大约有 47,000 项符合查询结果（耗时：0.0599秒） [XML]
How can I use optional parameters in a T-SQL stored procedure?
...hich are optional. Is there a way to create a stored procedure that will handle this? Let's say I have a table with four fields: ID, FirstName, LastName and Title. I could do something like this:
...
Rails ActiveRecord date between
I need to query comments made in one day. The field is part of the standard timestamps, is created_at . The selected date is coming from a date_select .
...
Ruby: What is the easiest way to remove the first element from an array?
...
Note this mutates the array and returns nil on an empty array. See drop for an alternative, as mentioned in the other answer.
– Jay
Oct 15 '15 at 21:37
...
Get top n records for each group of grouped results
...have more than two groups, then you would need to specify the group number and add queries for each group:
(
select *
from mytable
where `group` = 1
order by age desc
LIMIT 2
)
UNION ALL
(
select *
from mytable
where `group` = 2
order by age desc
LIMIT 2
)
There are a variet...
jQuery Validate - Enable validation for hidden fields
...ion of hidden fields ignored . I'm using CKEditor for textarea input field and it hides the field and replace it with iframe. The field is there, but validation disabled for hidden fields. With validation plugin version 1.8.1 everything works as expected.
...
Can I find out the return value before returning while debugging in Intellij?
...oint on Object method(){ . This will allow you to watch for the entrance and exit of the method. I believe you have to use this in conjunction with "Watch method return values" like stated above, but I haven't been able to completely test this as it takes too long to compute. Beware, this does dr...
How can I determine what font a browser is actually using to render some text?
...ecause it was from 4 years ago. The fact that old answers linger like this and the community cannot update them is one of the few remaining failures of Stack Overflow.
share
|
improve this answer
...
Difference between WebStorm and PHPStorm
I'm choosing an IDE for web development and I would like to know what the differences between WebStorm and PHPStorm are.
6 ...
How do I empty an array in JavaScript?
Is there a way to empty an array and if so possibly with .remove() ?
18 Answers
18
...
Change branch base
... demo PRO
Basically, you take all the commits from after demo up to PRO, and rebase them onto the master commit.
share
|
improve this answer
|
follow
|
...