语法说明：方式一：CASE value WHEN [compare_value] THEN result [WHEN [compare_value] THEN result ...] [ELSE result] END方式二：CASE WHEN [condition] THEN result [WH...
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数据库 时间：
2014-11-09 23:27:26
阅读次数：
245
Problem DescriptionAre you excited when you see the title "AC" ? If the answer is YES , AC it ;You must learn these two combination formulas in the sc...
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其他好文 时间：
2014-11-09 22:00:51
阅读次数：
155
insert first when deptno=10 then into dept01(id) values(deptno) when deptno=20 then into dept02(id) values(deptno) else into d...
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其他好文 时间：
2014-11-09 19:23:55
阅读次数：
139
Problem Description
Nowadays, people have many ways to save money on accommodation when they are on vacation.
One of these ways is exchanging houses with other people.
Here is a group of N people...
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其他好文 时间：
2014-11-09 16:44:34
阅读次数：
232
遇到的问题：mysqldump: Error 1194: Table 'user' is marked as crashed and should be repaired when dumping table `user` at row: 1161435登陆到数据库：mysql> select co...
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数据库 时间：
2014-11-09 08:37:40
阅读次数：
417
--select DataName ,
--case Code
--
-- when 'W01' then '男'
--
-- when 'W07' then '女'
--
-- else '其他'
--
-- end as Code
--from dbo.HistoryData
select DataName,
(
case
when Code='W01' ...
分类：
数据库 时间：
2014-11-08 10:32:04
阅读次数：
177
Q:I can run iPython, but when I try to initiate a notebook I get the following error:~ ipython notebook Traceback (most recent call...
分类：
编程语言 时间：
2014-11-08 02:01:09
阅读次数：
269
1.Notifications A notification is a message you can display to the user outside of your application's normal UI. When you tell the system to issue a ....
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其他好文 时间：
2014-11-07 18:59:57
阅读次数：
206
1. 禁止右键点击12345$(document).ready(function(){$(document).bind("contextmenu",function(e){return false;});});2. 隐藏搜索文本框文字Hide when clicked in the search f...
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Web程序 时间：
2014-11-07 16:45:54
阅读次数：
299
public class JsonActivity extends Activity { /** Called when the activity is first created. */ private TextView tvJson; private Button btn...
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移动开发 时间：
2014-11-07 16:45:37
阅读次数：
166
