大约有 40,000 项符合查询结果（耗时：0.0580秒） [XML]
Use variable with TOP in select statement in SQL Server without making it dynamic [duplicate]
...
SQL Server 2005 actually allows us to parameterize the TOP clause, using a variable, expression or statement. So you can do things like:
SELECT TOP (@foo) a FROM table ORDER BY a
SELECT TOP (SELECT COUNT(*) FROM somewhere else) a FROM table ...
Oracle find a constraint
I have a constraint called users.SYS_C00381400 . How do I find what that constraint is? Is there a way to query all constraints?
...
Keeping it simple and how to do multiple CTE in a query
...S
(
SELECT 2 AS id
)
SELECT *
FROM cte1
UNION ALL
SELECT *
FROM cte2
UNION ALL
SELECT *
FROM cte1
Note, however, that SQL Server may reevaluate the CTE each time it is accessed, so if you are using values like RAND(), NEWID() etc., they may change between the C...
How do I set a JLabel's background color?
...an see the word "Test" and it's blue, but the background doesn't change at all. How can I get it to show?
4 Answers
...
JavaScript .replace only replaces first Match [duplicate]
...replace only the first match, the /g modifier (global) tells it to replace all occurrences.
share
|
improve this answer
|
follow
|
...
How do I remove a single breakpoint with GDB?
...
You can list breakpoints with:
info break
This will list all breakpoints. Then a breakpoint can be deleted by its corresponding number:
del 3
For example:
(gdb) info b
Num Type Disp Enb Address What
3 breakpoint keep y 0x004018c3 in timeCorrect a...
opposite of .gitignore file? [duplicate]
Is it possible to let git ignore all files by default, unless specified in a special file?
2 Answers
...
List of Java processes
How can I list all Java processes in bash?
I need an command line. I know there is command ps but I don't know what parameters I need to use.
...
Rails Admin vs. ActiveAdmin [closed]
...
I vote for rails_admin. I like its looks and the fact that out of the box all the models are available for administration. The history feature is quite useful too.
Any project with Yehuda Katz as a mentor should be a safe bet.
...
Remove multiple spaces and new lines inside of String
...
Just be aware: squeeze will compress ALL strings that come in runs of multiple characters. So "Squeeze my application's copy".squeeze => "Squeze my aplication's copy"
– charliepark
Sep 27 '13 at 20:49
...