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A user-facing bug causes search results to be unavailable for your service. Someone suggests adding a prober to monitor the service and, if search results are unavailable, notify the team via bug report. Google has plenty of prober options available;…

Copied From:https://computing.llnl.gov/tutorials/parallel_comp/ Author: Blaise Barney, Lawrence Livermore National Laboratory UCRL-MI-133316 Table of Contents Abstract Overview What is Parallel Computing? Why Use Parallel Computing? Who is Using Para…

[Confident girls are often called the other B-word, and it can keep them from reaching their full potential, write Sheryl Sandberg and Anna Maria Chavez.] Sheryl: When my brother and sister describe our childhood, they will say that I never actually…

背景 又是一个周末一天一天的过的好快,今天的任务干啥呢,索引总结一些mr吧,因为前两天有面试问过我?我当时也是简单说了一下,毕竟现在写mr程序的应该很少很少了,废话不说了,结合官网和自己理解写起. 官网 https://hadoop.apache.org/docs/r3.3.0/hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapReduceTutorial.html 简单分析 一个mr作业通常数据会被切割成多个数据块通过map任务来并…

SQL> select TS# from v$tablespace where name='ABC' ; TS# ---------- 6 set serverout on set verify off set lines 200 set pages 2000 DECLARE v_ts_id number; not_in_awr EXCEPTION; v_ts_name varchar2(200) := UPPER('&Tablespace_Name'); v_ts_block_size n…

启动vmware时出现以下错误: Cannot open the disk 'D:\Program Files\VMOS\Centos.vmdk' or one of the snapshot disks it depends on. 原因:   出现这种情况一般是由于上次在关机的出现了异常,比方说非正常关机,强关机等情况,从而导致产生了一些lck为后辍名的文件,那么解决方法就是删除这些lck文件即可. 解决方法 ,D:\Program Files\VMOS\ 目录,删除所有的lck文件即可.…

FP - growth是一种比Apriori更高效的发现频繁项集的方法.FP是frequent pattern的简称,即常在一块儿出现的元素项的集合的模型.通过将数据集存储在一个特定的FP树上,然后发现频繁项集或者频繁项对.通常,FP-growth算法的性能比Apriori好两个数量级以上. FP树与一般的树结构类似,但它通过链接(Link)来连接相似元素,被连起来的元素项可以看成一个链表. 上图是一棵FP树,一个元素项可以在一棵FP树种出现多次,FP树的节点会存储项集的出现频率,每个项集会以路…

InstallShield 打包工具 1. 转载:http://blog.csdn.net/zhang_xinxiu/article/details/9099757 2. 转载:http://www.cnblogs.com/javawebsoa/archive/2013/04/05/3001632.html depends.exe http://bbs.csdn.net/topics/390858444…

我写了个http下载函数,下载txt.jpg都正常,就是下载php有问题:valgrind会报错Conditional jump or move depends on uninitialised value(s),   函数定义: char* httpdown(char *domain, int port, char *uri, int *length) :   调用: strcpy(uri, "/net.php"); rtn = httpdown("192.168.1.24…