大约有 43,000 项符合查询结果（耗时：0.0827秒） [XML]
SQL Server : Columns to Rows
...
indicatorvalue
for indicatorname in (Indicator1, Indicator2, Indicator3)
) unpiv;
Note, the datatypes of the columns you are unpivoting must be the same so you might have to convert the datatypes prior to applying the unpivot.
You could also use CROSS APPLY with UNION ALL to convert the col...
20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ive si so bi bo in cs us sy id wa st
1 0 0 810420 97380 70628 0 0 115 4 89 79 1 6 90 3 0
3. lsof — 打开文件列表
lsof 命令对于很多 Linux/Unix 系统都可以使用，主要以列表的形式显示打开的文件和进程。
打开的文件...
How to find a hash key containing a matching value
...
answered Sep 25 '10 at 13:43
Daniel VandersluisDaniel Vandersluis
79.6k1717 gold badges153153 silver badges149149 bronze badges
...
Disable Maven warning message - “Selected war files include a WEB-INF/web.xml which will be ignored”
...
3 Answers
3
Active
...
what is “strict mode” and how is it used?
...rict"; at the top of your code, before anything else.
For example, blah = 33; is valid JavaScript. It means you create a completely global variable blah.
But in strict mode its an error because you did not use the keyword "var" to declare the variable.
Most of the time you don't mean to create gl...
Output array to CSV in Ruby
...
330
To a file:
require 'csv'
CSV.open("myfile.csv", "w") do |csv|
csv << ["row", "of", "C...
JUnit confusion: use 'extends TestCase' or '@Test'?
...her easy:
extending TestCase is the way unit tests were written in JUnit 3 (of course it's still supported in JUnit 4)
using the @Test annotation is the way introduced by JUnit 4
Generally you should choose the annotation path, unless compatibility with JUnit 3 (and/or a Java version earlier tha...
How to inject dependencies into a self-instantiated object in Spring?
...
skaffmanskaffman
374k9292 gold badges779779 silver badges744744 bronze badges
...
How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?
I have an old ASP.NET MVC 2 project which I do not want to upgrade to MVC 3 or MVC 4. I am working on a new machine running Windows 8, Visual Studio 2012 and Visual Studio 2013. When I try to open the MVC 2 project in VS 2012 or VS 2013 I receive the error:
...