大约有 24,976 项符合查询结果（耗时：0.0406秒） [XML]
Rails 3 check if attribute changed
Need to check if a block of attributes has changed before update in Rails 3.
5 Answers
...
@UniqueConstraint and @Column(unique = true) in hibernate annotation
What is difference between @UniqueConstraint and @Column(unique = true) ?
4 Answers
...
How to use JavaScript variables in jQuery selectors?
How do I use JavaScript variables as a parameter in a jQuery selector?
6 Answers
6
...
Jquery selector input[type=text]')
I wrote a code that basically selects all input type=text element like this:
4 Answers
...
What is the “__v” field in Mongoose
I'm using Mongoose version 3 with MongoDB version 2.2. I've noticed a __v field has started appearing in my MongoDB documents. Is it something to do with versioning? How is it used?
...
How to prevent http file caching in Apache httpd (MAMP)
I am developing a single page Javascript application in MAMP. My JavaScript and HTML template files are getting cached between requests.
...
How can I get sin, cos, and tan to use degrees instead of radians?
When I'm working with math in JS I would like its trig functions to use degree values instead of radian values. How would I do that?
...
Normalization in DOM parsing with java - how does it work?
I saw the line below in code for a DOM parser at this tutorial .
3 Answers
3
...
Returning first x items from array
I want to return first 5 items from array. How can I do this?
5 Answers
5
...