To deal cards, we would like a method that removes a card from the deck and returns it. The list method pop provides a convenient way to do that. Sinc...
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其他好文 时间:
2014-10-06 19:13:50
阅读次数:
201
--CHECKalter table students --修改的表名称add constraint check_stu --定义约束名check(StuNum like '2012[0-9][0-9][0-9][0-9]') --定义详细的约束
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数据库 时间:
2014-10-06 02:52:09
阅读次数:
181
select * from Students where EnglishName like '[c-r]%'--查询EnglishName字段以'c'-'r'之间的字母开头的记录select * from Students where EnglishName like '[cr]%'--查询Engl...
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数据库 时间:
2014-10-05 15:15:08
阅读次数:
493
题目:Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telep...
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其他好文 时间:
2014-10-05 15:11:48
阅读次数:
206
--'_'匹配单个字符--'%'匹配多个字符SELECT * FROM Students WHERE Name LIKE '张%' --查询以'张'开头的记录SELECT * FROM Students WHERE Name LIKE '%张' --查询以'张'结尾的记录SELECT * FROM ...
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数据库 时间:
2014-10-05 13:49:28
阅读次数:
180
一、快照机制snapshots简单在hbase上做个表做测试:hbase(main):044:0>scan‘student‘ROWCOLUMN+CELLnum1column=shuxing:name,timestamp=1412189531346,value=jaybingnum2column=shuxing:name,timestamp=1412189623682,value=jaychounum3column=shuxing:like,timestamp=14121..
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其他好文 时间:
2014-10-05 11:43:28
阅读次数:
293
jQueryDesktopGrid
jQuery desktop, jQuery desktop grid, jQuery mac os x, jQuery system. to make an beautiful desktop like os system to enhance user experience. clone the project, then just run the i...
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Web程序 时间:
2014-10-05 03:49:17
阅读次数:
231
ObjectsObject Usage and PropertiesEverything in JavaScript acts like an object, with the only two exceptions beingnullandundefined.false.toString(); /...
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编程语言 时间:
2014-10-05 03:41:27
阅读次数:
266
TinyCC http://bellard.org/tcc linux 平台”C-script”: 哈哈#!/usr/local/bin/tcc -run#include #include double fac(double n){ if (n \n", argv[0]); return -...
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其他好文 时间:
2014-10-04 16:03:16
阅读次数:
182
Divides one thing entire to many objects;Like perspectives, which rightly gazed uponShow nothing but confusion. . .—William Shakespeare, The Tragedy o...
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编程语言 时间:
2014-10-04 14:19:56
阅读次数:
275