最近升级cdh版本，从4.5 升级到 5.0.0 beta-2
但是升级后，发现/etc/alternatives 路径下的软链接还是只想旧的4.5 版本，而且hadoop环境也是沿用4.5
的版本conf，导致hive不能正常使用，报错为hdfs 的版本不对。 后面使用strace工具查看，发现它...
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其他好文 时间：
2014-06-07 02:44:21
阅读次数：
248
Screen.h#ifndef SCREEN_H#define SCREEN_H#include
class Screen {public: typedef std::string::size_type pos; // Action is a type
that can point to...
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其他好文 时间：
2014-06-04 20:59:09
阅读次数：
350
Given an array of non-negative integers, you
are initially positioned at the first index of the array.Each element in the
array represents your maximu...
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其他好文 时间：
2014-06-04 20:58:25
阅读次数：
296
Given a 2D board and a word, find if the word
exists in the grid.The word can be constructed from letters of sequentially
adjacent cell, where "adjace...
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其他好文 时间：
2014-06-04 20:56:34
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343
Given an array of non-negative integers, you
are initially positioned at the first index of the array.Each element in the
array represents your maximu...
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其他好文 时间：
2014-06-04 20:44:19
阅读次数：
216
You are given annxn2D matrix representing an
image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this
in-place?classSolution{publi...
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其他好文 时间：
2014-06-04 20:25:09
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227
The sound of a mosquito can mean trouble in many
parts of the world.The bite of a mosquito can be deadly.Today, we will hear
about some of the disease...
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其他好文 时间：
2014-05-29 18:03:42
阅读次数：
246
Hiding the C# application to the system tray is
quiet straight forward. With a few line of codes in C# and you can accomplish
this. First you will nee...
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移动开发 时间：
2014-05-29 17:59:38
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311
Please follow the steps precisely in order to
complete the objectives of the assignment. If you use the C++ FreeRTOS
framework, it should make the ass...
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移动开发 时间：
2014-05-29 16:53:33
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483
http://ubuntuforums.org/archive/index.php/t-1771058.htmlI
accidentally discovered a fix for this while trying to solve a different
problem.edit~/.conf...
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其他好文 时间：
2014-05-29 15:00:26
阅读次数：
623
