大约有 45,000 项符合查询结果(耗时:0.0832秒) [XML]
Is it possible to Pivot data using LINQ?
I am wondering if it is possible to use LINQ to pivot data from the following layout:
6 Answers
...
SCOPE_IDENTITY() for GUIDs?
Can anyone tell me if there is an equivalent of SCOPE_IDENTITY() when using GUIDs as a primary key in SQL Server?
5 Answe...
MySQL select 10 random rows from 600K rows fast
...
A great post handling several cases, from simple, to gaps, to non-uniform with gaps.
http://jan.kneschke.de/projects/mysql/order-by-rand/
For most general case, here is how you do it:
SELECT name
FROM random AS r1 JOIN
(SELECT CEIL(RAND() *
(SELECT MAX(id)
...
How to set the part of the text view is clickable
.... In this text i want to set the " stack " text is clickable. in the sense if you click on that it will redirected to a new activity(not in the browser).
...
Split string using a newline delimiter with Python
...e convenient part about str.splitlines is that it will remove the final \n if its present. I.e, 'foo\nbar\n'.split() == ['foo', 'bar', ''] while str.splitlines('foo\nbar\n') == ['foo', 'bar']
– Matthew Moisen
Feb 15 '17 at 22:25
...
In a .csproj file, what is for?
...
The MSDN article on the build action property explains the differences.
None - The file is not included in the project output group and is not compiled in the build process. An example is a text file that contains documentation, such as a Readme file.
Content - The file is not compil...
Are there any cases when it's preferable to use a plain old Thread object instead of one of the newe
... the higher-level constructs does not meet your needs.
My advice is that if you find yourself in a situation where existing higher-abstraction tools do not meet your needs, and you wish to implement a solution using threads, then you should identify the missing abstraction that you really need, an...
phpinfo() - is there an easy way for seeing it?
...e command line interface (CLI) and the other for the web server interface. If you want to see phpinfo output for your web server make sure you specify the ini file path, for example...
php -c /etc/php/apache2/php.ini -i
s...
bower automatically update bower.json
...
if you don't use the save flag, it'll just download the package you choose and put it under the bower packages folder, it's a good way of testing a package before setting it into stone.
– gru
...
Insert a line at specific line number with sed or awk
I have a script file which I need to modify with another script to insert a text at the 8th line.
9 Answers
...
