main小t...
分类:其他好文   时间:2014-08-09 15:52:38    阅读次数:254
LeetCode——Distinct Subsequences
Given a string S and a string T, count the number of distinct subsequences of T in S. A subsequence of a string is a new string which is formed from the original string by deleting some (can be non...
分类:其他好文   时间:2014-08-09 13:30:47    阅读次数:211
xtu summer individual 6 F - Water Tree
Water TreeTime Limit: 4000msMemory Limit: 262144KBThis problem will be judged onCodeForces. Original ID:343D64-bit integer IO format:%I64d Java class ...
分类:其他好文   时间:2014-08-09 13:10:37    阅读次数:362
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