大约有 19,000 项符合查询结果(耗时:0.0351秒) [XML]
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
...
No REAL easy way to do this. Lots of ideas out there, though.
Best one I've found:
SELECT table_name, LEFT(column_names , LEN(column_names )-1) AS column_names
FROM information_schema.columns AS extern
CROSS APPLY
(
SELECT column_name + ','
FROM inform...
A python class that acts like dict
...-in functions, like dict.get() as self.get().
You do not need to wrap a hidden self._dict. Your class already is a dict.
share
|
improve this answer
|
follow
...
jQuery: how to get which button was clicked upon form submission?
...ttons in case the form submit is handled in an ajax way and you want to avoid getting previsouly clicked button again.
– Chandu
Apr 19 '11 at 19:45
...
Kill a Process by Looking up the Port being used by it from a .BAT
...ms= " %%P IN ('netstat -a -n -o ^| findstr :8080') DO @ECHO TaskKill.exe /PID %%P
When you're confident in your batch file, remove @ECHO.
FOR /F "tokens=4 delims= " %%P IN ('netstat -a -n -o ^| findstr :8080') DO TaskKill.exe /PID %%P
Note that you might need to change this slightly for differe...
How to uncheck a radio button?
... (jQuery)
$(this).prop('checked', false);
// Note that the pre-jQuery 1.6 idiom was
// $(this).attr('checked', false);
See jQuery prop() help page for an explanation on the difference between attr() and prop() and why prop() is now preferable.
prop() was introduced with jQuery 1.6 in May 2011.
...
Add primary key to existing table
...RAINT <constraint_name>
alter table Persion add primary key (persionId,Pname,PMID)
edit:
you can find the constraint name by using the query below:
select OBJECT_NAME(OBJECT_ID) AS NameofConstraint
FROM sys.objects
where OBJECT_NAME(parent_object_id)='Persion'
and type_desc LIKE '%CONSTRA...
“cannot resolve symbol R” in Android Studio
In every instance in all of my classes where I reference R.id.something , the R is in red and it says "cannot resolve symbol R". Also every time there is R.layout.something it is underlined in red and says "cannot resolve method setContentView(?)". The project always builds fine. It is annoyin...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...高亮(只适用与report风格的listctrl)
dwStyle |= LVS_EX_GRIDLINES;//网格线(只适用与report风格的listctrl)
dwStyle |= LVS_EX_CHECKBOXES;//item前生成checkbox控件
m_list.SetExtendedStyle(dwStyle); //设置扩展风格
注:listview的style请查...
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
...ngs in config file
<system.web>
<httpRuntime requestPathInvalidCharacters="" requestValidationMode="2.0" />
<pages validateRequest="false" />
</system.web>
I would avoid using characters like '&' in URL path replacing them with underscores.
...
How do I hide an element when printing a web page?
...t's given in this answer, it will not work. Believe me I've tried. So how did this get 69 upvotes?
– Codeguy007
Nov 16 '12 at 21:39
...