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每天努力一点之SQL(二) count sum case when then group by
1.select sum(CASE WHEN A.[STATUS]=0 THEN 1 ELSE 0 end) as a1,sum(CASE A.[STATUS] WHEN 1 THEN 1 ELSE 0 end) as a2,sum(CASE A.[STATUS] WHEN 2 THEN 1 ELS...
分类:数据库   时间:2014-06-04 21:10:46    阅读次数:513
Climbing Stairs
You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb...
分类:其他好文   时间:2014-06-04 19:53:34    阅读次数:173
Anagrams
Given an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.classSolution{public:vectoranagrams(v...
分类:其他好文   时间:2014-06-04 19:29:39    阅读次数:247
SQL总结(一)基本查询
本文希望通过简单的总结,把常用的查询方法予以总结,希望能够明确在心主要涵盖:模糊查询、排序、分组、集合函数、TOP、Case包括:Between、In、Like、And、Or、Order by包括:Group by、Distinct、MAX\MIN、Avg、Count、Sum、Having、Top、...
分类:数据库   时间:2014-05-29 23:13:46    阅读次数:456
The meaning of the standard read group fields
用GATK call snp 的同学都会为繁琐的数据前期处理而苦恼,甚至放弃GATK 而用别的工具,对于bam文件,read group信息是必不可少的,别的软件也许只需要一个sample name, 而在GATK中 除了SM(sample)是必须的之外,还需要read group ID, plat...
分类:其他好文   时间:2014-05-29 23:04:38    阅读次数:409
Traveling
题目描述SH likes traveling around the world. When he arrives at a city, he will ask the staff about the number of cities that connected with this city dir...
分类:其他好文   时间:2014-05-29 21:47:24    阅读次数:381
Weka数据挖掘平台
Explorer:menu selection and form filling缺点:when you open a dataset, it immediately loads it all in. This means that the Explorer can only be applied t...
分类:其他好文   时间:2014-05-29 21:03:09    阅读次数:385
页面中公用的全选按钮,单选按钮组件的编写
相应的js代码为: var checkAll = $("[data-checkbox-checkall]"); //遍历处理每一组的情况 checkAll.each(function(){ var groupName = $(this).attr("data-checkbox-group");...
分类:其他好文   时间:2014-05-29 19:29:19    阅读次数:451
C# Adding Hyperlink to Windows Form z
When creating a Windows form in C#, we would like to create a hyperlink so that when the user click on the link it would open up a web browser and dis...
分类:Windows程序   时间:2014-05-29 18:11:58    阅读次数:413
How to enable DateTimePicker to use both date and time z
Recently in one of my project I needed to have an option to display the DateTimePicker allowing user to pick both the date and the time. When I drag t...
分类:其他好文   时间:2014-05-29 17:46:20    阅读次数:239
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