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Spark源码系列(八)Spark Streaming实例分析
这一章要讲Spark Streaming,讲之前首先回顾下它的用法,具体用法请参照《Spark Streaming编程指南》。Example代码分析val ssc = new StreamingContext(sparkConf, Seconds(1));// 获得一个DStream负责连接 监听端...
分类:其他好文   时间:2014-07-22 08:01:34    阅读次数:351
UVA - 11478 Halum (最短路应用+二分)
Description   Problem H Halum Time Limit : 3 seconds     You are given a directed graph G(V,E) with a set of vertices and edges. Each edge (i,j) that connects some ...
分类:其他好文   时间:2014-07-22 00:08:34    阅读次数:307
Units are seconds since 1970.
在Android实际开发过程中经常会碰到以秒为单位的日期,这时可以根据需要将他们进行格式化处理,具体步骤如下:...
分类:其他好文   时间:2014-07-20 10:25:16    阅读次数:146
MySQL slave状态之Seconds_Behind_Master
在MySQL的主从环境中,我们能够通过在slave上运行show slave status来查看slave的一些状态信息,当中有一个比較重要的參数Seconds_Behind_Master。那么你是否明确它的真正含义以及它是怎么计算的呢? 在之前我一直误以为Seconds_Behind...
分类:数据库   时间:2014-07-19 16:18:00    阅读次数:283
ZOJ 1005 Jugs
JugsTime Limit: 2 Seconds Memory Limit: 65536 KB Special JudgeIn the movie "Die Hard 3", Bruce Willis and Samuel L. Jackson were confronted with t...
分类:其他好文   时间:2014-07-19 12:12:58    阅读次数:239
[zoj 3774]Power of Fibonacci 数论(二次剩余 拓展欧几里得 等比数列求和)
Power of Fibonacci Time Limit: 5 Seconds      Memory Limit: 65536 KB In mathematics, Fibonacci numbers or Fibonacci series or Fibonacci sequence are the numbers of the following integer sequence...
分类:其他好文   时间:2014-07-19 11:48:45    阅读次数:239
UVA - 12130 Summits
Description Problem G - Summits Time limit: 8 seconds You recently started working for the largest map drawing company in theNetherlands. Part of your job is to determine what the summits in apar...
分类:其他好文   时间:2014-07-19 08:13:31    阅读次数:288
UVA 10196 Morning Walk
Problem H Morning Walk Time Limit 3 Seconds Kamalis a Motashotaguy. He has got a new job in Chittagong. So, he has moved to Chittagong fromDinajpur. He was getting fatter i...
分类:其他好文   时间:2014-07-18 17:01:16    阅读次数:219
UVA 10168 Summation of Four Primes(数论)
Summation of Four Primes Input: standard input Output: standard output Time Limit: 4 seconds Euler proved in one of his classic theorems that prime numbers are infinite in number. But can every nu...
分类:其他好文   时间:2014-07-17 21:05:16    阅读次数:299
zoj 1037 Gridland (简单)
GridlandTime Limit:2 Seconds Memory Limit:65536 KBBackgroundFor years, computer scientists have been trying to find efficient solutions to different c...
分类:其他好文   时间:2014-07-17 18:12:39    阅读次数:247
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