大约有 13,071 项符合查询结果（耗时：0.0248秒） [XML]
INSERT … ON DUPLICATE KEY (do nothing)
I have a table with a unique key for two columns:
3 Answers
3
...
How to turn off word wrapping in HTML?
I feel silly for not being able to figure this out, but how do I turn off wordwrap? the css word-wrap property can be forced on with break-word , but cannot be forced off (only can be left alone with normal value).
...
Gesture recognizer and button actions
...
In the "shouldReceiveTouch" method you should add a condition that will return NO if the touch is in the button.
This is from apple SimpleGestureRecognizers example.
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer...
Backwards migration with Django South
Ok, so this seems like a really silly thing to ask, and I'm sure I'm missing something somewhere.
3 Answers
...
SQL Server - When to use Clustered vs non-Clustered Index?
I know primary differences between clustered and non clustered indexes and have an understanding of how they actually work. I understand how clustered and non-clustered indexes improve read performance. But one thing I am not sure is that what would be the reasons where I would choose one over the o...
How do I create a SHA1 hash in ruby?
SHA Hash functions
4 Answers
4
...
Remove file from SVN repository without deleting local copy
How can I "delete" a file which is already in the SVN repository without deleting it from my file system?
5 Answers
...
Which regular expression operator means 'Don't' match this character?
...match this character. Which character means 'don't' match this? Examples would help.
4 Answers
...
Why does “,,,” == Array(4) in Javascript?
Boot up your interpreter/console and try the comparison
6 Answers
6
...
Add hover text without javascript like we hover on a user's reputation
In stackoverflow, when we hover on a user's reputation we see a text. I have seen this at many places and the source code tells me that it can be done without js. And i tried and got only this-
...