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Spark Streaming原理简析
执行流程数据的接收StreamingContext实例化的时候,需要传入一个SparkContext,然后指定要连接的spark matser url,即连接一个spark engine,用于获得executor。实例化之后,首先,要指定一个接收数据的方式,如val lines = ssc.socketTextStream("localhost", 9999)这样从socket接收文本数据。这个步骤...
分类:其他好文   时间:2015-03-19 16:25:47    阅读次数:155
poj 3390 Print Words in Lines 动态规划
动态规划原理附题详解。...
分类:其他好文   时间:2015-03-19 01:00:10    阅读次数:118
leetcode题解||Container With Most Water问题
problem: Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai) and (i, 0)...
分类:其他好文   时间:2015-03-18 15:53:14    阅读次数:110
openfire invalid sid 404
strophe + nginx + openfire got 504 (Gateway Time-out) then 404 (Invalid SID.)modify nginx.conf , add 3 red lines belowlocation /http-bind/ { pr...
分类:其他好文   时间:2015-03-17 19:45:11    阅读次数:330
Container with most water
Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoints of ...
分类:其他好文   时间:2015-03-17 14:00:52    阅读次数:108
UVA 10655 Contemplation! Algebra
Given the value ofa+bandabyou will have to find the value ofan+bnInputThe input file contains several lines of inputs. Each line except the last line ...
分类:其他好文   时间:2015-03-14 12:19:02    阅读次数:145
erlang 查看进程状态,查看当前系统那些进程比较占资源
http://lfstar.blog.163.com/blog/static/56378987201341115037437/查看哪些进程占用内存最高? > spawn(fun() -> etop:start([{output, text}, {interval, 1}, {lines, 20}, ...
分类:系统相关   时间:2015-03-12 22:05:32    阅读次数:2806
poj1269(直线交点)
传送门:Intersecting Lines题意:给出N组直线,每组2条直线,求出直线是否相交。如果共线则输出LINE,相交则输入点坐标,否则输出NONE.分析:模板裸题,直接上模板。。。#include #include #include #include #include #include #i...
分类:其他好文   时间:2015-03-12 20:37:43    阅读次数:119
thinkphp日志分割成每个请求一个文件
#!/usr/bin#coding:utf-8import os, re, errnols = os.popen('ls *.log').readlines()dirs = []lines = []for line in ls: if line.strip(): dirs.append(re....
分类:Web程序   时间:2015-03-10 15:27:20    阅读次数:281
LeetCode-11 Container With Most Water
Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoints of ...
分类:其他好文   时间:2015-03-09 22:09:40    阅读次数:229
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