创建表:
hive> CREATE TABLE pokes (foo INT, bar STRING);
Creates a table called pokes with two columns, the first being an integer and the other a string
创建一个新表,结构与其他一样
hive> create table n...
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其他好文 时间:
2015-02-09 20:18:08
阅读次数:
157
http://acm.hdu.edu.cn/showproblem.php?pid=4374
Problem Description
Now there is a game called the new man down 100th floor. The rules of this game is:
1. At first you are at the 1st floor....
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其他好文 时间:
2015-02-09 12:52:39
阅读次数:
176
Python automatically compiles your script to compiled code, so called byte code, before running it.When a module is imported for the first time, or wh...
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其他好文 时间:
2015-02-09 12:46:38
阅读次数:
131
uva 10123 No Tipping
As Archimedes famously observed, if you put an object on a lever arm, it will exert a twisting force around the lever's fulcrum. This twisting is called torque and is equal t...
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其他好文 时间:
2015-02-08 16:57:24
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260
Bob is very interested in the data structure of a tree. A tree is a directed graph in which a special node is singled out, called the "root" of the tree, and there is a unique path from the root to each of the other nodes.
Bob intends to color all the no...
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其他好文 时间:
2015-02-06 21:55:57
阅读次数:
221
最近,在维护以前老系统的时候,发现了这样一个错误:Object synchronization method was called from an unsynchronized block of code.由于是老系统,代码是Framework 1.0的版本,距离现在都快10年了。很多以前的DLL源...
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其他好文 时间:
2015-02-06 21:45:36
阅读次数:
199
函数可以设定参数,也可以留空不进行设定。1.当php函数设定形参,但是引用时实参不给,情况如下: 1 2 3 4 5 php函数测试 6 7 8 9 23 24 结果为: 1 Warning: Missing argument 1 for asd(), called in F:\p...
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Web程序 时间:
2015-02-06 18:26:41
阅读次数:
234
函数可以设定参数,也可以留空不进行设定。1.当php函数设定形参,但是引用时实参不给,情况如下: 1 2 3 4 5 php函数测试 6 7 8 9 23 24 结果为: 1 Warning: Missing argument 1 for asd(), called in F:\p...
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Web程序 时间:
2015-02-06 18:13:17
阅读次数:
213
Problem Description
There is a large room in the Pyramid called Room-of-No-Return. Its floor is covered by rectangular tiles of equal size. The name of the room was chosen because of the very high ...
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其他好文 时间:
2015-02-06 09:36:59
阅读次数:
185
1、java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
在Android中不允许Activity里新启动的线程访问该Activity里的UI组件,这样会导致新启动的线程无法改变UI组件的属性值。
出现java.lang.RuntimeExcepti...
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移动开发 时间:
2015-02-05 15:04:44
阅读次数:
145